Elephants are large animals because they
a. have bigger cells.
b. possess expandable cells.
c. are made of a greater number of cells.
d. have bigger cells and are made of a greater
number of cells.
e. have bigger cells that are expandable and of
greater number
C
You might also like to view...
The sympathetic nervous system is part of the
A. CNS. B. autonomic nervous system. C. somatic nervous system. D. learning and memory system. E. limbic system in the brain mediating emotion.
The restriction enzyme SmaI cuts DNA at the 6-base recognition sequence 5'-CCCGGG-3'. Calculate the frequency of occurrence of this sequence. (Assume a 50% GC content.)
What will be an ideal response?
Generally the respiratory system in birds
A. is a one-way circulation of air so constant oxygen absorption can meet the high oxygen demand. B. resembles the positive pressure system of a frog. C. is identical to the human breathing system. D. is merely accelerated by the flight muscles.
Which process is used to reduce the number of chromosomes from parent cell to daughter cell?
a) meiosis b) mitosis c) independent assortment d) crossing over