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SCIENCE/T7/DNA & CHROMOSOMES > PRACTICE TEST 1 (50) > Flashcards

PRACTICE TEST 1 (50) Flashcards

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Biology 101 flashcards
1
Q

BLOOD OXYGEN LEVELS ARE MOST LIKELY LOW WHEN BLOOD?

A

FILLS THE RIGHT ATRIUM

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2
Q

AN INTRACELLULAR CHEMICAL SIGNAL CAN BE PRODUCED IN THE CELL MEMBRANE. ONCE IT IS PRODUCED, WHERE DOES IT GO?

A

TO ANOTHER PART OF THE SAME CELL

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3
Q

AFTER FOOD HAS BEEN MASTICATED IN THE ORAL CAVITY, WHERE DOES IT GO NEXT?

A

PHARYNX

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4
Q

THE DIFFUSION OF NUTRIENTS THROUGH THE WALLS OF THE DIGESTIVE SYSTEM IS CRITICAL TO HOMEOSTASIS IN THE BODY. WHERE DOES THE MAJORITY OF THIS DIFFUSION TAKE PLACE IN THE DIGESTIVE SYSTEM?

A

SMALL INTESTINE

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5
Q

WHERE IS THE SKELETAL MUSCLE FOUND?

A

ATTACHED TO THE BONE

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6
Q

IF A PERSON SMELLS SOMETHING SWEET, WHAT FORM OF INFO IS THIS INITIALLY PERCEIVED AS IN THE NERVOUS SYSTEM?

A

SENSORY

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7
Q

A PERSON IS STARTLED. HER PALMS GET SWEATY AND HER HEART STARTS RACING. WHICH PART OF THE NERVOUS SYSTEM WAS DIRECTLY STIMULATED ?

A

SYMPATHETIC

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8
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12
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13
Q

WHICH OF THE FOLLOWING TYPES OF TISSUES INCLUDE CELLS OF THE IMMUNE SYSTEM AND OF THE BLOOD?

A

CONNECTIVE

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14
Q

WHICH BEST DESCRIBES HOMEOSTASIS?

A

A RELATIVELY CONSTANT ENVIRONMENT IN THE BODY

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14
Q

FERTILIZATION (THE FUSING OF ONE SPERM AND AN OVUM) RESULTS IN AN?

A

ZYGOTE

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15
Q

WHICH OF THE FOLLOWING ARE INCLUDED IN THE MALE REPRODUCTIVE SYSTEM?

A

THE PENIS & EPIDIDYMIS

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16
Q

WHAT STRUCTURE PLAYS A ROLE IN AIR CONDUCTION?

A

TRACHEA

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17
Q

WHAT BODY SYSTEM IN THE SKELETAL SYSTEM MOST CLOSELY ASSOCIATED WITH WHEN HEMATOPLESIS HAPPENS?

A

CARDIOVASCULAR SYSTEM

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18
Q

WHAT IS THE FINAL STRUCTURE THROUGH WHICH URINE MUST TRAVEL TO EMPTY OUT OF THE BODY?

A

URETHRA

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19
Q

WHICH SEQUENCE DESCRIBES THE HIERARCHY LEVEL OF BIOLOGICAL ORGANIZATION?

A

KINGDOM-PHYLUM-CLASS-ORDER-FAMILY-GENUS-SPECIES

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20
Q

WHAT EXAMPLE IS PART OF THE SCIENTIFIC METHOD?

A

A RESEARCHER ANALYZES HOW MANY PLANTS RESPOND WELL TO A NEW FERTILZER

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21
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22
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23
Q

WHAT STANDARD IS USED TO MAKE COMPARISONS IN EXPERIMENTS?

A

CONTROL GROUP

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24
Q

WHY DID IT TAKE MANY YEARS FOR THE CELL THEORY TO BE DEVELOPED?

A

ADVANCEMENTS IN MICROSCOPY TOOK PLACE SLOWLY

25
Q

WHAT ORGANELLE IS ONLY ASSOCIATED WITH PLANT CELLS?

A

CELL WALLS

26
Q

WHICH OF THE FOLLOWING IS SUPPORTED BY THE CELL THEORY?

A

CELLS ARE ALIVE & RECOGNIZED AS THE BUILDING BLOCKS FOR LIFE

27
Q

WHAT RAW INORGANIC MATERIAL WOULD AN AUTOTROPH MOST LIKELY USE TO CREATE CHEMICAL ENERGY FOR GROWTH?

A

MINERALS IN SOIL

28
Q

WHEN WOULD A CELL MOST LIKELY CONTAIN THE MOST NUCLEOTIDES?

A

G1 PHASE

29
Q

WHAT IS THE CORRECT ORDER OF THE STAGES OF THE CELL CYCLE?

A

G1, S1, G2, M

30
Q

A STUDENT NOTICES A PATTERN OF STRIPES ON 5 TIGERS. EACH OF THE FIVE TIGERS HAS THE SAME STRIPE PATTERN. USING HIS INDUCTIVE REASONING, WHAT DOES HE LOGICALLY ASSUME BASED ON THIS INFO?

A

EACH OFFSPRING WILL HAVE THE SAME STRIPE PATTERN

31
Q

A RESEARCHER NOTICES A POSITIVE CORRELATION BETWEEN THE HEIGHT OF A PLANT & NUTRIENT CONCENTRATION OVERTIME. BASED ON THIS OBSERVATION, WHAT CONCLUSION DOES HE REACH?

