If you found a vertebrate skull in the woods and the teeth were sharp and scissor-like, what type of food would you expect this animal to eat?

A) grass
B) flesh of another animal
C) nectar
D) blood


B

Biology & Microbiology

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Generally speaking, a nucleotide substitution has less severe consequences than a nucleotide addition/deletion

A. true B. false

Biology & Microbiology

The sea squirts and lancelets have an inner chamber that expels water. This chamber is called the

a. intestine. b. bladder. c. atrium. d. nephridium.

Biology & Microbiology

Prior to muscle fiber stimulation

a. the sarcomeres are contracted. b. the myosin heads are in the resting position. c. the myosin heads are activated. d. calcium is sequestered in the sarcoplasmic reticulum. e. all of these occur.

Biology & Microbiology

A stable atom has ________ in its valence shell.

A. 4 electrons B. 2 neutrons C. 8 electrons D. 8 protons E. 10 electrons

Biology & Microbiology