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Mademuasel [1]
4 years ago
12

a leaf cell has a very low concentration of salt. What would happen to a leaf cell if it were placed in a highly concentrated sa

lt solution?
Biology
1 answer:
Travka [436]4 years ago
4 0

Answer:

When a leaf is placed in a solution whose salt concentration is higher than the salt concentration of the leaves, the water with in the leaves shall move out of the leaves due to the osmotic pressure gradient. This will cause the plant cell devoid of water thereby leading them to shrink and wilt.

Explanation:

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All northern elephant seals come from a very small genetic pool. This is because in the 1890s a large number of them were very q
Mashcka [7]

Answer:

b. the bottleneck effect.

Explanation:

The bottleneck effect occurs when a population's size is reduced for at least one generation. This will result in a very reduced genetic variation, which can lead to further adaptation problems.

The Founder effect has its similarities (in terms of the resulting reduced genetic pool) with the bottleneck effect, BUT it occurs when a new colony is started by a few members of the original population.

The Hardy-Weinberg equilibrium is a principle in population genetics that states that the genetic variation in a population will remain constant from one generation to the next IF certain conditions are present (no migration, aleatory mating, among others), so this is not the answer.

Genetic drift (refers to the change in the frequency of an existing gene variant in a population due to random sampling of organisms, so it is not the answer.

7 0
3 years ago
What is true of all eukaryotic organisms
Bess [88]

Answer:

An organism with complex cells, or a single cell with complex structures, is referred to as a eukaryote. The genetic material in these cells is arranged into chromosomes in the nucleus. Eukaryotes include animals, plants, algae, and fungi.

Explanation:

Hope This Helps! :)

3 0
3 years ago
Are fermentation reactions intracellular or extracellular? Explain.
kenny6666 [7]

Answer: Yes.

Explanation:

Fermentation is a general term denoting anaerobic degradation of glucose or other organic nutrients in various products to obtain energy in the form of ATP. Fermentation occurs when, after glycolysis, the Krebs cycle is not performed, because the organism does not have it or because this pathway is blocked, such as during hypoxia (lack of oxygen). Fermentation is a process used by bacteria to obtain energy, does not use oxygen and occurs in the cytoplasm of cells, ie an intracellular process, and each step is catalyzed with the help of different enzymes.

Some industries use this process in the production of some products, known to all of us, such as:

1. yogurt is produced by the famous lactic fermentation, where bacteria called lactobacilli to produce lactic acid.

2. bread and beer are produced by alcoholic fermentation, where the fermentation is carried out by fungi (facultative anaerobic), which ultimately produce alcohol;

3. vinegar to that produced by acetic fermentation, which consists of a chemical reaction, where partial oxidation of ethyl alcohol occurs, obtaining acetic acid.

4 0
3 years ago
Glutamic acid is probably the amino acid manufactured by fermentation in the greatest quantity. what is its major use? as a flav
Artemon [7]
<span>Answer: As a flavor enhancer </span>

Glutamate is known to be one of the most free amino acid in bacteria cytoplasm and it is present   in many proteins, tissues and peptides. This amino acid is produced in the body and binds with other amino acids to form a structural protein. However, glutamate is commonly used as flavor enhancer in foods and enhance the savory flavors impacted by glutamic acid.

7 0
3 years ago
Which of the following best describes an event during step 2 in the simplified model above?
Vinil7 [7]

Answer:

Option D, non-coding sequences are removed from a newly synthesized RNA molecule

Explanation:

Please see the attachment

7 0
4 years ago
Read 2 more answers
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