Which part of a root tip is responsible for perceiving gravity?
A. zone of maturation
B. zone of elongation
C. root cap
D. zone of cell division
Answer: C
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Why was Escherichia coli thought to be a dominant member of the human gut microbial community in the past? What populations ARE important in the human gut and what evidence do we have that the specific bacteria present are important for human health?
What will be an ideal response?
The condition of atherosclerosis is defined as
A. accumulation of plaque in blood vessels. B. reduced arterial resistance. C. elevated vasodilation in the limbs. D. chronic myocardial infarction. E. coronary artery bypass.
Language and abstract thought are possible due to the ____
a. cerebellum b. pons c. cerebral cortex d. medulla oblongata
e. midbrainBacteria that can grow in the presence or absence of oxygen (O2) are called __________.
a. facultative anaerobes b. microaerophiles c. obligate aerobes d. obligate anaerobes