The ____________ is a region around a star where liquid water can exist
Fill in the blank(s) with correct word
habitable zone
You might also like to view...
Which of the following assembles a short RNA chain as the first nucleotides in a new DNA strand?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase
Exoenzymes from pathogens are called virulence factors.
Answer the following statement true (T) or false (F)
Negative-feedback control involves which of the following?
A. The product of a gland stimulates the gland to produce more product. B. The product of gland A stimulates gland B to produce its hormone, which inhibits gland A. C. The hormone produced by gland A stimulates gland B. D. The hormone produced by gland A stimulates gland B to produce its hormone, which stimulates gland A.
Positive feedback differs from negative feedback in that _____
A) positive feedback benefits the organism, whereas negative feedback is detrimental B) the positive feedback's effector responses are in the same direction as the initiating stimulus rather than opposite of it C) the effector's response increases some parameter (such as body temperature), whereas in negative feedback it can only decrease the parameter D) positive feedback systems have only effectors, whereas negative feedback systems have only receptors