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kupik [55]
3 years ago
6

Scientists discover more than ten thousand new species of living organisms every year. What is shared between all of these organ

isms? A. They are made of cells, whose nuclei enclose their DNA. B. They obtain their energy from sunlight. C. They produce and use adenosine triphosphate (ATP). D. Their genome contains at least 1000 genes. E. All of the above.
Biology
1 answer:
lara [203]3 years ago
7 0

Answer:

C. They produce and use adenosine triphosphate (ATP).

Explanation:

ATP is the energy currency for the cells of all living beings. It is produced by aerobic or anaerobic respiration in both prokaryotes and eukaryotes. Complete or incomplete oxidation of nutrients obtains ATP. ATP is used by cells to perform all the vital functions. ATP synthesis occurs when phosphate is added to ADP during substrate-level phosphorylation or oxidative phosphorylation. Hydrolysis of ATP includes the release of terminal phosphate and lots of energy which in turn is used by cells.

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The evolution of a species of organisms over time.

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3 years ago
The second generation phenotypes resulting from the cross of purebred monohybrid pollination will display a ratio of _____. 2:2
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The answer is 3:1.

If we imagine that plant has two alleles for the trait, we can dominant allele represent with P represents and recessive allele with p. To get purebred monohybrid in the first generation, parents must be a dominant homozygote (PP) and a recessive hetero<span>zygote (pp):

Parental generation: PP   x   pp
The first generation: Pp  Pp  Pp  Pp

Pp represents a heterozygote.
If we cross these heterozygotes:

The first generation: Pp   x   Pp
The second generation: PP  Pp  Pp  pp

If dominant allele determines the phenotype, there will be 3 plants (one PP and two Pp) with one phenotype and only 1 plant </span><span>(pp)</span> with another phenotype and vice versa.
5 0
3 years ago
Read 2 more answers
Round (R) seed shape is dominant to wrinkled (r) seed shape in pea plants. If an RR plant is crossed with an rr plant, what is t
melamori03 [73]

Answer:

The correct answer is b. All round seeds

Explanation:

If an RR plant is crossed with an rr plant than all the phenotype will produce round seed and the frequency of the Round seed plant to wrinkled seed plant would be 4:0.

                       R     R

                  r   Rr    Rr

                  r   Rr    Rr

So all the phenotypes will be heterozygous dominant for the round seed which means that all phenotypes will have a single dominant allele for round seed which is enough to express round seeds in the phenotypes.

4 0
3 years ago
What is Eukaryotic cell
just olya [345]

Answer:

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike prokaryotes, which have no membrane-bound organelles.

Explanation:

6 0
3 years ago
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The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
3241004551 [841]

Answer:

Option B. a health problem due to the concentration of hydrogen ions (H+) being 10X higher than normal in your body is correct answer.

Explanation:

When lungs are not able to remove carbon dioxide produced by blood it results in decrease in pH of blood (blood become more acidic). This condition is called respiratory acidosis. However, body has the ability to balance ionic concentration. (See attached image for more explanation)

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3 years ago
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