Scientists have studied a fruit fly, Drosophila, to better understand early embryonic development and have discovered that the cell cycle changes as embryonic development proceeds. Model A represents the first 13 cell cycles after fertilization, which only includes two phases. Model B represents cell cycles 14 through 16, which are more complex and include a G2 phase. The figure shows two circular models, labeled Model A and Model B, that represent the cell cycle of fruit flies after fertilization. Model A represents cell cycles 1 through 13, and it contains two phases. Model B represents cell cycles 14 through 16, and it contains three phases.
What of the following explains the advantage of a G2 phase during embryonic development?
A Cells can undergo the cell cycle more quickly with a G 2 phase.
B Cells can replicate more DNA with a G2 phase.
C Cells are checked for DNA damage before entering mitosis with a G2 phase.
D Cells are able to produce two new daughter cells with a G2 phase.

Answers

Answer 1

Answer:

C. Cells are checked for DNA damage before entering mitosis with a G2 phase.

Explanation:

G2 phase is very important phase of cell division in which cells are checked for DNA damage before entering mitosis with a G2 phase as well as correct duplication of the DNA is also verified and cell proteins that are necessary for cell division are also produced. This phase comes after S stage in which replication of DNA occurs so this G2 phase check the damages before starting of mitosis.


Related Questions

Touch the stigma and notice how it feels. What is the advantage of this type of texture?
A. The sticky texture allows for capture of prey to help with fertilization
B. The sticky texture allows for the exchange of carbon dioxide to assist with photosynthesis.
C. The sticky texture allows for pollen to adhere to the stigma for fertilization.
D. The sticky texture allows for water molecules to not escape from the plant, thus preventing dehydration.​

Answers

A-Most stigmas are covered with a waxy, sticky substance. This wet substance allows stigmas to provide an important service by re-hydrating dry pollen to prepare the grains to enter the ovary and initiate the process of fertilization.

Hi all!
Pls help me in these 2 simple questions.....
Thanks in advance!

Answers

Answer:

pollination is the transfer of pollen grain from Male part to female part of flower

two types of pollination

1. self pollination

2.cross pollination

it is important for plant existence

All the species classified under the plantar kingdom are

A. Photosynthesis
B. Eukaryotic
C. Multicellular
D. All of the above

Answers

Answer:

i thinks its all of the above

Explanation:

True or false are sun is now the main sequence of its life cycle

Answers

Answer:

Image result for True or false are sun is now the main sequence of its life cycle

The Main Sequence:

The Sun, like most stars in the Universe, is on the main sequence stage of its life, during which nuclear fusion reactions in its core fuse hydrogen into helium. ... For the Sun, this process began 4.57 billion years ago, and it has been generating energy this way every since.

Explanation:

- Eijiro <3

What structure encloses almost all bacteria? Do bacteria have a structure that encloses the genetic material?

Answers

first question - cell well
second question - bacteria do not have a membrane enclosed nucleus. the and of bacterial cells is found loose in the cytoplasm.

If a strand of DNA has the following base sequence, what would the base sequence of the mRNA that is transcribed be?
DNA sequence: TAC CAT GTG AGT AAC CGT CCA ACT
mRNA sequence: AUG GUA CAC

Answers

Answer:

AUG GUA CAC UCA UUG GCA GGU UGA

Which of these landforms would most likely be found at a divergent boundary? A Fault line B Mid-ocean ridge C Volcanic island D Mountain

Answers

Answer:

I think B

Explanation:

Answer: it’s A and C clowns

Explanation:

does anyone know 1,4,5,8?

Answers

Answer:

1. Digestion

4. Replication

5. Interphase

8. 48

Explanation:

9. Generations are the offspring, or progeny, of common_______

Answers

Answer:

the answer is ture that is all

Answer:

first filial generation

Explanation:

please mark me brainlist

hello help please i’ll mark brainliest!!!

Answers

Answer:

Gravity

Explanation:

Just as the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.

