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katen-ka-za [31]
3 years ago
13

The anicient bacteria is in what domain

Biology
1 answer:
GenaCL600 [577]3 years ago
4 0
Ancient bacteria or archaebacteria, are classified in the domain Archaea.
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Which is required for sexual reproduction?
LUCKY_DIMON [66]

Answer:

D) meiosis

Explanation:

Basically, meiosis is required for sexual reproduction.

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Chemical changes
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If the integument of an angiosperm seed contains cells with 20 chromosomes, how many chromosomes would you expect to find in the
OleMash [197]

Answer:

30

Explanation:

The seed of an angiosperm is formed as a result of fertilization (fusion of sperm in pollens and the ova from ovary). According to the question, the cells of the seed which will grow into the plant contains 20 chromosomes. Seeds of angiosperms contain a tissue called ENDOSPERM that forms as a result of the unique DOUBLE FERTILIZATION in angiosperms. It occurs when one haploid sperm cell fuses with two haploid polar nuclei to form a triploid endospermic structure that serves as food for the growing embryo in the seed.

Now based on the above explanation, the diploid plant cell with 20 chromosomes will have 10 chromosomes (half as much) in its gametes as a result of meiosis. This 10 chromosomes in each gamete (sperm and ovum) fuses to form a diploid zygote with 20 chromosomes, while one haploid sperm cell (10 chromosomes) also fuses with two haploid polar nuclei (10 chromosomes each) to form a triploid endosperm with 30 chromosomes i.e. 10+10+10.

8 0
3 years ago
A hip replacement was not performed properly, and the right hip is not aligned to the left hip by just 1 cm. What would be the e
seropon [69]

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It would be painful at it's initial stages

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The improper placement of the right hip is going to cause an imbalance in walking, standing and most especially while climbing the stairs. This condition can be corrected by using a footwear with a higher sole on the right leg

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3 years ago
These connect bones to muscles. A. Joints B. Marrow C. ligaments​
kati45 [8]

Think it's C since joints connects two bones together and marrow is inside bones.

8 0
3 years ago
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