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mr Goodwill [35]
3 years ago
15

Calculate the net force.

Biology
2 answers:
stich3 [128]3 years ago
8 0

Answer:

20 newtons left

Explanation:

add the ones in the same direction (arrows tell direction) if there is ever any in opposite directions subtract.

alisha [4.7K]3 years ago
7 0

Answer:

20 newtons left

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A Before prophase II begins, does the DNA in the cell duplicate itself?___________
svet-max [94.6K]

Answer:

for F no

Explanation:

no cells are the same because all people ate different and can not be precisely the same as cells.

4 0
3 years ago
At one gene locus in humans there are 2 alleles: one for curly hair and another for straight hair. Neither allele is dominant, a
Dovator [93]

Answer:

25%

Explanation:

<u>Genotypes and phenotypes:</u>

  • SS = straight hair
  • CC= curly hair
  • SC = wavy hair
  • AA or A0= type A blood
  • BB or B0= type B blood
  • AB = type AB blood
  • 00 = type 0 blood

A man with straight hair and A blood has the genotype SS AA or SS A0.

A woman with wavy hair and B blood has the genotype SC BB or SC B0.

Their first child has straight hair and O blood: SS 00

Because the child has type 0 blood, both parents must have a 0 allele, so their genotypes are SS A0 and SC B0.

<u>If their second child is a boy with straight hair, what is the probability that he has A blood?</u>

The hair and blood type genes are independent, so the hair phenotype of the child is irrelevant to determine the probability of him having A blood.

The parental cross for blood type is A0 x B0.

If you do a Punnett Square, you'll get the following offspring:

25% AB, 25% B0, 25% A0 and 25% 00.

The answer is the child has a probability of 25% of having A blood.

8 0
4 years ago
What are four major characteristics of the phylum Mollusca?
Ilia_Sergeevich [38]

Answer:

pls mark me brainliest. the answer

Explanation:

Mollusca are soft-bodied, bilaterally symmetrical, segmented, coelomate animals; usually shelled having a mantle, ventral foot, anterior head, and a dorsal visceral mass.

3 0
3 years ago
Read 2 more answers
What are the sections of the ocean
juin [17]
If you are referring to the different Ocean Names then they include, Pacific Ocean, Atlantic Ocean, Indian Ocean, Artic Ocean, and the Southern Ocean.
4 0
3 years ago
29. What conditions would cause a molecule to diffuse from the outside of the structure shown to the inside?
dmitriy555 [2]

Answer:

The conditions that would cause a molecule to diffuse from outside to inside of a structure is a higher concentration of that molecule outside and the presence of a semipermeable membrane that facilitates its passage.

Explanation:

The process by which a molecule passes from a place where it is more concentrated where its concentration is lower - crossing a semipermeable membrane - is called simple diffusion.

<u>Simple diffusion is a mechanism that does not require energy and responds to a concentration gradient</u>. When a molecule is more concentrated in a space it can enter the space where it is less concentrated .

The cell membrane is an example of a semi-permeable membrane where the simple diffusion process occurs.

Learn more:

Simple diffusion brainly.com/question/1798156

3 0
3 years ago
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