which scientists was the first to discover that plants gain their mass from water?
Answers
Answer:
Van Helmont
Explanation:
he was the first to discover it
Related Questions
The circulatory system is like a one-way traffic system. Describe two different routes by which blood in the left side of the heart can get to the right side of the heart.
Answers
Answer:
to the right ventricle and the right lung
Explanation:
hope this helps
Two different routes by which blood in the left side of the heart can get to the right side of the heart in circulatory system are the right ventricle and the right lung
what is circulatory system ?The circulatory system is involve in for delivering nutrients, oxygen, and hormones and removing waste from the body.
The major components are the heart, blood, and blood vessels.
The heart is a muscular organ present in the chest pumps blood continuously around the body through the network of blood vessels.
The heart ensures every cell of the body receives nutrients and oxygen through the blood.
Blood is a fluid connective tissue, the major types of cells are red blood cells, white blood cells or leukocytes, and platelets or thrombocytes.
The function of blood include transporting oxygen and nutrients, removing waste, protecting our immune system, and maintaining homeostasis.
Learn more about circulatory system, here:
brainly.com/question/10103458
#SPJ2
If each parent is brown-eyed with a recessive blue-eyed gene, what is the probability of having a brown-eyed child? A blue-eyed child?
Answers
a 25% If both of you have brown eyes, then there is generally a 25% chance that the baby will have blue eyes if both of you carry the recessive blue-eye gene. But if only one of you has a recessive blue-eye gene, and the other has two brown, dominant genes, then there is a less than 1% chance of the baby having blue eyes.
the somatic and autonomic reflex pathways both consist of three neurons. choose the three neurons that apply to the somatic reflex only.
Answers
The three neurons involved in the somatic reflex are the sensory neuron, motor neuron, and no specific interneuron.
The three neurons that apply to the somatic reflex only are:
Sensory Neuron (Afferent Neuron): This neuron carries sensory information from the sensory receptor (such as in the skin or muscles) to the central nervous system (CNS). In the case of somatic reflexes, the sensory neuron transmits information about external stimuli or changes in the environment to the CNS.Motor Neuron (Efferent Neuron): This neuron carries motor commands from the CNS to the effector organ or muscle. In somatic reflexes, the motor neuron directly innervates the skeletal muscles to produce a voluntary response.Interneuron (Association Neuron): In the context of the somatic reflex, there is no specific interneuron involved. Somatic reflexes typically follow a simple pathway where the sensory information is relayed directly from the sensory neuron to the motor neuron without the involvement of interneurons.In contrast, the autonomic reflex pathways involve additional interneurons and different types of motor neurons that regulate involuntary functions in the internal organs.
To know more about somatic reflex
brainly.com/question/32410261
#SPJ11
Complete the table. please answer for a helping star
Answers
A. Wind and rain are mode of transmission of Citrus canker.
B. Viruses are the causative agents of Yellow vein mosaic of okra.
C. Meningitis is a water-borne viral disease.
D. Bacteria are the causative agents of Typhoid.
Give a brief account on water-borne disease.A waterborne disease is a condition (that is, an adverse human health effect such as death, disability, illness, or disability): 47 Caused by pathogenic microorganisms that are transmitted in water. These diseases can be transmitted by bathing, washing, drinking water, or eating food that has been exposed to contaminated water. They are a pressing problem in rural areas of developing countries around the world. Diarrhea and vomiting are the most commonly reported symptoms of water-borne infections, but other symptoms may include skin, ear, respiratory, or eye problems. Inadequate supply of clean water, sanitation and hygiene (WASH) is a major cause of the prevalence of water-borne diseases in communities. Reliable access to safe drinking water and sanitation is therefore the most important way to prevent water-borne diseases.
To know more about pathogenic microorganisms, visit:
https://brainly.com/question/4297362
#SPJ1
Which substances compose the backbone of DNA?
sugars and lipids
phosphates and amino acids
sugars and phosphates
lipids and proteins
Answers
Answer:
Pentose Sugar and phosphate group compose the DNA's backbone.
