Before it opens up into full blossom, the outer green layer of a rosebud consists of the leaflike
A) sepals.
B) stamen.
C) ovary.
D) petals.
Answer: A
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The existence of MZ twin pairs in which only one has autism suggests that
A) some MZ twins are really dizygotic. B) the environment contributes to autism. C) twins cannot become autistic. D) genes do not contribute to causing autism.
biology, many complementary processes exist. Explain how condensation reactions are
complementary to hydrolysis reactions. What will be an ideal response?
Which of the following represents the contents of a cell in G2 phase (before cell division begins)?
A) Cell G B) Cell H C) Cell K D) Cell M E) Cell P
The percentage of individuals in a community that belong to one species is called the relative ________ of that species
Fill in the blank(s) with correct word