What do cells use to get energy only when carbohydrates are not available?

How to find a gastroenterologist to review medical records?

What is the name for the percentage of space not occupied by solid matter in soil? O A. Profile material O B. Porosity C. Permeable O D. Parent material

A geologist is studying a massive rock outcrop. The texture of the rock is coarse-grained with large round grains. The geologist determines that the rock probably formed when lava cooled on Earth's surface.

Suppose synapsis occurred between two homologous chromosomes, and one had alleles for blue eyes and brown hair where the other had alleles for green eyes and blond hair. How many different combinations of these alleles would be possible?

Justify the use of cloning to save endangered animals

Blood is a mixture that is more specifically described as a

If one parent has homozygous dominant tall gene and another parent has heterozygous tall gene, what's the probability of having a child that's short? Tall?

8. Charles Darwin was the first individual to convince the scientific community of the occurrence of biological evolution. He based his findings on observations which he then used to make inferences regarding changes in populations of species.

What do you think might affect how pathogen is spread from person to person

The stomach is ___ to the heart. anterior inferior posterior superior