Which observation proves that a cell is a eukaryote

a. the cell uses ribosomes to create protein

b. the cell contains dna

c. the cell contains nucleus

d. the cell has a cell membrane?

Creates clouds, snow, sleet, rain and hail A. Radiation. B. Conduction C. Convection D. Water Cycle

Which of the following correctly describes a way in which Earth's atmosphere interacts with the geosphere? It contains gases that living organisms breathe. It contains gases that trap incoming solar radiation.

How do aquatic ecosystems cause climate change to happen

How are parasitic fungi different from other fungal symbionts?

The standard potentials for the reduction of nicotinamide adenine dinucleotide (nad+) and oxaloacetate (reactants in the multistep metabolism of glucose) are as follows:

When scientists identify the age of a fossil they

In a small population, a random Chang in allele frequency is called

Which charterstic makes the nine amino acids essential

What can scientists infer about the period of very early Earth from the lack of fossilized remains of oxygen breathing animals and the dominance algae?

What part of the cell membrane that recognizes chemical signs