Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of

a. Acetyl-CoA

b. Citrate

c. Oxaloacetate

d. Malate

Which of the following are the smallest organisms in the ocean, and largely responsible for the generation of our oxygen?

Are poisonous substances produced by bacteria

Vines climb using tendrils. Specialized plant structures respond when they "touch" something like a wall or trellis. The tendrils wrap around the support and the plants are able to climb upwards.

Carl is counting the number of bones in a human skeleton. He counted 198 bones. There are actually 206 bones in the human body. What was his percent error?

How to eliminate negative self-talk

Rna polymerase binds to regions pf dna called blank which are start sinals for transcription

When a cells volume becomes to great for the surface area to maintain the cell will A) die. B) divide. C) grow. D) move.

Fatty acids and glycerol are produced from the metabolism of

A rabbit is eating leafy plants on a sunny day. What is happening to the carbon in the plants and in the rabbit? a Carbon is only moving out of the living things; it is not moving into them. b With this information, there is no way to know for sure.

During the process of RNA transcription, which of the following steps is not included?