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Svetllana [295]
3 years ago
12

Which of these statements is true? A. Meiosis helps your body heal itself. B. Meiosis involves two cycles of cell division. C. M

itosis brings genetic variety to a species. D. Mitosis produces four identical cells.
Biology
1 answer:
Tasya [4]3 years ago
4 0
The answer is B. Meiosis involves two cycle of cell division. 
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A scientist discovers that a soil bacterium he has been studying produces an antimicrobial that kills Gram negative bacteria. Sh
nexus9112 [7]

The question is incomplete as it does not have the options which are:

resistant

semisynthetic

synthetic

natural

Answer:

Semisynthetic

Explanation:

Antibiotics are the microbial compounds which are obtained from the micro-organisms which are found effective against the bacteria as they act by inhibiting the activity of the bacteria which ultimately kills the bacteria.

These antibiotics can also be distinguished based on their synthesis: natural, semi-synthetic and synthetic antibiotics.

The semi-synthetic antibiotics are the antibiotics which are obtained from the microbes but are modified artificially by making chemical changes to increase the effectiveness of the antibiotic and making the antibiotic as broad-spectrum bacteria.

Since the properties of the antibiotics provided in the question are similar to the semi-synthetic antibiotics, therefore, is considered semi-synthetic bacteria.

Thus, Semisynthetic  is correct.

4 0
3 years ago
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Answer:

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Explanation:

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3 years ago
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Answer:

b. Immnofluorescence

Explanation:

Immunofluorescence involves the reaction of a fluorescently labelled antibody to an expressed gene or protein making it specific. A microscope is used to locate the expressed gene via the fluorescent dye activated by light of a certain wavelength. It is usually done to analyze intact cells or tissue therefore it is easier to localize the gene expression.

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OWL- eats mice, rabbits, and snakes is it called omnvoire
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Answer:

false owls are carnivores that feed only on animals.

Explanation:

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