★ Macromolecules Quiz
Which are enzymes?
A. simple carbohydrates
B. proteins that speed up chemical reactions
C. lipids that make up the cell membrane
D. a building block of DNA
Select your answer:
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Cardiology › ViewQuantity of blood that passes a given point in the circulation in a given period of time.
A. blood pressure
B. blood flow
C. ejection fraction
D. heart rate
Types of Reproduction › View
In a family, two of the children have attached earlobes and one child has unattached earlobes. Which of these processes is responsible for the variety of traits in this family?
A. Regeneration
B. Budding
C. Sexual reproduction
D. Asexual reproduction