Which of these are components of DNA? Select five options. deoxyribose sugar molecules
ribose sugar molecules
adenine
phosphate molecules
ribosome
cytosine
thymine

When water freezes, it . contracts expands

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

Examine the following diagram. place the labeled layers in order from youngest to oldest.