A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called ________ culture system.
A. fed-batch
B. semicontinuous
C. batch
D. continuous
Answer: D
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The female gamete just before it is fertilized is termed
A) a secondary oocyte. B) an oogonium. C) a zygote. D) a reprocyte.
The spread of a cancer from one site to others in
the body is known as a. a benign tumor. b. metastasis. c. a malignant tumor. d. remission. e. both a benign tumor and a malignant tumor.
A radical mastectomy involves the removal of
a. any breast tumor. b. a benign breast tumor. c. a malignant breast tumor. d. a breast, all lymph nodes under the arm, and skeletal muscles in the chest wall under the breast. e. both breasts.
Which of the following processes dominates the third trimester of human development?
A) formation of external features such as arms and legs B) formation of hair and fingernails C) rapid growth D) organ formation