A recombinant vaccine is used to protect against
A. polio.
B. diphtheria.
C. hepatitis B.
D. pertussis.
C
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How do carnivores and herbivores differ?
A. Carnivores must eat more frequently than herbivores. B. Carnivores and herbivores require different enzymes to digest their food. C. Carnivores can be opportunistic but herbivores cannot. D. Herbivores can be opportunistic but carnivores cannot. E. Herbivores remain herbivores at all stages of development, while carnivores are often herbivores in their larval stages.
To clone an animal by embryo splitting, ____
a. there must be two host animals and two fertilized eggs b. a fertilized egg is collected from a donor mother and implanted into a host animal c. an egg is fertilized by in vivo fertilization and remains in the host animal to mature d. an embryo must be in a blastocyst stage in the host animals while the splitting takes place e. an unfertilized egg is collected from a donor mother and then fertilized in a dish by in vitro fertilization
The sodium-potassium pump transports two Na+ out of the cell for every two K+ transported in
____________________ Indicate whether the statement is true or false.
A large industry exists based on the synthesis of amino acids by microorganisms
Indicate whether the statement is true or false