BIOL 1001 Final Dr. Nita LSU Practice Questions and Answers
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Course
BIOL 1001
Institution
BIOL 1001
Acidic solution has more of H+ than OH- ions
DNA contains a pentose sugar called deoxyribose
A biological polymer is synthesized by joining monomers by the removal of water by dehydration synthesis
Which trace element is necessary for human body that is obtained from table salt? iodine
Oxygen i...
BIOL 1001 Final Dr. Nita LSU Pract ice Questions and Answers Acidic solution has ✅more of H+ than OH - ions DNA contains ✅a pentose sugar called deoxyribose A biological polymer is synthesized by ✅joining monomers by the removal of water by dehydration synthesis Which trace element is necessary for human body that is obtained from table salt? ✅iodine Oxygen in water are ✅electron acceptors and slightly negative in charge Cellulose is a/an ✅enzyme found in some bacteria that can hydrolyze/break cellulose to glucose monomers Amino acids contain ✅amino acid (NH2) attached to carbon backbone, carboxyl group (COOH) attached to carbon backbone, and hydrogen group (H) attached to carbon backbone Which organism belonging to archaea can survive in extreme conditions above 100 C ✅thermophile Which of the following isotopes are used in treating cancer? ✅Cesium -137 A primary structure of proteins contains ✅only the amino acid chain linked by peptide bonds Which of the following is true about oils? ✅They are formed by dehydration synthesis between fatty acid and glycerol, contain more double bonds than fats, and olive oil is a good example of plant based oils. Table salt dissolves in water by ✅sodium chloride ions that contain oppositely charged ions that attract the oxygen and hydrogen of water molecules. Inorganic molecules ✅lack carbon Whta is lactose? ✅A disaccharide containing one glucose and one galactose molecules Choosing liquid based cooking oils that are liquid at room temperature ✅can reduce heart diseases and they are rich in unsaturated healthy fats Electron microscopes can view which of the following ✅nucleic acids like DNA or RNA and anywhere between 100 nano meters and 0.1 nano meters in diameter An animal cell plasma membrane is ✅made of membrane proteins embedded in the phospholipid lipid bi -layer Which molecules are essential for a cell to form proteins from an RNA sequence ✅Ribosomes and tRNA with amino acid Which of the following represents the difference between gram -negative and gram positive bacteria? ✅Thick Lipopolysaccharide in gram negative versus the thick peptidoglycan of gram positive bacteria The extracellular matrix (ECM) layer a plant cell occurs ✅near the plasmodesmata cell junctions, contains pectin, contains cellulose, and components of ECM can be found in jams and jellies Which statement is true about mitochondrial DNA ✅they are used to trace back human ancestral lineages All higher plant cells have ✅Cell wall, chloroplasts, and cytosol Rough endoplasmic reticulum (RER) is ✅a structure found in animals, they have ribosomes attached, and do not have ribosomes like the smooth ER Lysosomes are ✅small vesicles that arise from Golgi apparatus, they contain hydrolytic enzymes, they degrade some invading bacteria, and they aid in degrading old organelles Which molecules can diffuse through channel proteins in a cell ✅water and water -
soluble molecules Glucose easily dissolves in water but --- ✅cannot pass through as its too large and not lipid soluble Which statement is true about active transport? ✅an ATP is used during the process A 3'end of a nucleotide means _______. ✅3' carbon of the pentose attached to a hydroxyl group
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