A&P1 Biol 2401-0070 Test 2 9/15/2011
Total Score 40.
Answer all questions:
1-10: 1X10
1.At the end of the mitotic (M) phase, the cytoplasm divides in a process called __ _e ______. a. replication b. meiosis c. condensation d. telophase e. cytokinesis
2. Name 3 events before a cell can begin mitosis? 1X3 a.centriole processing b. DNA replication c. nuclear disintergration
3.
Which of the following is NOT a function of membrane proteins? C a. to bind specific ligands b. to anchor or stabilize the cell membrane c. the production of energy for the cell d. to regulate ion passage
4.
When they encounter bacteria, certain types of white blood cells engulf the bacteria and bring them into the cell. What is this process called? D a. pseudocytosis b. exocytosis c. pinocytosis d. phagocytosis
5. The process in which RNA polymerase uses the genetic information to assemble a strand of mRNA is: C a. initiation b. translation c. transcription d. duplication
6. The four primary tissue types found in the human body are A a. epithelial, connective, muscle, and neural b. adipose, elastic, reticular, and cartilage c. squamous, cuboidal, columnar, and glandular d. skeletal, cardiac, smooth, and muscle

7. After considering its structural and functional properties, skeletal muscle tissue can be considered: B a. striated involuntary muscle b. striated voluntary muscle c. nonstriated involuntary muscle d. nonstriated voluntary muscle
8. Which of the following is the best definition of inflammation ? D a. The stimulation of macrophages to defend injured tissue b. The secretion of histamine to increase blood flow to the injured area c. Pulling on the bones of the skeleton d. A defense that involves the coordinated activities of several tissues
9. The three major subdivisions of the extracellular fluid in the body are: B a. spinal fluid, cytosol, and blood b. plasma, interstitial fluid, and lymph c. blood, urine, and saliva d. blood, water, and saliva
10. The major function of neurons in neural tissue is: D a. to regulate the composition of the interstitial fluid b. to act as phagocytes that defend neural tissue c. to provide supporting framework for neural tissue d. to transmit signals that take the form of changes in the transmembrane potential
11. Name 3 cells associated with connective tissue and one function of each: 1X3 a. MELANOCYTE: PRODUCE MELANIN b. LYMPHOCYTE : DEFEND BODY AGAINST FOREIGN INVASION c. MAST CELL: PRODUCE HISTAMINE DURING INFLAMMATION
12. Match the characteristics of muscular tissue with the appropriate type of muscle: 1X6
1. Produces movement of the body, movement of blood within the cardiovascular system, and movement of foodstuffs within the digestive tract C
2 Long slender multinucleate muscle cells D a.
Cardiac and skeletal muscle b. Cardiac muscle
3 Striated tissue A c.
Skeletal, cardiac and smooth muscle
4 Involuntary F d. Skeletal muscle
5 Can regenerate after an injury E e. Smooth muscle

6 Extensive connections between cells at intercalated discs B f.
Cardiac and smooth muscle
12. Answer the following questions below:. 5
A DNA sequence starts with ATG CCC CGA TTA CAT GGA AGG AAA ACT TGA a.what do ATG and TGA represent?
I START AND STOP SIGNALS
II ATG- FIRST AA :AN ORF b.What would the corresponding mRNA be?
UCA AGU UUU CCU UCC AUG UAA UCG GGG CAU c. Given that CTC stand for Leucine what would be the consequence of changing any of the bases:
MUTATION REPRESENTING CHANGE IN AA SEQUENCE OR THE PRIMARY
STRCTURE d More specifically what would the consequence of changing:
I the first C
CHANGE OF AA
II the T
MAY OR MAYNOT CHANGE AA
III the second C
MAY OR MAY NOT CHANGE AA
13. Define Active transport. Why do living cells require such a mode of transport?2
USING ATP TO MOVE SUBSTRANCES IN AND OUT OF CELL IRRESPECTIVE O F CONCENTRATION
GRADIENT
14. Homeostasis is restored in a damaged or infected tissue through the process of 1X2
____ D_______, which begins immediately after the injury, and _ D______________, in which damaged tissues are repaired or replaced. a. signaling and cell cycle b. replication and cytokinesis c. clotting and scab formation d. inflammation and regeneration.
15. Match the following to their closest relationship: 10
1. golgi body H
2. epithelial cells D
3.nerve cell I
4. connects bone to bone F
5. chondrocyte B
6. mesenchyme C
7. peritoneal memebrane J
8. holocrine gland E
A. blood
B. cartilage
C. embryonic stem cells
D. glands
E. mammary
F. ligament
G. tooth
H. cellular transport

9. endothelial A
10. osseous G f
PS MS
A
16. Match the following to the labels in the above picture:
1. rER F
2 .microvilli A
3. golgi appartus E
4. nucleus G
5. gap junction H
6.mitochondria I
7. adhesion cement D
8. vacuole C
9. celia B
10. basal lamina J
Extra credit:
Show the a.mid sagittal plane BETWEEN THE TWO CELLS b.,frontal c. parasagittal
I. action potential
J. serous layer
B
C
E
F
G
D
H
I
J

Given that :
Ala/A GCU, GCC, GCA, GCG
His/H
Ile/I
CAU, CAC
AUU, AUC, AUA
START AUG
Leu/L UUA, UUG, CUU, CUC, CUA, CUG
Arg/R CGU, CGC, CGA, CGG, AGA, AGG Lys/K AAA, AAG
Asn/N AAU, AAC Met/M AUG
Asp/D GAU, GAC
Cys/C UGU, UGC
Phe/F
Pro/P
UUU, UUC
CCU, CCC, CCA, CCG
Gln/Q CAA, CAG
Glu/E GAA, GAG
Gly/G GGU, GGC, GGA, GGG
Ser/S
Thr/T
Trp/W
UCU, UCC, UCA, UCG, AGU, AGC
ACU, ACC, ACA, ACG
UGG
Tyr/Y UAU, UAC
Val/V GUU, GUC, GUA, GUG
STOP UAA, UGA, UAG