What happens to the surface are as the cubes get larger?

Answers

Answer 1

Answer:

As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.

Explanation:

Answer 2
the surface area to volume ratio - SA:V ratio decreases.

Related Questions


Are viruses considered living?
Are viruses considered a cell?
What does a virus need in order to
replicate/reproduce?
How do viruses look

Answers

Answer:

In order to replicate, viruses must first hijack the reproductive equipment of a host cell, redirecting it to 'photocopy' the genetic code of the virus and seal it inside a newly formed container, known as the capsid. Without a host cell, the virus simply can't replicate.

What does a virus need in order to

replicate/reproduce?

Explanation:

Viruses replicate in four stages:

1. Attachment

During this stage, the virus attaches itself to the host. It may have either spikes or pins to help it attach.

2. Penetration

The virus injects the nucleic acid into the host cell.

3. Transcription

The host cells nucleic acid disintegrates, and the virus assembles the fragments to create its own structure and its own DNA or RNA.

4. Lysis

The host cell is split open to release the newly copied viruses it created in the host cell.

The new copies of the virus then repeat the process in new host cells.


Which type of energy is thermal energy a form of?
OA chemical energy
OB. kinetic energy
Oc magnetic energy
OD. potential energy

Answers

Answer: Kinetic Energy

Explanation: Thermal energy comes from moving particles, and that’s what Kinetic Energy does, so Kinetic energy would most likely be the answer.

how is consolidation differentiated from neurogenesis

Answers

Consolidation and neurogenesis are two distinct processes that occur in the brain.

Consolidation refers to the process of strengthening and stabilizing newly acquired memories, while neurogenesis refers to the creation of new neurons in the brain.  During consolidation, memories are gradually strengthened and become more resistant to forgetting. This process involves the integration of new information into existing neural networks in the brain, as well as the formation of new connections between neurons. Consolidation is thought to occur primarily during sleep, when the brain is able to consolidate and strengthen memories without the interference of new sensory input. In contrast, neurogenesis involves the creation of new neurons in the brain, particularly in the hippocampus, which is involved in learning and memory. This process occurs throughout life, although it is most prominent during early development. Neurogenesis is thought to play a role in learning and memory, as well as in the recovery from brain damage or injury.
Overall, while consolidation and neurogenesis are both important processes for learning and memory, they are distinct processes with different underlying mechanisms. Consolidation involves the strengthening of existing memories, while neurogenesis involves the creation of new neurons in the brain.

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Leptin acts as a hormone, primarily in the ________.
a. pancreas
b. hypothalamus
c. intestines
d. liver
e. hippocampus

Answers

Answer:

b. hypothalamus

10. is it possible for a person consuming adequate amounts of milk and egg sources of protein to be deficient in niacin? why or why not?

Answers

It is unlikely for a person consuming adequate amounts of milk and egg sources of protein to be deficient in niacin. Milk and eggs are considered good sources of niacin, also known as vitamin B3. They contain appreciable amounts of niacin in the form of nicotinamide and nicotinic acid.

Niacin is an essential nutrient involved in various metabolic processes in the body. It plays a crucial role in energy production, DNA repair, and the functioning of the nervous system. While other dietary factors and individual variations can affect niacin requirements, a balanced diet that includes sources of niacin, such as milk and eggs, can typically provide adequate levels of this nutrient.

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1. The epistemology generally preferred in the natural sciences is
a.Based heavily on directly observable evidence
b.Willing to use more abstract, often unobservable forms of evidence
c.Generally accepting of the disorderly nature of society
2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines
Group of answer choices
True
False

Answers

1. The epistemology generally preferred in the natural sciences is a) Based heavily on directly observable evidence.

In the natural sciences, empirical evidence obtained through observation, experimentation, and measurement is highly valued. The emphasis is on gathering data from the physical world and using it to develop theories and explanations.

2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines is True.

Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines. It provides a platform for the exchange of knowledge and expertise between disciplines. This leads to a better understanding of complex problems and issues, which can be solved with a more comprehensive and holistic approach. Interdisciplinary studies are particularly useful in fields that are complex, and where a single disciplinary approach is insufficient. For example, climate change is a global problem that requires interdisciplinary collaboration between environmental scientists, climatologists, geographers, policy makers, and economists.

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what is 20 degrees Celsius in Fahrenheit

Answers

Answer:

68 degrees Fahrenheit

Explanation:

divide by 5 (20/5=4)

multiply by 9 (4 x 9= 36)

add 32 (36+32=68)

Answer:

68  degrees F

Explanation:

20 x 1.8 + 32

20= C

(multiply C by 1.8 then add 32!!)

This is for today I need help on this someone help me pls!!!

