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PtichkaEL [24]
3 years ago
11

What is true of matter in ecosystems?

Biology
1 answer:
Sidana [21]3 years ago
4 0
D.Elements continuously cycle between the physical environment and living organisms.

Ecosystem is encompassing all the life on earth in the physical environment that supports it. An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.  <span> </span>

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At one time, dinosaurs lived on Earth. Today they are extinct. This relates to _____.
ehidna [41]
The answer to your question is C. Macroevolution since it's root word Macro means uncommonly <span> large or within a large range. 

</span>
4 0
3 years ago
To my understanding, the nucleolus synthesizes DNA into rRNA, as well as completed proteins are assembled with rRNA and sent out
ratelena [41]

Answer: Rrna is a part of ribosome that helps make protein and also links amino acids.

Explanation:

8 0
3 years ago
The second messenger in the following G-protein-linked-receptor pathway is signal moleculeG protein linked receptor activated G
melamori03 [73]

Answer:

Answer is D - cAMP.

Explanation:

cAMP is a small molecule that functions as an intracellular signaling molecule - a second messenger. The first messenger would be the thing that activated the GPCR (e.g. a hormone). The GPCR is a signal transducer (converts extracellular signal to intracellular signal). Once activated, the GPCR activates  adenylate cyclase which can be called a signal effector - it is an enzyme that produces cAMP.

7 0
3 years ago
What would be first three amino acids in the protein formed from this gene? UTC GTU TTG
Andrews [41]
<h2>Answer:</h2>

The three amino acid will be Tyrosine, Asparagine and Lysine respectively to sequence.

<h3>Explanation:</h3>

UTC GTU TTG

First the thymine in the sequence is changed to A, adenine because in the mRNA only three types of nucleotides are allowed which are Adenine, thymine and Uracil.

So the sequence will be:

UAC GAU AAG

These codons will be read by tRNA producing the polypeptide sequence of amino acids which are as follow:

Tyrosine Asparagine Lysine.

8 0
3 years ago
Scientists have found 2 frameshift mutations in patients with Cystic fibrosis. This condition is very serious and without the pr
Makovka662 [10]

Answer:

b

Explanation:

6 0
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