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vlabodo [156]
3 years ago
9

Helppp I don’t know the answers and need to know as soon as possible

Biology
1 answer:
jok3333 [9.3K]3 years ago
4 0

Answer:

A) central nervous system

B) Peripheral nervous system

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In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a
GaryK [48]

Answer:

Bb X bb

Explanation:

  • It is given that the allele B for the black coat is dominant over allele b for a brown coat.
  • A dominant allele always leads to the expression of the dominant trait in the heterozygous condition. 
  • When a black and brown horse is crossed as given in the question and the result is a brown foal, then the genotype of the brown foal must be bb as the brown coat is a recessive trait. 
  • Since each parent contributes one allele each for a given gene, the black horse must have b allele, and hence must be heterozygous Bb.
  • The cross is shown in the punnett square.

4 0
2 years ago
How does a cell illustrate the basic concepts of life? Be specific and use at least 3 characteristics of life.
RoseWind [281]

Answer:

Explanation:

A cell as the functional and structural unit of life exhibits numerous concepts of life which include:

1. Growth; A cell is a subject to this as the growth of a cell translates to the growth of the tissue is composed of, the cell is responsible for all biochemical actions in living organisms, this growth is achieved via mitosis.

2. Reproduction: Cells also experience reproduction via meiosis, where a diploid cell divides to produce 2haploid cells an example of this is the spermatozoa.

3. Death: Cells are also subject to death, which can either be programmed (Apoptosis), or due to sickness(Necrosis). This is also found when humans die and become stiff due to rigor mortis which occurs as a result of cell death

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3 years ago
Aresearcher is studying cells. They are currently focusing on a cell with 22 chromosomes . how many chromosomes would be in this
Sidana [21]

Answer:

11 chromosomes.......

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Will everyone’s journey be the same, why or why not?
Shtirlitz [24]
Not at all. Everyone has a different path in life to chose what’s best for them to find the meaning of happiness and sustainability.
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Match each hormone to its function
saveliy_v [14]

Answer: Stimulates the contraction of the uterus during childbirth - OXYTOCIN

Stimulates sperm production and growth of ovarian follicles - FOLLICLE STIMULATING HORMONE

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Initiates the development of secondary sex characteristics in females - ESTROGEN

Initiates the development of secondary sex characteristics in males - TESTOSTERONE

Initiates cell production of testosterone and estradiol by cells in the gonads - LUTEINIZING HORMONE.

7 0
2 years ago
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