It’s due to the pull of gravity :)

please help! i dont really get this at all

Answers

Answer:

The slope between the red points is 2/4 (simplified it is 1/2). The slope between the green points is 4/8 (simplified it is 1/2). This shows that by taking ANY two points on the line, you will find the same slope.

Your friend makes a claim that the image to the right shows facilitated
diffusion. You are an educated Honors Biology student, and you believe
that he/she is incorrect in their claim. Make a claim as to which type of
cellular transport is represented in the image (1 point)State TWO pieces of
evidence from the image that supports your claim (2 points).*

Answers

Answer:

Facilitated diffusion is a type of passive transport of molecules down the concentration gradient between two sides of a membrane which doesn't require ATP and instead uses a specific transmembrane protein.

Active transport requires instead ATP and it is the process drawn in the figure. Moreover the figure illustrates that molecules are moving against their concentration gradient.

Explain the difference between prokaryotes and eukaryotes. Include which type of microorganisms are included in each domain

Answers

Answer:

eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.

Explanation:

What are the 3 most important parts of a seed

Answers

Embryo, endosperm, and seed coat

Answer:

the 3 primary part of a seed are the embryo, endosperm, and seed coat.

expaination:The embryo is the young multicellular organism before it emerges from the seed.

which statment explains how the fossil record supports the theory of evolution?
A. the fossil record shows how organisims have changed from relativly complex organisims to simpler organisims.
B. The fossil record shows how organisims have changed from realatively simple organisims to more complex organisims.
C. The fossil record shows that all organisms are simple organisims.
D. the fossil record shows that all organisims are complex organisims

Answers

B. The fossil record shows how organisms have changed from relatively simple organisms to more complex organisms.

Hope it helps, mate. Good luck! :3

Genetic variation is inherited by offspring.

A. Artificial aelection
B. Natural Selection
C. Both

Answers

Answer:

Both

Explanation:

A person's skin color, hair color, dimples, freckles, and blood type are all examples of genetic variations that can occur in a human population. Examples of genetic variation in plants include the modified leaves of carnivorous plants and the development of flowers that resemble insects to lure plant pollinators. Even though in artificial selection, you take which genes are desired it is still passing genetic variation through offspring.

a structure in a present day organism that no longer served its natural purpose

Answers

Answer:

Vestigial structures

Explanation:

Vestigial structuresserve little or no present purpose for an organism. The human tail, which is reduced to the tailbone during development, is one example.

An organism has many cells, but cannot move. It does not eat food, but cannot perform photosynthesis cither. What kingdom does it belong to?

Answers

Answer:

Explanation:

Kingdom fungi

The organism which has many cells, cannot move and cannot photosynthesize belongs to kingdom fungi

Organisms in kingdom fungi are:

Multicellular organismsHeterotrophsExhibit passive movementEukaryotes

What are multicellular organisms?

Multicellular organisms are organisms which possesses two or more cells. They are described as many celled organisms.

Learn more about multicellular organisms:

https://brainly.com/question/9989716

Diffusion is the movement _____.


of molecules to an area of lower concentration

of molecules through the cytoplasm of a cell

of water through a selectively permeable membrane

of molecules to an area of higher concentration

Answers

Answer:

of molecules to an area of lower concentration

I need help :) I have to determine the traits?

Answers

Answer:

i tried puting how the boxes is but the answer is Rr,Rr,rr

so chice number 3 :)

Rr rr

Rr rr

What are Hox genes?
-Hox genes regulate sex determination in mammals.
-Hox genes regulate flower development.
-Hox genes encode transcription factors that respond to steroids.
-Hox genes encode transcription factors with a DNA-binding domain called a homeo box and regulate development of the vertebrate body plan
- Hox genes are transcription factors that bind to specific DNA sequels called homeodomains
and regulate development of the vertebrate body plan.
Hox genes are transcription factors that bind to specific DNA sequences called
homeodomains.

