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iVinArrow [24]
2 years ago
7

Can someone please tell me I NEED TO KNOW THIS ASAP

Biology
2 answers:
koban [17]2 years ago
5 0
D is a sperm cell, The sperm unites with (fertilizes) an ovum (egg) of the female to produce a new offspring.
Lostsunrise [7]2 years ago
5 0

Answer:

D is a spermatozoa (basically sperm on a microscopic level)

Explanation:

The function of sperm is to complement an ovarian egg and activate embryo development. Aka, it helps fertilize an egg to conceive a baby.

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Cardiac muscle does not exhibit tetanus beacuse it has A. exclusively aerobic respiration. B. fast Ca2 channels. C. a long absol
Nina [5.8K]

Answer:

C, a long absolute refractory period.

Explanation:

Tetanus is not possible in cardiac muscle tissue because cardiac cells have longer action potentials and a very long refractory period compared to other cells. This helps prevent the heart from cramping and seizing up.

5 0
2 years ago
When managing a 28-year-old male patient who has been vomiting blood and has a fever, the emt considers that the patient might h
nydimaria [60]
The answer to that is (2)
3 0
3 years ago
In squash, yellow seeds are dominant over green seeds. If two heterozygous yellow seed squash were crossed, what are the genotyp
Umnica [9.8K]

Answer:

The result of cross two squashes with yellow seeds is an offspring of squash with green seeds -dominant caracter- heterozygous and yellow seeds squashes in a genotype proportion 1:2:1  and phenotype proportion 3:1

Explanation:

The cross of two heterozygous individuals for a characteristic results in an offspring that will have both characteristics in pure and heterozygous form. It is a cross monohybrid which complies with the principle of independent segregation exposed by Mendel.

For the characteristic "seed color" the green color would be G and yellow represented as g.

At the cross of two heterozygous squashs:

- Parents: Gg X Gg

- <u>Punnett's Square</u>:

Alleles    G         g

G           GG       Gg

g           Gg        gg

Offspring:

  • A pumpkin of green seeds GG (25%)
  • Two pumpkins of green heterozygous seeds Gg (50%)
  • One pumpkin of yellow seeds gg (25%)

Genotype proportion 1:2:1

Phenotype proportion 3:1

8 0
3 years ago
Which of the following substances increases in quantity during repititive muscle contraction during oxygen deficti ?​
sleet_krkn [62]

Answer:

Lactic Acid

Explanation:

Lactic acid builds up during strenuous movement combined with lack of sufficient oxygen.

3 0
2 years ago
What is ATP in simple terms?
hram777 [196]

Adenosine triphosphate also known as ATP is a chemical that helps give the body energy

4 0
2 years ago
Read 2 more answers
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