Answer:
I believe it is D
Explanation:
If an antibody is produced for a bacteria, then it would be specific to that bacteria. If the bacteria evolves, an new antibody would have to be produced to mach that new strain of bacteria. I could be wrong, but that is my reasoning. Hope it helps :)
Answer:
I think the answer is the first option (A)
Explanation:
Answer: The genes that can give you red-green color blindness are passed down on the X chromosome. Since it's passed down on the X chromosome, red-green color blindness is more common in men. This is because: Males have only 1 X chromosome, from their mother.
Answer:
equal to the sum of its parts.
Explanation:
Required
Which option answers the question?
The mass of an object is the total amount of matter in that object. When the term total amount in describing a concept, it means the summation of all its constituents.
In fact, that is the reason why the mass of an object is always constant because it is independent on gravity.
Take for instance, a brick.
Every part of the brick contribute to the mass of that brick and whenever the brick loses some of its part, either through wear and tear or any other means, the brick loses the mass of the lost part.
Hence, from the list of given options; option B is correct.
Answer:
In stem cell transplants, stem cells replace cells damaged by chemotherapy or disease or serve as a way for the donor's immune system to fight some types of cancer and blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma. These transplants use adult stem cells or umbilical cord blood.Explanation:
