A) Chromosome

B) DNA nucleotide

C) Codon

D) Gene

Place the components in order, from smallest to largest.

A) A0B0D0C

B) B0C0D0A

C) C0D0B0A

D) D0C0B0A

Describe how mitosis and cell differentiation leads to the creation of red blood cells in the body from bone marrow stem cells.

What are the yellowish structures that serve as an energy reserve?

At which stage of life do physical abilities reach their peak?

How do genes control the different characteristics we develop?

Where do echinoderms live? A. on wetland plants B. in marine environments c. in freshwater areas d. under the ground

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?

What is the odd one out of breathing, sweating, respiration and why?

Which surface of the ocean current has the warmest water a. peru current b. north atlantic drift c. brazil current d. canary current