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NemiM [27]
3 years ago
12

Help with this?? Aaaaaaa

Biology
1 answer:
Ksenya-84 [330]3 years ago
6 0

Answer and Explanation

25%

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Water has a density of 1g/mL. There are four rocks that all have the same volume of 10 cubic centimeters. The mass for each of t
joja [24]

Answer:D

Explanation: Because it has the least amount of density in it. All the others are heavier, meaning they will sink. Just like if you drop a rock water and a feather, the feather will float.

Density def:

Density, mass of a unit volume of a material substance. ... Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).

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2 years ago
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The ability to learn a language is:
Veseljchak [2.6K]

Answer:

A. Skill

Explanation:

^^

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2 years ago
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What would be the effect of a mutation in the coding region of the lactase gene?
Fynjy0 [20]

Lactase refers to an enzyme that can dissociate lactose sugar into glucose and galactose. This enzyme plays an important role in the digestion of milk that comprises high lactose sugar. In case, if a mutation occurs in the gene codon of lactase, then two possibilities can take place. These are as follows:  

1. Loss of mutation: In this case, the person becomes lactose intolerant because of mutation in lactase gene codon. Due to this, there is low mRNA expression and thus low production of the enzyme lactase. This is also known as lactase non-persistent phenotype.  

2. Gain in mutation: In this case, the person gain an increase in mRNA expression of the lactase gene, thus more production of lactase takes place than usual. This kind of individual exhibits lactase persistent phenotype.  


5 0
3 years ago
Why does plastic flow only occur below 50 meters of ice?
Snezhnost [94]

Answer:

d

Explanation:

it takes the weight of that much ice to cause the plastic to flow.

4 0
2 years ago
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Streptomyces griseus produces the antibiotic Streptomycin, which inhibits protein synthesis by binding to ribosomes and preventi
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Answer:

See the answer below.

Explanation:

Antibiotic-producing bacteria are generally known to have a mechanism that enables them to be resistant to their own antibiotics. The mechanism that enables them to be resistant to their own antibiotic depends largely on the mode of action of the antibiotic substance.  

Some of the popular mechanisms used by bacteria to counter their own antibiotic substance include a mutation in the target gene, production of enzymes that inactivate the antibiotic compounds, or efflux of the compounds.

<u>In the case of </u><u><em>Streptomyces griseus</em></u><u>, the inactivity of streptomycin has been linked with the production of a phosphatase inhibitor that prevents streptomycin from getting access to the target site. Hence, the organism is not harmed by its own antibiotic.</u>

7 0
2 years ago
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