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Vladimir79 [104]
3 years ago
12

When

Biology
1 answer:
kolezko [41]3 years ago
4 0
When E. coli cells produce the amino acid tryptophan, a cluster of five genes is transcribed together. This cluster of genes is referred to as the <span>trp operon.</span>
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Your respiratory muscles contract each time you exhale.<br><br><br> TrueFalse
Virty [35]
False,your respiratory muscle expand each time when you exhale.
6 0
4 years ago
Rank these reactions from least to most energetically favorable.
mafiozo [28]

Answer:

From least to most energetically favorable, the reactions are:

Glucose to Glucose-6-P (least) ; Glucose-6-P to Fructose-6-P; ATP to ADP and Pi; PEP to pyruvate (most favorable)

Explanation:

ΔG represents the free energy change that occurs during a chemical reaction. A reaction with negative free energy change is exergonic and spontaneous. Negative free energy change represents the fact that reactants have more free energy than products. The excess of the energy is released during the reaction and makes it a spontaneous process.

q`On the other hand, a reaction with positive free energy change is endothermic and non-spontaneous. These thermodynamically unfavorable reactions are coupled with other exergonic reactions to make them occur.

Among the given example, PEP to pyruvate has the highest negative free energy change (−14.8 kcal/mol) and therefore, is energetically most favorable. On the other hand, "Glucose to Glucose-6-P" has the highest positive free energy charge (+3.3 kcal/mol) making it energetically the most unfavorable reaction.  

6 0
3 years ago
If europhication continues what will eventually happen to the lake and the surrounding area
Sidana [21]
Then the submerged aquatic plants will note be able to receive light for photosynthesis. then those submerged aquatic plants will not have food/nutrients to survive, hence die. aquatic animals will not receive sufficient oxygen from those submerged aquatic plants, hence die also.
decomposes will breakdown all dead organisms to release carbon dioxide, and also deplete oxygen concentration during decomposition process.

eventually, habitat is rendered not livable. only the algae continue to proliferate uncontrollably at the water body surface.
7 0
3 years ago
Assigning humans to discrete categories based on common ancestry is known as ______ and was once a main way that scientists stud
Ne4ueva [31]

Answer: Racial classification

Explanation: Racial classification can be defined as the way humans are classified based on their physical and social traits which they have such as how they look, their skin color, hair texture, the native languages they speak.

Scientists used racial classification to learn how unique and different humans are.

7 0
3 years ago
1. You are studying an evergreen tree that produces cones. The tree is a(n)
arlik [135]
The sporophyte produces
cones, an evergreen tree
4 0
3 years ago
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