The intercellular spaces between plant cells

a. contain air.
b. are responsible for cytoplasmic streaming.
c. produce energy for the cell.
d. contain chloroplasts.


c

Biology & Microbiology

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As radiation strikes molecules in cells, it creates ____

a. charged atoms called isotopes b. charged atoms called ions c. excess storage of tRNA d. excess copies of mRNA e. excess DNA polymerase

Biology & Microbiology

Which of the following is a producer?  

A.  pine tree B.  cricket C.  mushroom D.  rabbit E.  red-tailed hawk F.  earthworm Clarify uestion · What is the key concept addressed by the question? · What type of thinking is required?   Gather Content · What do you already know about trophic levels?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Who was Aldo Leopold?

A) a conservationist B) a statistician C) a hunter D) a marine biologist

Biology & Microbiology

As you climb a flight of stairs, what type of energy are your legs in motion using?

a. kinetic energy b. thermal energy c. chemical energy d. electrical energy e. potential energy

Biology & Microbiology