Your brother is arguing that popcorn kernels are nonliving things. You think they are living. List all the characteristics that you think make the popcorn kernels living. How could you prove it? Design an experiment to test if the popcorn is alive or not.
Answers
Popcorn kernels aren't living things.
Some characteristics they have that show proof they are living organisms:
movement when exposed to heatirritability/sensitivity since they react to change of temperaturegrowth since when they are exposed to high temperatures they grow and become biggerHow prove if they are living or not by?The earth on which we dwell is composed of several elements. There are two categories of these "things": living things and non-living things.
Living creatures exhibit a range of traits to varying degrees, including breathing, moving, reacting to stimuli, procreating, growing, and being reliant on their surroundings.
Non-living creatures cannot breathe, move, grow, consume, or reproduce.
So, in conclusion popcorn kernels aren't living things.
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Related Questions
Which of the following is a qualitative observation about grasshoppers that a science class could have made on their nature walk?
a.The grasshoppers will live longest in container filled with plants.
b.The grasshoppers are green with long back legs and antennae.
c.The grasshoppers will probably eat more grass than tree leaves.
d.The grasshoppers all hatched from eggs laid the year before.
Answers
Answer:
B
Explanation:
Qualitative means appearance wise, so B is correct because it is describing the appearance and observable features of the grasshoppers.
The posterior intercostal arteries are pariental branches of the
Answers
The posterior intercostal arteries are indeed parental branches of the thoracic aorta. These arteries run along the undersurface of the ribs and supply the muscles, bones, and skin of the back and thorax.
The thoracic aorta gives rise to nine pairs of posterior intercostal arteries that run along the back of the thorax, with the first two pairs arising from the superior intercostal arteries. The posterior intercostal arteries branch out and form collateral vessels that connect to the anterior intercostal arteries, which are branches of the internal thoracic arteries. This network of intercostal arteries provides a critical blood supply to the muscles and tissues of the chest wall, including the spinal cord, ribs, and intercostal muscles.
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the cuticle is made of a waxy material. suggest an advantage to a plant of this feature
Answers
Answer:
The waxy cuticle stores the moisturizer of leaves by preventing the loss of water.
Explanation:
Answer:
A primary function of the leaf's waxy cuticle is to reduce water loss through the leaves, which is particularly important in arid deserts with little rainfall or Mediterranean climates with seasonal rainfall
how does Genetic diversity happen
Answers
Answer:
Genetic diversity occurs when mutations create new alleles over time.
Explanation:
Answer:
Genetic diversity happens when mutations create new alleles over a period of time.
What is genetic diversity?
Genetic diversity in a very simple term is the natural variation that exists within the individuals of an species.
The first rule of Darwin's theory says, there is a natural variation. Leaving apart identical twin cases, no 2 individuals of the population are exactly similar, no matter how close they are. There are two factors that are responsible for this variation :
Phenotypic factors: the external factors like food, climate, the way of nurturing etc. These variations are not inheritable.Genotypic factors: these characters are gene governed and are inheritable.The variations because of (2) are called “genetic diversity” of a particular species. The rich genetic diversity is of immense use to us and also to nature. Development of improved plants or race improvisation of domestic animals is possible through this.
We are fast narrowing down the global natural genetic diversity of animals and plants by our un mindful modernization activities. The loss is great and unrepairable.
Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air?
Answers
Answer:
The plants release water through their leaves through transpiration.
Whcih of the following scenarios would result in a person's inability to keep a memory? a in the hippocampus; inability to produce enough EPSPs to drive Mg out of the cell, therefore Ca channels responsible for increased postsynaptic sensitivity remained blocked O b. in the hippocampus; decreased glutamate release from presynaptic neurons repolarize the cell, resulting in increased AMPA receptors necessary for increased Na into the cell OCIn the hippocampus, increase in glutamate release from presynaptic neurons causes excitation of the second messenger pathway system responsible for blocking Me keeping it in the cell, and causing the cell to hyperpolarize O d. In the hypothalamus, decreased glutamate release from presynaptic neurons repolarize the cell, resulting in increased AMPA receptors necessary for increased Na into the cell e. In the hypothalamus; inability to produce enough EPSPs to drive Mg out of the cell, therefore Ca channels responsible for increased postsynaptic sensitivity remained blocked For this question. Assume a hypothetical postsynaptic neuron has three presynaptic inputs: neurons A T. and M. Also, assume neuron Mis inhibitory. If neurotransmitter from A causes a slight depolarization of the postsynaptic cell, then the a. synapse is excitatory b. synapse is inhibitory O c synapse could be excitatory or inhibitory O d. postsynaptic cells membrane potential has decreased e. a and d
Answers
The scenario that would result in a person's inability to keep a memory is option A: In the hippocampus, inability to produce enough EPSPs to drive Mg out of the cell, therefore Ca channels responsible for increased postsynaptic sensitivity remained blocked.
