Which of these is responsible for water removal in a cell? Lysosome Ob 0 0 0 0 0 Golgi o O Ribosome Vacuole Question 5 Material is allowed into the nucleus through what?
Answers
Answer:
Question 5 = plasma membrane/ cellular membrane
Related Questions
you are studying the rate of growth of different nut plants. one vitamin of interest is the b vitamin involved in metabolism of glucose. which b vitamin would you be studying in these plants?
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These plants would be used to study the b1 vitamin.
Even though thiamin deficiency symptoms were first mentioned in ancient Chinese medical texts, it wasn't until the late 19th century that they were linked to diet. A Japanese doctor observed in 1884 that Japanese sailors who consumed a restricted diet of nothing but rice for months at sea had extremely high rates of illness and death.
Rates of illness and death almost completely disappeared when subjects were fed a more varied diet that included whole grains, meats, beans, and vegetables. The same period saw the discovery by two Dutch researchers that chickens fed white polished rice experienced leg paralysis while those fed brown unpolished rice did not. Their research revealed that thiamin was present in the outer tiers of rice that were polished off.
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complete Question -
One vitamin of interest is the B vitamin involved in metabolism of glucose. Which B vitamin would you be studying in these plants?
B6
B1
Biotin
B12
Why are fuel cells better for the environment than fossil
fuels?
Answers
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
In dogs, there is a hereditary type of deafness caused by a recessive gene. Two dogs who carry the 11. 2 gene for deafness but have normal hearing are mated. What are the possible genotypes and phenotypes of their offspring and the percent chance for each?.
Answers
The possible genotypes are DD - 25%, Dd - 50%, and dd - 25%, and phenotypes are normal hearing - 75% and deafness - 25%. of their offspring.
Despite carrying the deafness gene, the two dogs have normal hearing. This indicates that the gene for deafness is recessive to hearing. The normal hearing would be D, assuming that the deafness gene is represented by d.
Dd x Dd
DD Dd Dd dd
Possible genotypes and their percents:
DD - 25%
Dd - 50%
dd - 25%
therefore, Possible phenotypes and their percentages Normal hearing - 75% Deafness - 25%
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What could be the reasons that a desert ecosystem can support less populations.
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-hope this helps
which statement represent the difference between Zig and Zig-zag tool path most accurately? Zig tool path travel in a linear path and in one direction Zig-zag take shorter time, thus it has less airtime Zig tool path travel in a linear path and in one direction and has more airtime compare with Zig-zag Zig take a shorter time
Answers
The following statement represents the difference between Zig and Zig-zag tool path most accurately: Zig tool path travel in a linear path and in one direction and has more airtime compared to Zig-zag.
A tool path is a specific geometric path or trajectory that cutting tools follow when machining a particular workpiece.
The difference between Zig and Zig-zag tool path
The zig tool path moves in a straight line and in a single direction, while the zig-zag tool path takes a shorter time, resulting in less airtime.
The zig tool path moves in a straight line and in a single direction, whereas the zig-zag tool path takes less time, resulting in less airtime.
The zig tool path provides more airtime because it moves in a single direction, while the zig-zag tool path travels back and forth, reducing the amount of airtime.
Zig tool paths can be utilized to attain higher machining efficiency, while Zig-zag tool paths are generally more acceptable for applications that require less machining time.
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darwin's experiments are just one way to study phototropism. a student wants to investigate the effects of phototropism in bean plants. she places a light source above one plant, at a forty-five degree angle to another, and at a ninety-degree angle from the third.
What is her independent variable?
What is a hypothesis she might write for her experiment?
Thank you
Answers
Answer:
Independent variable: Angle or direction of light
Hypothesis: IF the light is placed on the plant at a particular angle, THEN the plants will grow in that direction
Explanation:
In an experiment, the HYPOTHESIS is a testable explanation given to explain an observed problem or to answer a question. According to this experiment,
a student wants to investigate the effects of phototropism in bean plants i.e. how light affects the direction of plant growth. The scientific question is "How does light affect the direction which plant grows?". Therefore, a possible hypothesis will be:
IF the light is placed at a particular angle or direction, THEN the plants will grow in the direction of that light source.
