An accessory photosynthetic pigment of plants and algae that are often yellow or orange in color; consists of two classes—the xanthophylls and the carotenes.

What will be an ideal response?


carotenoids

Biology & Microbiology

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Which best describes genotype and phenotype, respectively?

a. The type of genetic makeup and the type of phenomena that the organism experiences b. The location of the alleles and the overall condition of the organism c. The structure of the alleles and the outward appearance of the organism d. The heritable characteristics of the alleles and the offspring of the alleles

Biology & Microbiology

One advantage that angiosperms have is a unique triploid ____, a nutritive tissue produced during

fertilization.

a. seed coat b. endosperm c. ovule d. pollen sac e. ovary

Biology & Microbiology

HIV’s primary genetic instructions are in the form of ____

a. DNA b. RNA c. proteins d. amino acids e. DNA and RNA

Biology & Microbiology

Suppose that your parents are both heterozygous for sickle cell disease. What is the probability that you will have the disorder?

a. 25%, whether or not you have siblings b. 50%, whether or not you have siblings c. 75%, whether or not you have siblings d. 100%, whether or not you have siblings

Biology & Microbiology