Bio 112 Exam 2 Review

• What cell structure contains hydrolytic enzymes and functions in intracellular digestion?a) nucleusb) flagellac) smooth endoplasmic reticulumd) lysosomee)cytoskeleton

• Which process or processes below require the input of energy (ATP)?a) facilitative diffusionb) osmosisc) active transportd) Both a and b require ATP usee) a, b, and c all require ATP use.

Is Lactic acid reduced or oxidized in the reaction shown?

Oxidized

Oxidized

Loss of Hydrogen

ReducedGain of hydrogen

NADH

FMN

It lost hydrogen

It gained hydrogen

• What is the difference between autotrophs and heterotrophs?

Autotrophs are capable of forming organic molecules from inorganic raw materials, while heterotrophs are not.

• Carbon dioxide is released during cellular respiration at which of the following points.a) Glycolysisb) Krebs cyclec) Electron transport systemd) Both Glycolysis and Krebs cyclee) Both Glycolysis and Electron transport system

• Which type of cell junction would function primarily as a means to stop the movement of materials in between adjacent cells?a) plasmodesmatab) gap junctionc) desmosomed) tight junction

An animal cell placed in a hypotonic solution will…a) lose waterb) gain water

• Microtubules are an important structural component of…a) mitochondriab) smooth endoplasmic reticulumc) ciliad) chloroplastse) two of the above

Cyclic electron flow involves electrons from …a) photosystem Ib) photosystem IIc) both photosystem I and photosystem II

NADPH is oxidized to NADP+ in the…a) light reactionsb) Calvin cyclec) both light reactions and Calvin cycled) in cellular respiration onlye) in cellular respiration and the light reactions