- The independent variable is the variable that the experimenter changes or manipulates in order to effect a measurable response (direction of growth). In this experiment, the DIRECTION OR ANGLE OF THE LIGHT SOURCE IS THE INDEPENDENT VARIABLE.
PSYCHOLOGY!!! HURRY
Which of the following aspects characterizes altruism?
Answers
Answer:
sorry I don't no
Explanation:
I really need like
Chemical substances in the body that regulate bodily activities such as growth, metabolism, and sexual reproduction are called ____________.
a. pituitary proteins
b. enzymes
c. hormones
d. neurotransmitters
Answers
Chemical substances in the body that regulate bodily activities such as growth, metabolism, and sexual reproduction are called hormones.
Hormones are chemical messengers that are produced by glands in the endocrine system and travel through the bloodstream to target cells in other parts of the body. They help to regulate a wide range of bodily processes and are essential for maintaining homeostasis.
Option (a) is incorrect because pituitary proteins are not hormones. Pituitary proteins are actually signaling molecules that are produced by cells in the pituitary gland and help to regulate the release of other hormones.
Option (b) is incorrect because enzymes are proteins that catalyze chemical reactions within cells, but they do not regulate bodily activities in the same way that hormones do.
Option (d) is incorrect because neurotransmitters are chemicals that are released by neurons to communicate with other neurons or target cells in the body, but they do not regulate growth, metabolism, or sexual reproduction in the same way that hormones do.
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capsule stains will stain only the outer capsule of the bacteria leaving the cell and the background transparent. true or false?
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The statement is true. Capsule stains are designed to stain only the outer capsule of bacteria while leaving the cell and the background transparent.
Capsule stains are specialized staining techniques used to visualize the presence of capsules, which are slimy, gelatinous structures surrounding some bacterial cells. These capsules are composed of polysaccharides or glycoproteins and serve various functions, such as protection, adhesion, and evasion of the immune system.
In capsule staining, two dyes are used: a primary stain and a counterstain. The primary stain, often a basic dye such as crystal violet or methylene blue, is applied to the bacterial smear. This stain imparts color to the capsule, making it visible under a microscope.
After applying the primary stain, the smear is washed with a decolorizing agent, which removes the primary stain from the surrounding bacterial cells and the background. This step helps differentiate the capsule from the rest of the cell.
Finally, a counterstain, such as neutral red or Congo red, is applied. The counterstain does not bind to the capsule but stains the background, making the capsule stand out as a clear halo around the stained bacterial cell.
Therefore, the outer capsule of the bacteria is stained, while the cell and the background remain transparent, confirming the accuracy of the statement.
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the following results were obtained from a disk-diffusion test for microbial susceptibility to 4 antibiotics. mrsa was the test organism. based on the results above, which of the tested antibiotics should be used to kill the organism.
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a larger zone of inhibition indicates that the antibiotic is more effective at inhibiting the growth of the organism.
The disk-diffusion test is a commonly used method to determine microbial susceptibility to antibiotics. In this test, paper disks containing antibiotics are placed on an agar plate that has been inoculated with the test organism. The antibiotic diffuses out of the disk into the agar, creating a concentration gradient. If the test organism is susceptible to the antibiotic, a zone of inhibition will form around the disk, indicating that the antibiotic has inhibited the growth of the organism.
In the case of the test results for MRSA, there are four antibiotics being tested, and the zone of inhibition for each antibiotic is different. Based on the results, the antibiotic that should be used to kill the organism is the one that has the largest zone of inhibition. This is because a larger zone of inhibition indicates that the antibiotic is more effective at inhibiting the growth of the organism.
Without knowing the specific measurements of the zones of inhibition for each antibiotic, it is difficult to determine which antibiotic should be used to kill MRSA. However, in general, antibiotics such as vancomycin or linezolid are commonly used to treat MRSA infections, as they have been shown to be effective against this pathogen. It is important to note that the choice of antibiotic should be based on the specific susceptibility of the organism, as well as other factors such as the patient's health status and antibiotic resistance patterns in the community.
