When pyruvate molecules enter the mitochondrion during cellular respiration, they react to form

A) ethyl alcohol and ATP

B) acetyl-CoA and carbon dioxide

C) glucose and carbon dioxide lactic

D) acid and NAD

Which statement is true about microevolution? A. It's evolution within a single population. B. It's evolution of small organisms. C. It's evolution within small populations.

Explain why random distribution patterns for species are the rarest in nature.

Which of the following is a phase of mitosis? A. cytokinesis B. interphase C. telophase D. None of the above

Cystic fibrosis is a gentic disorder. It is a reccesive trait that ia determined by two alleles. Suppose two parents carry qt least one recessive allele, but neither of them has cystic fibrosis

A hill is made of rock particles of different sizes. Which of these agents of erosion probably caused the hill to form? A. Glacialice B. Waves C. Wind D. Flowing water

O processo de excreção permite que o homem se livre de substâncias que são tóxicas e inúteis ou que estão em excesso. Em condições fisiológicas normais, uma pessoa saudável deve eliminar, na urina: a. Agua, uréia, sais minerais e pigmentos. b.

At the conclusion of a unit about reliable source material and contemporary journalism, a teacher asks her students to write two news stories: a "fake news" story and a true news story about something going on at school or in the community.

How would a problem with your lungs affect your heart?

Example of an environmental change and its cascade effect of changes.

Which of the following is the first step in primary succession?