Answer: C - sugars and phosphates
Explanation:
iM bIg BrAin
pleese help i need answers for this
Answers
Answer:
C - The same traits as the single parent.
Explanation:
Asexual reproduction is the production of offspring from one parent, and the DNA will always be identical to that one parent.
__________ is the hormone that triggers the production of sperm.
Answers
Answer: the testosterone is the answer for this answer and make sure to give the other kid the brainliest and have a good day. :) :)
Explanation:
Answer:
it’s testosterone
Explanation:
I took the same test
what is responsible for a kitten becoming a cat, mitosis or meiosis
Answers
The kitten period, which lasts from 0 to 6 months of age, is the youngest stage of a cat's existence, and mitosis is responsible.
How a kitten becoming a cat?Mitosis is responsible for the growth of the organism makes somatic cells for the body and is necessary for the organism's life span.
Meiosis, often known as this procedure, is a component of sexual reproduction in cats (and in humans, dogs etc).
Therefore, mitosis is responsible, for a kitten becoming a cat, which is the growing phase in a cat's life span.
Learn more about cats, here:
https://brainly.com/question/29776367
#SPJ1
Multiple Choice
A student observed bees flying between flowers on a squash vine. after researching this activity, the student learns that bees obtain nectar from the flowers. The pollen from the flowers sticks to the bees and is transported to another flower of the same species, resulting in pollination. The student decides this is an example of mutualism. Which table explains why this relationship is mutualism?
Answers
Answer:
The answer is D
Explanation:
Flowers and bees both benefit from pollination so D
Answer: that should be d
Explanation:
Which of the following is a characteristic of invasive species?
Answers
Answer:
They Take resources from native species
Explanation:
An invasive species doesnt grow slowly, they do the opposite they grow super fast becaus ethey are the best out of the others and completly own the place.
The can adapt or they aren't considered invasive, that's why they are so effective
They aren't endangered or else its not invasive, they are thriving because they have 0 competition.
Give brainliest pls
Because of their capacity for rapid growth and reproduction, or because their new environments are devoid of any native predators or pests, invasive species frequently thrive in their new ecosystems. Thus, option B is correct.
What is a characteristic of invasive species?An invasive species doesn't develop slowly; on the contrary, they accelerate their growth because they are superior to all other species and have taken over the area completely.
Because of this, invading species may pose a threat to native species and interfere with crucial ecosystem processes.
A species must be easily adaptable for it to be invasive. It needs to multiply swiftly. It must result in harm to local property, the local economy, or the local fauna and flora. Accidental introduction of invasive species into a new area is common.
They are so successful because they can adapt and aren't intrusive. Because they have no competition, they are thriving while not being threatened.
Therefore, They take resources from native species.
Learn more about invasive species here:
https://brainly.com/question/20022845
#SPJ2
NEED HELP WITH PART 1 AND 2 ASAP 15 POINTS
Answers
Photosynthesis is a two-stages process through which organic compounds are produced and oxygen is released by using light energy and inorganic compounds. Part 1: Photosynthesis. Part 2: Light energy was converted into chemical energy in the form of glucose.
What is photosynthesis?
Photosynthesis is a process plant cells go through when absorbing sunlight.
During photosynthesis, light energy and inorganic compounds are used to produce organic compounds -glucose- and release oxygen.
It occurs in chloroplasts and involves two stages: light-dependent and light-independent reactions.
During light-dependent reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions. It occurs in the thylakoid membrane in the electron transporter chain. The light-independent reaction occurs in the Calvin cycle in the stroma. During this stage, carbon from CO2 is fixated, and sugar molecules are synthesizedPhotosynthesis is complementary to cellular respiration.