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After Pavlov had conditioned his dogs to salivate to the bell, he repeatedly presented the bell without presenting the food. As a result, which of the following occurred?
a. Stimulus generalization.
b. Stimulus discrimination.
c. A spontaneous recovery.
d. Extinction.
Answers
After Pavlov had conditioned his dogs to salivate to the bell, repeatedly presenting the bell without presenting the food would result in the process of extinction. Therefore, the answer is d. Extinction.
Pavlov's classical conditioning experiment involved pairing a neutral stimulus (a bell) with a biologically significant stimulus (food) until the neutral stimulus alone became associated with the response (salivation) that was previously only elicited by the biologically significant stimulus (food). After conditioning, the bell alone was able to elicit salivation in the dogs.
To investigate the process of extinction in classical conditioning, Pavlov repeatedly presented the bell (neutral stimulus) without presenting the food (biologically significant stimulus). Over time, the dogs learned that the bell no longer predicted the arrival of food, and the association between the bell and salivation weakened. This process of weakening of the conditioned response due to the repeated presentation of the conditioned stimulus without the unconditioned stimulus is called extinction.
In summary, extinction is the process of weakening the conditioned response by repeatedly presenting the conditioned stimulus without the unconditioned stimulus. Therefore, in Pavlov's experiment, the presentation of the bell without food resulted in extinction of the conditioned response, which was salivation in dogs.
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Matter can be classified as an element, a compound, or a mixture. The elements sodium (Na)
and chlorine (CI) react with each other to form the compound sodium chloride (NaCl), also
known as table salt. The reaction between sodium and chlorine releases energy. This energy
causes the temperature of the substances in the reaction to increase. When table salt
dissolves in water, a solution is formed, which is a type of mixture.
Which of these changes must happen for elements to become a compound?
elements dissolve in water
a gas becomes a liquid
elements are heated
chemical bonds form between atoms
Answers
Answer:
a gas becomes a liquid
Explanation:
pretty sure
An anthropologist discovers the fossilized heart of an extinct animal. The evidence indicates that the organism's heart was large, was well-formed, and had four chambers, with no connection between the right and left sides. ________. A reasonable conclusion supported by these observations is that the A. animal had evolved from birds B. animal was endothermic and had a high metabolic rate C. animal was most closely related to alligators and crocodiles D. species had little to no need to regulate blood pressure
Answers
The solution that is right is B. Animal had a high metabolic rate and was endothermic.
The blood is continuously restrained within vessels of various sizes in a closed circulatory system. In this circulation, the heart pumps blood, which raises the metabolic rate of mammals. Animals with endothermic (body temperature-regulated) bodies include aves and mammals. folks with warm blood.The circulation is halted in the presence of a four-chamber heart. A fossil animal can be used instead because it resembles aves. The animal had a closed circulatory system, a high metabolic rate, and was endothermic.The closest relative of mammals All endothermic creatures, such as birds and mammals, have fully divided ventricles and a four-chambered heart, in contrast to amphibians and the majority of reptiles, which have a three-chambered heart.
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plzzzzzz help i really need this answer
Answers
Answer: p2 represents the freuency of a homogeneous genotype(dominant)
Explanation:
Answer:
I think it's A
Explanation:
I had something similar to it but differently...
How's it been?
Explain the similarities and differences between substitutions, insertions, and deletions
Answers
Answer:
Substitutions, insertions, and deletions are types of genetic mutations that can occur in DNA or RNA sequences.
A substitution, also known as a point mutation, is a change in a single nucleotide base pair in the DNA or RNA sequence. There are three types of substitutions: silent, missense, and nonsense mutations. A silent mutation is a substitution that does not result in a change in the amino acid sequence of the protein that is produced. A missense mutation is a substitution that does result in a change in the amino acid sequence, potentially affecting the function of the protein. A nonsense mutation is a substitution that creates a premature stop codon, resulting in a truncated protein.
An insertion mutation occurs when one or more nucleotide base pairs are added to the DNA or RNA sequence, causing a shift in the reading frame. This can result in a frameshift mutation, which changes the way the entire sequence is read and can affect the protein produced.
