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Vadim26 [7]
3 years ago
11

What is a good description for the cell wall?

Biology
1 answer:
Ipatiy [6.2K]3 years ago
7 0

The cell wall is the protective, semi-permeable outer layer of a plant cell. A major function of the cell wall is to give the cell strength and structure, and to filter molecules that pass in and out of the cell. A cell is the smallest part of an organism that still contains that organism's elements.

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Give an example of an interaction invloving the cycing of matter between spheres
Juli2301 [7.4K]

Answer:

Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).

Explanation:

I hope this helps:)

5 0
3 years ago
[20pts] Hi, can someone help me with these two questions?
MA_775_DIABLO [31]
I think number the first one iss grape fruit and the other one is cerebellum
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3 years ago
In knowledge-based economies, education plays an important role in the lives of citizens and is an important factor in their qua
ELEN [110]

Answer:

B

Explanation:

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3 0
3 years ago
explain how a change in the sequence of nucleotide in a strand of DNA might cause a protein to malfunction
Diano4ka-milaya [45]

Answer: Proteins are made using DNA as a template. The DNA is turned into RNA, and the RNA is then turned into DNA. 

A change in these nucleotides could end up making some part of the protein different. A single nucleotide change could be silent (no change in the protein) or could change a single amino acid (amino acids are the building blocks of proteins). If that was an important amino acid, the protein might not function at all! A silent change can occur because the same set of nucleotides sometimes makes the same final amino acid (for example, reading "gcc" "gca" "gcg" or "gct" nucleotides all mean "alanine" amino acid). 

The deletion of a single nucleotide, or the addition of one, can change the entire sequence of amino acids that come after it! Nucleotides are read in sets of three, so this throws off how the DNA is read. If would be like turning "The brown fox jumps over the dog" into "The gbrow nfo xjump sove rth edo g". Completely different! All of the words are thrown off.

I know it is long but I hope it helped

:D

7 0
3 years ago
Plants are unique because they have<br> which absorb licht energy from the sin
qwelly [4]

Answer & Explanation:

Plants are unique because they have chloroplasts, which absorb light energy from the Sun.

-Hope it helps!

。◕‿◕。

5 0
2 years ago
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