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kakasveta [241]
3 years ago
15

3 types of protozoan diseases and their causative parasites ​

Biology
2 answers:
luda_lava [24]3 years ago
7 0

Answer:

Hey there!

Malaria, Chagas Disease, and African trypanosomiasis are three kinds of protozoan diseases. Malaria, caused by Plasmodium Parasites. Trypanosoma cruzi causes Chagas Disease. Finally,  Trypanosoma causes African trypanosomiasis.

damaskus [11]3 years ago
4 0

Answer:

Malaria, Leishmaniasis, and Toxoplasmosis.

Malaria is caused by Plasmodium parasites.

Leishmaniasis is caused by infection with Leishmania parasites.

Toxoplasmosis is an infection caused by a parasite called Toxoplasma gondii.

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Answer:

very few cells are able to reproduce

Explanation:

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3 years ago
If you cross Bb with bb what's is the genotype ratio?
insens350 [35]

Answer:

Genotype ratio 1:1, there are two types of genotype BB and Bb in equal ratio.

Phenotype ratio 1:0, because all offspring have allele B. “B” is dominant and there is no bb genotype, so recessive trait will not be shown.

Explanation:

4 0
2 years ago
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Why can't both strands of DNA be replicated at the same time?
saw5 [17]

Answer: DNA is a molecule made up of two strands, twisted around each other in a double helix shape. The two strands are complementary which have a 5 prime end and a 3 prime end. To understand this question you must first understand the steps that follow.

DNA Replication:

<u>Step one: </u>

DNA Helicase (unzips) separates the strands.

<u>Step two:</u>

DNA Primase starts the process and makes a small piece of RNA called a primer. This marks the starting point for the DNA.

<u>Step three:</u>

DNA Polymerase binds to the primer and will make the new strand of DNA. DNA Polymerase can only add DNA bases in one direction, from the 5 prime end to the 3 prime end.

  • The leading strand is made continuously.
  • The lagging strand does not run continuously because it runs in the opposite direction. Each fragment is started with an RNA primer. DNA Polymerase then adds a short row of DNA bases from the 5 prime to 3 prime direction. This results in okazaki fragments because it can only replicate in small chunks. The process is repeated.

<u>Step four:</u>

Once the new DNA is complete the enzyme exonuclease removes all the RNA primers from both strands of DNA.

<u>Step five:</u>

Another DNA Polymerase fills in the gaps that are left behind with DNA.

<u>Step six:</u>

DNA Ligase seals up the fragments in DNA, in both strands to make a continuous double strand.

<u>Final answer:</u>

DNA Replication cannot replicate at the same time due to the leading and lagging strand.

Good luck!

7 0
3 years ago
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mel-nik [20]

Answer:

The answer is C. Diet Coke

Explanation:

The answer is c because of the carbon inside the soda which makes that tingly feeling in your tongue and all the bubbles. so sorry if its wrong but hope it helps!

3 0
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Explanation:

5 0
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