BIO EXAM 2

Cellular respiration is an example of_____

An exergonic reaction

What is the function of the bacterium's capsule?

Protection and adhesion

In cellular respiration, the total net yield of ATP molecules per glucose molecule has a theoretical maximum of about _____

32

The net gain of ATP for each glucose molecule that enters glycolysis, in the absence of oxygen, is approximately __________.

2 ATP

Each FADH2 yields a maximum of ________ ATP, and each NADH yields a maximum of ________ ATP as a result of transferring pairs of electrons to the electron transport chain.

2, 3

The eyepiece of a light microscope has a magnification level of 10x. If you were looking at a paramecium under the lowest-power objective (4x), what would be the total magnification of the microscope at this setting?

40x

Which objective lens is used int initial focusing of the microscope?

4x

Which of these organelles is responsible for photosynthesis

Chloroplasts

What are the inner folds of the mitochondria called?

Cristae

During respiration, in a eukaryotic cell, where do the reactions of glycolysis occur?

Cytoplasm

Humans use the calories they obtain from ________ as their source of energy.

Food

In cellular respiration, _____ is oxidized and _____ is reduced.

Glucose, O2

Pyruvate can be regulated as the end product of

Glycolysis

The correct operational sequence of the three processes listed below is I. glycolysis II. electron transport chain III. Krebs cycle

I, III, II

The cilia and flagella of eukaryotic cells are composed of _______

Microtubules

When an object is viewed through a microscope and the slide is moved to the right, the image appears to:

Move to the left

In glycolysis, in the absence of oxygen, cells need a way to regenerate which compound?

NAD+

At the end of the critic acid cycle, most of the energy remaining from the original glucose is stored in

NADH

The stage of respiration that generates NADH and FADH2,

The Citric Acid Cycle

Sunlight is essential for the varied life on Earth. Sunlight provides energy to photosynthetic organisms by providing __________.

The energy necessary to power the rearrangement of chemical bonds.

Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?

Whether or not the cell is partitioned by internal membranes

During cellular respiration, NADH

delivers its electron load to the first electron carrier molecule.

During redox reactions,

electrons are lost from one substance and added to another substance

Between Glycolysis and the citric acid cycle,

pyruvate is oxidized while a molecule of NAD+ is reduced to NADH