Question 17 (1 point)

Biology

1 answer:

VashaNatasha [74]3 years ago

5 0

The answer would be B as penicillin is derived from Penicillium fungi.

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D) Based on your above answers, do all substitutions cause a change in the amino acid sequence of a

katovenus [111]

Answer:

No, they do not all cause a change in amino acid sequence of a protein.

Explanation:

Substitution mutation is the type of mutation that results when the nucleotide base of a gene is replaced by another base in the sequence. A substitution mutation can result into three different types of mutation namely; silent mutation, missense mutation, and nonsense mutation.

- In silent mutation, the nucleotide base that gets replaced by another still forms a codon that encodes the same amino acid as in the original sequence. e.g if guanine replaces adenine in the sequence, TTA to form a mutated sequence, TTG. This mutated codon (TTG) still encodes LEUCINE amino acid just as TTA does. Hence, there is no effect on the resulting amino acid sequence. This portrays that NOT ALL SUBSTITUTIONS cause a change in amino acid sequence of a protein.

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Where are the thyroid , parathyroid andthymus located

lutik1710 [3]

Parathyroid gland

Location- four round massses on the posterior side of the lateral lobe of the thyroid gland. Cells- two types- chief and oxyphil cells. Releases the hormone parathyroid hormone

Thyroid Gland

located on the anterior side of the trachea just below the laynx. Bilobed gland shaped like a shield TISSUE-composed of hollow sacks called follicles, follicles contain a gelly-like glycoprotein material called Thyroglobulin- to store thyroxine Cells: two types: Folicular and parafollicular cells. Releases the hormones- thyroxine and calcitonin

Thymus Gland

Location- a bilobed gland with in the mediastinum over the base of the heart. Cells- glandular cells. Releases the hormone thymosin

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4 years ago

What is the primary function of most bacteria in a food web? A) producer B) predator C) decomposer D) primary consumers

GarryVolchara [31]

Hi!

The answer is C) Decomposer

Hope this helps!

-Payshence xoxo

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Mitosis and Meiosis lab conclusion

garri49 [273]

Answer:

Conclusion. To sum up, Mitosis and Meiosis are cell division processes which aids with our daily life. Without the process of meiosis and mitosis, cells would not be able to replicate. Also genetic variation and cell growth would not be possible.

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Under what conditions would recycling be a world changing solution to our trash problem?

denpristay [2]

Answer:

EVERYONE

Explanation:

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