Answer: the correct answer is C
Explanation:
Preventing the formation of spindle fibers makes the mitotic division stop in metaphase, and thus fail to proceed to anaphase.
• Colchicine prevents the polymerization of the microtubule, and thus, prevents the arrangement of the mitotic spindle, which shows the prevalence of another checkpoint in the cell cycle.
• As a result, the activity of the maturation promoting factor remains high, the chromosomes stay condensed, and the nuclear envelope fails to redevelop.
• A toxic effect is exerted on the living cells by the colchicine, which usually results in the arrest of the process of mitosis at an eventual stage, generally the metaphase, with the generation of unusual and bizarre nuclear configurations, and thus, resulting in the death of the cell.
Thus, the correct answer is option C.
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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
Answer:
of molecules to an area of lower concentration
All the species classified under the plantar kingdom are
A. Photosynthesis
B. Eukaryotic
C. Multicellular
D. All of the above
Answer:
i thinks its all of the above
Explanation:
does anyone know 1,4,5,8?
Answer:
1. Digestion
4. Replication
5. Interphase
8. 48
Explanation:
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.
Answer:
A.DISCONNECT THE ELECRRIC CIRCUIT
True or false are sun is now the main sequence of its life cycle
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
Explain the difference between prokaryotes and eukaryotes. Include which type of microorganisms are included in each domain
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:
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.
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
Answer:
I think B
Explanation:
Answer: it’s A and C clowns
Explanation:
Cells with half the usual number of chromosomes are called
A) Diploid
B) Ploidful
C) Half Ploid
D) Haploid
An organism has many cells, but cannot move. It does not eat food, but cannot perform photosynthesis cither. What kingdom does it belong to?
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 movementEukaryotesWhat 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:
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Why are healthy bodies of water important to our Earth as a system?
Answer At heart, all life on Earth uses a membrane that separates the organism from its environment.
Answer:
At heart, all life on Earth uses a membrane that separates the organism from its environment. ... In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment
Explanation:
Put this In a simpler form
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).*
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.
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.
What structure encloses almost all bacteria? Do bacteria have a structure that encloses the genetic material?
What are the 3 most important parts of a seed
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 two phases do the chromosomes exist as chromatin (unraveled form of chromosomes)?
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
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
Answer:
AUG GUA CAC UCA UUG GCA GGU UGA
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
Answer:
1
Explanation:
because mitosis is a process where a single cell divides into two identical daughter cells
I need help :) I have to determine the traits?
Answer:
i tried puting how the boxes is but the answer is Rr,Rr,rr
so chice number 3 :)
Rr rr
Rr rr
a structure in a present day organism that no longer served its natural purpose
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.
Genetic variation is inherited by offspring.
A. Artificial aelection
B. Natural Selection
C. Both
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.
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.
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:
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
B. The fossil record shows how organisms have changed from relatively simple organisms to more complex organisms.
Hope it helps, mate. Good luck! :3
What happens during fermentation?
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
please help! i dont really get this at all
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.
(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?
hello help please i’ll mark brainliest!!!
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.
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!!)
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.
What do plants use to form
glucose?
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.
Hi all!
Pls help me in these 2 simple questions.....
Thanks in advance!
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