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Ede4ka [16]
3 years ago
9

List all parts and structures from which hair grows

Biology
1 answer:
zzz [600]3 years ago
4 0

Answer:

Explanation:

Hair grows on every part of a body except Nails.

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A sequence of DNA has 120 nucleotides (it is not a complete sequence).
sveta [45]

Answer:40

Explanation: a codon is three nucleotides. Provided that the sequence does not include a STOP codon, the polypeptide would have 40 amino acids

6 0
3 years ago
Write 1 to 2 paragraphs explaining the role chromosomes play in heredity. Include the structure and function of chromosomes.
AleksandrR [38]

Answer:

Chromosomes are systemized structures of proteins and DNA. It have a string like shape, mainly located within the nucleus of both plant and animal cells. DNA is concentrated in the chromosomes. In 1902, Sutton and Boveri proposed that chromosomes has a part in heredity opposing Mendel's theory of segregation and independent assortment.

One major function of the chromosome is to keep the DNA from being altered or negatively influenced during cell division. It ensures accurate distribution of the DNA during the breaking down of genetic material. In mitosis, the chromosomes are duplicated and dispersed to daughter cells so that each cell attains a diploid set of chromosomes totally of the same nature to that of its parent cell. In meiosis, the resultant cells would attain a chromosome from each chromosome pair this will lead to half the number of chromosomes. This process is important for the offspring being produced to have the same characteristics of the parents which would results from the fusion of the sperm and egg of the parents.

5 0
3 years ago
Read 2 more answers
The recommended energy intake for an adult male is
lawyer [7]

Explanation:

It depends upon some factors like

Major factor

  1. Your age
  2. Your lifestyle
  3. Your size

Other factors

  1. Some hormones
  2. Some medicine
  3. Being unwell
5 0
2 years ago
What do you think would happen if a genetic mutation caused a person's digestive tract to have stratified columnar epithelium in
Eddi Din [679]

Answer:

Absorption and secretion would be impossible within the digestive tract.

Explanation:

Epithelium is one of the tissues found in humans. It is classified as either simple or stratified depending on the number of cell layers. Simple epithelial tissues have one layer of cells while stratified have many layers of cells. Based on the shape, epithelial tissues can either be squamous, columnar or cuboidal.

Due to the single-layer of the simple epithelial tissues, they line the walls of secretory or absorptive organs e.g organs of digestive tract. The stratified epithelium is majorly for protective function due to the number of cell layers it possess and not a good type of epithelium for locations where absorption and secretion of substances is common e.g digestive tract.

Hence, if a genetic mutation causes a person's digestive tract to have stratified columnar epithelium instead of simple columnar epithelium, ABSORPTION AND SECRETION of chemical substances, which is a key feature of organs (stomach, intestine) that make up digestive tracts, will be impossible.

8 0
3 years ago
True or false?
jonny [76]

Answer:

true

Explanation:

hope this helps

stay safe

brainliest is appreciated i only need two more  to level up please help:))))

8 0
3 years ago
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