B. DNA uses deoxyribose and RNA uses ribose.
C. DNA has adenine and RNA has thymine.
D. DNA has thymine and RNA has uracil.
(B) When antibodies bind to a bacterial cell, it may keep that cell from adhering to host cells.
(C) The specific receptors on T cells that would interact with a specific antigen are the same shape as antibodies that will interact with that antigen.
(D) By binding to antigens, antibodies mark those antigens for destruction by macrophages.
(E) By binding to an invader, antibodies attract proteins that lyse the target membrane.
B. Measure how fast the saplings of different kinds of oaks grow.
C. Cut down an adult red oak and count its rings.
Answer:
Th correct answer is "Grow a sapling from seed and measure its growth periodically."
Explanation:
To find the answer to a question about nature, it is best to plan an experiment in which the natural event in question can be directly observed and measured.
pit
thermo
heat
Answer:
Pit
Explanation:
Pit are one of the organs in rattlesnake that allows them to detect infrared radiation. The other organ that functions in a similar manner is their eyes.
The pit organ acts like a pin hole camera, allowing radiation to pass though its opening and eventually hitting and warming the back wall.
The ability to detect infrared heat radiation enables rattlesnakes to locate its prey in any environmental condition, especially in the dark. Rattlesnake's preys are usually warm blooded, hence, the relevance of the infrared heat radiation detecting pit.
the answer to this question is pits
Answer:
Explanation: The difference is that El Nino warms and La Nina cools.