Gretchen is determined to lose weight, and has been following a very low-carb diet and running a 12-mile loop six days a week. As her body's glycogen stores become depleted, what fuel provides energy to her brain?

What is one function of the embedded proteins

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline