The major function of ______ T cells is to secrete cytokines that affect other immune system cells (B cells, cytotoxic T cells, macrophages)
Fill in the blank(s) with the appropriate word(s)
Answer: Helper
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You get up in the middle of the night to get a drink of water and stub your left toe on the
dresser. You reach down to rub your toe with your right hand. The sensory input from this activity is received by the __________ side of the brain, and the motor output involved with rubbing your toe is controlled by the __________ side of the brain.
a. right; left b. left; right c. right; right d. left; left
Barnacles and mussels compete with each other for space on the rocky intertidal. What type of interaction exists between these two species? If you knew that mussels are capable of occupying all available space in the rocky intertidal then what would happen to the barnacles? What keeps mussels from crowding out barnacles throughout the entire intertidal zone?
What will be an ideal response?
The most widely accepted hypothesis for how plants detect gravity posits that plants detect gravity the
same why animals detect gravity.
Indicate whether the statement is true or false.Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
A) haploid B) crossing over C) autosomes D) prophase II E) fertilization