In this scenario, the insufficient generation of excitatory postsynaptic potentials (EPSPs) prevents the removal of magnesium (Mg) from the cell.
As a result, the calcium (Ca) channels responsible for increasing postsynaptic sensitivity remain blocked. Calcium influx is crucial for various processes involved in memory formation and synaptic plasticity in the hippocampus, including long-term potentiation (LTP).
Therefore, the inability to generate enough EPSPs and unblock the Ca channels impairs the synaptic changes necessary for memory retention.
Therefore, the correct option is A, In the hippocampus, inability to produce enough EPSPs to drive Mg out of the cell, therefore Ca channels responsible for increased postsynaptic sensitivity remained blocked.
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What cells does Pneumonia attack Need Asap
Answers
Answer:
White blood cells
Explanation:
Most pneumonia occurs when a breakdown in your body's natural defenses allows germs to invade and multiply within your lungs. To destroy the attacking organisms, white blood cells rapidly accumulate. Along with bacteria and fungi, they fill the air sacs within your lungs (alveoli).
Describe at least two factors that contributed to the hostility between Maurice Wilkins and Rosalind Franklin
Answers
She would be in charge of the X-ray studies of DNA. Wilkins thought that Franklin would be his assistant.
What was the conflict between Wilkins and Franklin?Wilkins felt DNA was his dominant and Franklin was being hired as his deputy, not an independent scientist with her own mind and procedure. Wilkins and Franklin never got along. Markel loudens a chorus of their colleagues on why. Watson blamed Franklin for declining to accept her role as Wilkins' assistant.
He mistook her for a new secretary, and it emerge that they never established a good working connection as fellow scientists. Franklin had gotten the impression she would be waged alone in the lab; Wilkins saw her in a more supportive role to his work.
So we can conclude that Rosalind Franklin acquires images of DNA using X-ray crystallography, an idea first raised by Maurice Wilkins.
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Each electron has a charge of 1–, and each proton has a charge of 1+. You can calculate the charge of an atom by subtracting the number of electrons from the number of protons. Move an electron from the sodium to the chlorine atom.
Answers
Answer:
Following are the solution to this question:
Explanation:
The creation of bonds:
\(Na \to Sodium \\\\Cl \to Chlorine\)
Na has one electron of valence, and Cl has 7 electrons of valence. The transfer of electrons should be made to form a relation of such a nature. All relations among ionic and non is here Sodium is the metal and chlorine is the non-metal.
\(\to Na \longrightarrow Na^{+} + e^{-}\)
Neon isoelectronic
\(\to Cl + e \longrightarrow Cl^{-}\)
Argon isoelectronic
\(\to Na+Cl \longrightarrow NaCl\\\\\to Na^{+} + Cl^{-} \longrightarrow Na^{+}Cl^{-}\\\\\)
Answer:
A.What are the charges of each atom now?
Sodium: +1___ Chlorine: __-1___
B.Is each ion stable? Explain.
-Electromagnetic force pulls them together
60 minutes remaining
Question 13 The most abundant photoreceptors that detect dim light are Cones.
A True
B False
Question 14 Muscular tissue that adjusts the shape of the pupil to regulate how much light enters the eye is IRIS.
A True
B False Question
15 Opsins are visual pigments derived from Vitamin D.
A True
B False
Answers
Answer:
Question 13:
B. False
The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.
Question 14:
A. True
The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.
Question 15:
B. False
Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.
Explanation:
The figure shows an aquarium filled with water. Four cubes made from different materials are placed in the aquarium. For which object is the weight of the object and the buoyant force acting on it NOT equal?
-A
-B
-C
-D
Answers
Answer:
A
Explanation:
It sink down
humus in soil comes from eroded rock true or false
Answers
when during the cell cycle are chromosomes visible? question 26 options: a. only during interphase b. only when they are being replicated c. only during cell division d. only during the g1 phase
Answers
The cell cycle is the process through which cells develop and divide. The procedure is divided into two stages. Only during cell division are the chromosomes visible.
