Predation can change the life history of a prey species when predators choose prey based on their _________.
A. speed of movement
B. body size
C. coloration
D. population size
E. habitat
Answer: B
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When a group of functionally related genes located next to one another along the bacterial DNA is transcribed together as a single molecule of mRNA, that mRNA is called a ____ RNA
What will be an ideal response?
T cells attack
A. transplanted tissue cells from one host to another. B. cancer cells. C. host cells that have been parasitized by microorganisms. D. All of the choices are correct.
Pedigrees ____
a. are usually constructed using the phenotypic information of one generation b. cannot determine whether a trait has a dominant or recessive pattern c. use squares to represent females and circles to represent males on their diagrams d. are not useful in deducing the genotypes of parents e. provide information on the patterns of inheritance of a trait
A frameshift mutation results in _______________________.
A. a normal protein due to the redundancy of the genetic code. B. errors in DNA replication. C. errors in DNA splicing. D. a change in all mRNA codons downstream from the mutation. E. a change in the third position of one codon.