Thigmotropism is A.) the directional response of a plant organ to touch or physical contact with a solid object
B.) the up-down growth response
C.) growth of plants toward light
D.) the growth of plants towards heat

Which blood cell spend most of their time in the lymphatic system?

Select the correct answer from each drop-down menu proteins are

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.