This is for today I need help on this someone help me pls!!!

Answers

Question 1.

Complementary Strand: TTA ATC CGC TGC

mRNA Strand: AAU UAG GCG ACG

Amino Acid Sequence: Asn-stop-Ala-Thr (doesn't look right, because it didn't have the universal start codon and also had a premature stop codon, but to be fair, mutations happen hahaha)

Question 2.

Complementary Strand: ATT GGC TAT CCT

mRNA Strand: UAA CCG AUA GGA

Amino Acid Sequence: Leu-Pro-Tyr-Gly

Where is the femoral artery?

Answers

Basically, the femoral artery is present in the region of human thigh. The main blood vessel in the area is the femoral artery.

The femoral artery is one of the major arteries of the human body and is located in the thigh region. It is the main blood vessel that supplies blood to the lower extremities, including the hip joint, thigh, knee, and calf. More specifically, the femoral artery begins at the lower part of the abdomen, in the pelvic area, where it is a continuation of the external iliac artery. From there, it descends through the femoral triangle, an area located at the upper thigh, and passes behind the inguinal ligament, a connective tissue band that runs from the pubic bone to the anterior superior iliac spine. Once the femoral artery passes through the inguinal ligament, it enters the thigh and travels down to the back of the knee. Along the way, it gives off several branches that supply blood to the muscles, bones, and other tissues of the leg.

In summary, the femoral artery is located in the thigh region, and it is a major blood vessel that supplies blood to the lower extremities, starting at the lower part of the abdomen and descending through the femoral triangle and the thigh, all the way down to the back of the knee.

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A group of genes in a nematode genome are found to have a similar sequence, to be tandemly arrayed, and to control body region development. These genes are likely to be

Answers

a group of genes in a nematode genome that have a similar sequence, are tandemly arrayed, and control body region development are likely to be Hox genes.

Hox genes play a crucial role in specifying the identity of different body regions during development by providing spatial information to cells. Hox genes represent a large family of transcription factors that comprise a homeodomain DNA-binding motif and act as regulatory genes in processes such as pattern formation and evolution of the patterning mechanism. These genes often have a conserved sequence and are found in clusters, which allows them to function in a coordinated manner during development. so, a group of genes in a nematode genome that have a similar sequence, are tandemly arrayed, and control body region development are likely to be Hox genes.

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Would you expect the molecular weight approximations to be closer to true values for larger or smaller proteins? Why?

Answers

You can expect molecular weight approximations to be closer to true values for larger proteins.

This is because larger proteins have a greater number of amino acids, which makes their molecular weight more significant. Any discrepancies or errors in measuring the molecular weight will have a smaller relative impact on larger proteins compared to smaller proteins. As a result, the approximation will be more accurate for larger proteins. You can expect molecular weight approximations to be closer to true values for larger proteins. You can expect molecular weight approximations to be closer to true values for larger proteins.

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List the potential challenges you may face when conducting a Research Design to investigate the impact of a school nutrition program on grade performance of students at high school. How would you deal with them?

Answers

You would face the issues of bias in sampling and compliance of subjects. This can be avoided by having a good experimental design.

What are the challenges?

It can be difficult to ensure a representative and impartial sample of participants. You can use random sampling strategies to solve this and make sure the sample has a varied range of kids from various backgrounds and academic levels.

It can be difficult to ensure that children consistently participate in and adhere to the nutrition program. Improve compliance and reduce dropout rates by putting measures like frequent reminders, rewards, and communication with students, parents, and school personnel into place.

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the cell membrane is described as highly selective, because it bars the passage of most but not all substances. what structural feature of the membrane acts like gates that allow certain substances, including water, to pass through the membrane?
a. Permanent gaps in the lipid layer
b. Proteins that temporarily dissolve regions of the lipid bilayer
c. Channels in transmembrane proteins embedded in the lipid bilayer
d. Channels in phosphat groups at the outer edges of the lipid bilayer

Answers

C because proteins station themselves inside the membranes and act as a tunnel or passage to let bigger molecules in.

Match the term to its description.

Match the term to its description.

Answers

Answer:

\( \color{magenta} \huge{ \boxed{answer}}\)Sun - D. The center star of our solar systemStar - B. An astronomical body that orbits arounda planet

Universe - A. All existing matter, energy, and space

Moon - C. A sphere of extremely hot plasma held togetherby its own gravity.

hopefully help=)

It s all correct=)

Explanation:

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The posterior pituitary gland synthesizes and stores adh and oxytocin. true false

Answers

The statement that the posterior pituitary gland synthesizes and stores ADH and oxytocin is false.

Posterior pituitary gland is the small sized gland present at the base of the brain. The posterior pituitary glands only functions to store and release the hormones. It does not synthesize any hormone. The hormones of this gland are produced in the hypothalamus.

