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omeli [17]
2 years ago
12

What are details/evidence of a Prokaryotes? please help and thank you.​

Biology
2 answers:
kifflom [539]2 years ago
7 0

Answer:

Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall. Many also have a capsule or slime layer made of polysaccharide. Prokaryotes often have appendages (protrusions) on their surface.

IgorC [24]2 years ago
5 0

What is the evidence of prokaryotes?

Scientists have concluded that prokaryote life forms preceded the more complex eukaryotes. All organisms on Earth are classified into two basic cell types. "Kary" means nucleus. "Pro" means "before," and prokaryotes have DNA in a freely floating ring that is not encased in a nucleus.
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Why are there species instead of a continuum of various animals?
melamori03 [73]
Because evolution itself is a very slow process. Having said that, the chance of having a continuum of various animals would mean that evolution would have progressed very fast. Because evolution is slow, different species establish themselves for different ecological niches and environments, this enables them to become better through time at a certain environment which then leads to eventual diversification in the number of species. 
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3 years ago
Explain what incomplete dominance is
Schach [20]

Answer:

Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the effects of a recessive allele, and the organism ’s resulting physical appearance shows a blending of both alleles. It is also called semi-dominance or partial dominance. One example is shown in roses.

Explanation:

6 0
2 years ago
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In a swampy marshland, there can be frogs, turtles, snakes, alligators.
victus00 [196]

Answer:

Before discussing more about freshwater swamp forests, we need to know in ... Animals that live in swamps include alligators, amphibians, shellfish, bears and panthers. ... and cypress knobs provide a rich, sheltered habitat for nesting birds, as well as ... All kinds of amphibians (frogs, toads and salamanders) can be found.

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8 0
2 years ago
2. Suppose that you and 19 of your classmates (giving a final population of 10 males and 10 females) are on a cruise, and your s
Trava [24]

Answer:

0.25%

Explanation:

20 people start the new population. So there are 20 genes or 40 alleles for the recessive disorder phenylketonuria. 2 out of 40 alleles are recessive for the condition hence frequency of the allele = 2/40 = 0.05

Frequency of the allele does not change when the population increases so it is in Hardy-Weinberg equilibrium. According to it, if q is the frequency of recessive allele, q² = frequency of the recessive condition

Here, q = 0.05 So,

q² = (0.05)² = 0.0025

In percentage, it is 100 * 0.0025 = 0.25%

Hence, incidence of phenylketonuria in the new population is 0.25%

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3 years ago
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