Immature B cells have:
a. Four types of defense mechanisms on their cell membrane
b. Several kinds of defense mechanisms on their cell membrane
c. One specific kind of defense mechanism on their cell membrane
d. No defense mechanisms on their cell membrane

When a doctor suspects that a patient may have diabetes based on what symptoms?

What can you do to be a financially responsible consumer.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?