Refer to the accompanying figure. What is the function of the structure labeled as 4?
a. To insulate the axon
b. To release neurotransmitters
c. To synthesize cell body organelles
d. To receive inputs from other neurons
e. To send retrograde signals to the cell body
b
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Platelets function in _____
a. oxygen transport c. thermal regulation b. hemostasis d. both oxygen transport and hemostasis
The first cells probably arose about
A. 500 million years ago. B. 1.2 billion years ago. C. two billion years ago. D. six billion years ago. E. four billion years ago.
You are playing a paired dice game with your brother, and he has placed all his bets on the extreme number (2s, 3s, 11s, and 12s) whereas you placed your bets on the middle numbers (5s, 6s, 7s, and 8s). However, as the game goes on, you think that the dice are landing on the extreme numbers more often than should be allowed strictly by chance. In fact, he's winning! You accuse him of using a loaded dice, and in order to test it, you keep track of all the dice rolls for 100 rolls and run a Chi-Square analysis. The p-value you get back is 0.47. Which of the following conclusions should you draw?
A. Your brother is definitely cheating. B. Your brother is most likely cheating. C. Your brother is probably not cheating. D. Your brother is definitely not cheating.
Jelly-like material inside the cell:
a. cytoplast b. cytosol c. cytocell