The rapid appearance of animals in the fossil record occurred during the Ediacaran radiation

____________________ Indicate whether the statement is true or false.


F, Cambrian

Biology & Microbiology

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Water is a strongly polar molecule. How does it cross the plasma membrane?

What will be an ideal response?

Biology & Microbiology

Exoenzymes from pathogens are called virulence factors.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The embryo sac with seven cells and eight nuclei undergoes double fertilization

a. Mosses b. Ferns c. Conifers d. Gingkos e. Angiosperms

Biology & Microbiology

During DNA replication, ________ are 1000-2000 nucleotide long strands synthesized on the ________ strand to maintain the ________ of replication

A) primers; leading; discontinuity B) Okazaki fragments; lagging; bidirectionality C) primers, lagging; continuity D) Okazaki fragments; leading, accuracy E) Okazaki fragments; leading; semidiscontinuity

Biology & Microbiology