Some living organisms possess RNA as their only genetic material.
Answer the following statement true (T) or false (F)
False
All living organisms possess DNA as their genetic material.
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The pecking behavior in young herring gulls is triggered primarily by a red spot on the bill of the parent, and is
performed repeatedly in the same way; therefore, it is an example of ____
a. imprinting b. a learned response c. a fixed action pattern d. operant conditioning e. classical conditioning
Explain how the number of valence electrons is related to the chemical properties of an atom. Use two
specific examples in your explanation. What will be an ideal response?
What are the potential consequences if a person's kidney suddenly stopped secreting the normal hormones?
A. There would be a significant increase in the amount of potassium that is excreted by the kidneys. B. There would be an increase in the amount of water retained in the body, leading to edema. C. The person would have trouble regulating their blood volume and pressure due to the imbalance of salt in the bloodstream. D. All of the choices are potential consequences.
During release of neurotransmitter, (i) ____ influx promotes exocytosis of synaptic vesicle via activation of (ii) ____________.
a) (i) Ca2+, (ii) SNARE proteins b) (i) Na+, (ii) SNARE proteins c) (i) Ca2+, (ii) Connexin d) (i) Na+, (ii) Connexin