Which of these is a main organ in the nervous system?

a. lungs

b. skin

c. heart

d. brain

The first stage of cellular respiration, glycolysis, results in two pyruvate molecules. Those pyruvate molecules are then used in what stage of cellular respiration? A. Active transport B. Phosphorylation C. The electron transport chain D.

Which of Mendel's laws states that alleles for different traits are sorted into sex cells separately? a. Law of Segregation c. Law of Dominance b. Law of Independent Assortment d. Law of Heritability

When individuals experience fear and pleasure, what part of the brain has been stimulated? Select one: a. hypothalamus b. pons c. reticular activating system d. limbic system e. thalamus

Name four groups of gymnosperms

List three ways in which plant cells differ from other eukaryotic cells

An area of land that is covered with a shallow layer of water during some or all of the year is called

What is the role of the atp in the cell

What Are Genes? A. the observable characteristic B. the expressed trait C. the basic unit on inheritance D. the measurable factor

Which best describes oogenesis and spermatogenesis?

What is one thing that all types of asexual reproduction have in common?