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2 years ago

Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient.

1 answer:

8 0

Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient. The other 50% are deficient for the herpes virus receptor, HVEM, but do express MHC class I molecules. When these mice are infected with herpesvirus by intraperitoneal injection, a robust virus-specific CD8 T cell response is detected at day 7 post-infection in the spleens of the infected mice.

Chimeric mice are generated where approximately 50% of the cells in the animal are genetically MHC class I-deficient - Immunobiology

: a branch of biology concerned with the physiological reactions characteristic of the immune state

To learn more about immunobiology

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Assume that endogenous acid production is 40 meq during a 12-hr period. A urine sample collected during this time contains 30 mm

MrMuchimi

Answer:

Thus, the Quantity of $HCo_{3}^{-}$ Present in urine sample in 24 hours is 35mmol

Explanation:

Acid Production in 12 hours = 40 meq

For, 24 hours = 40 meq × 2

Acid Production in 24 hours = 80 meq

Urine sample for $NH4^{+}$ = 30mmol

$HCo_{3}^{-}$ Present in Urine Sample in 24 hours

= Acid Production - Urine sample for $NH4^{+}$ - Titratable Acid

= 80 - 30 - 15

= 50 - 15

= 35mmol

$HCo_{3}^{-}$ Present in urine sample in 24 hours is 35mmol

7 0

4 years ago

Which of the following statements is correct?

geniusboy [140]

Answer:

Offspring of two different true-breeding varieties are called hybrids.

Explanation:

Pure-breeding plants are plants that self pollinate for many generations and all its offspring had the same features as the parents, generation after generation.

When Mendel cross pollinate this pure-breeding plants with contrasting traits, the offspring is called hybrids because they resulted from a cross between two pure-breeding plants with contrasting traits.

3 0

3 years ago

Dog breeders have a purebred black male dog and a purebred white female dog of the same breed. When they bred these two dogs, al

sladkih [1.3K]

D. Dominant

It is dominant as...
The white coat alleles are recessive, meaning the black coat would most likely be dominant alleles. Assuming the black coated dog had the alleles of BB, and the white coated dog had the alleles ww, there would be a 100% chance that the offspring would have Bw alleles, where the black coat is dominant, "all the offspring were black".
B = Black, W = White
B B
w Bw Bw
w Bw Bw
The diagram above shows that the offspring would be 100% black coated.

Not sure if you wanted an explanation, but I tried.

3 0

4 years ago

Why do the cardiovascular and respiratory system depend on eachother?

Darina [25.2K]

Answer:

to circulate blood and oxygen throughout the body

Explanation:

air moves in and out the lungs through the trachea, bronchi, and bronchioles. blood moved in and out the lungs through the pulmonary arteries and veins that connect to the heart

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4 years ago

What structure regulates the movement of materials in and out of the nucleus?A. cell membrane B. nuclear membrane C. cytoplasm

Svetradugi [14.3K]

The <span>structure that regulates the movement of materials in and out of the nucleus is the cytoplasm.
Answer: C. Cytoplasm

I hope this helps, good luck with your studies</span>

4 0

3 years ago