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HACTEHA [7]
2 years ago
14

Why fish have smooth scales on their body​

Biology
2 answers:
melomori [17]2 years ago
6 0

Answer: Scales protect fish from parasites as well as predators and reduce friction with the water. Scales also provide a flexible covering for a fish allowing it to move easily while swimming.

Explanation:

Makovka662 [10]2 years ago
5 0

Answer:

Explanation:

Fish have scales for many reasons. Firstly, to protect the skin of the fish from attacks from predators, parasites and other injuries. Secondly, scales overlap each other in the same way that an armour would protect a person. Hence, providing a layer of protection for the fish.

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A wolf's diploid number of chromosomes is 78. How would the number of chromosomes in the wolf's body cells compare to the number
dimulka [17.4K]

Answer: The number of chromosomes in the wolf's body cells is 78 while the gametes has 39

Explanation:

Since each body cell under only mitosis to yield two daughter cells with equal number of chromosome as the parent cell (i.e diploid number, 2n) while sex cells undergo meiosis to yield four daughter cells with half the number of chromosomes as the parent cell (i.e haploid number, n); thus, the wolf's body cells has 78 chromosomes while the gametes has 39 chromosomes.

7 0
3 years ago
the endoplasmic reticulum (er) serves as a the endoplasmic reticulum (er) serves as a protein shuffle transpiration area transpo
lutik1710 [3]

Endoplasmic reticulum serves as transpiration area. The correct option is B.

<h3>What is endoplasmic reticulum?</h3>

The endoplasmic reticulum (ER) is a large, dynamic structure in the cell that performs numerous functions such as calcium storage, protein synthesis, and lipid metabolism.

The ER's various functions are carried out by distinct domains, which include tubules, sheets, and the nuclear envelope.

The endoplasmic reticulum can be smooth or rough, and its function is generally to produce proteins that allow the rest of the cell to function.

Ribosomes, which are small, round organelles that make proteins, are found in the rough endoplasmic reticulum.

Thus, the correct option is B.

For more details regarding endoplasmic reticulum, visit:

brainly.com/question/13118914

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3 0
1 year ago
Question 1
Natali [406]

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Explanation:

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Help <br> Nucleic acid <br> Certain protein<br> Cell membranes<br> Certain carbohydrates
viktelen [127]
Certain Protiens, amino acids form protiens
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