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1 year ago

Which organelles aid in locomotion?

Biology

2 answers:

Virty [35]1 year ago

7 0

Cilia aid in locomotion. Hope that helps!!

nordsb [41]1 year ago

5 0

Cilia projections from cell surfaces that aid in locomotion and feeding; also used to sweep substances along surface, as well has flagella which is a tail-like projection that aids in locomotion

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A scientist measured the distance between fixed points on two different plates over the course of a decade and found that the di

Anna71 [15]

Answer:

No because the tectonic plate theory says that they move but if they didn’t move then it proves it wrong.

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1 year ago

In a resting state, sodium (na+) is at a higher concentration outside the cell and potassium (k+) is more concentrated inside th

Anika [276]

The sodium levels increase inside the cell during action potential. Opposite to resting state, depolarization is the shift of electrical charge resulting in positive charge inside the cell. Depolarization is the start of cell-to-cell communication and other necessary physiological functions of an organism.

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1 year ago

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A 5th grade friend has seen a picture of your child and ask you to explain how kids get their traits from their parents. Using t

never [62]

Answer: Kids get their traits genetically from their parents. Their parents pass down genes that give their kids similar traits to their parents. Depending on which genes are dominant in the family, the kid will inherit those traits.

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1 year ago

A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and d

spayn [35]

Answer:

Volume= 4 cm³

Density= 2 g/cm³

Explanation:

We have the following data:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

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1 year ago

Alleles A and a are located on a pair of metacentric chromosomes. Alleles B and b are located on a pair of acrocentric chromosom

Leto [7]

Answer:

See the second attached image showing the gametes from the parent with the location of the centromere indicating the type of chromosome

Explanation:

According to the position of the centromere, chromosomes can be of 4 types namely:

Metacentric
Acrocentric
Telocentric
Sub-metacentric

A metacentric chromosome is a chromosome that has no short or long arm. The arms are equal in length with the centromere joining the two sister chromatids located at the center.

Acrocentric chromosomes have unequal arm lengths with the centromere skewed towards one end of the chromosome.

Telocentric chromosomes have their centromeres at one end of the chromosome.

Sub-metacentric chromosomes have unequal arm lengths but the centromere is not as skewed to one end of the chromosome length as found in acrocentric chromosome.

The only possible gamete from aa bb parent is ab. Recall that the allele a is located on a metacentric chromosome while allele b is located on acrocentric chromosome.

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2 years ago