Noneveloped viruses enter their animal host cell via an active process that requires the participation of the animal cell.
Answer the following statement true (T) or false (F)
True
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Functionally speaking, a nerve impulse is
a. a flow of electrons along the outside of the plasma membrane of a neuron. b. the movement of cytoplasmic elements through the core of the neuron. c. a series of changes in membrane potential. d. a lengthening and shortening of the membrane extensions of a neuron. e. a turning on and off of the sodium-potassium pumps of a neuron.
Methanogens may contribute to the greenhouse effect and global warming due to methane production.
Answer the following statement true (T) or false (F)
Which of the following initially traps solar energy in the process of photosynthesis?
A) water B) chlorophyll C) triose phosphate D) NADP+ E) ATP
Freddie is 8 months old and weighs 9 kilograms. He needs about ______ grams of protein per day.
What will be an ideal response?