What primitive form did nucleic acids take?

- polypeptides

- deoxyribonucleic acid

- ribonucleic acid

Hen ice is used to keep foods cold, the food container must be in ice up to the level of the food. what is the best way to know if the food is staying cold enough?

Theodor engelmann broadcast light that had been passed through a prism onto a mat of algae. this exposed different parts of algae to different wavelengths of light.

When you smile, you have dimples is this a gen or a jene

How many moon have a pluto? give they name

Vector-borne transmission of an infectious organism occurs via: Select one: A. direct contact. B. animals or insects. C. smoke or dust. D. inanimate objects.

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?