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agasfer [191]
3 years ago
10

What causes male fish to develop female eggs in their bodies?

Biology
1 answer:
SpyIntel [72]3 years ago
4 0

Answer: condition intersex

Explanation: what causes this is unknown, it's been linked to manmade, environmental chemicals that block or mimic sex hormones.

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In red blood cells, the compound carbonic anhydrase increases the rate at which the reaction of carbon dioxide being converted t
Lilit [14]

Answer:

hey buddy I gess It will help you

Carbon dioxide is transported in the blood from the tissue to the lungs in three ways:1 (i) dissolved in solution; (ii) buffered with water as carbonic acid; (iii) bound to proteins, particularly haemoglobin. Approximately 75% of carbon dioxide is transport in the red blood cell and 25% in the plasma.

3 0
3 years ago
Blue whales have 44 chromosomes in every cell. determine how many chromosomes you would expect to find in the following:Sperm ce
baherus [9]

Sperm cell: We expect to find 22 chromosomes.

The spermatozoon is a small cell (5 micrometers in diameter), much smaller than the ovum, but with a movable tail (a flagellum) 60 micrometers long. To be lightweight and mobile, to quickly reach the egg, the sperm gains space by minimizing its cytoplasm and compacting its DNA. Head is covered with the acrosome, a pocket full of enzymes that will be used to pierce the membrane of the egg.

It is a haploid cell because it contains half of the genetic material of the individual, lost at the time of meiosis during the process of spermatogenesis that the primordial germ cells undergo in the seminiferous tubules of the testes.


Egg Cell: We expect to find 22 chromosomes.

The egg is the sexual cell (or gamete) produced by the females of the animals.

Like all gametes, the egg is haploid, it contains half of the chromosomes of the future embryo, so the number of chromosomes will be 22 instead of 44. Then this egg will meet a sperm cell to gather their chromosome and form an embryo of 44 chromosomes.


Daughter Cell from Mitosis: We expect to find 44 chromosomes.

Mitosis, which ensures the birth of cells identical to the mother cell during asexual multiplication (so the number of chromosomes will remain the same, it will not divide in two).

Mitosis is an asexual cell division. This means that it is just a division of a mother cell into two daughter cells, which will inherit exactly the same genetic inheritance.


Daughter Cell from Meiosis II: We expect to find 22 chromosomes.

Meiosis is a particular mode of division of the living cell by which an initial cell with 2n chromosomes (in this case 2n = 44 chromosomes), a diploid stage, gives rise to four daughter cells possessing only n chromosomes, a haploid stage (n = 22 chromosomes). Meiosis is one of the forms of cell reproduction, this process is performed on the gonads to produce gametes.

4 0
3 years ago
Read 2 more answers
The term used to describe a harmless organism resembling a harmful one is _____. view available hint(s) the term used to describ
ludmilkaskok [199]
The term used to describe a harmless organism resembling a harmful one is batesian mimicry. Cryptic coloration or camouflage makes prey difficult to spot, while aposematic coloration is a type of coloration exhibited by animals with effective chemical defenses. Mullerian mimicry is a type of mimicry in which two or more unedible species resemble each other. 
4 0
3 years ago
What are the disadvantages of development in places like Cambodia?
ohaa [14]
Cambodia is among the most poorest country economically and socially
The disadvantages of development in places like Cambodia because
<span> People living in poverty often lose their homes for the sake of developmenten 
</span>because people loses their home and get even more poorer and loses their last wealth which is their homes
so i conclude correct option is B 
hope it helps
7 0
3 years ago
Read 2 more answers
Suppose there is a protein "A" which binds to a DNA sequence and increases transcription of the gene CBC23. In the presence of m
fenix001 [56]

Answer:

A = Activator

B = Effector

Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also  known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

But another protein named as effector may restrict activator from binding to the enhancer leading to a decrease in transcriptional expression by binding to the activator allosterically. Allosteric binding of effector to the activator causes conformational change in activator so it can no longer bind the enhancer.

7 0
3 years ago
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