Which of the following blood vessels carry CO2-rich (and oxygen-poor) blood back to the heart? Select all correct choices
A. venules
B. arterioles
C. veins
D. arteries
E. capillaries
A,C
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Experimentally offering newborn coastal and inland garter snakes banana slugs demonstrated that ________
a. only the coastal variety of garter snakes carry the for gene b. coastal garter snakes instinctively reject toxic banana slugs c. there is a genetic basis to food preference in garter snakes d. snakes eat whatever food provides the appropriate stimulus to their nervous system
In what part of the cell does a polar signaling molecule bind its receptor? A nonpolar signaling
molecule? Explain your reasoning. What will be an ideal response?
Which of the following is NOT an important feature in distinguishing animals from each other?
a. presence and cellular arrangement of tissues b. growth of skeletal elements c. body symmetry d. development of the gut e. method of locomotion (movement)
Which of the following cell structures are associated with the breakdown of harmful substances?
A) chloroplasts B) mitochondria C) peroxisomes D) centrioles