According to this information, we can assume
Cellular process 1 is photosynthesisCellular process 2 is respirationPart 1: Photosynthesis
Part 2: Light energy was converted into chemical energy in the form of glucose
You can learn more about photosynthesis at
https://brainly.com/question/29764662
#SPJ1
Why do you need to prepare dilutions of the stock solution?
Answers
It is important to prepare dilutions of a stock solution for several reasons:
Accuracy: Dilutions allow for more accurate measurements of a solution. When dealing with very small amounts of a substance, it can be difficult to measure out the exact amount needed. By diluting a stock solution, you can more accurately measure the amount of substance you need.Safety: Some substances can be harmful or dangerous in their concentrated form. Diluting a stock solution can reduce the risk of harm and make it safer to handle.Convenience: Preparing dilutions of a stock solution allows you to create multiple concentrations of the same substance without having to measure out small amounts of the substance each time. This can save time and effort in the long run.Overall, preparing dilutions of a stock solutionis an important step in many scientific experiments and procedures, as it allows for more accurate, safe, and convenient handling of substances.
Here you can learn more about stock solution
https://brainly.com/question/28083950#
#SPJ11
State why it is important that the two potato cylinders were identical in shape and size
Answers
It is important that the two potato cylinders used in an experiment are identical in shape and size for several reasons: Control of Variables, Comparability, Reproducibility, Statistical Analysis.
1. Control of Variables: By ensuring that the potato cylinders have the same shape and size, you eliminate a potential source of variation in your experiment. This allows you to focus on the specific variable or factor you are investigating, without the confounding effects of differences in shape or size influencing your results.
2. Comparability: When conducting experiments, it is crucial to have a basis for comparison. Having identical potato cylinders ensures that any observed differences or effects can be attributed to the specific factors you are manipulating, such as different treatments or conditions. If the potato cylinders were of different shapes and sizes, it would be difficult to determine whether any differences in results were due to the treatments or simply the inherent variations in the potato samples.
3. Reproducibility: Reproducibility is a fundamental principle in scientific research. By using identical potato cylinders, you increase the likelihood that other researchers can replicate your experiment and obtain similar results. This enhances the credibility and reliability of your findings.
4. Accuracy and Precision: Precise measurements are essential in scientific experiments. Identical potato cylinders allow for more accurate and consistent measurements of variables such as length, diameter, and surface area. This improves the reliability of your data and the precision of your calculations.
5. Statistical Analysis: When analyzing the data collected from an experiment, statistical tests are often employed to determine the significance of observed differences. Having identical potato cylinders helps reduce variability and increases the statistical power of your analysis, making it easier to detect meaningful differences between groups or treatments.
Learn more about potato cylinders here: https://brainly.com/question/14790042
#SPJ11
how can a point mutation impact and organism
Answers
Answer:
it can be a hard like thing to get it from each
Studying the differences between fossils and modern
organisms helps scientists better understand the-
•evolution of organisms over time
•primary function of key macromolecules
•role of mutation in life functions
•adaptation of organisms through acquired traits
Answers
Studying the differences between fossils and modern organisms helps scientists better understand the evolution of organisms over time. By comparing the physical characteristics and genetic makeup of ancient organisms with those of their modern-day counterparts, scientists can track changes in the structure and function of various body parts and systems, as well as in the distribution and frequency of certain traits and features. This can shed light on how different species have adapted to changing environmental conditions over millions of years, and how natural selection has driven the emergence of new traits and behaviors.
In addition to evolution, the study of fossils and modern organisms can also provide insights into the primary function of key macromolecules. These include proteins, nucleic acids, lipids, and carbohydrates, which play crucial roles in everything from energy production to cellular communication and DNA replication. By analyzing the chemical composition and structural properties of fossils and living organisms, scientists can better understand how these macromolecules have evolved and diversified over time, and how they contribute to the functioning of different biological systems.