A deletion mutation occurs when one or more nucleotide base pairs are removed from the DNA or RNA sequence, also causing a frameshift mutation. Like an insertion, a deletion can affect the protein produced, depending on where in the sequence it occurs.
In summary, substitutions, insertions, and deletions are all types of genetic mutations that can occur in DNA or RNA sequences. Substitutions involve a change in a single nucleotide base pair, while insertions and deletions involve the addition or removal of one or more base pairs, respectively. Insertions and deletions can result in a frameshift mutation, which changes the reading frame of the sequence and can have significant effects on the protein produced.
Explanation:
Where is the carbon taken in by plants during photosynthesis stored?a. the groundb. plant structuresC. the aird. all of the above
Answers
The carbon is taken from the air and is used in photosynthesis to produce glucose (from carbon dioxide and water reacting with the sunlight). This carbon enter the leaves through the stoma and is incorporated into organic compounds within the plant structure (being stored there).
Therefore, the correct answer is b. plant structures.
Cells are the building blocks of life on Earth. True or false
Answers
Answer:
True
Explanation:
Answer:
True , cells are the building blocks of life
the first seven bones of the vertebral column (forming the neck) are the:
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The first seven bones of the vertebral column, forming the neck, are the cervical vertebrae.
These vertebrae play a crucial role in supporting the skull, providing mobility to the neck, and protecting the spinal cord, which carries messages between the brain and the rest of the body.
Cervical vertebrae are uniquely shaped compared to other vertebrae in the spine. They are smaller, with a larger spinal canal to accommodate the spinal cord. The first two vertebrae, C1 (atlas) and C2 (axis), have specialized structures that enable the neck to rotate and nod. The atlas has a ring-like structure that connects directly to the skull, allowing for the nodding motion. The axis has a peg-like projection called the odontoid process, which fits into the atlas, enabling the head to rotate side to side.
The remaining five cervical vertebrae, C3 through C7, are more similar in shape to one another. They have small, bifid spinous processes, which are the bony protrusions at the back of each vertebra. These processes provide attachment points for muscles and ligaments, helping with neck movement and stability.
In summary, the cervical vertebrae are the first seven bones in the vertebral column that make up the neck. They have unique structures that support the skull, allow neck mobility, and protect the spinal cord.
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How does the fermentation of pyruvic acidin cells contribute to the formation of ATP? A. It completes the oxidation of glucose to CO2, creating ATP. B. It generates lactic acid, which cycles back through the Krebs cycle, producing 2 ATP molecules. C. It converts FADH2 to phosphate, which bonds with ADP. D. It produces 2 NAD+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 ATP molecules to be produced.
Answers
Answer:
How does the fermentation of pyruvic acid in cells contribute to the formation of ATP? ... It produces 2 NAD+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 ATP molecules to be produced.
Explanation:
What is another answer on describing how the digestive and urinary and excretory work together to maintain homeostasis?
Answers
Answer:
Food and liquids are processed by the digestive system, after nutrients are absorbed during digestion, the urinary tract excretes waste products. This maintains oxygen homeostasis by making sure that CO2 is removed.
Explanation:
Homeostasis is the process of maintaining the chemical balance in all living things. The foods consumed and processed through the digsetive system and brought into the small intestines wear essential vitamins and bacterias are abosored into the lining; this is critical for the wellbeing of the organism and the continuation of homeostasis.
Can someone help please ?
Answers
Answer:
I am sorry I don't know sorry
Explanation:
Why is a bunny a living organism?(select 3)
1. Bunnies are made up of cells
2. Bunnies have specialized cells
3.Bunnies use energy to carry out their functions
4.Bunnies grow and change during their life cycle
Answers
Answer:
The correct options are:
Bunnies are made up of cellsBunnies use energy to carry out their functionsBunnies grow and change during their life cycleLiving organisms are characterised by various features, including the fact that they are made up of cells, that they need energy to perform their tasks, and that they grow and evolve during their life cycle. Bunnies are living beings since they have all of these features. Option 2 is less correct since, although cells in a rabbit are specialized, this is not a necessity for an organism to be regarded as alive.
