Which of the following elements is likely to form the least polar covalent bond with hydrogen? Phosphorus Nitrogen Oxygen Carbon TRUE ANSWER : ? YOUR ANSWER : ?
The composition of the inner mitochondrial membrane is most like that of some bacterial plasma membranes the outer mitochondrial membrane the cell's plasma membrane the nuclear membrane TRUE ANSWER : ? YOUR ANSWER : ?
Which part of a plant contains the male sex cell? Pollen Ova Stamen Style TRUE ANSWER : ? YOUR ANSWER : ?
Which cell type is likely to have the most mitochondria? Slow-twitch muscle Fast-twitch muscle Liver cells Adipose cells TRUE ANSWER : ? YOUR ANSWER : ?
A cell without cell wall is called symplast none of these apoplast protoplast TRUE ANSWER : ? YOUR ANSWER : ?
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that the mitochondrial matrix is hypertonic to the cellular cytoplasm mitochondria were derived from a symbiotic bacterium mitochondria are surrounded by a semi permeable membrane the mitochondrial matrix is hypotonic to the cellular cytoplasm TRUE ANSWER : ? YOUR ANSWER : ?
Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as gly-peroxisome lysosome glyoxysome none of these 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 Ubiquinol (UQH2) Cytochrome c peroxidase 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 have their own DNA Both strongly resemble prokaryotes, especially in size Both have their own ribosomes Both can live and function independently of the cell TRUE ANSWER : ? YOUR ANSWER : ?