Unlike identical twins, fraternal twins

A. are produced from two identical embryos. B. result from two eggs fertilized by different sperms. C. result from the same fertilized egg. D. are always the same sex.

What happens to the light energy that is trapped by the chloroplast during the first stage of photosynthesis? a. light energy is converted into chemical energy c. light energy is converted into thermal energy b.

What effects do keystone specie shave on an ecosystem? A. They make prey species extinct B. They reproduce biodiversity C. They keep populations of species balanced D. They cause primary disturbances.

Disulfide Bonds Determine the Properties of Many Proteins Some natural proteins are rich in disulfide bonds, and their mechanical properties (tensile strength, viscosity, hardness, etc.) are correlated with the degree of disulfide bonding.

This organism is multicellular and has a cell wall but no chloroplasts. The organism gets the energy it needs by decomposing organic matter. To what kingdom does this organism belong?

Explain how a virus infect a cell and spreads.

In what way are cells similar to atoms

Which biomolecule carries genetic information

Which structure receives sensory information, such as the sound of a car, from the thalamus

Clara asks you for advice on how much alcohol she should consume during her pregnancy, based on the available research evidence. To give her the best advice possible, how should you reply?

Explain how the concept of atp and adp illustrates both the flow of matter and the flow of energy