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xeze [42]
2 years ago
13

Describe one important piece of machinery in plant cells, and how that machinery helps keep plant cells alive. Pleas help. This

is a school assignment.
(This is 7th grade science).
Biology
2 answers:
Pani-rosa [81]2 years ago
5 0
I hope this counts - cell wall! helps keep most materials out but allows specific materials to pass through. animal cells do not have a cell wall
Savatey [412]2 years ago
3 0

Answer:

Cytoplasm

Explanation:

The Cytoplasm is a Jelly-like substance, where chemical reactions take place.

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Iteru [2.4K]

Answer:

No option

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Let others help

3 0
2 years ago
Which of the following best describes the flow of energy in the Everglades food web shown below? (2 points)
antiseptic1488 [7]
The correct answer is B.
A food web typically start with a plant which serves as the primary producer of food for the other living organisms that are in the food web. The food web is made up of many tropic level, only about 10% of the energy in one tropic level is transferred to the next trophic level. 
Looking at option B, you will discover that the food web start with a plant which is mangrove. Insects feed on mangrove, southern leopard frog feed on insects and raccoon feed on American alligator.
8 0
3 years ago
Read 2 more answers
The best single measure of physical working capacity is
Maslowich
Hey there,
<span>VO2max (the largest amount of oxygen that a human can utilize at the tissue level)

Hope this helps :))

~Top
</span>
4 0
3 years ago
Three species of finches are in competition for the limited resources of an ecosystem. One species
kow [346]

Answer:

the answer is option a

Explanation:

7 0
3 years ago
After being produced, ________ provides the blueprint for assembling proteins
eduard
The mRNA molecule is the blueprint for protein assembly in the processes described in the central dogma of molecular biology.
The process of translating the information in DNA to proteins happens in three steps.
Firstly, the DNA molecule replicates itself. 
After that one DNA strand (DNA is a double-stranded molecule)  transcribes itself into one-stranded messenger RNA (mRNA).
The information is held in the sequence of the nucleotides (Adenine, Cytosine, Guanine, Thymine) and it is read in triplets. So each mRNA is made from a sequence of nucleotides copied from the DNA, that is read in triplets.
Each triplet is holding the information about a specific amino-acid carried by transporter RNA (tRNA).
Proteins are made in the ribosomes in the process of translation, where the sequence on the mRNA is being read and translated into a sequence of amino acids.
6 0
3 years ago
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