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tigry1 [53]
2 years ago
11

Gregory is studying Lake Mairead. The lake has clear water and supports a healthy community of algae, fishes, and other aquatic

organisms Gregory hypothesizes that phosphorus is a limiting nutrient in the lake. Which experimental result provides me strongest evidence in support of the hypothesis?
Biology
1 answer:
Papessa [141]2 years ago
3 0

Answer:b

Explanation:

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All of the following are functions of the central nervous system except it interprets signals from the external environment it t
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Explanation:

It sends message directly to muscles and glands

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Like dna, rna contains four nitrogenous bases. three of them are the same as those found in dna. the one that is different is ca
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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is called uracil. The five-carbon sugar in RNA is called ribose.

Uracil is a crystalline organic molecule, and a component of the ribonucleic acid (RNA). The RNA molecule is made up of a sequence of nucleotides, which individually contains a five-carbon sugar (ribose), a nitrogenous base, and a phosphate group. Uracil is one of the four nitrogenous bases present in the nucleic acid of RNA. The others are adenine, cytosine, and guanine, and are represented by the letters; A, G, C and U. In DNA (deoxyribonucleic acid), the uracil nucleobase is substituted by thymine.



5 0
2 years ago
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In Alaska, salmon feed on tiny plants called phytoplankton. During late summer, salmon gather in rivers to reproduce. Grizzly be
puteri [66]

Answer: Heyy!

the phytoplankton would would be the primary food sourse the salmon is the primary consumer and the grizzly is the secondary consumer

i think thats what your asking but im sorry if i didnt help :/

Explanation:

4 0
2 years ago
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Bacteria that lack fimbriae are less likely to ________.
nikdorinn [45]

Answer:

The correct answer will be option- adhere to cell surfaces.

Explanation:

The bacterial fimbriae are the cellular appendages which help the bacteria to attach to a substratum. This attachment property of the fimbriae is due to the presence of a protein called adhesins.  

The fimbriae are also known as the attachment pilus of the bacteria which are thinner than a flagellum. The bacteria posses many fimbriae to adhere to the surface like to receptors, another bacteria or any other substratum.

Thus, option- adhere to cell surfaces is the correct answer.

6 0
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There is a phenomenon called paternal leakage in which a small amount of the mitochondrial DNA from the father is found in the o
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Answer:

Maternal inheritance means the transfer of characters from mothers to offspring through mitochondria. The paternal leakage means some mitochondria transfer from the father as well.

As the information given in the question, the amount of DNA from father's mitochondria is small. The quite small amount of DNA will not affect the conclusions and results that are made by the studies and do not affect the inheritance of mitochondrial DNA.

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