Why is the plasma membrane called a selectively permeable membrane

Why do scientists follow a set order of steps when carrying out a scientific investigation? A) to ensure that their investigations can be published in a journal B) to create conditions that will ensure the success of their experiments C) to ensure

Expain how a childs dna is composite of its parents

This is the the theory that describes protein building in this order: DNA to RNA to protein. DNA is transcribed to RNA which is translated to protein. Protein is never back-translated to RNA or DNA; DNA is never directly translated to protein.

Which is an example of an ecosystem? A. a river B. the sun C. your body

Which is the best example of a response to an external stimulus

An apples cells contain 34 chromosomes. After the process of meiosis is complete, each gamete produced would contain how many chromosomes?

What phase does the nuclear membrane and nucleoli reappear?

Which of the following is the most likely cause of succession in ecosystems? a. arrival of new species b. rain c. loss of an animal species d. wildfires

What agents of erosion are assisted by the force of gravity

Which of the following sense organs responds to chemical stimuli? a. eyes c. ears b. taste buds d. pain receptors