Placing celery sticks in fresh water will make them more turgid and harder. This is because
A. the celery is hypotonic to fresh water.
B. the celery is hypertonic to fresh water.
C. the celery is isotonic to fresh water.
D. water moves from the celery sticks into fresh water.
E. salt moves from the water into the celery sticks.
B. the celery is hypertonic to fresh water.
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Quality control from commercially prepared media includes all of the following except:
a. receipt and verification of storage or transportation conditions. b. visual inspection for discoloration or con-tamination. c. pH the media using litmus paper. d. verification of lot numbers and expiration dates.
Tubal pregnancy occurs as a result of:
a. scarring and blockage of the oviducts. b. abnormal fertilization taking place in the oviducts. c. the abnormal beating of the cilia away from the uterus and not toward it. d. the release of more than one ovum during ovulation. e. endometriosis.
The theoretical maximum rate of reproduction that can be attained is known as the
A. biotic potential. B. lag phase. C. limiting factor. D. density-dependent limiting factor.
Axopodia of Rhizaria are used for feeding rather than for motility.
Answer the following statement true (T) or false (F)