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Mandarinka [93]
3 years ago
12

When you are exposed to sun light for a long time your skin which otherwise appears normal gets heavily tanned what could be the

reason?
Biology
1 answer:
vovangra [49]3 years ago
5 0
"<span>The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time" is the actual reason. </span>
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Only laboratories BSL-3 and higher require fire extinguishers, emergency showers and eye wash stations.
garik1379 [7]

Answer:

false

Explanation:

Fire extinguishers, emergency showers and eye wash stations are basic safety elements that must be present in all laboratories, regardless of their classification. This is because these are essential elements for common accidents in laboratories and can be easily solved with their presence.

8 0
3 years ago
A biologist spent many years researching the rate of evolutionary change in the finch populations of a group of islands. It was
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Answer:

i think is D iam not sure

Explanation:

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3 years ago
How many combinations of genotypes are possible for the coat coloration of rabbits which is governed by three alleles?
Dmitriy789 [7]

Answer:

b) 6

Explanation:

There are three different alleles (A,B,C) which are responsible for coat coloration but only combination of two can move forward because there are two loci at every homologous pair of chromosomes.

Thus, six combinations can be formed as AA, AB, AC, BB, BC, CC.

7 0
3 years ago
The hemoglobin of sickle cell anemia:
Kitty [74]

Answer:

2. Can carry less oxygen and more carbon dioxide.

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Sickle cell anemia damages and inhibits hemoglobin in red blood cells reducing how much oxygen they can carry.

3 0
3 years ago
In a predator-prey system, the two species are related by: Choose all that apply.
Lemur [1.5K]

Explanation:

A preditor-prey system, the 2 species are related by; co-evolution(because preditors eat prey that is available and plentiful, for example a rodent species.

also, the population cycle because rodents live for a short period of time in the wild, but reproduce quickly. example; spring and summer seasons is when food is most plentiful for all species of wildlife,

3 0
3 years ago
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