From the information provided in the figure above, how would you classify the feeding strategy of organism C?
A) suspension feeding
B) predation
C) parasitism
D) suspension feeding and predation
E) predation and parasitism
Answer: D
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The waxy polymer on the leaves of vascular plants that protects them from pathogens is called
A. lignin. B. cutin. C. chitin. D. cellulose. E. sporopollenin.
Would you recommend a couple in which the male is infertile to seek genetic counseling? Why or why not? What will be an ideal response?
Many viruses enter cells through receptor mediated endocytosis. Which of the following strategies could be affective in blocking entry of this class of viruses into cells and could be used to treat viral infections?
A.) increase the activity of clathrin B.) block the actin filaments C.) block the receptor with the antibody D.) block the function of adaptin
In dogs, there is a hereditary deafness caused by a recessive allele, d. A kennel owner has a male dog that she wants to use for breeding purposes if possible. The dog can hear, but the owner is unsure of the genotype. She does a testcross (crosses it to a homozygous recessive dog), and two of the five offspring are deaf. This means that the male dog
A. has the genotype dd. B. is still of unknown genotype since there were offspring of both deaf and hearing phenotypes. C. has the genotype DD. D. is actually deaf. E. has the genotype Dd.