In the nephron, the fluid that immediately precedes urine is known as ________.
A. plasma
B. tubular fluid
C. glomerular filtrate
D. renal filtrate
E. medullary filtrate
Answer: B
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The innermost lining of the chambers of the heart is the epicardium.
Answer the following statement true (T) or false (F)
Hormones
A) help regulate water and electrolyte balance and blood pressure. B) regulate metabolism. C) do all of the above. D) have functions in growth, reproduction, and development.
Immediately following the arrival of a stimulus at the skeletal muscle cell there is a short period called the ________ period
A) relaxation B) contraction C) latent D) refractory
Answer the following questions true (T) or false (F)
1. Nuclear pores connect the cytoplasm with the nucleoplasm and allow substances to move between the two areas. 2. Sister chromatids of a chromosome are joined at a region called the centrosome. 3. To make a protein, DNA first is replicated into RNA, and then RNA is transcribed into amino acids.