What makes up the backbone of a dna molecule?

What are the 8 characteristics of life?

Viruses are not considered to be living things, but they depend upon living cells for energy, reproduction, and protection at the expense of the cells that they invade.

How does ph and temperature affect enzyme activity?

Why are leaves green? a. chlorophyll molecules mainly absorb light in the ultraviolet and red-orange part of the electromagnetic spectrum. chlorophyll does not absorb much green light, which is reflected to our eyes. b.

In most hypotheses of early Earth and the formation of life, it is accepted that the atmosphere was a reducing one.

What function does the adipose tissue surrounding the heart serve?

Why is the human brain not considered to be living organism

How can we predict the ways will interact with each other in different ecosystem?

What is your fav number

Put birds, fly, spider, horse, cow, goat,& human in correct food chain order?