MCAT prep- Biological Sciences P2

check 4.1
phases of the cell cycle

Check 4.1
mechanism of chromosome movement

check 4.1
stages of mitosis

check 4.2
asexual reproduction: binary fission

check 4.2
asexual reproduction: budding

check 4.2
asexual reproduction: parthenogenesis

check 4.2
evolution sexual vs. asexual reproduction

check 4.3
stages of meiosis

check 4.3
id structures
male reproductive system: seminiferous tubules

check 4.3
id structures
male reprod: interstitial cells (cells of Leydig)

check 4.3
id structures
male reprodc: scrotum

check 4.3
id structures
male reprod: epidiymis

check 4.3
id structures
male reprod: ejaculatory duct and urethra

check 4.3
id structures
male reprod: seminal fluid

check 4.3
sperm fomation

check 4.3
id structures
female reprod: ovaries

check 4.3
id structures
female reprod: follicles

check 4.3
id structures
female reprod: fallopian tube/ oviduct

check 4.3
id structure
ovum formation

ch. 4 post-test
2. Which of the following correctly pairs the stage of development of an egg cell with the different periods in its life cycle?
a. birth to ovulation- prophase 2
b. ovulation- meiosis 1
c. ovulation- meiosis 2
d. fertilization- meiosis 1

ch. 4 post-test
3. some studies suggest that in patients w/ Alzheimer's disease, there is a defect in the way the spindle apparatus attaches to the kinetochore fibers. At which stage of mitotic division would you expect to see this problem?

ch. 4 post-test
4. if you wanted to incorporate a fluorescently labeled adenine into one of the 2 daughter cells that would arise as a result of mitosis, a which stage of cell development should you add in the nucleotide?

ch. 4 post-test
6. upon ovulation, the oocyte is released into the...

ch. 4 post-test
7. cancer cells are cells in which mitosis has gone wild. If a cure were found that could target only cancer cells without affecting normal cells, at which pt. in the cell cycle would the treatment effectively prevent cancer cell division?

ch 4 post-test
10. Which of the following contributes to genetic variability?

ch. 4 post-test
12. the chromosome # of an offspring produced via parthenogenesis would be...

check 5.1
early embryonic development
zygote-neurulation

check 5.1
primary germ layers-
ectoderm

check 5.1
primary germ layer- mesoderm

check 5.1
primary germ layer-endoderm

check 5.1
gene regulation/cell communication in the embryo

check 5.2
terms: placenta

check 5.2
terms: umbilical cord

check 5.2
terms: chorion

check 5.2
terms: allantois

check 5.2
terms: amnion

check 5.2
terms: amniotic fluid

check 5.2
terms: yolk sac

check 5.3
term: chorionic villi

check 5.2
terms: fetal hemoglobin (Hb-F)

check 5.3
fetal vs. adult circulation

check 5.3
fetal shunt: foramen ovale

check 5.3
fetal shunts: ductus arteriosus

check 5.4
milestones in the first trimester of pregnancy

check 5.4
milestones of the second trimester in pregnancy

check 5.4
milestones in the third trimester of pregnancy

check 5.5
vaginal birth basics

check 5.3
fetal shunts: ductus venosus

Ch. 5 post-test
1. Which of the following developmental stages has the greatest nuclear to cytoplasmic material ratio?
a, 8 cell zygote b. morula, c. blastula, d. archenteron

Ch. 5 Post-test
3. Which of the following changes does NOT occur immediately after birth?
a. infant produces adult hemoglobin
b. resistance in pulmonary arteries decreases
c. pressure in the left atrium increases
d. pressure in both the inferior vena cava and the right atrium increases

Ch 5 Post-test
5. From which of the following germ layers does the notochord form?
a. ectoderm b. mesoderm c. endoderm d. archenteron

Ch. 5 Post-test
9. which of the following may be found in the mother's bloodstream?
a. hCG b. fetal white blood cells c. CO2 made by fetal cells d. two of the above

Ch. 5 Post-test
11. Which of the following blood vessels do NOT contain deoxygenated blood?
a. fetal umbilical artery
b. adult pulmonary arteries
c. fetal umbilial vein
d. superior vena cava

check 6.1
importance of skeletal system

check 6.1
pros and cons: endoskeleton

check 6.1
pros and cons: exoskeletons

check 6.2
specialized functions of cartilage and how these functions relate to unique structural properties of cartilage

Check 6.3
types of bone: compact bone and spongy bone

check 6.3
bones as calcium storage location

check 6.3
bone remodeling

check 6.4
how does a movable joint work

check 6.5
structural characteristics of skeletal muscle

check 6.5
red vs. white fibers

check 6.6
general structure of a sacromere

Check 6.6
role of Ca in muscle contraction

check 6.6
explain organization of contractile elements in muscle (actin, mysoin, cross bridges, sliding filament model)

check 6.7
characteristics of smooth muscle and location

check 6.8
characteristics of cardiac muscle

check 6.9
purpose of creatine phosphate

check 6.9
define the role of myoglobin in active muscle cells

check 6.9
hemoglobin vs. myoglobin

check 6.10
connective tissue

check 6.10
connective tissue: collagenous fibers

check 6.10
connective tissue: elastic fibers

check 6.10
connective tissue: reticular fibers

check 6.10
loose connective tissue: major cell types

check 6.10
dense connective tissue

check 6.10
connective tissue summary

check 6.11
muscle/bone interaction for movement

check 6.11
antagonistic muscle pairs

Ch. 6 Post test #2
Region 1 refers to the A band

Ch. 6 Post-test
5. which of the following cells is correctly coupled with its definition?

Ch. 6 Post-test
7. Pair fiber with its definition

Ch. 6 Post-Test
9. When a muscle fiber is subjected to very frequent stimuli

Ch 6 Post-Test
10. to facilitate the process of birth, the infant's head is somewhat flexible; given by 2 fontanelles, which are soft spots of connective tissue on the infant's skull. fontanelles will eventually ossify through...

Ch. 6 Post-Test
12. Which type of muscle is always multinucleated?

Ch. 6 Post-Test
14. Red bone marrow is involved in erythrocyte function, whereas yellow bone marrow..