1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
polet [3.4K]
3 years ago
13

Why is a second blood test necessary three months after a person thinks he or she has been exposed to hiv?

Biology
2 answers:
stepan [7]3 years ago
7 0
It takes 3 months for antibodies
Elza [17]3 years ago
6 0
The antibodies to the HIV virus may take up to three months to appear in the blood of the infected person. 
Therefore, the second blood test is necessary three months after a person thinks that he/she has been exposed to HIV to check the presence of these antibodies and confirm whether the person is infected or not.
You might be interested in
Indicate whether the C-terminus (C) or the N-terminus (N) of each of the following proteins is expected to be located in the cyt
musickatia [10]

Answer:

The correct answer is - CNN.

Explanation:  

Protein modification or folding takes place in the endoplasmic reticulum. The Endoplasmic Reticulum modifies the amino acids according to their signal sequences and tail. The following case can help in indicating the C-terminus (C) or the N-terminus (N) of each of the following proteins-

A) the C-terminus would be placed in the cytosol and the N-terminus in the endoplasmic reticulum lumen after cleaving the N-terminal signal sequence.

B) The N -terminal is the positive end of the chain and as per the rule of positive inside it allows N terminal in the cytosol

( C ) Tail-anchored proteins always have their N-terminal bulk in the cytosol.

Thus, CNN would be the correct answer from the explanation given above.

3 0
3 years ago
Write the entire name of dna
PilotLPTM [1.2K]

deoxyribonucleic acid

4 0
3 years ago
Read 2 more answers
The breakdown of _______ in the Mitochondria provides the energy to add phosphate onto ADP to make ATP
alex41 [277]
Does it have any answers?

3 0
3 years ago
Which evolutionary adaptations health plan succeed in sprite on land
algol [13]
The right one is 240
3 0
3 years ago
In what shape does blood fall?<br> A) square <br> B) tear drop <br> C) spherical <br> D) elliptical
nlexa [21]

Answer:

In what shape does blood fall?

Blood forms a spherical shape (perfect circular shape) almost immediately upon separating from the blood source. The spherical shape is caused by the surface tension of the blood. Surface Tension causes the blood drop to pull itself in; both horizontally and vertically.

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • The Yellowstone National Park Food Web Is Shown Below
    13·1 answer
  • Jason’s team studied the________ , which measures incoming solar radiation and outgoing terrestrial infrared radiation.
    5·2 answers
  • Describe the integumentry system in three words
    10·1 answer
  • Why does the combination of respiration and photosynthesis allow a sealed environment to survive almost indefinitely?
    9·2 answers
  • What are the answers to 3 and 4
    8·1 answer
  • Why is DNA replication such an important process?
    14·2 answers
  • Neurons are best described as:
    14·1 answer
  • Many of the phenotypes of DiGeorge syndrome have been traced back to one of the genes that is in the deleted region, TBX1. Some
    6·1 answer
  • Can someone please help me on # 4?
    9·1 answer
  • A viral genome:_________
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!