The cell cycle consists of a series of steps in which chromosomes and other cellular material are replicated to create two copies. The cell splits into two daughter cells, each of which receives a duplicated copy of the material. The cell cycle is completed when each daughter cell is surrounded by its own outer membrane.
The various stages of the cell cycle include: Interphase - This phase includes the G1, S, and G2 phases. M Phase - This is the mitotic phase, divided into prophase, metaphase, anaphase, and telophase. Cytokinesis – At this stage the cytoplasm of the cell divides.
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atp is the most important biological molecule that provides chemical energy. how does atp release energy?
Answers
Adenosine triphosphate (ATP) is a vital molecule that serves as the primary source of energy for cellular processes in living organisms. When a cell requires energy.
ATP releases energy by breaking the bond between the last two phosphate groups, converting ATP to adenosine diphosphate (ADP). This process is known as hydrolysis, which releases energy when water is added to the bond between the second and third phosphate groups.The energy released during ATP hydrolysis is utilized by cells to perform various functions such as muscle contraction, active transport, and biosynthesis. This energy transfer occurs through a process called phosphorylation, in which a phosphate group is transferred from ATP to another molecule, thereby increasing the energy level of the recipient molecule.
In summary, ATP releases energy by breaking the bond between the second and third phosphate groups through hydrolysis. This energy transfer is used to fuel cellular processes through phosphorylation, making ATP an essential biological molecule for all living organisms.
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ATP, a critical biological molecule, stores and provides energy for cells. Energy is released when ATP is hydrolyzed into ADP and a phosphate group. This energy is used for cellular functions, and the process is often powered by the breakdown of complex molecules like sugars or fats.
Explanation:Adenosine triphosphate, or ATP, is a key biological molecule that stores and provides energy for cellular functions. It is composed of a nucleotide, a five-carbon sugar, and three phosphate groups. When ATP is hydrolyzed into ADP (adenosine diphosphate) and a phosphate group (P¡), energy is released, which is used to perform cellular work.
Cells principally use ATP to carry out work by coordinating the exergonic reaction of ATP hydrolysis with endergonic reactions. This involves the process of ATP donating its phosphate group to another molecule through phosphorylation. This results in the phosphorylated molecule being at a higher-energy state and less stable than its unphosphorylated form. The occupied energy from the phosphate group addition allows the molecule to perform its endergonic reaction.
Additionally, glucose breakdown is an important process through which a significant amount of ATP molecules (36 to 38 molecules per single glucose molecule) are produced. This process, termed a catabolic pathway, works by degrading complex molecules (like sugars or fats) into simpler ones, releasing energy that is then used to produce ATP.
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Which process requires the presence of oxygen to release energy?
Answers
Answer:
Cellular Respiration
Explanation:
describe what test crosses are used for and how are they carried out. be able to use test cross data to determine genotypes.
Answers
When a person with an unknown genotype is bred with a homozygous recessive genotype—the recessive parental variety—testcrosses are used. Recessive phenotypic manifestation.
A person with a dominant phenotype could be homozygous dominant, which means they have two copies of the dominant allele, or they could only have one copy of each dominant and recessive allele (heterozygous dominant). One can identify whether a person is homozygous dominant or heterozygous dominant by doing a test cross.
In a test cross, the subject individual is crossed with a partner that carries the recessive trait homozygously, and the offspring of the cross are evaluated. The allele that the homozygous recessive individual passes on determines the phenotypic of the children since the homozygous recessive individual can only pass on recessive alleles.
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Why would it be bad if Creatine Kinase leaked out of muscle cells?
Answers
Answer:
Because it would mean severe muscle damage.
Explanation:
Which organisms are classified as gymnosperms? Select all that apply. giant sequoia bristlecone pine bald cypress cherry tree
Answers
The organisms that are classified as gymnosperms are as follows:
Bristlecone Pinegiant sequoia bald cypress What is a gymnosperm?Gymnosperms are plants such as a conifer whose seeds are not enclosed in an ovary.
Gymnosperms are the second group of plants after angiosperms or flowering plants. They are characterized by their inability to produce flowers or fruits, hence, bear their seeds in cones.