ADH is the anti-diuretic hormone. Its other name is vasopressin. It functions to increase the reabsorption of water from the kidneys, therefore reducing the amount of urine production. ADH also regulates the blood pressure by acting upon the blood vessels.

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what stage and steps in meiosis and reproduction are so important to the genetic variation within a species

Answers

The stage and steps in meiosis and reproduction that are important to genetic variation within a species are:

1. Prophase I: During this stage, homologous chromosomes pair up and undergo a process called crossing over. This exchange of genetic material between chromosomes results in genetic variation.


2. Metaphase I: Homologous chromosome pairs line up in the center of the cell. The random alignment of chromosomes during this stage also contributes to genetic variation.


3. Anaphase I: Homologous chromosomes separate and move to opposite poles of the cell. This independent assortment of chromosomes further increases genetic variation.


Reproduction, specifically sexual reproduction, also contributes to genetic variation within a species. When two gametes (sperm and egg) combine during fertilization, they bring together different combinations of genetic material from the parents, resulting in offspring with unique genetic characteristics.


In summary, the stages and steps of meiosis, such as crossing over, independent assortment, and fertilization, are crucial for generating genetic variation within a species.

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Please Help brainiest for correctt and first answer

Please Help brainiest for correctt and first answer

Answers

Answer:

B: to break down sugar and release...

Explanation:

Mitochondria is the powerhouse of the cell! It breaks down sugar that comes into the cell and releases it back into the cell as energy

What are the base-pairing rules?

Answers

Answer:

The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)

Explanation:

for Chargaff's rules

Answer: The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)

Explanation:

How might an eospirifer fossil be used to determine the absolute age of the rock layer in which it was found?

Answers

An eospirifer fossil can be used to determine the absolute age of a rock layer through radiometric dating methods, specifically using isotopes in the surrounding minerals.

To determine the absolute age of a rock layer containing an eospirifer fossil, scientists use radiometric dating methods. These methods rely on the decay of radioactive isotopes found in the minerals surrounding the fossil. By measuring the ratio of parent isotopes (the original radioactive element) to daughter isotopes (the stable decay product), scientists can calculate the age of the rock.

This is based on the known half-life of the specific isotope, which is the time it takes for half of the parent isotopes to decay into daughter isotopes. By comparing this data to the fossil's position within the rock layer and correlating it with the geologic time scale, the absolute age of the rock layer can be determined.

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What are the organelles that use sunlight to produce food in the process of photosynthesis?.

Answers

Inside the plant cell are small organelles called (chloroplasts), which store the energy of sunlight.

What is the complementary base pair of dna?

Answers

Explanation:

In DNA, adenine (A) and thymine (T) are complementary base pairs, and cytosine (C) and guanine (G) are also complementary base pairs

Answer:

In DNA, adenine (A) and thymine (T) are complementary base pairs, and cytosine (C) and guanine (G) are also complementary base pairs, explaining Chargaff's rules (Figure 7).

The image shows barrels containing toxic waste that were dumped into a body of water. What is the likely effect of the dumping on this ecosystem?

Answers

Answer:

animals can die that are in the ocean

Explanation:

like the turtles (sksksks)

Answer:

the biodiversity of the ecosystem will decrease because the water is getting polluted

Explanation:

According to biological classification, which of these pairs represents animals that are the MOST closely related? A) crabs and fish B) crabs and snakes C) crabs and penguins D) crabs and grasshoppers

Answers

Answer:

I think it will be crabs and fish

what happens to the hydrogen atoms once their energy is harvested (in cellular respiration electron transport chain)?

Answers

As electrons move down the chain, energy is released and used to pump protons out of the matrix, forming a gradient. Protons flow back into the matrix through an enzyme called ATP synthase, making ATP. At the end of the electron transport chain, oxygen accepts electrons and takes up protons to form water.

What would our immune system be like without the production of Memory Cells?
Please help me.

Answers

The immune system's fast recognition and reaction to previously encountered infections are facilitated by memory cells. Without memory cells, the immune system would not be able to react to pathogens as rapidly or successfully as it has in the past. White blood cell would make it harder for the body to combat infections, which might result in more serious illnesses.

White blood cells: what are they?

White blood cells, usually referred to as leukocytes, are immune system cells that assist in defending the body against pathogens and outside invaders. Hematopoietic stem cells, which are multipotent cells in the bone marrow, are the source of production and development of all white blood cells.

White blood cells called memory cells enable the immune system to quickly identify and react to infections that have already been encountered.

Without memory cells, the immune system would not be able to react to pathogens as rapidly or successfully as it has in the past.

