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rodikova [14]
2 years ago
11

The antibiotic penicillin which made from fungi is harmfull for bacterias?​

Biology
1 answer:
Diano4ka-milaya [45]2 years ago
7 0

Answer:

From 1945–1955 the development of penicillin, which is produced by a fungus, along with streptomycin, chloramphenicol, and tetracycline, which are produced by soil bacteria, ushered in the antibiotic age.

Explanation:

Hope it helps you..!

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Is work done when you carry a book across the room at a constant velocity
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Work is not done when you carry an object forward. You may have learnt that carrying an object and moving horizontally at a constant velocity has no work done. The truth is, there is a slight amount of work done due to overcoming air resistance in the horizontal direction.

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3 years ago
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Shell color in clams is thought to be controlled by three different genes (each with two alleles). Shell coloration runs a range
sergejj [24]

The correct answer is A. Quantitative traits

Explanation:

In genetics, quantitative traits refer to traits or phenotypes (observable traits) that depend on many factors including multiple genes and actions in the environment. These traits differ from other traits because the traits tend to be more diverse in a population. In the case presented, the shell color in clams is an example of a quantitative trait because this phenotype is the result of three different each and each gene contains two alleles which means the color depends on many factors. Additionally, as most quantitative traits there is a higher variation in the phenotype considering clams can have different hues.

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3 years ago
Which of the following statements about NAD+ is true?
irga5000 [103]

Answer:

NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle.

Explanation:

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3 years ago
For an XX female to express a recessive sex-linked trait, she must have
TEA [102]

She must have the resessive trait on both of her chromosomes. Withought them being on both she would be a carrier.

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3 years ago
Which biome has a plant community dominated by plants that resist drought and store water, and a climate characterized by very l
hoa [83]

Answer;

-Hot desert biome

Explanation;

Hot Desert is characterized by very little rainfall or a lot of rain in a very short period. The soils are often salty because minerals do not get washed away. Thus, the climate is characterized by a very little precipitation.

-Plant adaptations: There are few plant species. these plants are adapted to resist drought and store water. For example; Spiny cacti that have thick, fleshy stems that conserve water are common. Their roots extend metres away from the plant to absorb water. Other plants have small, thick, waxy leaves that also store water. Many plants have spines or produce chemicals that protect them from being eaten.

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