The spreading of cancer cells, wound healing, and blood clotting all rely on the same type of cell movement called:  

A.  swimming.
B.  crawling.
C.  waving.
D.  whipping.


B.  crawling.

Biology & Microbiology

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The majority of bacterial DNA is negatively super coiled

Indicate whether the statement is true or false

Biology & Microbiology

At zero population growth:a

b = d. b. b > d. c. b < d. d. r > 0. e. r > K.

Biology & Microbiology

Why has C. elegans proven to be a useful model for understanding apoptosis?

A) The animal does not naturally use apoptosis, but can be induced to do so in the laboratory. B) The nematode undergoes a fixed and easy-to-visualize number of apoptotic events during its normal development. C) This plant has a long-studied aging mechanism that has made understanding its death just a last stage. D) While the organism ages, its cells die progressively until the whole organism is dead.

Biology & Microbiology

Explain the ABO blood system and why is it important to fully understand this system in regard to blood transfusions

What will be an ideal response?

Biology & Microbiology