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Furkat [3]
3 years ago
8

Can someone help me pretty please

Biology
1 answer:
AnnZ [28]3 years ago
5 0
The correct answer would be (C. it spins to make the generator work.
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Please answer 5&6. Thank you.
erastovalidia [21]

Answer:

5. The correct answer would be an option A. ova

Note: I assume that all the samples are of human origin.

DNA (deoxyribonucleic acid) content of somatic cells of humans consists of 46 chromosomes or 23 pairs of chromosomes. Gametes (sperm or ova) are haploid cells produced by the process of meiosis and contain half the number of chromosomes found in parent cell. Hence, they contain 23 chromosomes.

6. The correct answer would be an option J.

Sperm formation or spermatogenesis is the process by which spermatozoa (haploid gamete) is produced from germ cell with the help of meiotic division.

Meiosis results in the formation of four haploid (n) cells from single diploid (2n) parent cell. Here, 2n is given as 8 so, n would be equal to 4.

Meiosis I results in the formation of two secondary spermatocyte cells (both haploid or 4 chromosomes in this case) from single primary spermatocyte (diploid or 8 chromosome in this case).

Both the secondary spermatocytes undergo meiosis II to produce 4 spermatids (each haploid or 4 chromosome in this case). Spermatids differentiate and mature into spermatozoa.

3 0
3 years ago
Explain the difference in meaning between the words microbe and pathogen.
Ivanshal [37]

Answer:

Different diseases are caused by different types of micro-organisms. Microbes that cause disease are called pathogens. It is important to remember that: A pathogen is a micro-organism that has the potential to cause disease.

8 0
3 years ago
Which might have more mitochondria, a muscle cell or a bone cell? why?
Tom [10]

Answer:

Explanation:

  • Explanation:How many grams are in 5.4 moles of iron (III) sulfate, Fe2(SO4)3?<u>⇔⇔∉↑·</u><em><u>ПНПёП</u></em><u>сж</u>

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5 0
2 years ago
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The organization of similar organisms into groups helps scientists understand how living things are related. It
galben [10]

Answer:

Explanation:

THE ANSWER IS DOMAIN

8 0
2 years ago
In the 1950s, what discovery revolutionized biotechnology?
Ahat [919]
<span>it was molecular structure of DNA this was appeared 1n April 1953 Watson and Crick presented the structure of DNA- Helix.it carried the genetic information. the DNA Molecule shaped in twisted ladder.franklin produced an X- ray photograph. DNA structure is made of molecules called nucleotide. Watson and crick also work on 3-D structure of DNA. this mark the history in molecular biology to understanding the genes control and genetic information.they also work on cell.they use stick and ball to understand to test their idea.</span>
5 0
3 years ago
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