Which of the following represents a difference between rna and dna?
a
none of these are correct
b
dna contains the base thymine and rna contains the base uracil
c
rna contains the sugar deoxyribose and dna contains the sugar ribose
d
dna is single stranded and rna is double stranded

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions