From which substrate is the first carbon dioxide molecule released during cellular respiration?

A. Glucose

B. Pyruvate

C. Acetyl CoA

D. Citrate (a C6 intermediate compound in the Krebs cycle)

What do the fossil skeletons tell us about the evolution of today's whales?

Through cell respiration, plants get energy from glucose. the energy stored in glucose originally came from

Identify the characteristics of life. Check all that apply. has one cell or more use energy are capable of locomotion reproduce contain bones and muscles respond to the environment grow and develop breathe in oxygen

Giraffes have long necks that allow them to eat leaves in trees. What characteristic of life is this most directly an example of?

Pioneer plant species could be described as those that, A) sprout from seeds after a forest fire. B) form large forest trees that shade understory plants. C) are slow to mature, and require a soil with well-balanced nutrients.

What would happen to the mass of a cell in a hypertonic, isotonic and hypotonic?

How do air and water movement, and land masses affect the climate

Under what circumstances does membrane transport always require energy?

What is one disadvantage of using plasma gasification to detoxify hazardous waste?

Euglena use which structure for movement? A. cilia B. flagella C. pseudopods D. they do not move