Furthermore, the study of fossils and modern organisms can also help scientists better understand the role of mutation in life's functions. Mutations are changes in the genetic code that can lead to new traits or alterations in existing ones. By examining the frequency and distribution of mutations in ancient and modern organisms, scientists can gain insights into how mutations have contributed to the evolution of different species, as well as how they impact the functioning of different biological systems and processes.
Finally, the study of fossils and modern organisms can also provide insights into the adaptation of organisms through acquired traits. Acquired traits are those that are not inherited genetically, but instead are acquired through an organism's interactions with its environment. By studying how different species have adapted to different environmental conditions over time, scientists can better understand how these acquired traits have contributed to the survival and success of different organisms, as well as how they interact with inherited traits to shape the evolution of different species.
Learn more about evolution:
https://brainly.com/question/21202780
#SPJ11
why do eukaryotic cells have multiple origins of replication?
Answers
Answer:
Because eukaryotic chromosomes are linear and much larger than prokaryotic ones
Explanation:
there are multiple origins of replication in the eukaryotic genome during replication.
what gives photosynthetic cyanobacteria their characteristic color? group of answer choices chlorophyll chlorophyll in chloroplasts photosynthetic plastids some other pigment
Answers
Photosynthetic cyanobacteria get their characteristic color from chlorophyll.
Chlorophyll is a type of photosynthetic pigment that gives them their green color located in the cytoplasm of bacteria. Chlorophyll gives photosynthetic cyanobacteria their characteristic color by absorbing blue and red light while reflecting green light, so they appear green.
Chlorophyll is an important pigment found in all photosynthetic organisms, including cyanobacteria which is a group of eubacteria, which absorb energy from light. Cyanobacteria use energy from light and chlorophyll to convert water and carbon dioxide into oxygen and energy-rich molecules in a process called photosynthesis.
Learn more about Chlorophyll at:
https://brainly.com/question/15867555
#SPJ11
TRUE / FALSE.
dark matter has not been observed at any electromagnetic wavelength.
Answers
True. Dark matter has not been observed at any electromagnetic wavelength.
The statement is true. Dark matter, which is a form of matter that does not interact with electromagnetic radiation, has not been directly observed at any electromagnetic wavelength. Dark matter does not emit, absorb, or reflect light, making it challenging to detect using traditional astronomical observations that rely on electromagnetic radiation.
However, the existence of dark matter is inferred through its gravitational effects on visible matter and the structure of the universe. Its presence is inferred from observations of the rotation curves of galaxies, the motion of galaxies within galaxy clusters, gravitational lensing, and the large-scale distribution of matter in the universe. These observations suggest the presence of additional mass that cannot be accounted for by visible matter alone, leading to the concept of dark matter.
Efforts are ongoing to detect and study dark matter directly through experiments such as underground detectors and particle accelerators. These experiments aim to detect possible weakly interacting massive particles (WIMPs), which are among the proposed candidates for dark matter. However, as of now, direct observations of dark matter at any electromagnetic wavelength have not been made.
Learn more about gravitational lensing here :
https://brainly.com/question/29343518
#SPJ11
How are soluble food molecules absorbed into the epithelial cells of the small intestine
Answers
Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.
Which statement describes a common measurement error?
Answers
The cell cycle describes the processes that take place as a cell Your answer: A.forms new cells. B.absorbs nutrients. C.makes proteins.
Answers
Answer:
Choice A
Explanation: This is because the main purpose of the cell cycle is to create new cells for the organism via mitosis or meiosis.
The cell cycle illustrates the procedures, which occurs as a cell produces new cells.
What is cell cycle?It refers to a series of events, which occurs in a cell as it grows and differentiates.
A cell devotes majority of its time in the phase known as interphase, and during this time it develops, divides its chromosomes, and prepares for the division.
After that the cell leaves interphase, and goes through the process of mitosis, and completes the process of division.
It can be said that the prime task of cell division is to produce novel cells.