Answers

Answer:

Hox genes regulate sex determination in mammals.

-Hox genes regulate flower development.

-Hox genes encode transcription factors that respond to steroids.

-Hox genes encode transcription factors with a DNA-binding domain called a homeo box and regulate development of the vertebrate body plan

- Hox genes are transcription factors that bind to specific DNA sequels called homeodomains

and regulate development of the vertebrate body plan.

Hox genes are transcription factors that bind to specific DNA sequences called

homeodomains.

Explanation:

Answer:

Genes that control the overall look of the body

Explanation:

What do plants use to form
glucose?

Answers

Answer: Plants, unlike animals, can make their own food. They do this using a process called photosynthesis . During photosynthesis, plants produce glucose from simple inorganic molecules - carbon dioxide and water - using light energy.

Which two phases do the chromosomes exist as chromatin (unraveled form of chromosomes)?

Answers

Answer:

During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).

Explanation:

Answer:

Prophase is the first step of mitosis. This is when the genetic fibers within the cell’s nucleus, known as chromatin, begin to condense and become tightly compacted together. During interphase, the parent cell’s chromosomes are replicated, but they aren’t yet visible.

Explanation:

please thank rate and follow THis is the right answers

This dichotomous key helps scientists classify within the arthropoda phylum. If scientists discover an organism with: less than 10 legs, 6 legs, wings, wings with 1 or 2 colors, with legs that are approximately the same length, wings that are not net-like, and wings that meet in a straight line down the back, how would this organism be classified?

Answers

You'll have to follow the dichotomous key that's provided to you. Start by choosing less than 10 legs, then choose 6 legs, then with wings, then wings with 1 or 2 colors... etc. You should end up identifying an organism this way.. following the path.

How can you turn off an electromagnet?
A. disconnect the electric circuit. B.Straighten out the wire. C.Take out the Iron box D.you cannot turn off the electromagnet.​

Answers

Answer:

A.DISCONNECT THE ELECRRIC CIRCUIT

What is the goal of mitosis?
1. to create two daughter cells that are identical to the parent cell
2. for one daughter cell to create a new, identical daughter cell
3. cell growth
4. to split the cell’s chromosomes evenly between two daughter cells

Answers

Answer:

1

Explanation:

because mitosis is a process where a single cell divides into two identical daughter cells

PLEASE HELP!! EASY POINTS!! WILL MARK BRAINLIEST!!!!!!

Explain what happens to a cell as it enters the cell cycle and goes through the process of
MITOSIS. Tell what happens to the cell at each part of the cell cycle starting at
Interphase, then the stages of Mitosis (PMAT) and ending at Cytokinesis. (This should be
a longer response than one sentence!!)

Answers

Answer:

The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.

Explanation:

During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.

Scientists say the planet Venus has a "runaway greenhouse effect." What condition would you expect on Venus as the result of a runaway greenhouse effect?

A. The planet is extremely windy.
B. The planet is extremely watery.
C. The planet is extremely cold.
D. The planet is extremely hot.

Answers

I say A not for sure though!
Answer: A. The planet is extremely windy.
Explanation: I hope this helps you !

What happens during fermentation?

Answers

Answer:

Fermentation, chemical process by which molecules such as glucose are broken down anaerobically. More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old.

Explanation:

Hope that this helped you :D

(50 points) + Brainliest
Select the correct location on the image.
In pea plants, white seed coat is a recessive trait and gray seed coat is a dominant trait. Which offspring have a white seed coat?

Answers

the bottom right corner of the F2 generation

since the white seed coat is recessive, there needs to be 2 of the recessive alleles for the offspring to have the white seed coat
the offspring gg is the only one that has 2 recessive alleles.
The bottom right corner of F2 generation.

Since the white seed coat is recessive, there needs to be 2 of the recessive alleles for the offspring to have the white seed coat the offspring gg is the only one that has 2 recessive alleles.
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