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Svetllana [295]
2 years ago
6

Multiple choice question

Biology
2 answers:
Evgesh-ka [11]2 years ago
7 0

Answer:

a chain of amino acids makes a protein

iVinArrow [24]2 years ago
5 0

Answer: the correct answer is (b) amino acids

Explanation:

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If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end o
Ilia_Sergeevich [38]

Answer:

20 chromosomes

Explanation:

Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.

In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.

Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.

4 0
3 years ago
A man with Type A blood has a child with a woman with Type B blood. The child is Type O. What are the genotypes of the parents?
steposvetlana [31]
It would be AO and BO this would be the only one with a change of Type O blood the others do not have any chance
5 0
3 years ago
Which statement describes the formation of a protein molecule?
Dovator [93]
First, we can eliminate 2 options. The simple unit of protein is amino acid, instead, the simple unit of fat and lipids are fatty acids and glycerol, therfore we can eliminate option A and D because fatty acids does not exist in protein.
Now we are left with B and C. To solve that, we need to understand that protein is made of a chain of amino acids, a lot of amino acids are chemically combined and cannot be broken down unless the use of enzymes. Amino acid are actually the monomers that forms protein.
Therefore, the answer is C. amino acid combine to form a protein chain.
3 0
3 years ago
Radiolarians have a cell wall made of
murzikaleks [220]
<span>Radiolarians have a cell wall made of .....
According to </span>
 https://microbewiki.kenyon.edu/index.php/Radiolaria <span>
"</span>
Radiolaria are unicellular organisms. They have mineral skeletons (tests) that are composed of silica. The tests are formed through the absorption of silicon compounds. This skeleton is covered with cytoplasm, which is withdrawn if the organism is disturbed."
There cell wall is made of according to another website
...
<span> "Radiolaria....have cell walls made up of thick cellulose walls"
Hope this helps:)
@SamSamySamantha
</span>

4 0
3 years ago
Which of the following is a scientific observation about the bird pictured
Musya8 [376]

Answer:

B. the long beak helps the bird eat insects.

7 0
2 years ago
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