Dna replication occurs in a cell in all of the following situations, except when
a) cells undergo meiosis.
b) cells undergo mitosis.
c) proteins are synthesized.
d) cells repair damage from uv light.

the answer is:

carbon dioxide

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

b. read the phase at the intersection of any given temperature and pressure.