Which describes a trait from a recessive gene? A) It causes a mutation. B) It masks a dominant gene trait. C) It can appear if it is heterozygous. D) It usually appears only if it is homozygous.

What is the reason given for holding off on the new techniques for extracting the oil?

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Uterine muscle responsiveness to oxytocin a. is enhanced by an increased in estrogen/progesterone ratio b. is prevented by high prostaglandin levels during pregnancy c.

Electromagnetic radiation can contribute to the "sick-building" syndrome concern. a. true b. false

What can we do to reduce human impact on biodiversity

Which of the following types of models is most likely to be used to predict earthquakes? a. idea model b. physical model computer model d. none of the above

What allows members of the same species to have different characteristics

Which of the following does Max represent to Feld in "The First Seven Years"? A. a chance to improve his own life B. a way to realize a dream C. an escape from a life of hard work D. a professional with solid values

Where is pyruvate made in the cell? A. Cell membrane B. Cytoplasm C. Nucleus D. Mitochondrion

Bio Bio bio question A scientific idea that has not been tested is a :