21. Autotrophs convert sunlight to ______.
A. Sugar
B. Cellulose
C. Proteins
D. All of the above
E. None of the above
22. One of your assignments for this course is to do a Research/Portfolio paper.
A. True
B. False
23. A charged atom is called an ion.
A. True
B. False
24. The transmission electron microscope is a very important instrument in viewing living specimens.
A. True
B. False
25. Each element is represented by a symbol on the Periodic Table.
A. True
B. False
26. A child inherits ___ chromosomes from the mother and _____ chromosomes from the father.
A. 22, 22
B. 23, 23
C. 46, 46
D. 23, 46
E. 22, 46
27. If two opposing traits are present the one not expressed is called the _____ trait.
A. Dominant
B. Recessive
28. "Kilo" means 1000 times.
A. True
B. False
29. Carbon atoms are found in every form of life.
A. True
B. False
30. Inductive reasoning takes a _____.
A. General rule and applies it to a specific case.
B. Particular set of observations and makes a general rule.
31. You should use the Study Guide for each Unit as you work on the lessons and quizzes in the unit.
A. True
B. False
32. Proteins help to build and repair the body’s tissues, red blood cells, hair, and help form bones and muscles.
A. True
B. False
33. Adenosine triphosphate (ATP) molecules are used to drive chemical reactions.
A. True
B. False
34. A theory is based on much observation and experiments.
A. True
B. False
35. A scientific law is when a theory has been tested over and over again and the results do not change.
A. True
B. False
36. Each element is different because their atoms have different number of _____.
A. Electrons
B. Protons
C. Neutrons
37. During the light dependent reactions–a photon of light excites the chlorophyll, and one of its electrons moves to a higher energy orbital.
A. True
B. False
38. Increasing the oxygen and decreasing the carbon dioxide around a plant, causes the rate of photosynthesis to increase.
A. True
B. False
39. Enzymes have the ability to help build cells and they also have the ability to breakdown cells.
A. True
B. False
40. Asexual reproduction involves the union of gametes to form a zygote.
A. True
B. False
41. Acidic solutions have pH values _____.
A. Above 7
B. Above 9
C. Above 13
D. Below 7
42. The two types of fermentation are alcoholic and _____.
A. Nucleic acids
B. Lactic acid
C. Organic acid
D. Oxygen acid
E. Proteins
43. Some internal regulators make sure that mitosis doesn’t start until all the chromosomes have replicated.
A. True
B. False
44. The _____ through a series of chemical reactions captures solar energy (sunlight) and converts it to sugars and carbohydrates (chemical energy) in which it is stored until needed.
A. Chloroplast
B. Cell wall
C. Golgi apparatus
D. Vacuole
45. Fermentation is a process which allows further energy to be removed from food molecules even in the absence of oxygen, anaerobic conditions.
A. True
B. False
46. The process of glycolysis begins with the breakdown of _____.
A. Glucose
B. G3P
C. Sucrose
D. Maltose
47. A denatured enzyme is an enzyme whose shape has been changed.
A. True
B. False
48. _____ is the movement of water across a selectively permeable membrane.
A. Active Transport
B. Diffuse
C. Osmosis
D. Phagocytosis
49. Today, the term biotechnology generally means the use of molecular biology, recombinant DNA technology, cloning, and other recent scientific approaches to produce plants and animals with new traits.
A. True
B. False
50. If a (Tt) plant is crossed with another (Tt) plant, the phenotypic ratio of the offspring would be _____.
A. 1:1
B. 2:1
C. 3:1
D. 4:1
E. 6:1