Module 1 Flashcards

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1
Q

Which of the following is evidence that viruses are not living things?

A

Viruses are not made from cells.

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2
Q

You can use your hand to hold a pencil and write your name, but you would not be able to do this with just one finger. This is an example of:

A

An emergent property.

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3
Q

What is the smallest level of organization?

A

Organelles

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4
Q

In order to understand the effects of Alzheimer’s disease, Dr. Mohammed’s lab is studying how proteins thought to be involved in the disease can be induced to fold up in different ways. This is an example of:

A

Reductionism

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5
Q

All cells contain:

A

A plasma membrane

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6
Q

The best definition of the word genome is:

A

All genetic material found in an organism

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7
Q

The central dogma of molecular biology states:

A

DNA is transcribed to make RNA and RNA is translated to make protein.

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8
Q

Which of the following was a key takeaway from the human genome project?

A

That humans have way fewer genes than expected.

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9
Q

Plants use sunlight to obtain ______ from their environment.

A

Energy

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10
Q

What is an example of negative feedback?

A

When your body temperature goes back up to the normal range, you stop shivering

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11
Q

True or false: All living things become better adapted to their environments over time.

A

False

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12
Q

Which of the following statements best describes the relationship between humans and chimpanzees?

A

humans and chimpanzees share a common ancestor, which lived about 10 million years ago.

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13
Q

All eukaryotes are

A

Multicellular

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14
Q

Atoms have no electric charge because they have ______?

A

an equal number of protons and electrons

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15
Q

How many electrons are present in a H- and H+ ion respectively?

A

2,0

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16
Q

In the term trace element, the adjective trace means ____

A

the element is required ion very small amounts

17
Q

Radioisotopes are dangerous because

A

they emit large amounts of energy, which can cause unpredictable chemical reactions

18
Q

In Darwin’s “Origin of Species” he writes about observing that groups of finches (a type of bird) resembled each other but had different shaped beaks that seemed correlated with the birds’ diets. This is an example of:

A

Making observations

19
Q

Having people from diverse backgrounds working in science and medicine benefits us all because

A

people from similar backgrounds may share similar biases and assumptions

20
Q

Nitrogen (N) is more electronegative than hydrogen (H). Which of the following is a correct statement about the atoms in ammonia (NH3)?
-Each hydrogen atom has a partial positive charge; the nitrogen atom has a partial negative charge.
-Ammonia has an overall positive charge.
-Ammonia has an overall negative charge.
- The nitrogen atom has a partial positive charge; each hydrogen atom has a partial negative charge.

A

Each hydrogen atom has a partial positive charge; the nitrogen atom has a partial negative charge.

21
Q

Which type of bonds strongest in water?

A

Covalent

22
Q

Salts are held together by

A

Ionic Bonds

23
Q

Is the chemical bond C-O polar or non-polar

A

POLAR

24
Q

Define: Reductionism

A

understanding something complex by breaking it down into its component parts and studying them individually.

25
Q

Define: Emergent Properties

A

properties that are observable only at higher levels of organization

26
Q

Define: Genome

A

The genetic material of an organism or virus. Provides all information about the organism and directs all vital processes. Present in Nucleus (DNA) Mitochondrion (Mitochondrial DNA)

27
Q

Define: Genomics

A

The study of whole sets of genes (or other DNA) and their interactions within a species.

28
Q

Define: Proteome

A

The entire set of proteins expressed by a given cell, tissue, or organism.

29
Q

Define: Proteomics

A

The systematic study of sets of proteins and their properties.

30
Q

Define: Energy

A

The capacity to cause changes, especially to do work.

31
Q

Define: Matter

A

Anything that takes up space and has mass.

32
Q

Define: Negative Feedback

A

A form of regulation in which accumulation of an end product slows the process. EX: Decreasing hormone signaling, negative feedback regulation prevents excessive pathway activity.

33
Q

Define: Hypothesis

A

Rational accounting for a set of observations based on the available data.

34
Q

Define: Theory

A

A group of general propositions commonly regarded as correct that can be used to predict phenomena.