3.4.3 Lab: Why are cells so small?

Answers

Answer 1

Answer: The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. ... That is why cells are so small.

Explanation: because they can absorb nutrients much more efficiently. Because they are smaller they can efficiently absorb enough food. ... When a cell doubles in size the volume increases much more then the surface area, which is why large cells cannot receive enough food efficiently for their volume. Cells are small because they are more efficient as smaller entities. Information within small cells is transmitted more quickly and efficiently than within larger cells. ... Thus a higher cell surface area-to-volume ratio, i.e., smaller cell size, is desired for most efficient cellular activity.

Answer 2

The cells are so small because their small size allows them to take in food and get rid of the waste.

The cells are the basic structural and functional unit of all organisms on earth except the Viruses. The size of the cell is so little it allows the organism to maximize the ration of surface area to volume. Smaller cells are expected to have greater ratio which promotes more molecules as well as ions to move across the plasma membrane.The small size of the cell facilitate to get the nutrients inside the cell and waste outside the cell quickly. Hence, small size of cell facilitates to get food inside and get rid of waste.

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Related Questions

What can you infer about the Maastrichtian Age from its name?

Question 7 options:

A)

That is was an extremely long, complicated age.


B)

Rocks from that era were first studied near the city of Maastricht, Netherlands


C)

That is was the most strict geologic age in history.


D)

Nothing - the names of geologic ages are arbitrary.

Answers

Answer:

The B) is answer

my answer have to be atleast 20 characters long oof

1 point
7. In the wild, rabbits breed very quickly producing many offspring in a
short period of time. Which of the following is most likely the reason why
rabbits have adapted the ability to breed quickly? *
There are many diseases that wipe out entire rabbit populations
O They have limited habitats that they live in
There is limited food in most habitats
O They have many predators and short life spans

Answers

Answer:

they have short life spans and many predators.. hope this works

does the radiation from the sun to the sand lower the kinetic energy of the sand​

Answers

the radiation from the sun would actually make the kinetic energy higher because the sun heats up the sands atoms making them move faster

In sexual reproduction, a sperm cell fertilizes an egg to form a zygote

A. True

B. False

Answers

it’s true !!!!!!!!!!!!!

Answer:

binary fission

Explanation:

The passing of electrons along a series of molecules, releasing energy bit- by-bit as they go, is called the 1. Calvin Cycle 2. the Citric Acid (Krebs) Cycle 3. the electron transport chain (ETC) 4. an aerobic process​

Answers

Answer:

Cycle 3: The electric transport chain!

Question 20 of 26
How many daughter cells does mitosis produce?
A) 2.
B) 4
C) 23
D) 46

Answers

The answer is 4. Hope this helps

Answer:

A) 2.

I hope it helps :)

Explanation:

During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Mitosis itself consists of five active steps, or phases: prophase, prometaphase, metaphase, anaphase, and telophase.

SUBJECT SCIENCE: how could the rocks from the Rocky Mountains and the Great Plains have such similar composition? (WRITE AT LEAST 5 SENTENCE)

Answers

It might also be possible that the rock of the Rocky Mountains formed from the rock of the Great Plains if the Great Plains rock were somehow carried underground to where energy from Earth's interior could melt it into magma. Matter gets transformed by energy, but the same matter is still present.

Answer and I will give you brainiliest



heeeeelp PLZ​

Answers

ADH is produced by the hypothalamus in the brain and stored in the posterior pituitary gland at the base of the brain. ADH is normally released by the pituitary in response to sensors that detect an increase in blood osmolality (number of dissolved particles in the blood) or decrease in blood volume

Will comment next answer

A large bowl contains a mixture of soil and iron powder. What would be the best way to separate the iron powder from the soil?​

Answers

Answer:

Add magnet to the bowl, cover the bowl, and shake well

Explanation:

Anything with MAGNET

*anatomy & physiology question*

if you are at 120X and the field diameter is 8.0 mm what is the field diameter if you go to 30X magnification?

Answers

Answer:

32 mm

Explanation:

The field of view is the total area visible through the microscope . The diameter of the field of view can be measured.

There is an inverse relationship between the magnification and the field diameter. As magnifications decreases, the field diameter increases by the same proportion, and as magnifications increases, the field diameter decreases by the same proportion.

The relationship between field diameter and magnification is:

magnification of A * field diameter of A = magnification of B * field diameter of B

120X * 8 mm = 30X * B

B = 120X / 30X * 8 mm

B = 32 mm = 32000 μm

The field diameter of 30X magnification is 32 mm (32000 μm)

from his monohybrid crosses, Mendel developed his first law

Answers

Answer:

Im confused but if your asking for Medel's first law it would be states that for the pair of alleles an individual has of some gene (or at some genetic locus), one is a copy of a randomly chosen one in the father of the individual, and the other if a copy of a randomly chosen one in the mother, and that a randomly chosen one will be copied

Explanation:

___is a process that tells cells to stop dividing if they touch each other.

Answers

Answer:

Contact inhibition

Select the intended meaning of the idiom in the following sentence.
The President's announcement made Washington tremble.
O The people in the government grew anxious.
O The earth shook while the President spoke.

Answers

The people were anxious

Which two structures are found at the outside of the cell?

Answers

Answer:

All cells share common components: (1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell.

The health department is responsible to make sure there are written directions for critical control point procedures.
True
False

Answers

Answer:

I think it's true...

Explanation:

Answer:

True

Explanation:

edge2021

The pathophysiology of osteomalacia involves a. collagen breakdown in the bone matrix. b. inadequate mineralization in the osteoid. c. crowding of cells in the osteoid. d. increased osteoclast activity.

Answers

Answer:

The correct answer is - b. inadequate mineralization in the osteoid.