The largest group of living gymnosperms are as follows:
Conifers made up of pines, cypresses, and relatives
Cycads
Gnetophytes e.g. Gnetum, Ephedra and Welwitschia Ginkgo biloba (a single living species)
Therefore, bristlecone Pine, giant sequoia and bald cypress are the gymnosperms in the list given in the options.
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A forest fire destroys an area. A small population of trees and a large population of birds are both affected. Which type
of limiting factor causes this?
O density dependent
O density independent
O population dependent
O population independent
Answers
Answer:
Density independent is the correct answer
The type of limiting factor that causes this scenario are density-independent factors, which is Option B, because they affect populations regardless of their size or density.
What are density-independent factors?Density-independent factors are environmental factors that affect populations regardless of their size or density. These factors can include natural disasters such as forest fires, floods, hurricanes, droughts, and other extreme weather events. Other examples of density-independent factors include habitat destruction, pollution, and climate change. In the scenario described, a forest fire destroyed an area, which can lead to the decline of both tree and bird populations. The fire could kill the trees and destroy their habitats, making it difficult for the surviving trees to grow or reproduce.
Hence, the type of limiting factor that causes this scenario are density-independent factors, which is Option B, because they affect populations regardless of their size or density.
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In an experiment, a researcher prepares a reaction mixture by dissolving a substance in a buffered solution. The substance is the substrate of a certain enzyme. The researcher adds a small amount of the enzyme to the reaction mixture and measures the amount of product that is formed over time. Which of the following best predicts the immediate result of adding more substrate to the reaction mixture at the point indicated by the arrow in Figure 1?
answer choices
The amount of product will decrease until the reaction rate goes to zero.
The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction.
The amount of product will increase without stopping because the enzyme will be unchanged by the reaction.
The amount of product will decrease until the reaction reaches its equilibrium point or until the enzyme is been used up by the reaction
Answers
Until equilibrium is reached or all of the substrate has been eaten, the amount of product will continue to increase.
How can the rate at which an enzyme-catalyzed reaction occurs be determined?It is possible to identify enzyme catalysis by measuring the appearance of the product or the disappearance of the reactants. The same reactants may be used in a reaction, but a different catalyst may produce different results.
Which of the following would speed up how quickly reactants turn into products in a chemical reaction?The more the temperature rises, the more crashes occur. As a reactant's concentration rises, the likelihood of reactant collisions increases as well, accelerating the rate of the reaction.
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EASYYYYYYYY
AS THE CELL GETS SMALLER, WHAT HAPPENS TO THE SURFACE AREA TO VOLUME RATIO
Answers
movement of ca2 out of the cell through the na /ca2 channel is an exergonic process. select one: true false
Answers
The given statement "movement of Ca²⁺ out of the cell through the Na / Ca²⁺ channel is an exergonic process" is FALSE.
Exergonic reaction refers to a chemical reaction that releases energy. When the movement of Ca²⁺ ions takes place, it is an endergonic process. Endergonic reaction is the opposite of exergonic reaction, which means it requires energy to proceed. Therefore, the movement of Ca²⁺ ions out of the cell through the Na+/ Ca²⁺ channel is an endergonic process.
When the concentration of Ca²⁺ ions in the cytosol is higher, it can move out of the cell with the help of Na⁺/ Ca²⁺ exchanger. This exchanger is an antiporter protein that moves one Ca²⁺ ion out of the cell in exchange for three Na+ ions to move inside the cell. In conclusion, the statement "movement of Ca²⁺ out of the cell through the Na / Ca²⁺ channel is an exergonic process" is incorrect.
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Between 1987 and 1996, the grey wolf population in the area affected by the Chernobyl disaster
increased to seven times its population size before the disaster. Grey wolves are predators (hunters) of
elk, roe deer, and wild boar. Which statement about the grey wolf population is BEST supported by the
data in the graph?
A. The grey wolf population probably did not experience any growth after 1990.
B. The growth of the grey wolf population probably began to decline in 1993.
C. The grey wolf population probably experienced the greatest growth in 1994.
D. The growth of the grey wolf population probably began its initial rise in 1996.
Answers
Given what we know, despite not having access to the graph mentioned in order to provide a detailed answer, we can make the estimated guess that the grey wolf population probably experienced the greatest growth in 1994.
Why is C the most appropriate answer?The information given describes an increase in population during these years. The increase is a 7 fold increase to that of the years prior to the disaster. The options each list scenarios in which the population decreases, which is not consistent with the information provided. Option C is the only non-decreasing option.Therefore, given the information that during the years mentioned the population of wolves increased by seven times its number from before the disaster, we can confirm that since option C is the only option that does not describe a decrease in population, this must be the correct choice.
