What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
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The osmoregulatory/excretory system of an insect is based on the operation of _____
A) protonephridia B) metanephridia C) Malpighian tubules D) nephrons E) ananephredia
Activated genes can be inactivated by reversing histone modification during a process called ____
a. chromatin remodeling b. histone remodeling c. chromatin interference d. interference remodeling e. histone interference
Air masses are deflected to the ________ in the Northern Hemisphere and to the ________ in the Southern Hemisphere
Fill in the blank(s) with correct word
Nitially, organisms were classified into only two kingdoms (by Darwin & Haeckel). The individual who developed the five-kingdom system, which is considered traditional today was
A) Carl Woese. B) Louis Pasteur. C) Stephen Hawking. D) Robert Whittaker.