For each molecule of glucose consumed, how many times does the Krebs cycle occur?

A. Once

B. Three Times

C. Four times

D. Twice

The theory of endosymbiosis suggests that the ancestors of mitochondria were A) formed due an error in cytokinesis. B) once free-living heterotrophic prokaryotic cells. C) parasitic cells that lived within more complex organisms.

Why are bananas chronically yellow

Describe how the biodiversity in an environment impacts its stability. Explain how each of the following factors will impact a population: Shelter Competition Food Predators Disease

Empirical evidence is obtained using our human senses, which statement best explains the importance of empirical evidence in science A. This type of evidence is impossible to repeat. o B. This type of evidence is personal and unsupported, o C.

Heat and cold treatment of food products is practiced since time immemorial for food preservation. How does it prevent food spoilage?

What is the main difference between the life cycles of members of phylum bryophyta and phylum pteridophyta?

Unfinished proteins transported from the er are modified in the cell's

What would be the most likely explanation pf increased Earth tides?

A human gene has 5 alleles. how many heterozygous genotypes are possible? 5 correct answer 10 15 20 25

In the traditional phylogeny (a), the phylum platyhelminthes is depicted as a sister taxon to the rest of the protostome phyla and as having diverged earlier from the lineage that led to the rest of the protostomes.