Deck 10: Comprehensive Examination: Science

Question 1

Humans store glucose in long chains called ______________.

A)Disaccharides
B)Monosaccharides
C)Starch
D)Glycogen
E)Cholesterol

Answer 1

Glycogen

Question 2

A mutation in DNA that changes the DNA sequence but does not alter the amino acid of a protein is known as ____________.

A)Silent mutation
B)Frameshift mutation
C)Insertion mutation
D)Deletion mutation
E)Point mutation

Answer 2

Silent mutation

Question 3

Which of the following is not a property of water?

A)High surface tension
B)Hydrophilic
C)Good solvent
D)Density as a solid is higher than its density as a liquid
E)Naturally occurs in all three states of matter

Answer 3

Density as a solid is higher than its density as a liquid

Question 4

The cell membrane is comprised of which of the following molecules?

A)Phospholipids
B)Carbohydrates
C)Proteins
D)Nucleic acids
E)Triglycerides

Question 5

Where is insulin manufactured?

A)In the cells of living tissue.
B)In the lining of the small intestine.
C)In the gall bladder.
D)In the pancreas.

Question 6

What is the function of the myelin sheath that surrounds neurons?

A)Increase speed of impulses
B)Maintain polarization
C)Decrease friction
D)Control growth of neurons
E)Oxygen exchange

Question 7

If the father's blood type is AB and the mother's blood type is homozygous B, what is the percent likelihood that their offspring will exhibit type B?

A)0%
B)25%
C)50%
D)75%
E)100%

Question 8

What is the most likely explanation for leaves wrapped in white construction paper having the lowest amount of chlorophyll?

A)White paper prevented sunlight from being absorbed by the leaves
B)White paper prevented carbon dioxide from being taken in by the leaves
C)White paper prevented oxygen from being released by the leaves
D)White paper prevented water from being released by the leaves
E)Black paper prevented heat from being absorbed by the leaves.

Question 9

Giraffes with longer necks can reach more food and are more likely to survive and produce offspring. This is an example of:

A)Natural selection
B)Divergent evolution
C)Coevolution
D)Speciation
E)Convergent evolution

Question 10

As the dominant plant of the area changes, the total biomass of the community __________.

A)Increases
B)Decreases
C)Remains the same
D)Decreases then increases
E)Increases then decreases

Question 11

Which of the following can function as an inorganic coenzyme?
I. Iron
II. Magnesium
III. Zinc

A)I only
B)II only
C)III only
D)I and II only
E)I, II, and III only

Question 12

Which muscle is responsible for unlocking the kneecap while walking?

A)Fibularis brevis
B)Plantaris
C)Biceps femoris
D)Sartorius

Question 13

When the three curves of your spine are balanced, you are considered to have good what?

A)Manners
B)Physique
C)Awareness
D)Posture

Question 14

What is a term used to describe the subtle energy running through the body?

A)The Tao
B)The Force
C)Chi
D)ATP

Question 15

Which veins return deoxygenated blood from the head to the heart?

A)Varicose
B)Jugular
C)Femoral
D)Cranial

Question 16

Which of the following statements about adaptive radiation is false?

A)Adaptive radiation is a rapid process.
B)Phenotypes adapt to the environment.
C)Adaptive radiation often occurs as the result of an organism arising in an environment with an undefined niche.
D)Adaptive radiation results in the creation of numerous species from a single lineage.
E)Adaptive radiation is not driven by natural selection.

Question 17

In translation, the first codon always codes for what amino acid?

A)Alanine
B)Valine
C)Proline
D)Tryptophan
E)Methionine

Question 18

Which of the following is the complementary base strand to the sequence AGCGTATTGCG?

A)TGCGATAAGCG
B)ACGCTATTCGC
C)GATACGCCATA
D)TCGCATAACGC
E)CGCAATACGCT

Question 19

Which of the following are transport tissues in vascular plants? I. Root
II) Xylem
III) Phloem

A)I only
B)II only
C)III only
D)II and III only
E)I, II, and III only

Question 20

Which of the following is not a biotic factor?

A)Spider silk
B)Crude oil
C)Bone
D)Straw
E)Water

Question 21

During what stage of embryonic development does organ differentiation occur?

A)Morula
B)Zygote
C)Fetus
D)Blastula
E)Gastrula

Question 22

Which of the following is the correct order of development of a fertilized egg?

