Egg laying is a character unique to which groups of animals and their ancestors?
A. birds
B. mammals
C. reptiles
D. All of the answer options are correct.
D
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Humans with mutations in the AQP1 (aquaporin-1) gene do not produce the AQP1 protein. The absence of AQP1
causes an inability to ____ in these individuals.
a. produce concentrated urine b. recognize thirst c. make large volumes of dilute urine d. control sweating e. salivate
Once retroviral DNA is incorporated into the host genome, what happens to the newly transcribed RNA?
a. The RNA is translated into host proteins. b. The RNA is translated into viral proteins. c. The RNA serves as genetic material for new viruses. d. The RNA is reverse transcribed into double-stranded DNA. e. Some is translated into viral proteins and some serves as genetic material for new viruses.
Members of phylum Arthropoda have paired, jointed appendages
____________________ Indicate whether the statement is true or false.
Agglutination tests use particulate antigens while precipitation tests use soluble antigens
Indicate whether the statement is true or false