which is most likely to inhibit the flow of water through a plant?

a. a decrease in the number of root hairs
b. excess carbon dioxide in the atmosphere
c. damage to the vascular tissue
d. a decrease in the concentration of minerals in the soil

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?