A

WHEN THE AMOUNT OF NUTRIENTS AVAILABLE TO THE PLANT INCREASES, ITS HEIGHT ALSO INCREASES

32
Q

WHICH STATEMENT BEST REPRESENTS MENDEL’S EXPERIMENTS WITH GARDEN PEAS?

A

MENDEL COLLABORATED W/OTHERS INTERESTED IN GENETICS TO DEVELOP HEREDITARY GUIDELINES WE STILL USE TODAY

33
Q

WHICH OF THE FOLLOWING IS A COMPONENT OF A CHROMOSOME?

A

CENTROMERE

34
Q

WHICH SOLUTION HAS pH OF 7 ?

A

PURE WATER

35
Q

WHICH IS CLASSIFIED AS A TYPE OF ACID-BASE REACTION THAT PRODUCES A SALT ?

A

NEUTRALIZATION

36
Q

WHICH OF THE FOLLOWING DETERMINES THE STRENGTH OF AN ACIDIC SOLUTION?

A

MEASURED pH VALUE LESS THAN 7

37
Q

WHAT TYPE OF BOND FORMS BETWEEN NITROGEN & OXYGEN AND WHY?

A

COVALENT, B/C ELECTRONS ARE SHARED

38
Q

WHICH OF THE FOLLOWING ATOMS IS A CATION?

A

82 PROTONS, 125 NEUTRONS, 78 ELECTRONS

39
Q

A SPOONFUL OF SUGAR IS ADDED TO A HOT CUP OF TEA. ALL THE SUGAR DISSOLVES. HOW CAN THE RESULTING SOLUTION BE DESCRIBED ?

A

UNSATURATED AND HOMOGENOUS

40
Q

IN THE FOLLOWING SINGLE-REPLACEMENT REACTION, ________REPLACES________
C12+2Na–>2NaCl+I2

A

CHLORINE AND IODINE

41
Q

WHAT TYPE OF REACTION IS DESCRIBED BY THE FOLLOWING EQUATION?
ZnBr2(aq)+2KOH(aq)—–>Zn(OH)2(8)+2KBr(aq)

A

DOUBLE REPLACEMENT

42
Q

____________ IS DEPENDENT NOT ONLY ON THE TEMPERATURE, BUT ALSO ON THE AMOUNT OF SUBSTANCE AVAILABLE

A

EVAPORATION

43
Q

DURING WHICH OF THE FOLLOWING CHANGES WILL THE COHESION BETWEEN THE PARTICLES IN A SUBSTANCE DECREASE?

A

VAPORIZATION

44
Q
A
45
Q
A
46
Q
A
47
Q
A
48
Q
A
49
Q

WHICH IS TRUE REGARDING THE URINARY SYSTEM ?

A
  • KIDNEY HELP REGULATE WATER BALANCE
  • REGULATES LEVELS OF ELECTROLYTES SUCH AS SODIUM + POTASSIUM
  • ELIMINATES METABOLIC WASTES
49
Q

MENDEL DISCOVERED THE PATTERN ASSOCIATED WITH ______AFTER DEVELOPING A SERIES OF RULES IN GENETICS?

A

HEREDITY

49
Q

IN WHICH STATE OF MATTER ARE THE INTERMOLECULAR FORCES BETWEEN PARTICLES IN A SUBSTANCE IS THE STRONGEST?

A

SOLID

50
Q

THE SEQUENCE OF AMINO ACIDS IN A GENE DETERMINES?

A

THE PRIMARY STRUCTURE OF A PROTEIN

51
Q

DURING THE AGING PROCESS, NOT ALL HOROMONE LEVELS DECREASE, SOME ACTUALLY INCREASE, WHICH OF THE FOLLOWING IS A HOROMONE THAT MAY INCREASE AS A PERSON AGES?

A

LUTEINIZING

52
Q
A
53
Q
A
54
Q

WHAT PHASE IS THE CELL CYCLE A PART OF?

A

INTERPHASE

54
Q

IN WHICH STATE OF MATTER DO THE PARTICLES OF IRON HAVE THE LOWEST AMOUNT OF COHESION?

A

GASEOUS IRON PARTICLES HAVE THE LOWEST AMOUNT OF COHESION

55
Q

A PERSON IS DIAGNOSED AS HAVING ACIDOSIS A CONDITION IN WHICH THE BLOOD pH IS BELOW 7.45. WHAT DOES THE DOCTOR MOST LIKELY CONCLUDE?

A

TOO MUCH CARBON DIOXIDE IS FOUND IN THE BLOOD

56
Q

AN ATOM HAS 28 PROTONS, 32 NEUTRONS AND 28 ELECTRONS. WHAT IS THE NAME OF THIS ISOTOPE?

A

NICKEL-60

57
Q

THE PHYSICAL APPEARANCE OR ____________ OF AN ORGANISM IS DETERMINED BY A SET OF ALLELES?

A

PHENOTYPE

58
Q

ARRANGE THE PATH OF FOOD THROUGH THE DIGESTIVE SYSTEM?

A

ORAL CAVITY
PHARYNX
PYLORIC SPHINCTER
SMALL INTESTINE
LARGE INTESTINE
COLON

SCIENCE/T7/DNA & CHROMOSOMES (10 decks)

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