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Musya8 [376]
3 years ago
14

Which group of organisms is most closely related to Archeabacteria?

Biology
2 answers:
Nat2105 [25]3 years ago
7 0
The answer is D for the answer 
Nataliya [291]3 years ago
6 0
Protista organisms are most closely related to Archeabacteria.
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The structure and function of specialised cells in multicellular organisms are different. Explain why this is possible if they a
NISA [10]

Answer:

<h2>Differential gene expression </h2>

Explanation:

1. Cell specialization occurs due to the differential gene expression, it is the process which is responsible for the production of cells with different traits at different positions and at different time. This process changes cells  from simple to more specialized in  both structure as well as in function. This is all due to the differential gene expression where all cells beside containing the same gene, express different genes in different cells.

2. Cell differentiation is very important among almost all multicellular organisms. This process results in the  formation of a complex organism with different types of tissues and cells from a zygote.

8 0
3 years ago
Artificial selection is an organism, cell, or piece of genetic material that is genetically identical to the one from which is w
mrs_skeptik [129]
False because it is not artificial selection it is DNA
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3 years ago
Which of the following cell structures is responsible for protein synthesis?
AfilCa [17]

Answer:

A. Ribosomes is the answer

7 0
2 years ago
Read 2 more answers
Transport proteins play a role in both?
Alex Ar [27]

Answer:

Transport proteins play a role in both active and passive transport to move molecules across the plasma membrane

3 0
3 years ago
At a basic level mitosis and meiosis are similar processes. However, they have very different outcomes. Which of the following s
Dafna1 [17]

Answer: C. Homologous chromosomes are separated in meiosis but not in mitosis.

Explanation: There are two main types of division that take place in eukaryotic cells, mitosis, and meiosis. Mitosis is the type of division that is used for growth, repair, and replacement of tissues. Therefore it is not necessary that the cells have  different chromosome numbers or are varied genetically in the daughter cells in the case of mitosis.

Meiosis is the division that takes place to form the gametes for sexual reproduction. It is important in the first stages of meiosis I, to introduce variation and to halve the chromosome number.

Chromosomes numbers are halved (from 46 to 23) during meiosis I because the gametes (sperm and egg) come together and fuse during fertilization to form a zygote. When this fusion occurs (23 from the zygote and 23 from the egg), the chromosome number needs to be returned to that of the parent cell (46).

<h2>Genetic variation is introduced during synapsis which only occurs in meiosis, not mitosis. Homologs exchange genetic information during crossing over of synapsis. Entire chromosomes also separate during meiosis I. </h2>

At the end of meiosis, four genetically unique cells are  produced with half the number of chromosomes as the parent cell (23 cromosomes) . After the process of mitosis is completed, two cells genetically identical to each pther are produced and have the same number of chromosomes as the parent cell (46 cromosomes).

Genetic variation is actually important because of changing environmental conditions.

6 0
3 years ago
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