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adoni [48]
3 years ago
14

Compare the external structure of the mammalian skin with that of the epidermis of a leaf.

Biology
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

<em><u>Mammalary skin</u></em>

Skin is layered

Have hairs on it.

Acts as protectector

not so hard as epidermal

<em><u>Epithelial</u></em>

Can be layered

Dont have hair

Acts as protective layer also supports plants

Its hard

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Opsins are proteins that are found in the light-sensing cells in the human eye. Different opsin proteins are sensitive to differ
Zepler [3.9K]

Answer:

Women who carry one copy of the mutated gene still have normal color vision because they have another copy, which is not mutated, in the other X chromosome that will be the dominant one. As a result, the women are carriers of the mutated gene but not color blind.

Explanation:

Colorblindness is a sex-linked mutation. A woman has two X chromosomes, while a man has one X chromosome and one Y chromosome. The mutated gene that causes color blindness is on the X chromosome, and it is OPN1LW. So if a woman has one mutated OPN1LW in one of her two X chromosomes, the OPN1LW gene in the other X chromosome will be the dominant one stopping the woman from being colorblind.

In the case of men, as they only have one X chromosome, if there is a mutation on the OPN1LW in the X chromosome, the men will be colorblind because there is no extra copy of the gene, as it is in women.

6 0
3 years ago
Although both ends of a microtubule can gain or lose subunits, one end (called the plus end) polymerizes and depolymerizes at a
Tems11 [23]

Answer:

I would probably say (a) kinetochore microtubules

6 0
3 years ago
Alligators, crocodiles, and snakes are all reptiles. However, alligators are more closely related to snakes. Which statement MOS
Delvig [45]
Are there any statements given for this assignment? Because according to what I know, alligators and crocodiles are more related to birds because of archosaurian origins. However, crocodiles are more closely related to birds than snakes because the evolution of birds  from having snouts to beaks are slightly evident in crocodiles for they have more pointly snouts. 
4 0
3 years ago
A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W
Arlecino [84]

<u>Answer</u>:       D. calcium chloride

<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>

<u>Explanation:</u>

<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>

It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>

They are produced from organic materials. <em>Calcium chloride contains the chloride ion and calcium ion,</em> as the chloride ion easily passes the artificial membrane so we can term <em>calcium chloride as the mystery membrane that passes the artificial membrane easily.</em>

5 0
3 years ago
If I am going up the concentration gradient, am I going from: *
Zigmanuir [339]

Answer:

Low concentration to high concentration

Explanation:

If moving up the concentration gradient, you will start detecting the chemical molecules more and more frequently.

6 0
3 years ago
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