DNA is a nucleic acid polymer composed of which repeating structural unit?

You just visit your doctor and he suggested that you're at risk for heart disease which type of lipid should you avoid eating large amount of

Assume that you are trying to identify an unknown organic molecule. It contains only carbon, hydrogen, and oxygen and is found in the cell walls of a newly discovered plant species. What type of organic compound is it? Why?

Which of the following is a result of meiosis? a. skin cells b. bone cells c. blood cells d. brain cells e. egg cells

What is the main purpose of seeds in plants that have them? a. to protect and distribute the zygote b. to sore water for the mother plant c. to be fertilized by other plants d. to entice animals to eat the plant

Which occurs during translation but not during transcription? C a). A DNA template is used to create an mRNA strand. b). A tRNA template is used to create a DNA strand. c). A tRNA template is used to create an mRNA strand. d).

Is a chameleon a lizard?

Which answer is a type of muscle tissue in the human body humoral cardiac digestive pulmonary

Select all the correct answers. According to Newton's law of universal gravitation, which statements are true? As we move to higher altitudes, the force of gravity on us decreases. As we move to higher altitudes, the force of gravity on us increases.

To amplify and express a gene of interest, it must first be cut out of the chromosomal DNA and inserted into what? A) restriction enzyme B) agarose gel C) vector D) none of these

Which statement is correct about the total mass of glucose and oxygen formed during photosynthesis? It is equal to the total mass of carbon dioxide used. It is less than the total mass of carbon dioxide used.