A community
A. is a population living in a certain habitat.
B. is a portion of a species making its home within a certain habitat.
C. includes those animals that only visit a habitat for food and drink.
D. includes all organisms that interact with one another within a local area.
D. includes all organisms that interact with one another within a local area.
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Although various codons often code for the same amino acid, it is important to choose the codon preferred by the expression host itself
Indicate whether the statement is true or false.
Some animals allow their body temperature to conform to the environment. What is the old term for these animals, and what is the newer preferred term?
A. heterotherms; homeotherms B. homeotherms; endotherms C. isotherms; poikilotherms D. poikilotherms; ectotherms E. endotherms; homeostats
The Na+/K+ pump transports ________ into the cell and ________ out of the cell per cycle.
Fill in the blank(s) with the appropriate word(s).
A ___ usually phosphorylates and modifies the functional state of a number of distinct substrate proteins
a. phosphate b. receptor for tyrosine kinase c. kinase d. amino acid residue