A&p Exam 1
Exam 1 - ready for the final?
- 1.The principle of _____ describes the relationship between form and function. The study of form is ____ while the study of function is _____.
- A.
Competition, anatomy, physiology
- B.
Complementarity, physiology, anatomy
- C.
Biology, physiology, anatomy
- D.
Complementarity, anatomy, physiology
- E.
Biology, anatomy, physiology
- 2.Which choices describes the correct portion of the heirarchy of complexity (from left to right)?
- A.
Atoms, organelles, molecules, cells
- B.
Molecules, cells, organelles, tissues
- C.
Organelles, cells, organs, tissues
- D.
Atoms, molecules, cells, organelles
- E.
Atoms, molecules, organelles, cells
- 3.Which component is NOT part of a common feedback loop?
- A.
Integrating center
- B.
Active transporter
- C.
Receptor
- D.
Effector
- E.
None of the above
- 4.Which collection of elements accounts for approximately 98.5% of our body weight?
- A.
Oxygen, hydrogen, carbon, phosporous, nitrogen, calcium
- B.
Hydrogen, carbon, sodium, oxygen, nitrogen, calcium
- C.
Carbon, hydrogen, oxygen, phospherous, calcium, potassium
- D.
Carbon, hydrogen, oxygen, phospherous, sulphur, calcium
- E.
Hydrogen, oxygen, carbon, phospherous, nitrogen, potassium
- 5.The following reaction describes the ____ the sodium chloride into a sodium _____ and a chloride ____. sodium chloride is a common _____ found in the human body. NaCl -------> Na+ + Cl-
- A.
Isotope, cation, anion, electrolyte
- B.
Isotope, anion, cation, electron
- C.
Ionization, cation, anion, electrolyte
- D.
Ionization, cation, anion, electron
- E.
Ionization, anion, cation, electrolyte
- 6.Free radicals are chemical compounds with an odd number of _____ that cen be neutralized by ______ such as _______.
- A.
Protons, antioxidants, vitamin D
- B.
Electrons, acids, vitamin E
- C.
Protons, acids, vitamin D
- D.
Electrons, antioxidants, vitamin E
- E.
Electrons, water, vitamin D
- 7.All of the following are properties of water that accound for its ability to support life EXCEPT:
- A.
Cohesion
- B.
Solvency
- C.
Van der waals forces
- D.
Thermal stability
- E.
Both a and c
- 8.The joining of 3 fatty acid molecules and a glycerol molecule, with the subsequent removal of 3 water molecuels to form a _______ is an example of a(n) ______ reaction.
- A.
Phospholipid, dehydration synthesis
- B.
Saturated fatty acid, dehydration synthesis
- C.
Phospholipid, hydrolysis
- D.
Triglyceride, hydrolysis
- E.
Triglyceride, dehydration synthesis
- 9.Which of the following is NOT a component of amino acid structure?
- A.
A carboxyl functional group
- B.
A hydroxyl functional group
- C.
A radical group (R group)
- D.
An amino group
- E.
A central carbon
- 10.Enzymes are biological _____ that bind to _____ and work by ______ the activation energy of a reaction.
- A.
Proteins, substrates, increasing
- B.
Proteins, carbohydrates, increasing
- C.
Catalysts, substrates, decreasing
- D.
Catalysts, substrates, increasing
- E.
Catalysts, water, decreasing
- 11.A nucleotide such as ATP, the body's most important energy-transfer molecule, consist of:
- A.
Monosaccharide
- B.
Nitrogenous base
- C.
Phophate group
- D.
Answers B and C only
- E.
All of the above
- 12.Which of the following is NOT part of the modern cell theory?
- A.
Internal cellular structures are referred to as cytosomes
- B.
All organisms are composed of cells
- C.
The cell is the basic functional unit of life
- D.
All cells come from pre-existing cells
- E.
All of the above
- 13.The plasma (cell) membrane is a bi-layer that surrounds the contents of the cell and contains mostly:
- A.
DNA and proteins
- B.
Lipids and proteins
- C.
RNA and proteins
- D.
Lipids and DNA
- E.
Lipids and RNA
- 14.The glycocalyx of the cell is a coating on the cell's surface made of glycoproteins and glycolipids that plays a role in:
- A.
DNA synthesis
- B.
Ion transport
- C.
Cell identification
- D.
Translation
- E.
Carrier-mediated transport
- 15.Blood pressure in capillaries forcing water and dissolved solutes out into the tissue would be an example of _____ transport, and the uptake of LDL (bad cholesterol) from the blood stream via receptor-mediated endocytosis would be an example of ______ transport.
- A.
Filtration, passive
- B.
Active, vesicular transport
- C.
Active, phagocytosis
- D.
Passive, active
- E.
Passive, pinocytosis
- 16.A blood or nerve cell replaced into a hypertonic solution will:
- A.
Burst (lyse)
- B.
Endocytose
- C.
Stay the same size
- D.
Shrivel (crenate)
- E.
Transcytose
- 17.Passage of solutes across the plasma membrane from a region of high concentration to one of lower concentration is called:
- A.
Crenation
- B.
Osmosis
- C.
Hypertonicity
- D.
Filtration
- E.
None of the above
- 18.The nucleus of the cell:
- A.
Is the largest organelle
- B.
Is the site of mRNA synthesis
- C.
Has a single membrane called the nuclear envelope
- D.
Both A and B
- E.
All of the above
- 19.Mitochondria are referred to as the ______ of the cell because they specialize in synthesizing ________.
- A.
Packaging complex, ATP
- B.
Powerhouse, ATP
- C.
Powerhouse, GTP
- D.
Synthesizer, UTP
- E.
Catalyzer, ATP
- 20.The function of the cell's cytoskeleton is to:
- A.
Provide structural support
- B.
Provide the finishing touches to proteins
- C.
Direct the movement of substances through the cell
- D.
Play a role in decoding mRNA
- E.
Both A and C
- 21.Which difference between DNA and RNA is incorrect?
- A.
Size of the molecule
- B.
Type of monosaccharide they have
- C.
One contains thymine while the other contains uracil
- D.
One is double stranded and one is single stranded
- E.
None of the above
- 22.Chromatin is filamentous DNA wrapped around proteins known as ______ to form more complex segmented structures known as _______.
- A.
Histones, nucleosomes
- B.
Chromosomes, nucleosomes
- C.
Nucleosomes, linker DNA
- D.
Nucleosomes, histones
- E.
Histones, nucleotides
- 23.For the DNA nucleotide sequence, TAGCAGCTT, transcrption would produce the corresponding mRNA sequence ________.
- A.
AUCGUCGCC
- B.
ATCGTCGAA
- C.
TAGCAGCTT
- D.
AUCGUCGAA
- E.
UAGCAGCUU
- 24.Transcription involves the enzyme ______ polymerase while translation is the process of reading the ______ code using ribosomes and ______ carrying specific amino acids.
- A.
RNA, mRNA, tRNA
- B.
DNA, tRNA, mRNA
- C.
RNA, tRNA, mRNA
- D.
DNA, genetic, mRNA
- E.
DNA, genetic, tRNA
- 25.Which cellular component is NOT involved in the common production and processing of proteins?
- A.
Golgi complex
- B.
Ribosomes
- C.
Rough endoplasmic reticulum
- D.
Mitochondria
- E.
None of the above
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