What is a disadvantage of using gas chromatography

A) It is expensive to perform.

B) It takes a day or more to obtain results.

C) It requires a large quantity of the substance.

D) It doesn't provide the exact chemical composition.

Describe how Seymour Benzer's phage experiments contributed to deciphering the genetic code. (Will give branliest to best answer)

Why is the California Floristic Province a biodiversity hot spot

Which of the following methods is NOT used to determine population size? a. indirect observation c. captive breeding b. mark-and-recapture d. sampling

Over time, scientists have changed their model of our solar system. It has transitioned from

In DNA, what base pairs with guanine? A. adenine B. Cytosine C. Guanine D. Thymine

For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building. question 3 options: a. True b. False

Name the important chemical elements that circulate throughout the environment?

Sally wonders how much of a role genetics plays in determining her weight. she has heard about a gene, called ob, that codes for a protein that maintains homeostasis by regulating food intake and energy expenditure in response to adipose tissue.

Which organelle is present in the cells of a mouse but not present in the cells of a bean plant? A. cell wall B. chloroplast C. cell membrane D. centriole

Define trawling, and explain the ecological damage associated with it.