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