How far are most leaf cells from a xylem vein?

a. 2.0 centimetres
b. 1.0 centimetre
c. 0.5 millimetres
d. 50 micrometres


Ans: c. 0.5 millimetres

Biology & Microbiology

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Strawberries are both aggregate fruits and accessory fruits

Indicate whether the statement is true or false.

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Hydrogenated vegetable oil or trans fats are

a. as healthy as natural vegetable oil. b. as healthy as animal fats. c. more healthy than animal fats. d. less healthy than animal fats or vegetable oils. e. more healthy than vegetable oils.

Biology & Microbiology

An example of a primary sex characteristic is _______.

A. facial hair B. penis C. deeper voice D. all of the above

Biology & Microbiology

You are a very healthy 23-year-old. You complete a health care proxy and name your 19-year-old brother as your health care agent. Can he be legally your health care agent? What will be his responsibilities?

What will be an ideal response?

Biology & Microbiology