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Photoheterotrophs Hydrogen Oxidation-reduction (redox) reactions Oxidative phosp

ID: 88546 • Letter: P

Question

Photoheterotrophs

Hydrogen

Oxidation-reduction (redox) reactions

Oxidative phosphorylation

Plasmids

Acidophiles

Chemoautotrophs

Complex

Diploid

CFU

Symbiosis

Catabolism

Barophiles

Proton Motive Force

Oxidized

Hydroxyl radicals

Chemiosmosis

Singlet oxygen

Transposons

Activation energy

Axenic

Transformation

Glycolysis

Defined

Operon

Generation Time

Reduced

Hyperthermophiles

Substitutions

Chemostat

Match the words on the right column with the definitions in the left column

The electron acceptor is said to be becomes more negatively charged

Extrachromosomal DNA

Molecular oxygen with electrons that have been boosted to a higher energy state, during aerobic metabolism

A single nucleotide base pair is substituted for another

Splitting of a glucose molecule in a series of 10 steps that results in two molecules of pyruvic acid a net gain of 2 ATP and 2 NADH molecules

Colony-Forming Unit

Pure cultures

Breakdown of nutrient molecules and the release of energy

Organisms that live under extreme pressure

Most reactive of the four toxic forms of oxygen

The electron donor loses an electron

A competent recipient cell takes up DNA from the environment

Proton gradient that is produced results in the synthesis of ATP

Device used to maintain a microbial culture in a particular phase of microbial population growth

Microbes that require temperatures above 80°C.

Medium for which the precise chemical composition is known

Phosphorylation of ADP using inorganic phosphate and energy from respiration.

Microbes that grow best in acidic environments

Two copies of each chromosome

DNA segments that contain palindromic sequences known as inverted repeats (IR)

Electrochemical gradient of protons that has potential energy

Medium that contains a variety of growth factors and can support a wider variety of microorganisms

Consists of a promoter, an adjacent regulatory operator, a series of genes whose expression is controlled by a regulatory gene located elsewhere

Acquire energy from light

Enzymes catalyze reactions by lowering the amount of energy required to initiate a chemical reaction

Reactions involve the transfer of electrons

Use carbon dioxide as a carbon source but catabolize organic molecules for energy.

Organisms live in close nutritional or physical contact, becoming interdependent

The time required for a bacterial cell to grow and divide

Bonds between complementary bases of nucleic acids

A.

Photoheterotrophs

B.

Hydrogen

C.

Oxidation-reduction (redox) reactions

D.

Oxidative phosphorylation

E.

Plasmids

F.

Acidophiles

G.

Chemoautotrophs

H.

Complex

I.

Diploid

J.

CFU

K.

Symbiosis

L.

Catabolism

M.

Barophiles

N.

Proton Motive Force

O.

Oxidized

P.

Hydroxyl radicals

Q.

Chemiosmosis

R.

Singlet oxygen

S.

Transposons

T.

Activation energy

U.

Axenic

V.

Transformation

W.

Glycolysis

X.

Defined

Y.

Operon

Z.

Generation Time

AA.

Reduced

AB.

Hyperthermophiles

AC.

Substitutions

AD.

Chemostat

Explanation / Answer

A. Photoheterotrophs-------------Acquire energy from light

C.Oxidation-reduction (redox) reactions------------Molecular oxygen with electrons that have been boosted to a higher energy state, during aerobic metabolism

E. Plasmids-----------Extrachromosomal DNA

F. Acidophiles--------------Microbes that grow best in acidic environments

I. Diploid------------- Two copies of each chromosome

J. CFU---------------Colony-Forming Unit

L. Catabolism--------------Breakdown of nutrient molecules and the release of energy

M. Barophiles------------Organisms that live under extreme pressure

R. Singlet oxygen--------------Most reactive of the four toxic forms of oxygen

S. Transposons-----------DNA segments that contain palindromic sequences known as inverted repeats (IR)

W. Glycolysis--------------Splitting of a glucose molecule in a series of 10 steps that results in two molecules of pyruvic acid a net gain of 2 ATP and 2 NADH molecules

AB. Hyperthermophiles---------------Microbes that require temperatures above 80°C.

AD. Chemostat------------------Pure cultures