Sophia human biology Milestone 1 , Questions And Answers

Milestone 1

1



Which of the following statements about enzymes is true?



Enzymes are composed primarily of carbohydrates.



Enzymes are single-use proteins that must be regenerated after each reaction.



Enzymes can only break down larger substances into smaller ones.



The function of an enzyme is to speed up chemical reactions that occur in your body.

CONCEPT

Enzymes

2



Which of the following characteristics is shared by all organisms?



Being made up of multiple cells



Cycles of consciousness and sleep



Division into multiple sexes



The ability to grow and reproduce

CONCEPT

Organisms

3

, Which of the following describes an organic compound?



A compound that cannot be broken down by the cell



A compound made up of carbohydrates



A compound found only in eukaryotic cells



A compound that contains the element carbon

CONCEPT

Carbohydrates

4



Which of the following is part of the cytoskeleton?



Macrofilaments



Macrotubules



Microfilaments



Intermediate tubules

CONCEPT

Cytoplasm

5



Which of the following is a characteristic of the plasma membrane?



The outward facing phospholipid tails give it a rough quality.