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NeX [460]
2 years ago
12

Nhận định nào sau đây, ĐÚNG với cách di chuyển của giun đất

Biology
1 answer:
timofeeve [1]2 years ago
4 0

Answer:

https://vt.tiktok.com/ZSejgvyRC/

Explanation:

https://vt.tiktok.com/ZSejpMKFD/

https://vt.tiktok.com/ZSejrADno/

Wazauupp! and the fact that we have a lot more people than I think

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How did energy from the sun create music
Doss [256]
It was from nuclear fusion. (Sorry if it’s wrong but I’m pretty sure it’s not!)
8 0
3 years ago
Hemophilia is an X-linked recessive condition in which blood does not clot properly. Queen Victoria of England had one allele fo
kondaur [170]

Answer:

Because hemophilia is an X-linked recessive condition.

Explanation:

As the problem states, hemophilia is an X-linked recessive condition.

  • Meaning that in Queen Victoria's female descendants (coded XX) which inherited the Queen's one allele, for hemophilia to appear in them it would be necessary to inherit another hemophillia-carrying allele from the father.
  • The Queen's male descendants (coded XY) would always manifest hemophilia if they inherited the Queen's hemophilia allele, as they possesed only one X gene.
7 0
2 years ago
Compaction & cementation of sediments form ___________ rocks.
____ [38]

Answer:

The answer is sedimentary rock.

Explanation:

At the same time the particles of sediment begin to stick to each other - they are cemented together by clay, or by minerals like silica or calcite. After compaction and cementation, the sedimentary sequence has changed into a sedimentary rock.

Hope that it helps!

6 0
3 years ago
Does female sperm and male sperm look different
nikdorinn [45]

Answer:

the Y chromosome is smaller than the X chromosome.

Explanation:

The male has an X and Y sex chromosome which is an exception to the general rule that homologous chromosomes are identical as the Y chromosome is smaller thus enabling it to swim faster than the X chromosome. The Y chromosome also has a longer lifespan compared to the X chromosome. The male genotypes is XY. Males are heterogametic as they produce two types of gametes, one carrying the X and the other carrying a Y chromosome.

7 0
3 years ago
When the body is invaded by antigens, the immune system forms substances called?
Fantom [35]
<span>Antibodies. A. k.a. immunoglobulins. They are produced by a group of white blood cells called B lymphocytes (or B cells). There are 5 classes of immunoglobulins; IgM,IgA,IgE,IgG and IgD.The classes of antibody diifferent both in their constant region and in their activity.IgG, the most common antibody, and is found mostly in the blood and tissue fluids, and IgA is localized in the mucous membranes which line the respiratory and gastrointestinal tracts.</span>
4 0
3 years ago
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