Can you explain the function of teratogen such as thalidomide and alcohol in terms of environment factors that play a role in organisms development?

According to Chargaff's rule of base pairing, which of the following is true about DNA? A-T and G-C A-C and G-T A-G and C-T

The digestion of food and subsequent absorption into the bloodsteam is important because a) absorbed food is the raw material for metabolism b) absorbed food aids in respiration c) absorbed food stimulates reproduction d) absorbed food is toxic to

What are the four main types of carbon based molecules.

An object of dead bacteria that stimulates the immune system is called a?

Which of the following statements describes an example of natural selection?

Sign of physical health and wellness

Which phrase best defines a biome? a. areas with distinct animal communities and associated with particular climates b. areas with distinct plant communities and associated with particular climates c.

If you study ecology what are you studying

Homologous structures are structures found in one species that have the same basic anatomical structure and embryonic origin as those found in another species.

Why do you think humans have two sets of 23 chrosomes