What is the main source of downward convection movement in the mantle

What is the basic difference between simple diffusion and facilitated diffusion across a cell membrane? hints?

Acids have ph values below 7, whereas bases have ph values above 7. true or false?

What are some facts about mitochondrion?

Chargaff discovered that: the tetranucleotide hypothesis was correct for any organism, the amount of A was equal to the amount of T DNA was a double helix for any organism, the amount of T was equal to the amount of C and the amount of G was equal

What types of protists have cells that perform all of the functions necessary for life A. Fungi-like B. Animal-like C. Plant-like D. All of the above

Write the converse of the conditional statement. If a polygon is regular, then it has congruent angles and congruent sides. If a polygon has congruent angles and congruent sides, then it is regular.

Splitting cells involves creating a single by combining two or more

Which best describes the primary function of carbohydrates in an animal cell?

What protects the inside of a cell from the outside world? cell membrane nucleus cytoplasm dna

How does DNA influence the synthesis of lipids, carbohydrates, and steroids? A. Base triplets that do not code for amino acids, code for the components of these compounds. B.