What types of molecules are moved by active transport? A. Large molecules
B. Ions
C. Any molecule that is on the low side of concentration gradient

Please help!!

Order the steps of protein synthesis. amino acids are lined up in a sequence. rna is modified into mrna. dna is transcribed. a ribosome binds to mrna. chemical bonds are formed and a protein is produced.

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Nucleic acid certain protein cell membranes certain carbohydrates