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olga_2 [115]
2 years ago
6

Which is a role of photosystem l in the light reactions?

Biology
1 answer:
OlgaM077 [116]2 years ago
8 0
B . to supply energy for splitting the water molecules
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Follicle cells in your scalp assemble proteins to build new hair. This most likely involves __________ reactions.
Zarrin [17]

Follicle cells in your scalp assemble proteins to build new hair. This most likely involves dehydration synthesis reactions.

Dehydration synthesis forms a peptide bond between amino acids and releases a water molecule. Amino acids connected via peptide bonds form a polypeptide chain, which then chemically interact with other polypeptides in order to create a complex three-dimensional structure of the protein.

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3 years ago
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3. Does your skate park playground ramp design support the law of conservation of energy? Use
nlexa [21]

Skate park is a good example that maintains the law of conservation as skater neither creates nor destroys energy.

Explanation:

As per the law of energy conservation, energy cannot be created nor can be destroyed but it’s form can definitely be changed. This theory can be well justified by the example of skate park playground. According to the rules of this law a skater can never go high more than 2 meters on the ramp’s other side because it has that gravitational energy potential.  

With every drop of the skater on the ramp the potential energy of the skater changes into kinetic energy. This two sides of the law justifies the fact that skate playground should be designed in such a way that it supports the law of conservation of energy.

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3 years ago
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How many amino acids are necessary for the human body to function properly?
Aleksandr-060686 [28]

Answer:

b, 8-10

Explanation:

your body needs 20 amino acids to grow, repair and function, however, only nine amino acids are 'essential' as such.

they are histidine, valine, isoleucine, methionine, phenylalanine, threonine, tryptophan, leucine, and lysine

hope this helps! :)

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2 years ago
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Name three types of gene mutations ​
Rudik [331]
Base substitutions, deletions and insertions.
8 0
3 years ago
#8 - The Genetic Code<br> 18. How many amino acids are involved in the production of proteins?
Phoenix [80]

Answer: 20 amino acids

Explanation:

The Genetic code permits the triplet nature of codons whereby three nucleotides from Adenine, Uracil, Guanine and Cytosine on the messenger RNA (mRNA) join to form 64 codons.

Since more than one codon can specify for an amino acid, the 64 codons then specify for 20 amino acids, that then form the sequence of various proteins

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3 years ago
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