In birds and reptiles, waste ammonia is usually converted to ____, which uses great amounts of energy but yields the greatest water savings.
A. uric acid
B. protein
C. carbohydrates
D. carbon dioxide
E. glucose
Answer: A
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Which of the following kinds of animals are NOT arthropods?
A. crabs B. trilobites C. centipedes D. mites E. nautilus
The allele for albinism (c) is recessive to the allele for normal pigmentation (C). A normally pigmented woman whose
father is an albino marries an albino man whose parents are normal. They have three children, two normal and one albino. Give the genotypes for each person listed. What will be an ideal response?
Successive cell divisions convert the zygote into a
multi-cell embryo during a. meiosis. b. parthenogenesis. c. embryonic induction. d. cleavage. e. invagination.
Which of the following is not a function of histone H1?
A. stabilizing nucleosomes B. promoting higher order chromosome structure C. enhancing the repression of transcription by nucleosomes D. binding to regions undergoing active RNA synthesis E. All of these options are functions of histone H1