Plant Structure Chemical energy is supplied to eukaryotic cells by mitochondria and chloroplasts mitochondria and ribosomes chloroplasts and golgi complexes mitochondria only mitochondria and chloroplasts mitochondria and ribosomes chloroplasts and golgi complexes mitochondria only 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 strongly resemble prokaryotes, especially in size Both have their own ribosomes Both have their own DNA Both can live and function independently of the cell Both strongly resemble prokaryotes, especially in size Both have their own ribosomes Both have their own DNA Both can live and function independently of the cell ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Which of the following elements is likely to form the least polar covalent bond with hydrogen? Carbon Phosphorus Nitrogen Oxygen Carbon Phosphorus Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Plant Structure If the ends of the following polysaccharide are pulled, which one would stretch the most? Starch Cellulose Glycogen None of these Starch Cellulose Glycogen None of these ANSWER DOWNLOAD EXAMIANS APP
Plant Structure The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that mitochondria are surrounded by a semi permeable membrane the mitochondrial matrix is hypotonic to the cellular cytoplasm mitochondria were derived from a symbiotic bacterium the mitochondrial matrix is hypertonic to the cellular cytoplasm mitochondria are surrounded by a semi permeable membrane the mitochondrial matrix is hypotonic to the cellular cytoplasm mitochondria were derived from a symbiotic bacterium the mitochondrial matrix is hypertonic to the cellular cytoplasm ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Which is not true about a photon? It is a packet of light energy The shorter the wavelength, the greater the energy of the photons It donates electron to reduce carbon dioxide to glucose It is trapped by photosynthetic unit It is a packet of light energy The shorter the wavelength, the greater the energy of the photons It donates electron to reduce carbon dioxide to glucose It is trapped by photosynthetic unit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS