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densk [106]
3 years ago
7

Which of the following correctly describes where early Earth's water came from?

Biology
1 answer:
Anna11 [10]3 years ago
6 0

Answer: 4.atmospheric nitrogen converted into early water vapor which was later pressurized into liquid

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In rats, the allele for pigmentation (P) is dominant to the allele for albinism (p). The B gene allele for black pigmentation (B
OverLord2011 [107]

Answer:

a. F1 genotype            PpBb

b. F1 phenotype   All black offsprings

c. F2 phenotypic ratio:   Black 9/16  cream 3/16  albino 4/16

Explanation:

In rats, the allele for pigmentation (P) is dominant to the allele for albinism (p).

The B gene allele for black pigmentation (B) is dominant to the allele for cream pigmentation (b).

cross 1

pure breeding black rat  x  albino rat homozygous for cream

parent                  PPBB  x  ppbb

a. F1 genotype            PpBb

b. F1 phenotype   All black offsprings

                                    PpBb  x PpBb

c. F2 phenotypic ratio:   Black 9/16  cream 3/16  albino 4/16

8 0
3 years ago
Q 15.19: Cell bodies of preganglionic neurons of the parasympathetic division are located in which of the following cranial nerv
finlep [7]

Answer:

C. III, VII, IX, and X

Explanation:

The parasympathetic division of autonomous nervous system is also known as craniosacral division. The cell bodies of preganglionic neurons of  parasympathetic division are located in the lateral gray matter of sacral segments (S2-S4) of spinal cord and in the nuclei of four cranial nerves in the brain stem. These cranial nerves as namely: oculomotor nerve (III), facial nerve (VII), glossopharyngeal nerve (IX), vagus nerve (X).

6 0
3 years ago
What is the meaning of decapitation in biology? <br>​
marin [14]

This means direct loss of brain function

7 0
3 years ago
What are some examples of heart healthy fats?​
Sladkaya [172]

Answer:

Omega-3 fatty acids can help lower triglycerides, a type of fat that clogs arteries. Monounsaturatedfatsincludecanola,olive, and peanut oils. Other good sources are olives, avocados, nuts, and nut butters. These fats can help lower "bad" (LDL) cholesterol and raise "good" (HDL) cholesterol.

Explanation:

My dad takes omegas because he has high cholestrail which that also helps with heart problems.

8 0
3 years ago
A homozygous green pea plant is mixed with a homozygous yellow pea plant. Complete the Punnett Square,
Gekata [30.6K]

Answer:

100% of the offspring will be green.

0% of the offspring will be yellow.

Explanation:

Since green is the dominant allele, those traits are seen. If the dominant color was yellow, then the yellow would have been seen. The dominant allele always masks the recessive one.

6 0
4 years ago
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