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Marat540 [252]
3 years ago
13

What is the main feature that distinguishes bacteria cells from cells of other organisms?

Biology
1 answer:
nataly862011 [7]3 years ago
8 0
They are unicellular prokaryotes, that are lacking membrane bound organelles.
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What body system regulates the acid based balance of the blood?
dybincka [34]

Answer:

Kidney

Explanation:

The kidney is the body system that regulates the acid base balance of the blood.

4 0
3 years ago
What is one potential result of climate change that could inhibit (reduce) kelp's ability to do photosynthesis?
Bogdan [553]
One potential result of climate change is greenhouse effect that is defined as the accumulation of carbon dioxide in the atmosphere that retains heat radiated from the sun. While this can seem beneficial because plants use carbon dioxide in photosynthesis, elevated levels of carbon dioxide actually inhibit photosynthetic mechanisms (Xu, 2015).
3 0
3 years ago
A molecule of a complex carbohydrate is made of 12 carbon atoms. Calculate the numbers of hydrogen and oxygen atoms in the molec
kykrilka [37]
The answer would be 12 oxygen and 24 hydrogen
since the basic formula of carbohydrates is C6H12O6
6 0
3 years ago
If the integument of an angiosperm seed contains cells with 20 chromosomes, how many chromosomes would you expect to find in the
OleMash [197]

Answer:

30

Explanation:

The seed of an angiosperm is formed as a result of fertilization (fusion of sperm in pollens and the ova from ovary). According to the question, the cells of the seed which will grow into the plant contains 20 chromosomes. Seeds of angiosperms contain a tissue called ENDOSPERM that forms as a result of the unique DOUBLE FERTILIZATION in angiosperms. It occurs when one haploid sperm cell fuses with two haploid polar nuclei to form a triploid endospermic structure that serves as food for the growing embryo in the seed.

Now based on the above explanation, the diploid plant cell with 20 chromosomes will have 10 chromosomes (half as much) in its gametes as a result of meiosis. This 10 chromosomes in each gamete (sperm and ovum) fuses to form a diploid zygote with 20 chromosomes, while one haploid sperm cell (10 chromosomes) also fuses with two haploid polar nuclei (10 chromosomes each) to form a triploid endosperm with 30 chromosomes i.e. 10+10+10.

8 0
3 years ago
I NEED ANSWER NOW!!!!!!!!
ivolga24 [154]

Answer:

The answer is B, How does gravitropism affect plant growth?

Explanation:

According to Google:

"Gravitropism (also known as geotropism) is a coordinated process of differential growth by a plant or fungus in response to gravity pulling on it."

So, since the students put the pots on their sides, and they say that the bean plants bend upwards, then option B is the only logical explanation for the plants' behavior.

Have a BE-A-U-TIIFUL day!! \(^u^\)

4 0
3 years ago
Read 2 more answers
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