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ASHA 777 [7]
3 years ago
7

Please help with put you as brainliest answer!!!!

Biology
1 answer:
adell [148]3 years ago
3 0

John: he has naturally acquired active immunity to chicken pox from his previous exposure

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Which parasitic protist evades the host immune system by altering its surface proteins with each generation?
aleksandr82 [10.1K]

Answer:

Trypanosoma brucei

Explanation:

T. brucei is a unicellular eukaryotic parasite that causes sleeping sickness. This organism has an elongated body, central nucleus, only an elongated mitochondria housing the kinetoplast, where the mitochondrial DNA is located; It has a scourge that gives it motility. Its undulating cell membrane, as a result of flagellar movements, is covered with glycoproteins that elicit little immune reaction, allowing this parasite to go unnoticed.

This organism infects the host by evading the host's immune system by altering its surface proteins with each generation.

7 0
3 years ago
The crossover frequency between genes D and G is 32% how many units apart are genes D and G on the chromosome?
Katen [24]

Answer:

32 map units

Explanation:

hope it helps

8 0
2 years ago
What happen to the brain and the brain cavity?
Gnoma [55]

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<h2>hope this helps have a awesome night/day❤️✨</h2>

Explanation:

8 0
3 years ago
What is the start codon and its importance to the reading frame?
tia_tia [17]

Answer:

b.Time conversion from Universal Time Coordinated (+0) to Central Standard Time(-6). UTC to CST time zones converter, calculator, table and map.

7 0
3 years ago
Why is the person with low level of hoemoglobin feels tired soon walking​
Georgia [21]

Answer:

When you have too little hemoglobin or not enough red blood cells, your body doesn't get enough oxygen so you feel tired or weak.

Explanation:

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3 years ago
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