Chapter 1-5 Flashcards
A widely accepted explanatory idea that is broad in scope and that is supported by a large and growing body of evidence is called a A. Prediction B. Hypothesis C. Control D. Theory E. Law
D
You notice that over the past month, many students have started wearing a new style of school sweatshirt. You think to yourself, IF this is an authentic school sweatshirt (and not a knock-off), THEN the bookstore will probably be carrying it. This prediction is A. A type of observation B. An experiment C. A type of control D. An example of a hypothesis
D
Independent variable
X axis, controlled variable
Dependent variable
Y axis, results of what is being manipulated
During the formation of hydrogen fluoride (HF), a hydrogen atom loses and electron (-) and a fluorine atom gains one. The hydrogen atom is now A. Positively charged B. Negatively charged C. Considered an isotope D. Part of a covalent bond
A
The hydrogen atoms of a water molecule are bonded to the oxygen atom by \_\_\_\_\_ bonds, whereas neighboring water molecules are held together by weak \_\_\_\_\_\_ bonds. A. Polar covalent ... Hydrogen B. Polar covalent ... Ionic C. Hydrogen ... Polar covalent D. Hydrogen ... Ionic E. Ionic ... Covalent
A
You can use a product suck as Jet Dry in your dishwasher to keep water from clinging to dishes and causing spots. Jet dry must work by interfering with A. Cohesion B. Covalent bonding C. Evaporation D. Adhesion E. Ionic bonding
D … Co - together, Ad - other surfaces
True or False: Water is an organic molecule.
False … No carbon
True or False: Dehydration reactions link monomers together, and hydrolysis reactions break them apart.
True
Which one of the following is NOT the proper pairing of a monomer with its corresponding macromolecule? A. Amino acid and protein B. Triglyceride and HFCS C. Nucleotide and nucleus acid D. Monosaccharide and polysaccharide
B
Which one of the following statements about high fructose corn syrup (HFCS) is FALSE?
A. It is somewhat sweeter than table sugar
B. It has roughly the same ratio of glucose to fructose that is found in table sugar
C. It is found in nearly very processed food that we eat
D. It has been conclusively determined to be the cause of the obesity epidemic in the United States
D
Fatty acids with double bonds between some of their carbons are said to be A. Saturated B. Unsaturated C. Completely hydrogenated D. Monoglycerides
B
If you wanted to alter your diet to include oils that might lower your rush of heart disease, you would want to choose an oil that
A. Had been hydrogenated and contained trans fats
B. Had been modified to be solid at room temperature
C. Had lard added to it
D. Was liquid at room temperature
D
A phospholipid is composed of
A. One glycerol molecule linked to three fatty acids
B. One glycerol molecule linked to three phosphate groups
C. One fatty acid molecule linked to three glycerol molecules
D. One glycerol molecule linked to one phosphate group and two fatty acids
D
True or False: In a molecule of RNA, Cytosine and Guanine pair and Thymine and Adenine pair with each other.
False … Uracil and Adenine
Which one of the following is NOT found in prokaryotic cells A. Pili B. A cell wall C. A capsule D. Ribosomes E. A membrane-bound nucleus
E
You are told that the cells on a microscope slide are either plant, animal, or bacterial. You look at them through the microscope and see cell walls and membrane-bound organelles. You conclude that the cells A. Are bacteria B. Are plant cells C. Are animal cells D. Could be either plant or bacterial E. Could be plant, animal, or bacterial
B
Primary site of energy production A. Golgi Apparatus B. Ribosome C. Nucleolus D. Mitochondria E. Rough Endoplasmic Reticulum
D
Stores, modifies, and packages proteins to be sent to distant parts of the cell A. Golgi Apparatus B. Ribosome C. Nucleolus D. Mitochondria E. Rough Endoplasmic Reticulum
A
Ribosomal subunits are produced here A. Golgi Apparatus B. Ribosome C. Nucleolus D. Mitochondria E. Rough Endoplasmic Reticulum
C
Amino acids are strung together here to make proteins A. Golgi Apparatus B. Ribosome C. Nucleolus D. Mitochondria E. Rough Endoplasmic Reticulum
B
Creates membranes and inserts newly synthesized proteins into them A. Golgi Apparatus B. Ribosome C. Nucleolus D. Mitochondria E. Rough Endoplasmic Reticulum
E
Your instructor asks you to look into your microscope to see a prokaryotic cell. You will be looking for a cell that
A. Has an outer membrane
B. Has a nucleus
C. Makes up most of the tissues of your body
D. Uses RNA to code its genetic information
A