Thus, the correct answer is option A, that is, forms new cells.
Find out more information about cell cycle here:
https://brainly.com/question/9989716
What is prokaryotic cells??
Answers
Answer:
Prokaryotes are single-celled organisms of the domains Bacteria and Archaea. All prokaryotes have plasma membranes, cytoplasm, ribosomes, a cell wall, DNA, and lack membrane-bound organelles. Many also have polysaccharide capsules. Prokaryotic cells range in diameter from 0.1–5.0 µm.
Regarding the CAP protein involved in lac operon regulation, which of the following statements is false? Select one: a. It forms a dimer b. It increases the rate of transcription c. It senses the lactose levels d. It binds to the CAP site on the DNA e. It is a transcription factor
Answers
The answer to the given question is that "C. It senses the lactose levels" is the false statement regarding the CAP protein involved in lac operon regulation. What is lac operon? The lac operon is an operon that contains genes that regulate the metabolism of lactose in bacteria.
It is composed of three major structural genes: lacZ, lacY, and lacA, which encode the enzymes β-galactosidase, lactose permease, and thiogalactoside transacetylase, respectively. These enzymes work together to break down lactose into glucose and galactose for energy production in bacteria. What is CAP protein? The catabolite activator protein (CAP) is a protein that plays a vital role in the regulation of the lac operon. It is a transcriptional regulator that activates the transcription of the lac operon by binding to the CAP site in the lac operon promoter region in the presence of cAMP. The following are some true statements regarding the CAP protein involved in lac operon regulation: It forms a dimer: The CAP protein is composed of two identical subunits that bind together to form a dimer.
It increases the rate of transcription: The CAP protein activates the transcription of the lac operon by binding to the CAP site in the promoter region and increasing RNA polymerase activity. It binds to the CAP site on the DNA: The CAP protein binds to the CAP site, a specific DNA sequence located in the promoter region of the lac operon, in the presence of cAMP.
It is a transcription factor: The CAP protein is a transcriptional regulator that activates the transcription of the lac operon by binding to the CAP site in the promoter region in the presence of cAMP. The false statement regarding the CAP protein involved in lac operon regulation is that it senses the lactose levels. CAP protein does not sense lactose levels but it is the repressor protein encoded by the lacI gene that senses the lactose levels and regulates the expression of the lac operon. Hence, option (C) is the correct answer.
To know more about thiogalactoside visit
https://brainly.com/question/32684510
#SPJ11
why
are PTs and PTAs considered change agents?
Answers
Physical Therapists (PTs) and Physical Therapist Assistants (PTAs) are considered change agents due to their ability to assist patients and improve their quality of life.
Change agents refer to individuals who have the capacity to modify the behavior, beliefs, and outcomes of others, organizations, or entire communities.
There are several reasons why PTs and PTAs are considered change agents. They are as follows:
1. Personalized Treatment Plan: PTs and PTAs work with their patients to develop a personalized treatment plan. These plans include specific goals that the patient should strive to achieve, such as improved mobility or reduced pain.
2. Active Patient Participation: To achieve these goals, patients must actively participate in their treatment plans. PTs and PTAs motivate patients to stay on track by providing support and education throughout the process. This partnership promotes patient empowerment.
3. Improved Quality of Life: Physical therapy can help patients achieve a higher quality of life by reducing pain, improving mobility, and increasing independence. This positive outcome can have a significant impact on the patient's overall health and well-being.
4. Advocacy: PTs and PTAs also serve as advocates for their patients, ensuring that their healthcare needs are met. They may work to improve patient outcomes on a larger scale by advocating for changes in healthcare policies or procedures. This can lead to improved access to care for patients across the board.
PTs and PTAs are highly trained professionals with the capacity to help patients overcome physical challenges and achieve their goals. As change agents, they can help patients improve their quality of life and advocate for changes that promote positive outcomes for everyone.
