PLANT STRUCTURE QUIZ

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

glycogen

steroid

glycerol

fatty acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysosomes are associated with

storage

digestion

respiration

photosynthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is impermeable to hydrogen ions

The outer membrane is about 50% lipid and 50% protein by weight

The outer membrane is highly permeable to substances of small molecular weight

The outer membrane contains porins

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?

Glycolysis

ATP

The redox reactions of electron transport

Creatine phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None

Two

Four

One

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical energy is supplied to eukaryotic cells by

mitochondria and chloroplasts

chloroplasts and golgi complexes

mitochondria only

mitochondria and ribosomes

TRUE ANSWER : ?
YOUR ANSWER : ?

A cell without cell wall is called

protoplast

none of these

symplast

apoplast

TRUE ANSWER : ?
YOUR ANSWER : ?

Both plant and animal cell possess

cell walls

central vacuoles

mitochondria

chloroplast

TRUE ANSWER : ?
YOUR ANSWER : ?

Tonoplast is a membrane around

mitochondria

cytoplasm

vacuole

nucleus

TRUE ANSWER : ?
YOUR ANSWER : ?

Any system that is not at equilibrium

is thermodynamically unstable, although it may be kinetically stable

is rushing toward equilibrium at a very rapid rate

requires an enzyme to reach equilibrium

is kinetically unstable, although it may be thermodynamically stable

TRUE ANSWER : ?
YOUR ANSWER : ?