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Andrei [34K]
2 years ago
9

4. State the use of scales to the body of a fish?​

Biology
1 answer:
Leno4ka [110]2 years ago
6 0

Answer:

nice work

Explanation:

Most are ectothermic and covered with scales. Scales protect fish from predators and parasites and reduce friction with the water. Multiple, overlapping scales provide a flexible covering that allows fish to move easily while swimming.19 Mar 2020

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A plasmid 41 twists and 6 right handed writhes. What is the Lk for this plasmid?
OLEGan [10]

Answer: Lk for this plasmid = 47

Explanation:

The formula to compute Lk is given by :-

Topological Linking Number (Lk): Twist (Tw) + Writhe (Wr)

Given: A plasmid 41 twists and 6 right handed writhes.

i.e. Twist (Tw) = 41   , Writhe (Wr) = 6

Then, Topological Linking Number (Lk) for this plasmid :  = 41+6

= 47

Hence, the Lk for this plasmid = 47

3 0
2 years ago
How does solid rock become soil
kicyunya [14]
The moment it is exposed into the environment
5 0
3 years ago
Read 2 more answers
How does the hypothalamus monitor water in the body?
krek1111 [17]

Answer:

The correct answer will be option-C.

Explanation:

Hypothalamus is a part of the brain which controls many important functions of the body by producing hormones.

When the amount of water gets reduced in the blood, it leads to a change in the osmolarity which can be easily detected by the osmorecpetors present in the neurons of the hypothalamus.

In response, neurons secrete Anti-diuretic hormone in the blood which acts in the tubules of the kidney where they help in re-absorption of the water from the body.

Thus, Option-C is the correct answer.

7 0
3 years ago
Pls help w 7, 8, 9, and 10
andrey2020 [161]

Answer:

7. B

8. C

9. B

10. I cant see all anwers but it is not A or C either B or D.

Explanation:

5 0
3 years ago
drag each label to the correct location on the image label the steps of protein synthesis and the organelles involved in each st
Leni [432]
<h2><u>A</u><u>nswer:</u></h2>

<u>Translation:</u> process of protein formation is called translation .

In the process of translation, a cell reads information from a molecule called a messenger RNA  and uses this information to build a protein.  Translation involves “decoding” a messenger RNA  and using its information to build a polypeptide, or chain of amino acids .

Translation involve three major steps

• Initiation ("beginning"): in this stage, the ribosome gets together with the mRNA and the first tRNA so translation can begin.

• Elongation ("middle"): in this stage, amino acids are brought to the ribosome by tRNAs and linked together to form a poly peptide chain.

•Termination ("end"): in the last stage of translation, the finished polypeptide is released to go and do its job in the cell.

<u>Organelles involve in translation:</u>

Ribosomes: main process of translation occour at ribosomes.

Rough endoplasmic reticulum: ribosomes are located on rough endoplasmicreticulum .it bound proteins in the vesicles.Vesicles containing proteins are budded off into cytoplasm and move toward golgi apparatus for further modification .

Golgi apparatus: synthesisezed proteins are not functional . In golgi apperatus they are further modefied and processed and stored for a short time and then released toward destination.



3 0
3 years ago
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