Plant Structure The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that the mitochondrial matrix is hypotonic to the cellular cytoplasm mitochondria are surrounded by a semi permeable membrane mitochondria were derived from a symbiotic bacterium the mitochondrial matrix is hypertonic to the cellular cytoplasm the mitochondrial matrix is hypotonic to the cellular cytoplasm mitochondria are surrounded by a semi permeable membrane mitochondria were derived from a symbiotic bacterium the mitochondrial matrix is hypertonic to the cellular cytoplasm ANSWER DOWNLOAD EXAMIANS APP
Plant Structure 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 ribosomes Both can live and function independently of the cell 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 Both strongly resemble prokaryotes, especially in size Both have their own DNA ANSWER DOWNLOAD EXAMIANS APP
Plant Structure The composition of the inner mitochondrial membrane is most like that of some bacterial plasma membranes the outer mitochondrial membrane the nuclear membrane the cell's plasma membrane some bacterial plasma membranes the outer mitochondrial membrane the nuclear membrane the cell's plasma membrane ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Which of the following is not an electron carrier class in the electron transport chain? Cytochromes Flavoproteins Cytochrome c oxidase Iron - sulfur proteins Cytochromes Flavoproteins Cytochrome c oxidase Iron - sulfur proteins ANSWER DOWNLOAD EXAMIANS APP
Plant Structure The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form? Four None One Two Four None One Two ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Cellular organelles are embedded in the cristae microtubules endoplasmic reticulum cytosol cristae microtubules endoplasmic reticulum cytosol ANSWER DOWNLOAD EXAMIANS APP
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