BIO 116 Exam 1 questions Rated 100% Correct!!

All viruses have: genetic material, capsomeres, an envelope, ribosomes - genetic material & capsomeres basal taxon - first to diverge from common ancestor identify the statement which CORRECTLY describes all clades. a. include an ancestral species & some of its descendants b. members are grouped together based on morphology c. they are groups that don't share a common ancestor d. they are monophyletic groups - d. they are monophyletic groups Identify the statement which CORRECTLY describes evolution. a. genetic changes over generations within a population b. results from evolutionary adaptations within individuals c. occurs by natural selection d. decreases the number of individuals within a species by eliminating alleles - a. genetic changes over generations within a population An elephant at the zoo has been diagnosed with a viral infection. Hypothesize which of the following is TRUE regarding the phylogenetics of the elephant and the virus. a. They are sister taxa because the elephant is infected with the virus. b. They form a polytomy because the virus is a disease and the elephant is the host. c. The elephant is in the domain Eukarya while the virus is not classified in a domain. d. The elephant and virus are in the same domain, but not in the same kingdom. - c. the elephant is in the domain Eukarya while the virus is not classified in a domain Identify which of the following does NOT occur during the lysogenic cycle of viral reproduction. a. Prophage integrates into bacterial chromosomeb. Host cell lyses c. Phage DNA replicated d. Host cell divides - b. host cell lyses