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Alina [70]
3 years ago
14

Select the correct answer.

Biology
1 answer:
muminat3 years ago
3 0

Answer:

C. when a portion of the moon passes through the earth's umbral shadow.

Explanation:

A partial lunar eclipse occurs when the Earth passes between the sun and moon but the celestial bodies are not arranged in a straight line. When that occurs, a small part of the moon's surface is covered by the darkest, central part of the shadow of the Earth called the umbra. The rest is covered by the outer part of the shadow, termed penumbra.

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In major cell parts what aids in cell division<br> Ex. mitochondria, ribosomes, ect.
balandron [24]
They <span>Cytoskeleton aids in cell division but its not important.</span>
6 0
3 years ago
What would happen to the population of an animal if it's food source were added to the food web
iren2701 [21]
The food web (in contrast to the food chain) means that there may be more than one organisms competing for the same prey or food or they may be one organism that preys on many kinds of food etc. It is more complex than the food chain. If the food source of a certain animal was added to the food web, meaning there will be other organisms competing for that food source, then the population of that certain animal will either decrease (if the animal is not fit for the competition of food), or become constant or even rise (if the animal is well suited for the competition). 
6 0
3 years ago
Mutations can also occur within the regulatory regions of genes. Fragile X is an example of a disorder caused by one such mutati
bixtya [17]

Answer:

Triple repeat expansion.

Explanation:

Fragile X syndrome is the genetic disorder in which the toxic RNA is produced in the body. This mutation is located on the long arm of the X chromosome.

Fragile X syndrome is also known as trinucleotide repeat disorders. The nucleotide CCG is increased in the affected individual from 200 to 4000. The severity of the disease depends on the repeat of CCG nucleotide in the individual.

Thus, the answer is triple repeat expansion.

5 0
3 years ago
The first cells that evolved were probably..
weqwewe [10]
The first cells were probably photosynthetic
3 0
4 years ago
How would you know by observing the phenotypes of offspring from two true-breed parents, if the genetic pattern was co-dom, inco
kotykmax [81]

Answer:

co-dom: both traits show without either completely masking each other: red flower x white flower = pink offspring.

incomplete: both traits show but dont mask: red x white = red and white flower

simple: one dominant trait masks the recessive trait, red x white (where red is dominant) = primarily red flowers (depending on if the flowers are heterozygous or homozygous there will be a different number of red flowers, with a minimum of 2/4).

8 0
4 years ago
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