In the process of photosynthesis, the light-dependent reactions follow the Calvin cycle.
a. true
b. false
Ans: b. false
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Which of the following can be found on cervical vertebrae only?
A) spinous processes B) multiple foramina C) transverse processes D) facets E) laminae
While studying eukaryotic mRNA processing, you encounter the sequence GUACACACAUGAG in the middle of a long mRNA transcript. Which statement can you make, based on your discovery?
a. This sequence will be replaced by a poly-A tail. b. This transcript will be assembled into a ribosome. c. This transcript has not yet undergone splicing. d. This is a transcript for Asparagine tRNA.
The bracket indicated by the letter "A" in the accompanying figure is ____
a. the epidermis b. a sweat gland c. the dermis d. the hypodermis e. a hair follicle
A friend asks you how exocrine glands differ from endocrine glands. She knows that both form from invaginated epithelium. How do you respond?
A. The liver is an endocrine gland that secretes directly into epithelial tissues. The pituitary gland is an exocrine gland that secretes into the blood stream. B. Exocrine glands produce hormones that enter the blood stream, while endocrine glands secrete sweat and oil directly to the surface of the skin. C. Exocrine and endocrine glands are essentially the same, both produce products that are secreted to the skin's surface. D. Exocrine glands are found in the thoracic cavity while endocrine glands are located in the pleural cavity. E. Endocrine glands produce hormones that enter the blood stream, while exocrine glands secrete sweat and oil directly to the surface of the skin.