The (atoms/isotopes/stereoisomers) of an element vary in the number of neutrons in the nucleus.
Fill in the blank(s) with the appropriate word(s).
isotopes
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A parasitoid
A) is a true predator. B) actively pursues its prey. C) attacks the host indirectly by laying its eggs in or on the prey's body. D) preys only on animals.
Which of the following is(are) mostly involved in a long-lasting response to stress?
A) mineralocorticoids B) glucocorticoids C) androgens D) oxytocin
With the exception of identical twins, siblings who have the same two biological parents are likely to look similar, but not identical, to each other because they have
A) identical chromosomes but different genes. B) identical genes but different chromosomes. C) the same combination of traits but different genes. D) a similar but not identical combination of genes.
The epiglottis forms a lid over the larynx when we swallow food: it closes off the respiratory passageway to incoming food or drink.
Answer the following statement(s) true (T) or false (F)