Bunnies are made up of cells
Bunnies use energy to carry out their functions
Bunnies grow and change during their life cycle
Living organisms are characterised by various features, including the fact that they are made up of cells, that they need energy to perform their tasks, and that they grow and evolve during their life cycle. Bunnies are living beings since they have all of these features. Option 2 is less correct since, although cells in a rabbit are specialized, this is not a necessity for an organism to be regarded as alive.
what variable would be most useful in making long-term road and infrastructure plans?
Answers
Population growth rate and projections would be most useful in making long-term road and infrastructure plans.
What is population growth?When making long-term road and infrastructure plans, a crucial variable to consider is population growth and demographics. Understanding how the population is growing and changing over time can provide insight into future demands for transportation and other infrastructure. For example, if a region is experiencing rapid population growth, it is likely that there will be increased demand for new roads, bridges, and public transportation systems.
Understanding the age structure of the population is also important, as this can influence the type of infrastructure that is needed. For example, an aging population may require more accessible transportation options, such as public transportation and pedestrian walkways. Other important variables to consider when making road and infrastructure plans include economic development, land use patterns, and environmental sustainability.
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4) A hospital in Vienna noted that many of their female patients were dying of "childbed fever" after they had given
birth in the hospital. The rates of this fever were much higher in the hospital than they were for women who had given
birth at a different clinic. In fact, 10% of the women at the hospital contracted fever compared to 4% at the clinic.
Ignatz Semmelweis thought that the fever was being transmitted on the hands of doctors when they went from the
He asked the doctors to wash their hands and the number of cases of "childbed fever"
morgue to examine women.
He also noted that a doctor contracted the same fever after he cut himself with a scalpel that had been
were reduced.
used on an autopsy.
Semmelweis concluded that the fever was caused by some element that could be transferred from person to person.
REASONING: If fever is something that could be transferred from person to person, then...
Answers
Answer:
Explanation:
#
what's the function of mitosis?
Answers
Answer:
Mitosis is a process where a single cell divides into two identical daughter cells (cell division). During mitosis one cell? divides once to form two identical cells. The major purpose of mitosis is for growth and to replace worn out cells.
Explanation:
sharon 777777777777 your back
Your friend tells you that she saw a bright object with a
tail that lasted a few moments in the night sky. She thinks it
might have been a comet. Is she correct? Why or why not?
If not, what did she likely see? Write your answer below in
complete sentences.
Please Hurry!!! Thank you
Answers
probably not, it misht be a satelite, and it burns when it enter in our atmosphere
Answer:
no it was most likely a meteor because meteors burn quick in the atmosphere
Explanation:
Which one is not matter?
(a) Electricity
(b) Paper
(c) Water
Answers
Answer:
A) electricity
Explanation:
Matter is something that occupies space and has mass
How do cells at the completion of meiosis compare with cells that are in prophase of meiosis I? (A) The cells have half the number of chromosomes and half the amount of DNA. (B) The cells have the same number of chromosomes and half the amount of DNA. (C) The cells have half the number of chromosomes and one-fourth the amount of DNA. (D) The cells have half the amount of cytoplasm and twice the amount of DNA.
Answers
Cells at the completion of meiosis compare with cells that are in prophase of meiosis I is (A) The cells have half the number of chromosomes and half the amount of DNA.
The correct option is (A).
The cells produced at the end of meosis cell division have half the number of chromosomes (termed as Haploid), so they will have half the number of chromosomes but same DNA as that of the parent cell as DNA divides and makes a copy of the parent cell DNA.Meiosis is a form of cell division of germ cells that creates gametes such as sperm or egg cells in sexually reproducing animals. It consists of two rounds of division that result in four cells with just one copy of each chromosome (haploid). Prior to division, genetic material from the paternal and maternal copies of each chromosome is crossed across, resulting in novel code combinations on each chromosome. During fertilisation, the haploid cells generated by meiosis from a male and female will unite to form a zygote, a cell with two copies of each chromosome.To learn more about Meiosis.
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who is the scientist that invented medication
Answers
Answer:
Friedrich Sertürner
Explanation:
Which of the following determines whether or not a material is magnetic
Answers
Answer:
uuuuuuuuuuuuuuu
Explanation:
uuuuuuuuuuuu7uu