One student earned an 80% in the lab-portion and a 100% for the discussion. What is the combined
lab/discussion grade for this student? - Correct Answers 80%
Their friend put a lot of effort in the lab portion and achieved 100% of the lab-points. However, they
missed 3 of the 15 discussions unexcused and got therefore an 80% discussion score. What is the
combined Lab/Discussion score of this student ? - Correct Answers 80%
Suppose you put of drop of lime flavoring into a glass of water. When you drink the water later, the
flavor has spread throughout the water, rather than remaining in the spot were you deposited it. Why? -
Correct Answers because the flavor molecules are moving and some will end up moving into each part
of the glass
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the next
instant of time, which direction is the orange particle most likely to move?
(A bunch of particle with an arrow pointing to one downward) - Correct Answers All directions are
equally likely
The atmosphere of the early earth lacked molecular oxygen. If O2 had never been added to the
atmosphere, what Geological phenomenon would not have occurred? - Correct Answers Most minerals
wouldnt exist
Which of the following statements best describes the distribution of major events in the history of life
on earth? - Correct Answers major evolutionary milestones tend to be more highly concentrated at the
recent end of the timeline that extends from the origin of life until today.
A drop of dye has been deposited at one end of a tank of water. If you leave the tank of water alone for
a long period of time (several days) and return to it later, which statement best describes the behavior
of individual dye molecules at the time you return? - Correct Answers They're still moving in the same
manner as when they were dropped into the tank
,The atmosphere of the early earth did not contain O2. Where did the O2 eventually come from? -
Correct Answers photosynthetic organisms released the O2
According to hiring managers of large companies, what is the most important characteristic of college
graduates that they consider to hire? - Correct Answers they are well able to work with others and
appreciate working in diverse groups.
According to the scientific evidence, approximately how long ai did earth form?
Where did birds first show up in the fossil record? - Correct Answers 4.6 billion years ago
150 million years ago
Which of the following statements about dragonflies is false? - Correct Answers Dragonflies can
severely sting you, if you touch them
What is happening in this picture (Its the picture of dragon flies on top of each other) - Correct Answers
The two dragon flies are mating with each other.
When dragon flies are not flying, they sit with their wings widely spread rather than folding them back
as most other winged insects do. Why? - Correct Answers They have primitive wing morphology
without a hinge to fold the wings back
D'Angelo is studying how tissues of the body differ in susceptibility to infection by the virus that causes
COVID. He exposes samples of muscle, epithelial, nervous, and connective tissues to a standard quantity
of virus particles, and then measures the percentage of cells in each tissue type that become infected.
Which of the following types of graph is D'Angelo most likely to use to represent the data? - Correct
Answers Bar graph
Which of the following would be an example of the First Law Thermodynamics? - Correct Answers A
dark colored driveway becomes too hot to touch when exposed to strong sunlight in the summer
, A biologist surveys a population consisting of 400 lizards, of which 100 are gray and 300 are black. The
color of a lizard is determined by which allele it has for a particular gene. Two hundred years later,
another biologist surveys the same population of lizards. Which of the following counts would indicate
that the population has evolved? - Correct Answers 300 gray and 600 black
Most animals that are larger than a single cell have a body part that is adapted to serve as a specialized
respiratory surface. Which of the following is a characteristic of ALL animal respiratory surfaces? -
Correct Answers They are wet or moist
One of your instructors has one daughter with a lot of "pride" (=rainbow) things in their room. Amount
other things, she had rainbow light chain. With the different bulbs protruding violet, blue, green, yellow,
orange, and red light. How does the electromagnetic radiation from the various light bulbs differ? -
Correct Answers Wavelength
You observe that Potassium ions (K+) enter a cell by passing through a channel protein in the cells
plasma membrane. Suppose you want to know whether or not the channel protein is gated. Which of
the following is the most appropriate question to ask? - Correct Answers Can K+ always flow through
the channel, or under certain conditions?
Why do cells perform photosynthesis? - Correct Answers To make glucose
What is an adaption in the context of evolution? - Correct Answers A trait produced by natural selection
A population of horned lizards lived for a long time in a valley without shrikes (=predators). Shrikes
arrived and now lizards with longer horns were at an advantage. After the average horn length of the
lizards had significantly increased.
