If a cell didn't have amino acids and could not produce them what would be the effect

Did the first living cell evolve suddenly in a single step or gradually as the result of many intermediate steps?

The process in which body cells are duplicated in order to grow and repair body tissue is called what

consider the structure and function of fats to predict which animal would have more fat: one that live close to the poles or one that lives close to the equator?

Most tumors that originate in the brain are not cancer, but growth of any tumor within the confined space of the skull can put pressure on surrounding nervous tissue and thus harm neurons.

Upon assessment of a patient with myasthenia gravis, the nurse observes drooping of the upper eyelids. what is this finding is known as?

A researcher wants to know whether children eating a high-protein breakfast will have a higher test grade. half of the children in the study eat a high-protein breakfast while the other half eats their normal diet.

What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to break down an already existing protein to produce a start sequence

What is diluvial water

What disease can occur when the pancreas is not working properly?