ENVIRONMENTAL ENGINEERING IN CE QUIZ

The cell membrane is made up of

cellulose

lipoproteins

phospholipids

phosphoproteins

TRUE ANSWER : ?
YOUR ANSWER : ?

Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?

The rules governing oxidation and reduction apply only in vitro, and not in vivo

Electrons always go from reductants with high redox potentials to oxidants with low redox potentials

None of these

Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions

TRUE ANSWER : ?
YOUR ANSWER : ?

Cellular metabolism is an example of

a series of reactions that defy the second law of thermodynamics

equilibrium metabolism

a series of reactions occurring under standard conditions

steady-state metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is

glycerol

fatty acid

steroid

glycogen

TRUE ANSWER : ?
YOUR ANSWER : ?

The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?

Four

One

Two

None

TRUE ANSWER : ?
YOUR ANSWER : ?

If the ends of the following polysaccharide are pulled, which one would stretch the most?

None of these

Cellulose

Glycogen

Starch

TRUE ANSWER : ?
YOUR ANSWER : ?

"The universe tends towards maximum disorder" is stated by

third law of thermodynamics

None of these

second law of thermodynamics

first law of thermodynamics

TRUE ANSWER : ?
YOUR ANSWER : ?

In plant cells, which of the following is not a function of the large central vacuoles of plant cells?

Support

Waste storage water content

Storage of food

Contractile regulation of

TRUE ANSWER : ?
YOUR ANSWER : ?

Which part of a plant contains the male sex cell?

Pollen

Stamen

Ova

Style

TRUE ANSWER : ?
YOUR ANSWER : ?

The cellular organelle associated with secretion is the

golgi complex

ribosome

mitochondrion

lysosome

TRUE ANSWER : ?
YOUR ANSWER : ?