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Biology

Final

QuestionAnswer
Which of the following statements are true? a. Ionic substances are hydrophobic b. Polar substances are hydrophobic c. water is a non-polar solvent d. In a polar covalent bond, carries charge d
Glucose a. is composed of several sugar units d. is a monosaccharide b. is a non-polar lipid e. is a monosaccharide and c. c. is the storage form of energy in plant cells d
Which of the following monosaccharaides is found in the nucleic acid RNA? a. Deoxyribose b. Glucose c. Ribose d. Sucrose c
___ are liquids at rm temp because one or more double bonds between the carbons in the tails permit “kinks”. a. amino acids b. salts c. saturated fatty acids d. unsaturated fatty acids d
In __ bonds, both atoms exert the same pull on shared electrons? a. non-polar covalent b. polar covalent c. double covalent d. triple covalent a
Which are examples of prokaryotes? a. humans b. bacteria c. plants d. fungi e. two above b
How does a negative ion form? a. When an atom loses a proton b. when an atom loses an electron c. an atom gains a proton d. an atom gains an electron d
Which of the following describes the least complex carb? a. glycogen b. nucleotide c. polysaccharide d. monosaccharide e. both glycogen and polysaccharide d
Which of the following structures connect the cytoplasm of adjacent animal cells and allow for communication? a. gap junctions b. chloroplasts c. central vacuoles d. plasmodesmata a
If your job assignment was to enter a cell and make a copy of the information about how to make a protein, where would you go to copy this information? a. Ribosome b. Nucleus c. Rough ER d. Golgi body e. Mitochondria b
Sodium Chloride in water could be described by any of the following except: a. nonpolar b. solute c. ionized d. dissolved a
Functional groups a. are covalently bonded to a carbon backbone b. convey distinct properties to the complete organic compound c. do not play a role in function of the compound d. two above d
Which of the following carbs is the animal storage from of energy? a. fatty acids b. glucose c. ribose d. starch d. glycogen d
Organic compounds a. contain one or more functional groups b. contain hydrogen and other elements covalently bonded to carbon atoms c. are synthesized by living cells d. all the above d
Which of the following contain enzymes used in the breakdown of glucose and generation of ATP? Powerhouse of the cell a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. ER c
Which organelle is the site of lipid synthesis and it also serves as the site where harmful substances are detoxified? a. Smooth ER b. Rough ER b. Nucleus d. Golgi bodies e. Mitochondrion a
Plants store their excess carbs in the form of? a. starch b. glycogen b. glucose d. cellulose e. fats a
An organelle found in the nucleus is a a. nucleoid b. vacuole c. ribosome d. nucleolus e. two above d
A lithium atom will become a positively charged ion when it a. losses an electron b. gains an electron c. loses a proton d. gains a proton a
What differentiates one protein from another? a. varying R groups b. the sequence of amino acids c. the number of lipids d. the covalent bonding patterns b
In the potato chip experiment that we discussed, which group was given potato chips that were Olestra free? a. Control group b. Experimental group a
Which of the following statements regarding water is NOT true? a. it is a great solvent b. it has a great capacity for absorbing a considerable amount of heat before its temp rise c. it ruptures easily c
If you wanted to get rid of a worn out cell part where would you send it? a. nucleus b. Rough ER c. Lysosome d. Nucleoid e. ribosome c
What is the name of the protein that Hydrogen ions flow through to encourage ATP formation during respiration? a. ETC b. NADPH c. NADH d. photosystems e. ATP synthases e
Which of the following are components of a DNA nucleotide? a. phosphate group b. nitrogenous base c. deoxyribose d. two above e. three above e
Which of the following regarding membranes are true? a. Phospholipids are the main components of cellular membranes. b. the tail portion of the phospholipid is hydrophilic c. Receptor proteins are embedded d. two above e three above a
