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larisa86 [58]
3 years ago
11

List the structure and composition of the moon from surface to core

Biology
1 answer:
vodka [1.7K]3 years ago
5 0
That's a pretty complicated question. I can give you what I know:

Inner Core (Solid form)
Outer Core (Liquid form)
Partial Melt (A form where some of the solid forms are interchanging between liquid and solid form)
Mantle (Solid form / Rock)
Crust (Solid form)

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You and your roommate do a genetic analysis and learn that you share the same maternal ancestor 15,000 years ago in Europe. Whic
Vesnalui [34]

Answer:

Mitochondrial DNA.

Explanation:

Mitochondria is known as the power house of the cell and one of the important organelle responsible for the production of energy. Mitochondria contains its own DNA.

To understand the maternal ancestor history, the mitochondria DNA  must be studied. The mitochondria is solely obtained from the mother as the egg contains large amount of cytoplasm that contains mitochondria. The mitochondria can never be inherited from paternal origin as the sperm contains few amount of cytoplasm and mitochondria.

Thus, the answer is mitochondrial DNA.

4 0
3 years ago
!!Help!! In dogs, the gene for fur color has two alleles. The dominant allele (F) codes for grey fur and the recessive allele (f
tatiyna

Answer:

% GENOTYPE

FF = 0%

Ff = 50%

ff = 50%

% PHENOTYPE

Black fur = 50%

Grey fur = 60%

Explanation:

This question involves a single gene coding for fur color in dogs. The allele for grey fur (F) is dominant over the allele for black fur (f). This means that a heterozygous dog (Ff) will have a grey fur.

In this question, a heterozygous female (Ff) is said to cross with a recessive male (ff) i.e. Ff × ff. The following gametes will be produced by each parent:

Ff - F and f

ff - f and f

Using these gametes in a punnet square (see attached image), the following genotypic proportion of offsprings will be produced:

Ff - 1/2 = 50%

ff - 1/2 = 50%

Ff is phenotypically GREY while ff is phenotypically BLACK. This means that 50% of the offsprings will be black and 50% will be grey.

7 0
2 years ago
Name the two different types of translatory motion and explain each in brief​
garik1379 [7]
Translatory motion can be of two types: rectilinear and curvilinear. If a body moves as a whole such that every part of the body moves through the same distance in a given time, then the body is said to be in translatory motion.
5 0
2 years ago
Which of the following organelles is found only in animal cells and NOT in most plant cells?
Leto [7]

Answer:

C. Lysosome

Explanation:

Lysosmes are not commonly found in plants. They are mostly found in animal-like eukaryotes. Lysosomes have digestive enzymes that breakdown molecules like proteins, carbohydrates and the like. They also breakdown worn out organelles. When broken down, they exit the lysosomes in vesicles so that the cell can expel it. This is why lysosomes are called the garbbage disposal of the cell.

5 0
2 years ago
You are a doctor treating a patient who has recently experienced paralysis in his lower body. He asks you to give him more infor
matrenka [14]

The laboratories have initiated Phase 1 clinical trials for the use of human pluripotent embryonic stem cells to treat paralyzed patients following spinal cord injury. The first step is to estimate the risks and tolerance of cell transplantation in a man. The fate of stem cells (multipotent or pluripotent) in the body is still poorly understood, and it is not excluded that uncontrolled cell multiplications occur, leading to the appearance of teratomas (tumor developed from pluripotent cells).

Advantages are:

* The safety of the cells also seems to be proven (in short term)

* Rats transplanted seven days after the injury had benefited from reactivation of myelinization of neurons by oligodendrocytes, attenuation of motor neuron loss and improvement of limb motor function.

The disadvantages are:

* Constraints of the ethical and religious order, it is necessary the consent and the approval of the donor and the recipient for the transplant to take place.

* The development of the technique is still new, there is a chance that side effects of the transplant appear years after the operation.

6 0
3 years ago
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