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kozerog [31]
3 years ago
15

Please help. It is about cells

Biology
2 answers:
melisa1 [442]3 years ago
5 0

Answer:

Answer is B

Explanation:

Nucleus contains DNA

Katyanochek1 [597]3 years ago
5 0
The answer would be B. nucleus with DNA because all of them contain a nucleus.
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What part of an animal's body contains prokaryotic cells under normal conditions?
e-lub [12.9K]

Answer:

D no part

Explanation:

The body only has eukaryotic cells!

4 0
3 years ago
24. The product that honey bees produce and use it to seal cracks and repair their hives is :
Oksanka [162]

24. The product that honey bees produce and use it to seal cracks and repair their hives is :

C. Propolis ✔

Explanation :

Bees use propolis to seal cracks and repair their hives.

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}

7 0
2 years ago
Read 2 more answers
"steroid hormones are synthesized from amino acids" <br> a. True <br> b. False
FrozenT [24]
Hello There!

Steroid hormones are synthesized from amino acids. - False.

Option B.

This is because steroid hormones are synthesized from cholestrol.

They are lipid - based hormones.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
6 0
3 years ago
I REALLY NEED HELP PLEASE. I WILL GIVE BRAINLIEST IF YOUR CORRECT.
givi [52]
<span>B.The products are H2O (water) and CO2 (carbon dioxide), which then undergo anaerobic respiration.</span>
8 0
3 years ago
Imagine an animal cell lost half of its mitochondria. Explain how the cell would be different.
seropon [69]

Answer:

Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. ...

Explanation:

Mitochondria are rod-shaped organelles that can be considered the power generators of the cell, converting oxygen and nutrients into adenosine triphosphate (ATP). ATP is the chemical energy "currency" of the cell that powers the cell's metabolic activities. This process is called aerobic respiration and is the reason animals breathe oxygen. Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration. In fact, mitochondria enable cells to produce 15 times more ATP than they could otherwise, and complex animals, like humans, need large amounts of energy in order to survive.

mitochondrion is different from most other organelles because it has its own circular DNA (similar to the DNA of prokaryotes) and reproduces independently of the cell in which it is found; an apparent case of endosymbiosis. Scientists hypothesize that millions of years ago small, free-living prokaryotes were engulfed, but not consumed, by larger prokaryotes, perhaps because they were able to resist the digestive enzymes of the host organism. The two organisms developed a symbiotic relationship over time, the larger organism providing the smaller with ample nutrients and the smaller organism providing ATP molecules to the larger one. Eventually, according to this view, the larger organism developed into the eukaryotic cell and the smaller organism into the mitochondrion.

in most animal species, mitochondria appear to be primarily inherited through the maternal lineage, though some recent evidence suggests that in rare instances mitochondria may also be inherited via a paternal route. Typically, a sperm carries mitochondria in its tail as an energy source for its long journey to the egg. When the sperm attaches to the egg during fertilization, the tail falls off. Consequently, the only mitochondria the new organism usually gets are from the egg its mother provided. Therefore, unlike nuclear DNA, mitochondrial DNA doesn't get shuffled every generation, so it is presumed to change at a slower rate, which is useful for the study of human evolution. Mitochondrial DNA is also used in forensic science as a tool for identifying corpses or body parts, and has been implicated in a number of genetic diseases, such as Alzheimer's disease and diabetes.

i hope this is helpful

have a grest day!!:))

6 0
3 years ago
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