PLANT STRUCTURE QUIZ

Which part of a plant contains the male sex cell?

Pollen

Style

Stamen

Ova

TRUE ANSWER : ?
YOUR ANSWER : ?

Which molecule serves as a carrier of fatty acids in mitochondria?

Dolichol

Malonyl-CoA

Acetyl-CoA

Carnitine

TRUE ANSWER : ?
YOUR ANSWER : ?

Mitochondria can be expected most numerous in

green cells

red blood cells

muscle cells

none of these

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YOUR ANSWER : ?

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

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 is impermeable to hydrogen ions

The outer membrane contains porins

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysosomes are associated with

storage

photosynthesis

digestion

respiration

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

steroid

fatty acid

glycogen

glycerol

TRUE ANSWER : ?
YOUR ANSWER : ?

If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?

Cytochrome c red

Cytochrome c oxidase

Cytochrome c peroxidase

Ubiquinol (UQH2)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both strongly resemble prokaryotes, especially in size

Both have their own DNA

Both have their own ribosomes

Both can live and function independently of the cell

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following functional groups would make a carbon-based compound the least polar?

Phosphate

Carboxyl

Amino

Methyl

TRUE ANSWER : ?
YOUR ANSWER : ?

Both plant and animal cell possess

central vacuoles

mitochondria

chloroplast

cell walls

TRUE ANSWER : ?
YOUR ANSWER : ?