Which of the following form tubes and are alive when mature?
A) parenchyma cells
B) collenchyma cells
C) water-conducting cells
D) food-conducting cells
D
Biology & Microbiology
You might also like to view...
If 20% of nucleotides in the DNA of a particular organism contain thymine, estimate the percentage of cytosine that is present in the DNA.
A. 40% B. 80% C. 20% D. 15% E. 30%
Biology & Microbiology
This tissue lines the heart
a. A b. B c. C d. D e. E
Biology & Microbiology
Desulfovibrio bacteria can perform the following reaction: S6- S2-. These bacteria are
a. Synthesizing sulfur. b. Reducing sulfur. c. Hydrolyzing sulfur. d. Oxidizing sulfur.
Biology & Microbiology
Jonas Salk developed a(n) (attenuated/inactivated/subunit) polio vaccine in 1955.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology