Short actin filaments bind to tetramers of which protein to form the cytoskeleton of erythrocytes?
a. Myosin
b. alpha-actinin
c. Spectrin
d. Ankyrin
e. Arp2/3
Ans: c. Spectrin
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Cellular respiration occurs in the
a. nucleus. b. chloroplasts. c. flagella. d. mitochondria. e. cell membranes.
Synapse in which neurotransmitters decrease the chance of an action potential on the postsynaptic cell. _____ 2) Synapse in which neurotransmitters allow sodium to enter the postsynaptic cell. _____ 3) A specific type of neuron that conducts information toward the brain and spinal cord from a sensory receptor. _____ 4) The junction between a neuron and another cell. _____ 5) The short branching projections of a neuron, which provide surface area for sending and receiving signals from other cells. _____
A) Inhibitory synapse B) Synapse C) Sensory neuron D) Synaptic knobs E) Dendrite F) Axon G) Motor neuron H) Interneurons I) Ion channels J) Excitatory synapse
Which of the following is an example of the use of the binomial system devised by Linnaeus?
A. O157:H7 B. Escherichia coli C. Enterobacteriaceae D. Enterobacteriales
Which of the following is a nonvascular plant? Select all that apply.A) mossB) gymnospermC) liverwortD) fernE) hornwort
What will be an ideal response?