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-Dominant- [34]
3 years ago
13

How are organelles in a prokaryotic cell different from those in a eukaryotic cell

Biology
1 answer:
Sergeu [11.5K]3 years ago
4 0
Eukaryotic cells contain membrane-bound organelles, including a nucleus.

Prokaryotic cells do not contain a nucleus or anyother membrane-bound organelle.
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What is respiratory substrate? Name the respiratory substrate.
Kryger [21]

Answer:

Glucose, for your regular cellular respiration

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The start of celllular respiration is glycolysis breaking down glucose. It usually is glucose, but lipids, carbohydrates, and proteins can be used too.

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2 years ago
The ABO locus for blood typing consists of three alleles, A, B and i. An analysis the ABO blood types in the population of the P
kramer

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2 years ago
What kind of mutations were more beneficial ? Why ?
Alex
A mutation is a permanent change in the DNA sequence of a gene. This can be beneficial if the change gives a new function to or improves the function of that gene. 

<span>The above is a definition. But one must really define "beneficial". Some regard it as beneficial if it helps the specific individual who has it. Others would think it beneficial if it produced some survival advantage that insured more descendents for that individual. </span>

<span>It is the difference between a mutation that allowed for greater athletic ability, but a decreased desire for offspring, versus a more moderate athletic enhancement, but a greater desire for offspring. </span>

<span>The small percentage of ways to improve an organism, versus the near infinite ways of harming the organism, mean that most mutations are not going to be beneficial. At best, they will be "inconsequential" - such as a new shade of eye color, or a mole on a section of your skin. </span>

The populist notion of "powers" that can come from mutations is wildly inaccurate. Even assuming a minor power like the ability to see infra red radiation would take thousands upon thousands of mutations over vast amounts of time. A mutation for blindness is far more likely.

<span>It should also be noted that the traditional model of evolutionary theory no longer applies to man. We don't allow changes in our environment, and without such changes, there is no need for one trait more than another to predominate. After all, it is irrelevent that a mutation might allow for greater speed in running, when everyone drives a car.</span>
4 0
3 years ago
balance the following chemical equation making sure to apply the principle of the law of conservation of mass​
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Answer:

2Zn+ 4HCl=2ZnCl2 +2H2

CH4+2O2=CO2+2H2O

Fe + 3NaBr=FeBr3+3Na

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3 years ago
In what kind of star system does one star sometimes block the light from another?
Romashka [77]
I think the answer is 3 or 2 i
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2 years ago
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