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Setler [38]
3 years ago
10

Please know this it’s science

Biology
1 answer:
Leya [2.2K]3 years ago
8 0

Answer:

I think its B

Explanation:

I hope this helps <3

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Which statement is true of the X chromosome?
alexgriva [62]

Answer:

The correct option is D

Explanation:

A male sperm needs a x chromosome and y chromosome , whereas a female sperm needs 2 x chromosomes , Thus both genders needing x chromosome

4 0
1 year ago
Which molecule brings amino acids to the ribosomes during protein synthesis?
Andreas93 [3]
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein
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3 years ago
The period of development is the time from conception to birth. (Watch your spelling!)
kenny6666 [7]

Answer:

Prenatal period.

Explanation:

Two main types of reproduction that exist in living organisms are sexual reproduction and asexual reproduction. The fusion of the male and female gamete leads to the formation of zygote in case of sexual reproduction.

The prenatal period may be defined as the time development required for the fetal to grow in the womb. The prenatal period starts from the conception and remains till the birth of the child. Three main stages of prenatal period are germinal stage, embryonic stage and fetal stage.

Thus, the answer is prenatal period.

3 0
2 years ago
Read 2 more answers
How do limiting factors affect individual species and populations within a community?
kompoz [17]

Limited factors would mean that as the population in a community grows individual species would have to compete for those limited factors as the population reaches its carrying capacity. Also, the population as a whole would only be able to reach a certain number before falling due to there not being enough of the limited factors (ex. food) for that population to continue growing exponentially.

7 0
3 years ago
The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
anzhelika [568]

Answer:

B

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

7 0
3 years ago
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