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larisa [96]
3 years ago
11

How to describe race?​

Biology
1 answer:
pogonyaev3 years ago
3 0

Answer:

Race refers to a person's physical characteristics, such as bone structure and skin, hair, or eye color. Ethnicity, however, refers to cultural factors, including nationality, regional culture, ancestry, and language. ... You can have more than one ethnicities but you are said to have one race, even if it's "mixed race".

Hope this helps !

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The illustration below shows the steps of meiosis I. What is the step that is labeled D? metaphase I metaphase II telophase II t
WITCHER [35]

The right answer is metaphase II.

The process is performed in two nuclear and cytoplasmic divisions, called first and second meiotic division or simply meiosis I and meiosis II. Both include prophase, metaphase, anaphase, and telophase. First division prophase is long and consists of 5 stages: leptotene, zygotene, pachytene, diplotene, and diakinesis. It is at this point that genetic recombination takes place at the level of chiasmus.

During meiosis I, the members of each homologous pair of chromosomes are paired during prophase, forming bivalents. During this phase, a protein structure, called synaptonemal complex form, allows recombination between homologous chromosomes. Subsequently, a large condensation of the bivalent chromosomes occurs and go to the metaphase plate during the first metaphase, resulting in the migration of n chromosomes to each of the poles during the first anaphase. This reduction division is responsible for maintaining the number of chromosomes characteristic of each species.

In meiosis II, as in mitosis, the sister chromatids comprising each chromosome are separated and distributed between the nuclei of the daughter cells. Between these two successive steps, there is no DNA replication. The maturation of the daughter cells will result in the gametes.

7 0
3 years ago
Read 2 more answers
What is the most basic structure block for all life
lys-0071 [83]

Answer:

that would be the cells

Explanation:

cuz cells make up everything

hope this helps out

7 0
3 years ago
The graph of the linear equetion 3x + 5y - 15 = 0 cuts the y - axis at the point full solution​
Firlakuza [10]

Answer:

y = -\frac{3}{5}x+3

Explanation:

3x + 5y - 15 = 0

So we want to get it in the form y = mx + b

Subtract 5y from both sides;

3x - 15 = -5y OR -5y = 3x - 15

Divide both sides by -5

y = -\frac{3}{5}x+3

8 0
3 years ago
What polysaccharide helps provide the strength to insect exoskeletons?
vfiekz [6]
Your answer is correct. Chitin provide the strength to insect exoskeletons. Cellulose is the strength for plant. Starch and glycogen are energy sources for life.
6 0
3 years ago
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Old red blood cells are cleaned out of the body by the _____ and ______.
Yanka [14]

Answer:

Kidney and spleen

Explanation:

4 0
3 years ago
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