Glycolysis takes place in the __ and __? a. cytoplasm, requires oxygen b. cytoplasm, does not require oxy c. mitochondrion, requires oxygen d. mitochondrion, does not require b
A dialysis bag filled with 90% sucrose solution is placed in a beaker containing a 35% sucrose solution. The fluid in the beaker is __ when compared to the fluid in the bag. a. hypotonic b. isotonic c. hypertonic a
Which of the following statements regarding exergonic reactions is false? a. They release energy b. Glucose breakdown is an example c. Their products have more energy than reactants d. Some energy is converted to heat e. Bonds are broken c
Which enzyme delivers free floating nucleotides to exposed bases during replication? a. DNA ligase b. DNA polymerase c. RNA polymerase d. DNA helicase b
Which of the following is True regarding ATP? a. ADP will combine with free floating phosphate group to form ATP without an energy input b. ATP does not breakdown c.ATP donates a phosphate group to another molecule, that molecule becomes primed c
Which of the following enzymes unwinds the DNA helix during replication? a. DNA polymerase b. RNA polymerase c. DNA ligase d. DNA helicase d
A dialysis bag is filled with a 35% sucrose solution and placed in a beaker containing 90% sucrose solution. The bag overtime will begin to.. a. lose weight b. stay the same c. gain weight a
The light independent reactions generate? a. ATP b. glucose c. NADPH d. Oxygen b
The starting molecule for respiration is ? a. glucose b. oxygen c. carbon dioxide d. water a
Which of the following statements are true regarding enzymes? a. Enzymes slow the chemical reactions down to allow the body to process waste b. Enzymes can be reused c. Enzymes are not specific for substrates d. two of the above d
The light independent reactions result in the formation of? a. Oxygen b. Glucose c. ATP d. two above e. three above b
Where does the Krebs Cycle occur? a. Thylakoid membrane of the chloroplast b. Stroma of the chloroplast c. Cytoplasm d. Mitochondrion d
What is the net gain of ATP from a single glucose molecule from aerobic Respiration? a. 2 b. 4 c. 32 d. 36 d
During respiration a. ATP forms b. glucose forms c. oxygen is released d. two above e. three above a
A red blood cell (.9%NACl) is placed in a 20% salt solution. The extracellular, 20% salt solution is __ when compared to the cytoplasmic fluid. a. hypertonic b. hypotonic c. isotonic a
Glucose is broken down to __ during glycolysis. a. Acetyl CoA b. Carbon dioxide c. oxygen d. pyruvate e. two above d
The light dependent reactions produce a. ATP b. NADPH c. Oxygen d. pyruvate e. three above e
Photosystems a. are located in the stroma b. contain pigments c. absorb pigments d. two above e. three above b
During glycolysis a. oxygen is released b. glucose forms c. there is a net yield of 2 ATP d. carbon dioxide forms c
When a cell is placed in a hypotonic solution, it will a. swell b. shrink c. stay the same a
Which of the following are produced during glycolysis? a. hydrogen ions gradient b. NADH c. glucose d. ATP e. two above e
From a single glucose molecule, how many pyruvate molecules will be destined for conversion to Acetyl CoA? a. 0 b. 1 c. 2 d. 4 e. 36 c
The formation of ATP is an example of a? a. endergonic reactions b. exergonic reaction a
The energized electrons that are passed to the ETC during Electron Transfer Phosphorylation come from? a. ATP b. NADH c. Photosystems d. Photons b
Prior to the Krebs Cycle, pyruvate will be converted to? a. Acetyl CoA b. Glucose c. Oxygen d. Oxaloacetate a
According to the first law of thermodynamics energy cannot be destroyed and energy is constant
Individuals with down syndrome? A. has 4 autosomes B. are missing a sex chromosome C. are characterized as trisomy 21 D. 2 above E. 3 above d
Which of the following genotypes represent Klinefelter syndrome? A. XO B. XXX C. XXY D. XYY c
In the figure below its translocation
Which of the following prenatal screens is …? A. Ultrasound
Created by: Thorske
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