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NNADVOKAT [17]
3 years ago
5

Prokaryotic DNA is enclosed within a nucleus, while eukaryotic DNA is not.O TrueO False​

Biology
1 answer:
blagie [28]3 years ago
3 0

Answer:

False

Explanation:

Prokaryotes do not have a nucleus.

This means their DNA is not enclosed in a nucleus and instead is in the cytoplasm.

On the other hand, eukaryotes have nuclei, so their DNA is enclosed within a nucleus.

So, this statement is false.

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Ninhydrin is used on a latent print to detect
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I think it is D I’m not sure
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2 years ago
The collapse of fisheries is most noticeable among the smaller fish that are consumed by larger predatory fish, such as sharks a
kakasveta [241]

Answer:

The correct answer is: False.

Explanation:

  • A Fishery collapse can be defined as the condition in which the composition of different species of fishes forming a food chain or a food web and located in a marine or aquatic community undergoes a drastic alteration.
  • The alternation can be caused due to environmental or anthropological factors.
  • A fishery collapse usually affects the larger fish population like sharks and tuna as their commercial and economic demand is higher.
  • Excessive fishing cause the population of the large fishes to decline without affecting the small fish population.
  • This is because the small fishes do not have high economic or commercial demand, hence they have very less probability of being angled or captured.
8 0
3 years ago
Which substance is considered a building block for all living things?
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Answer:

Cells

Explanation:

all living things are made up of one or more cells

8 0
3 years ago
In E. coli protein synthesis, the initiation complex contains
Ksenya-84 [330]

Answer:

The correct answer will be option-C.

Explanation:

The process of translation in prokaryotes is complex process and proceeds in three steps: initiation, elongation and termination.

1. Ribosomal subunits: 50S (5S and 23S subunit) and 30S (16S and proteins).

2. Initiation factors: IF1, IF-2 and IF-3 which help in the formation of assembly.

3 GTP: guanosine triphosphate as a source of energy.

4. Charged tRNA: with N-formylmethionine is the first amino acid.

5. mRNA: the RNA to be translated.

Since the option contains both 50S and 16S components of ribosome thus, Option-C is the correct answer.

7 0
3 years ago
The partial pressure of oxygen at a particular point in the bloodstream is 100 mm Hg. Under what circumstance will there be a ne
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Answer:

c. There will be a net diffusion of oxygen from the water into the bloodstream only if the partial pressure of oxygen in the water is greater than 100 mm Hg

Explanation:

Diffusion involves the movement of molecules from the region of higher concentration to the region of lower concentration. If the molecules are gas molecules, they will diffuse from the region of higher pressure to the region of lower pressure.

Hence, for net diffusion to occur from the water to the bloodstream, the partial pressure of oxygen in water must be higher than the partial pressure of oxygen in the bloodstream.

<em>Since the partial pressure of oxygen in the bloodstream is 100 mm Hg, then the partial pressure of the gas in water must be more than 100 mm Hg in order for net diffusion to occur from water to the bloodstream.</em>

3 0
3 years ago
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