When did the mutations that lead to the longer horn length happen? - Correct Answers Most of them
happened before the shrikes arrived
The great oxygen event was caused by? - Correct Answers cyanobacteria evolved photosynthesis, which
released free O2 into the ocean and atmosphere for the first time
lab/discussion grade for this student? - Correct Answers 80%
Their friend put a lot of effort in the lab portion and achieved 100% of the lab-points. However, they
missed 3 of the 15 discussions unexcused and got therefore an 80% discussion score. What is the
combined Lab/Discussion score of this student ? - Correct Answers 80%
Suppose you put of drop of lime flavoring into a glass of water. When you drink the water later, the
flavor has spread throughout the water, rather than remaining in the spot were you deposited it. Why? -
Correct Answers because the flavor molecules are moving and some will end up moving into each part
of the glass
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the next
instant of time, which direction is the orange particle most likely to move?
(A bunch of particle with an arrow pointing to one downward) - Correct Answers All directions are
equally likely
The atmosphere of the early earth lacked molecular oxygen. If O2 had never been added to the
atmosphere, what Geological phenomenon would not have occurred? - Correct Answers Most minerals
wouldnt exist
Which of the following statements best describes the distribution of major events in the history of life
on earth? - Correct Answers major evolutionary milestones tend to be more highly concentrated at the
recent end of the timeline that extends from the origin of life until today.
A drop of dye has been deposited at one end of a tank of water. If you leave the tank of water alone for
a long period of time (several days) and return to it later, which statement best describes the behavior
of individual dye molecules at the time you return? - Correct Answers They're still moving in the same
manner as when they were dropped into the tank
,The atmosphere of the early earth did not contain O2. Where did the O2 eventually come from? -
Correct Answers photosynthetic organisms released the O2
According to hiring managers of large companies, what is the most important characteristic of college
graduates that they consider to hire? - Correct Answers they are well able to work with others and
appreciate working in diverse groups.
According to the scientific evidence, approximately how long ai did earth form?
Where did birds first show up in the fossil record? - Correct Answers 4.6 billion years ago
150 million years ago
Which of the following statements about dragonflies is false? - Correct Answers Dragonflies can
severely sting you, if you touch them
What is happening in this picture (Its the picture of dragon flies on top of each other) - Correct Answers
The two dragon flies are mating with each other.
When dragon flies are not flying, they sit with their wings widely spread rather than folding them back
as most other winged insects do. Why? - Correct Answers They have primitive wing morphology
without a hinge to fold the wings back
D'Angelo is studying how tissues of the body differ in susceptibility to infection by the virus that causes
COVID. He exposes samples of muscle, epithelial, nervous, and connective tissues to a standard quantity
of virus particles, and then measures the percentage of cells in each tissue type that become infected.
Which of the following types of graph is D'Angelo most likely to use to represent the data? - Correct
Answers Bar graph
Which of the following would be an example of the First Law Thermodynamics? - Correct Answers A
dark colored driveway becomes too hot to touch when exposed to strong sunlight in the summer
, A biologist surveys a population consisting of 400 lizards, of which 100 are gray and 300 are black. The
color of a lizard is determined by which allele it has for a particular gene. Two hundred years later,
another biologist surveys the same population of lizards. Which of the following counts would indicate
that the population has evolved? - Correct Answers 300 gray and 600 black
Most animals that are larger than a single cell have a body part that is adapted to serve as a specialized
respiratory surface. Which of the following is a characteristic of ALL animal respiratory surfaces? -
Correct Answers They are wet or moist
One of your instructors has one daughter with a lot of "pride" (=rainbow) things in their room. Amount
other things, she had rainbow light chain. With the different bulbs protruding violet, blue, green, yellow,
orange, and red light. How does the electromagnetic radiation from the various light bulbs differ? -
Correct Answers Wavelength
You observe that Potassium ions (K+) enter a cell by passing through a channel protein in the cells
plasma membrane. Suppose you want to know whether or not the channel protein is gated. Which of
the following is the most appropriate question to ask? - Correct Answers Can K+ always flow through
the channel, or under certain conditions?
Why do cells perform photosynthesis? - Correct Answers To make glucose
What is an adaption in the context of evolution? - Correct Answers A trait produced by natural selection
A population of horned lizards lived for a long time in a valley without shrikes (=predators). Shrikes
arrived and now lizards with longer horns were at an advantage. After the average horn length of the
lizards had significantly increased.
When did the mutations that lead to the longer horn length happen? - Correct Answers Most of them
happened before the shrikes arrived
The great oxygen event was caused by? - Correct Answers cyanobacteria evolved photosynthesis, which
released free O2 into the ocean and atmosphere for the first time
