<span>Cortisol level is low and ACTH is high. This is signs of primary adrenal insufficiency. Low cortisol caused by damage to the anterior pituitary, and ACTH is elevated to compensate.</span>
Answer:
Messenger RNA is a type of RNA that is necessary for protein production. In cells, mRNA uses the information in genes to create a blueprint for making proteins. Once cells finish making a protein, they quickly break down the mRNA. mRNA from vaccines does not enter the nucleus and does not alter DNA.
So the answer will be C or A
Explanation:
Answer:
I think this is 2 because there would have been bigger predators in the ocean vs. a lake
Answer:
Option A, keystone species
Explanation:
Keystone species are responsible for controlling any species from becoming dominant over all other species. The keystone species are found at the top of all the energy pyramids and food chains.
They control the explosion of population of prey and hence regulate the overall ecological diversity.
Some common example of keystone species is as follows –
Bison, prairie dog, large mammalian predators,
Hence, option A is correct
The pedigree above shows the family history of the recessive blood disorder sickle-cell anemia. What are the chances of the child having the desise or carrying the gene for the disease?
A. Child I has no change of having the disease and no change of caring it
B. Child i has a 50 present chance of having the disease and a 50 precent chance of carrying the disease
C. Child I has no chance of having the disease and a 50 present chance of carrying the disease
D. Child I has a 100 present chance of having the disease and a 100 present chance of carrying the disease.
Answer:
C. Child I has no chance of having the disease and a 50 present chance of carrying the disease
Hope that helps and good luck
~May