The body's ability to fend off infections would be compromised as a result of this in more serious illnesses.

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Kepler-186f is an exoplanet that orbits a star other than the Sun. Its star is the red dwarf Kepler-186. It is the first planet to be discovered that orbits its star at a distance similar to Earth’s distance from the Sun. If Kepler-186f is approximately 5.4 x 1010 meters from Kepler-186, how long does it take for light from the star to reach the exoplanet? The speed of light is 3.0 x 108 m/s

Answers

Answer:

180seconds

Explanation:

According to the question, Kepler-186f is an exoplanet that orbits a star called kepler-186, other than the Sun.

Distance of the star (kepler-186) away from the planet is 5.4 x 10^10 meters

In order to calculate how long i.e. time, a light moving at an average speed of 3.0 x 10^8 m/s will get to the exoplanet from the star, we use;

Speed (m/s) = Distance (m) ÷ time (s)

Time = Distance/speed

Time = 5.4 x 10^10 ÷ 3.0 x 10^8

Time = 5.4/3.0 × 10^ (10-8)

Time = 1.8 × 10^2

Time = 180seconds.


I need helppppppp with this

I need helppppppp with this

Answers

Answer:

Oxygen = 3 minutes

Water = 3 days

Food = 3 weeks

Explanation:

The theory of spontaneous generation once held that life was produced spontaneously from lifeless matter. Later on, it was thought that the process of spontaneous generation was a result of the action of oxygen on organic nutrients. Louis Pasteur challenged this idea when he hypothesized that life is generated only from life. He did a series of experiments to support this hypothesis. These findings helped reveal that the theory of spontaneous generation was false. Which of the following accurately describe Pasteur's theory? Check all that apply. Pasteur's theory confirmed the adequacy of the theory of spontaneous generation The theory of spontaneous generation, that life can arise from lifeless matter, was proven faise by Pasteur and was therefore shown to be inadequate. Pasteur's theory challenged the adequacy of the theory of spontaneous generation The hypothesis that life comes only from life is more adequate than the theory of spontaneous generation

Answers

Louis Pasteur's theory challenged the adequacy of the theory of spontaneous generation. (option 3)

He hypothesized that life comes only from life, and did a series of experiments to support this idea. His findings showed that the theory of spontaneous generation, which held that life could arise from lifeless matter, was false. Pasteur's work demonstrated the importance of experimental evidence in scientific inquiry and helped to establish the principles of modern microbiology. The hypothesis that life comes only from life is more adequate than the theory of spontaneous generation, and is widely accepted in the scientific community today.

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Complete Question:

The theory of spontaneous generation once held that life was produced spontaneously from lifeless matter. Later on, it was thought that the process of spontaneous generation was a result of the action of oxygen on organic nutrients. Louis Pasteur challenged this idea when he hypothesized that life is generated only from life. He did a series of experiments to support this hypothesis. These findings helped reveal that the theory of spontaneous generation was false. Which of the following accurately describe Pasteur's theory? Check all that apply.

Pasteur's theory confirmed the adequacy of the theory of spontaneous generation The theory of spontaneous generation, that life can arise from lifeless matter, was proven faise by Pasteur and was therefore shown to be inadequate. Pasteur's theory challenged the adequacy of the theory of spontaneous generation The hypothesis that life comes only from life is more adequate than the theory of spontaneous generation

In red blood cells, lactate is continually produced as a consequence of their anaerobic metabolism. What is the energetic cost (to the liver) in ATP of converting this lactate back to glucose, per molecule of glucose generated?

Answers

The energetic cost of converting lactate back to glucose per molecule of glucose generated is 6 ATPs.

Lactate is produced by anaerobic respiration in muscles when oxygen demand exceeds supply, causing fatigue. The liver converts the lactate back to glucose, which muscles can utilize for further energy production. There are two main pathways that produce ATP in human cells: aerobic respiration (requiring oxygen) and anaerobic respiration (not requiring oxygen).

During anaerobic respiration, energy is obtained from glucose without the use of oxygen. As a result of anaerobic metabolism, red blood cells generate lactate. Red blood cells are the only mammalian cells that lack mitochondria and consequently depend solely on anaerobic metabolism for energy production. This reliance on anaerobic metabolism has significant consequences, with lactate being continually produced as a byproduct.

The liver is responsible for converting lactate back to glucose in a process known as gluconeogenesis. It is an ATP-intensive process that consumes 6 ATP molecules per molecule of glucose generated, according to research.

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The data table below includes the estimated populations of woolly monkeys and
long-horned grasshoppers in a small area of the Amazon. The data includes
numbers from both before and after a fungus harmed the health of the long-
horned grasshoppers.

Answers

Answer:

vggg

Explanation:

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