To learn more about Physical Therapists here
https://brainly.com/question/19389028
#SPJ11
The sum of a number and two is equal to negative seven. Translate this sentence to an equation and then find the number. 5 -5 9 -9
Answers
Answer:
x+2=-7. -9
Explanation:
x+2=-7
-2. -2
x=-9
can
u answer questions 1-3, and write 4-5 sentces for each question
Walid Elkhatib, an Arab American, bought a Dunkin' Donuts franchise in Illinois. Ten years later, Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises.
Answers
The situation presented is that Walid Elkhatib, an Arab American, bought a Dunkin' Donuts franchise in Illinois. This is the central fact mentioned The situation states that Walid Elkhatib, who is an Arab American, purchased a Dunkin' Donuts franchise in Illinois.
The new development introduced is that Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises. This development is related to the breakfast menu expansion states that Dunkin' Donuts started providing breakfast sandwiches with options like bacon, ham, or sausage in its franchises. This information is introduced, highlighting the specific menu expansion.
Walid Elkhatib, an Arab American, purchased a Dunkin' Donuts franchise in Illinois. Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises The given situation includes Walid Elkhatib, an Arab American, who acquired a Dunkin' Donuts franchise in Illinois.
To know more about presented Visit;
https://brainly.com/question/28233927
#SPJ11
In bacterial cells, the tryptophan operon encodes the genes needed to synthesize tryptophan. What happens when there is a high amount of lactose inside a cell
Answers
The high amount of lactose in a bacterial cell activates the lac operon, which results in the production of the enzymes needed to metabolize lactose.
The tryptophan operon in bacterial cells is a cluster of genes that encode the enzymes required for the biosynthesis of tryptophan.
The genes in this operon are regulated by a repressor protein that binds to the operator region upstream of the promoter, preventing RNA polymerase from transcribing the genes.
The repressor protein is activated by binding to tryptophan molecules.
When there is a high amount of lactose inside a bacterial cell, it can activate the lac operon, which encodes the genes needed to transport and metabolize lactose.
This activation occurs due to the binding of lactose to the lac repressor protein, which causes a conformational change and releases the repressor from the operator region, allowing RNA polymerase to transcribe the genes.
However, lactose has no direct effect on the tryptophan operon. The tryptophan repressor protein will continue to bind to the operator region, inhibiting transcription of the genes, as long as there is enough tryptophan present to activate it.
Therefore, the high amount of lactose inside a bacterial cell will have no impact on the expression of the tryptophan operon.
For more such answers on tryptophan
https://brainly.com/question/14684163
#SPJ11
Which of the following statements best describes why most animal fats are formed from saturated fatty acids?
A) The hydrocarbon chains of saturated fatty acids are straight so they can be tightly packed to store more energy in less space.
B) The hydrocarbon chains of saturated fat cannot pack together closely, which keeps the animal from becoming too large.
C) The hydrocarbon chains of saturated fatty acids allow fewer hydrogen atoms to bond, which makes the molecule stable for energy storage.
D) The hydrocarbon chains of saturated fatty acids have bends so they can be loosely packed to store more energy in less space.
Answers
good day, hope this helps ^^
Dialysis tubing was filled with a 25% glucose and 2% starch solution. This was then placed in a beaker filled with water. Glucose is able to pass through the membrane of the dialysis tubing, while starch cannot. Which of the following best predicts what will happen over time?
*please give an explanation or don't bother answering*
Water and glucose will both leave the dialysis tubing
Water will enter the dialysis tubing while glucose will leave
Water will leave the dialysis tubing while glucose will enter
Water and glucose will both enter the dialysis tubing
Answers
Answer:Water and glucose
Explanation: because they will both leave the dislysis tubing
Answer:
Water and glucose
Explanation:
Because they will both leave the dialysis tubing
1. describe why temperature
changes can impair an enzyme's ability to catalyze reactions.
Answers
Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity.
Hope it helps you :)