STRAIGHTERLINE BIO 101 FINAL EXAM
QUESTIONS AND ANSWERS LATEST
ALREADY GRADED A+
Question 1
During surgery for breast cancer, surgeons will often remove lymph nodes in the
armpit. what is the most likely reason for this?
Correct Answer
If any cancer cells have entered the lymph, they will travel to the closest lymph
nodes, which are in the armpit.
Question 2
vertebrates possessing a four-chambered heart are
Correct Answer
warm-blooded (maintains a constant body temperature)
Question 3
which sequence correctly lists the different levels of biological organization, from the
smallest and simplest to the largest and most complex?
Correct Answer
cell-tissues-organ-organ systems-organisms
Question 4
when comparing energy and chemicals in an ecosystem,
Correct Answer
chemicals cycle over and over again but energy flows through once
Page 1 of 66
,Question 5
the entrance and exit of air into and out of the lungs is called
Correct Answer
ventilation
Question 6
which of the following descriptions does not occur during apoptosis?
Correct Answer
DNA is duplicated
Question 7
which of the following is an accurate comparison of Alzheimer and Parkinson
diseases?
Correct Answer
patients with AD produce too much beta amyloid, while those with PD produce too
little dopamine
Question 8
which technology was first established by Cro-Magnon?
Correct Answer
throwing spears
Question 9
how can urine contain a higher concentration of wastes (be hypertonic) than the
blood?
Correct Answer
reabsorption of water in the loop of the nephron and collecting ducts leaves behind
a more concentrated urine
Page 2 of 66
,Question 10
an individual who has an XXY combination of sex chromosomes is said to have _____
syndrome
Correct Answer
Klinefelter
Question 11
how efficient is the breakdown of one glucose via cellular respiration?
Correct Answer
39%
Question 12
a method used to determine if the DNA found at a crime scene belongs to a
particular individual is short tandem repeat (STR). this method employs
Correct Answer
repeated sequences found at multiple sites in the DNA
Question 13
the segments of a tapeworm consisting primarily of eggs, which hang in bags as a
long chain behind the head are called
Correct Answer
proglottids
Question 14
which of the following is not true of the chromosomes in a cell undergoing mitosis?
Correct Answer
they are available for RNA synthesis
Page 3 of 66
, Question 15
the structure which monitors blood pressure in the kidney is called the
Correct Answer
juxtaglomerular apparatus
Question 16
during photosynthesis, solar energy is converted to chemical energy by the
chloroplasts. the process is represented by
Correct Answer
solar energy + carbon dioxide + water --> carbohydrate + oxygen
Question 17
which of the following symptoms would not be typical of otits media?
Correct Answer
headache
Question 18
ecology is best defined as the study of
Correct Answer
organisms as they interact with other organisms and with their physical
surroundings
Question 19
segments of DNA that are not part of the gene are called
Correct Answer
introns
Page 4 of 66
QUESTIONS AND ANSWERS LATEST
ALREADY GRADED A+
Question 1
During surgery for breast cancer, surgeons will often remove lymph nodes in the
armpit. what is the most likely reason for this?
Correct Answer
If any cancer cells have entered the lymph, they will travel to the closest lymph
nodes, which are in the armpit.
Question 2
vertebrates possessing a four-chambered heart are
Correct Answer
warm-blooded (maintains a constant body temperature)
Question 3
which sequence correctly lists the different levels of biological organization, from the
smallest and simplest to the largest and most complex?
Correct Answer
cell-tissues-organ-organ systems-organisms
Question 4
when comparing energy and chemicals in an ecosystem,
Correct Answer
chemicals cycle over and over again but energy flows through once
Page 1 of 66
,Question 5
the entrance and exit of air into and out of the lungs is called
Correct Answer
ventilation
Question 6
which of the following descriptions does not occur during apoptosis?
Correct Answer
DNA is duplicated
Question 7
which of the following is an accurate comparison of Alzheimer and Parkinson
diseases?
Correct Answer
patients with AD produce too much beta amyloid, while those with PD produce too
little dopamine
Question 8
which technology was first established by Cro-Magnon?
Correct Answer
throwing spears
Question 9
how can urine contain a higher concentration of wastes (be hypertonic) than the
blood?
Correct Answer
reabsorption of water in the loop of the nephron and collecting ducts leaves behind
a more concentrated urine
Page 2 of 66
,Question 10
an individual who has an XXY combination of sex chromosomes is said to have _____
syndrome
Correct Answer
Klinefelter
Question 11
how efficient is the breakdown of one glucose via cellular respiration?
Correct Answer
39%
Question 12
a method used to determine if the DNA found at a crime scene belongs to a
particular individual is short tandem repeat (STR). this method employs
Correct Answer
repeated sequences found at multiple sites in the DNA
Question 13
the segments of a tapeworm consisting primarily of eggs, which hang in bags as a
long chain behind the head are called
Correct Answer
proglottids
Question 14
which of the following is not true of the chromosomes in a cell undergoing mitosis?
Correct Answer
they are available for RNA synthesis
Page 3 of 66
, Question 15
the structure which monitors blood pressure in the kidney is called the
Correct Answer
juxtaglomerular apparatus
Question 16
during photosynthesis, solar energy is converted to chemical energy by the
chloroplasts. the process is represented by
Correct Answer
solar energy + carbon dioxide + water --> carbohydrate + oxygen
Question 17
which of the following symptoms would not be typical of otits media?
Correct Answer
headache
Question 18
ecology is best defined as the study of
Correct Answer
organisms as they interact with other organisms and with their physical
surroundings
Question 19
segments of DNA that are not part of the gene are called
Correct Answer
introns
Page 4 of 66
