1. Gary started having the symptoms of a cold the day after he went skiing with his friends. Gary doesn't understand why he was infected since he had a cold last year. Why did Gary develop a cold again this year?a. because Gary stayed out in the cold too long he when was skiing B. because a person must get a cold twice before the body becomes immune to it c. because the cold virus can reactivate in the body about once per year d. because there are many varieties of cold viruses that cause similar symptoms

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u