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s344n2d4d5 [400]
3 years ago
6

Explain why chlorophyll is an essential molecule for life on earth.

Biology
1 answer:
Fiesta28 [93]3 years ago
8 0

Chlorophyll is an important bio molecule. It is critical in photosynthesis, which allows plants to absorb energy from light. It plays an important role in making plants green and healthy. It also has vitamins and helpful properties that may benefit your body. It could eliminate fungus in the body, or detoxify your blood.

Hope this helps!

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Chymotrypsin, trypsin, and elastase are digestive enzymes called serine proteases. The serine proteases differ in substrate spec
vodka [1.7K]

Answer:

Explanation:

1. charge in trypsin

: two other molecules in elastase

2. Chymotrypsin cleaves peptide bonds after bulky or aromatic side chains, such as those of the amino acids phenylalanine or tyrosine. The specificity pocket, or substrate-binding site, is deep and has hydrophobic side chains.  

Trypsin cleaves peptide bonds following basic amino acid side chains. Lysine and arginine both have basic amino acid side chains that are positively charged at pH 7. Trypsin's substrate-binding site contains a negatively charged amino acid residue.

Elastase cleaves peptide bonds after amino acids with small side chains, such as glycine, alanine, or valine. The specificity pocket for elastase has bulky side chains that block larger amino acid side chains, but can accomodate smaller side chains, such as the -H, -CH3, and -CH(CH3)2 side chains of glycine, alanine, and valine, respectively.

3. Their binding pockets

  • trypsin = long & (-) D on bottom
  •  chymotrypsin = deep & wide
  • elastase = aliphatic a.a. = shallow

6 0
3 years ago
Answer to what type of arthropod appendage is comprised of a single series of segments attached end-to-end, rather than branchin
Rus_ich [418]
 The uniramous type of t<span>he </span>appendages<span> of </span>arthropods are comprised of a single series f segments attached end-to-end, rather than branching into two. The other type of arthropod appendages are biramous. The biramous limb <span>branches into two, and each branch consists of a series of segments attached end-to-end.</span>
4 0
3 years ago
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Genes a, b, and c are known to be in that linear order in an organism. A testcross is done that yields 20 double crossover proge
larisa [96]

Answer:

Explanation:

The observed frequency of the double crossovers (DCOs) is 20/1000, or 0.02. If there is no interference then this will be the same as the expected, which is just the product of the single crossover frequencies, that is, SCO frequency (a-b) x SCO freq. (b-c) = 0.02.

(a) Any combination of map distances whose product (a-b) x (b-c) = 0.02 is possible. However, three are most likely:

a 20 mu b 10 mu c

a 10 mu b 20 mu c

a 14.14 mu b 14.14 mu c

(b) The distances would be exactly the same.

(c) The expected number of DCO progeny would be 17.

4 0
3 years ago
If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?
Ronch [10]

Answer:

If one plant is named Salvia greggii and another is named Salvia vanhouttei, what this tells me about these plants is that they belong to the same genus and to different species. If you remember from your biology classes, genus always has the first capital letter, and species is all in lower case.

Explanation:

5 0
2 years ago
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Explain how humans would benefit from replacing fossil fuels with geothermal energy.
drek231 [11]

Answer:

There are many advantages of geothermal energy. It can be extracted without burning a fossil fuel such as coal, gas, or oil. Geothermal fields produce only about one-sixth of the carbon dioxide that a relatively clean natural-gas-fueled power plant produces. Binary plants release essentially no emissions.

Explanation:

3 0
3 years ago
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