In annelids, ____ regulate the composition of body fluid.
Fill in the blank(s) with the appropriate word(s).
nephridia
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After a meal, ectotherms often situate themselves in a warm and or sunny spot. This can be critical to the health of the animal. Why is this process important?
A. The digestive process is enzyme catalyzed and regulated within the body. This behavior has nothing to do with digestion. B. The digestive process is enzyme catalyzed. An increase of 10 degrees Celsius can increase the rate of enzyme-driven reactions 2-3 times the original rate. C. The digestive process is enzyme catalyzed. An increase of 10 degrees Celsius can increase the rate of enzyme-driven reactions 10 times the original rate. D. The digestive process is enzyme catalyzed. An increase of 10 degrees Celsius can decrease the rate of enzyme-driven reactions, which provides more time for greater nutrient absorption.
Vitamin D and ___________________ are two signaling molecules that use pathways similar to steroids to interact
with target cells. Fill in the blank(s) with the appropriate word(s).
List and briefly explain three properties of plasmids that allow them to be used as effective DNA cloning vectors. What will be an ideal response?
Which of the following is a common source of antibiotics?
A) Acetobacter B) Bacillus species C) Pseudomonas D) Streptococcus thermophilus E) Streptomyces