A)Zygote-morula-blastula-embryo
B)Morula-blastula-zygote-embryo
C)Zygote-embryo-blastula-morula
D)Embryo-morula-zygote-blastula
E)Zygote-blastula-morula-embryo

Question 23

Which muscle fibers are aligned vertically in the body?

A)Transverse
B)Diagonal
C)Rectus
D)Superior

Question 24

What is the oxidation state of chlorine in potassium perchlorate, KClO4?

A)-7
B)-3
C)0
D)3
E)7

Question 25

Which of the following acids is classified as weak?

A)CH₃COOH
B)HCl
C)HBr
D)HClO₄
E)H₂SO₄

Question 26

Which of the following metals reacts explosively when placed in water?

A)Manganese
B)Silver
C)Zinc
D)Sodium
E)Chromium

Question 27

Which of the following families contains characteristically nonreactive elements?

A)Alkali metals
B)Alkaline earth metals
C)Halides
D)Halogens
E)Noble gases

Question 28

Please describe the pathway involved for formation and excretion of urine.

A)Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, ureters drain the urine from the kidneys into the bladder, and the urethra drains the bladder, passing urine outside of the body.
B)Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, the urethra drain the urine from the kidneys into the bladder, and the ureters drain the bladder passing urine outside of the body.
C)The bladder produces urine from the ureters; the urethra drains the bladder of urine to outside the body.

Question 29

Which of the following best describes eversion of the foot?

A)Lateral movement of the sole of the foot
B)Medial movement of the sole of the foot
C)Lateral rotation of the heel
D)Medial rotation of the ankle

Question 30

The shortening of a muscle occurs in which type of contraction?

A)Egocentric
B)Eccentric
C)Concentric
D)Isometric

Question 31

The autonomic nervous system consists of what two parts?

A)Sympathetic and parasympathetic
B)Empathetic and pathetic
C)Organic and energetic
D)Generic and spastic

Question 32

The half-life of 32 grams of a radioactive substance is 6.5 hours. How many grams of the substance remain after 19.5 hours?

A)16 grams
B)8 grams
C)4 grams
D)2 grams
E)32 grams

Question 33

Which of the following elements displays bonding characterized by a delocalized "sea of electrons"?

A)Fluorine
B)Nitrogen
C)Copper
D)Sulfur
E)Argon

Question 34

Anxiety can lead to which of the following conditions?

A)Loss of appetite
B)Constipation or Diarrhea
C)High blood pressure
D)All the above

Question 35

Which of the following is the correct molecular formula for magnesium phosphate?

A)MgPO₄
B)Mg₃.(PO₄)₂
C)Mg(PO₄)₂
D)MgP
E)MgP₂

Question 36

What property of a metal refers to its ability to be hammered into sheets?

A)Ductility
B)Thermal conductivity
C)Electrical conductivity
D)Malleability
E)Density

Question 37

Which of the following elements is most easily oxidized?

A)Nitrogen
B)Fluorine
C)Lithium
D)Neon
E)Sulfur

Question 38

The hamstrings are responsible for flexing which joint?

A)Knee
B)Hip
C)Shoulder
D)Elbow

Question 39

What type of bonding does a molecule of NaCl display?

A)Ionic
B)Polar covalent
C)Nonpolar covalent
D)Metallic
E)Covalent metallic

Question 40

Which of the following compounds is classified as a metallic oxide?

A)H₂O
B)Na₂O
C)CO₂
D)NO₂
E)SO₂

Question 41

A saturated solution of NaCl is heated until more solute can be dissolved. How is this solution best described?

A)Dilute
B)Immiscible
C)Supersaturated
D)Unsaturated
E)Hydrophobic

Question 42

A 40.0 gram sample of a radioactive element decays to 5.0 grams in 15 hours. What is the half-life of this element?

A)3 hours
B)2 hours
C)6 hours
D)7)5 hours
E)5 hours

Question 43

Which of the following compounds contains a double bond?

A)C₂H₆
B)C₂H₄
C)C₃H₈
D)CH₄
E)C₄H₁₀

Question 44

What is the duodenum responsible for?

A)Breaking down food in the small intestines
B)Cleans the blood
C)Creates bile
D)Absorbs oxygen

Question 45

80.0 grams of NaOH is dissolved in 3.0 moles of H20. What is the mole fraction of NaOH in this solution?

A).20
B).37
C).40
D).64
E).79