Explanation:

Osteomalacia is a condition where the bones become weak and soft, this bone softening is occurred due to mainly vitamin D deficiency that also causes rickets. It leads to insufficient or inadequate mineralization in the osteoid.

This conditing when takes place in kids and young adult leads to curve or bowing during the growth period. In this case, bones are very prone or easily fractured.

You have adopted a gray mouse, which you know is a wild type phenotype. When crossed with a white mouse, your gray mouse has a first litter of 3 gray mice and 2 white mice. In the second litter, you observe 3 gray mice and 4 white mice. What is the probable genotype of your gray mouse

Answers

Assuming the white phenotype is recessive. white: gg
I think the gray mouse is Gg because the offspring were pretty equally distributed in terms of color. See the punnet square below.
g g
G| Gg Gg
g| gg gg

If the Gray phenotype is recessive, then gray: ww but only if white is Ww because its about 50% chance for both.

which statement describes what happens to rocky shorelines that absorb energy from ocean waves?

Answers

Answer:

Solid rock break apart

Explanation:

a sound wave traveling through dry air has a frequency of 16 Hz, a wavelength of 22 m, and a speed of 350 m/s. When the sound wave passes through clouds of nitrous oxide, it’s wavelength changes to 16 m, while it’s frequently remains the same. What is it’s new speed?

Answers

please urgent please help

Volcanoes can form near coastal regions where an oceanic plate [blank] below a continental plate

Answers

Answer:

Subducts

Explanation:

According to Merriam Webster and TheFreeDictionary, the definition of subduct is "A geologic process in which one edge of one crustal plate is forced below the edge of another." Since this sentence indicates that an oceanic plate sinks under the continental plate, therefore I believe the fill-in-the-blank word would be 'subducts' or a similar word.

look at the picture

Answers

Answer:

What was the question of it

Use the graph and the table above to complete the table by estimating the amount of energy transferred near location B.

A.
1600 kilojoules

B.
300 kilojoules

C.
800 kilojoules

D.
400 kilojoules

E.
3200 kilojoules

Answers

The answr is A
Step explain
The answer is A 1600 kilojoules

Genes Influence an organism's tralts by coding for:

Answers

Answer:

production of proteins

Explanation:

Daphne identifies the entire sequence of nucleotides in a gene. Based on this information and the genetic code, she predicts the sequence of amino acids in the protein that the gene codes for. What is the MOST LIKELY reason that Daphne’s prediction would be incorrect?

The gene codes for a carbohydrate, and not a protein.
A mutation changes the genetic code that the cell uses.
The cell removes introns from pre-mRNA.
The cell removes introns from DNA.

Answers

Answer:

The cell removes introns from pre-MRNA

Explanation:

Apply: Which type of moth do you think was more common before the 19th century, when most trees were light in color?

Answers

Answer:

light moths

Explanation:

yes their were most light color in most trees

Light moths was more common before the 19th century, when most trees were light in color.

What are the functions of light moths?

Insects, like moths, are drawn to bright lights because they make it difficult for them to navigate. It's a common sight, particularly in the summer: The lights, like lamps, were surrounded by moths and other insects.

Most nocturnally dynamic moths are drawn to light, a peculiarity known as sure phototaxis. However, because they are phototactic, some species, like the Old Lady (Mormo maura), tend to avoid it.

No one really knows why moths are drawn to light, but there are a few theories, and they also like the smell of fermented sugar and ripe fruit, which are both food sources.

Learn more about light moths:

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#SPJ3

18. Viruses are considered
because they can not perform the characteristics of life without a
19. Viruses are made of two basic compounds,
and a
made of protein.
20. A virus infects a cell by injecting
into a cell.

Answers

Answer:

6. antibodies and DNA for the question no.6

Choose all the answers that apply.
Eukaryotes _____.

are always multicellular
are always unicellular
may have evolved from prokaryotes
have membrane-bound organelles
have a true nucleus
are more primitive than prokaryotes

Answers

Answer:

3 answers

Explanation:

may have evolved from prokaryotes

have membrane bound organelles

have a true nucleus

Hope it helps.....

Body Cells are
O A) 1N
O B) 2N

O C) 4N
OD) 21N

Answers

Answer:

B) 2N

Explanation:

Body cells have 46 chromosomes and are called 2N cell. It's a diploid cell.

2N = 4 chromatids. During meiosis, the 2N cell divides into 4 nonidentical 1N cells.

A botanist finds that when compared to pink flowers, the population of purple flowers is very high. Ten years later, the population of purple flowers is nearly gone, and the number of pink flowers has tripled. Why would this be?

Answers

Answer:

Because of the reduction or near extinction of the purple flowers noticed by the botanist Ten years after it was in abundance, this fall in the population could be caused by the unfavorable change in the plant's environment. While the pink flowers tripled because some factors in the environment were favorable for its growth.

Explanation:

From the question, it was mention that the botanist noticed at first purple flowers had more population than the pink flowers and that changed after 10 years when the population of the pink flowers tripled and purple flowers were nearly gone. Some of the causes that could be responsible are:

1. Disease and pest attack on the purple flowers.

2. The pink flowers developed a good survival mechanism even in adverse conditions.

3. Environmental stress could also come into play on the purple flowers.

4. Climate which initially supported the growth of the purple flowers had changed. Because variations exist in plants and the ideal conditions necessary for plant growths and proliferation varies among plants.

.

When equipment malfunctions, a(n) _____ needs to be initiated.

A) Notification

B) Paper Work

C) Alarm

D) Work Order

Answers

Answer: Alarm

Explanation:

When equipment malfunctions, an alarm should be initiated to bring the malfunction to the attention of the relevant personnel.

This will ensure that whatever adverse effects the malfunction could have caused is mitigated and the machine can be attended to on time to prevent further damage.

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