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Which is calcium dependent? GAP JunctionDesmosome (Maculae adherens)Adherens Junction (Zonulae adherens)Tight Junction (Zonulae occludens)
Answers
Adherens Junctions are calcium dependent junction.
The correct option is (C) Adherens Junction
Adherens junctions: What are they?Cell-cell adhesion complexes known as adherens junctions (AJs) allow cells within a tissue to respond to pressures, biochemical cues, and structural changes in their surroundings. AJs are constantly created and destroyed. Over a set of specified processes, such as initiation, cadherin recruitment, and the recruitment of plaque proteins, the creation and operation of the adherens junction may be explained. As migratory cells first come into contact with one another to create a tissue, for example, adherens junction assembly takes place. It can also happen in pre-existing tissues when cells divide, alter shape, or move in response to pharmacological or mechanical stimuli.Learn more about the Adherens junctions with the help of the given link:
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How will knowledge about health care provider allow you to properly bill and code common gatrointetonal dieae
Answers
Exact coding (and documentation) about health care provider will bring about additional precise installments, as well as less dismissals and installment delays.
Clinical charging and coding are basic parts of the medical services income cycle. The consistent activity of the clinical charging and coding cycle ensures that suppliers are paid for the administrations they perform and that supplier associations stay open to offer consideration to patients. Our coding exactness works on clinical, monetary, and authoritative making arrangements for execution checking utilizing coded information at Mark.
Most importantly, appropriate documentation prompts significantly better understanding consideration and cognizance. It might offer extra data to other medical care specialists who are giving subsequent therapy or a help to patients. With the new framework, exact coding and charging will be founded on documentation in the patient's record.
Clinical coding guarantees that guarantors have every one of the demonstrative codes expected to make the right installment. Segment reviews, examinations of ailment predominance, treatment results, and responsibility based repayment frameworks all need coding.
To appropriately enter the codes that connect with specific medical procedures, conclusions, and therapies, you should get a handle on life systems, physiology, and pharmacology. These codes are well defined for such an extent that they even determine which side of the body the medical procedure will be performed on.
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(Complete question) is:
How will knowledge about health care provider allow you to properly bill and code common gatrointetonal diseae?
How does most nitrogen get released back into the atmosphere during the nitrogen cycle?
A. Assimilation
B. Ammonification
C. Denitrification
D. Nitrification
Answers
Answer:
C
Explanation:
During a process called denitrification, nitrogen in gas forms, like nitrous oxide, are being released. Denitrification occurs if the nitrate is used when bacteria in the soil performs respiration.
genotypes has the potential for the greatest genetic variation in the offspring
Answers
Answer:
is that a question or an answer? cuz im learning about stuff like that right now
Explanation:
What does the term 'antibiotic resistance' refer to?
- When an antibiotic no longer works in a particular human so that it is no longer useful
- When a strain of bacteria is able to overcome the antibiotic so that it is no longer useful
- When the antibiotic cannot be synthesized in large enough amounts
- When the antibiotic causes further disease in humans
Answers
Answer:
When a strain of bacteria is able to overcome the antibiotic so that it is no longer useful.
Explanation:
Antibiotic resistance is when a bacteria evolves a immunity to that antibiotic, and is most commonly a product of overuse of antibiotics.
8
People with a physiological dependence on a substance, such as an addictive drug,
will experience
tolerance but not withdrawal.
both tolerance and withdrawal.
neither tolerance nor withdrawal.
withdrawal but not tolerance.
Answers
Answer:
both tolerance and withdrawal.
Explanation:
Answer:
Both tolerance and withdrawa
Explanation:
As monoculture becomes more profitable, some crop varieties are threatened
with extinction. Which of the following would be the best solution to this
global economic problem?
O A. Creating an international seed bank to protect biodiversity
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Encouraging developing countries to participate in global trade
Answers
Answer:
A. Creating an international seed bank to protect biodiversity
Explanation:
Monoculture involves the growing or rearing of a particular crop or livestock for commercial purposes. This brings more profit due to the importance of such crops or livestock but it results to some crop varieties being threatened with extinction due to the crops not being grown.
The best option would be to create an international seed bank to protect biodiversity and ensure availability of the future planting of the crops.