A) composed of protein and lipid subunits. B) organized into functional units called genes. C) organized into functional units called chromosomes. D) organized into functional units called ribosomes. E) organized from information contained in proteins. A) composed of protein and lipid subunits. B) organized into functional units called genes. C) organized into functional units called chromosomes. D) organized into functional units called ribosomes. E) organized from information contained in proteins.

Exam 1: Introduction to Biological Concepts and Research

In the mid-nineteenth century Charles Darwin and Alfred Russel Wallace observed many organisms.Based on these observations they arrived to an explanation on how populations change through time.They termed it:

(Multiple Choice)

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Question 61

You are at a stage in your research in which you must design an experiment to test your hypothesis.What factors must you include to insure that your experimental data is good valid data?

(Essay)

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Question 62

A group of organisms in which the individuals are so closely related in structure, biochemistry, and behavior that they can successfully interbreed is a(n) ____.

(Multiple Choice)

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Question 63

DNA is

(Multiple Choice)

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Question 64

The observations you make and experimental data you collect in your biology laboratory class are examples of:

(Multiple Choice)

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Question 65

The process by which parents produce offspring is called:

(Multiple Choice)

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Question 66

Biological evolution according to Darwin and Wallace states that

(Multiple Choice)

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Question 67

A group of similar species that share the most recent common ancestry is a(n) ____.

(Multiple Choice)

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Question 68

The sequential stages through which individuals develop, grow, maintain themselves, and reproduce are known as the ____.

(Multiple Choice)

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Question 69

The most fundamental and important molecule that distinguishes living systems from nonliving matter is ____.

(Multiple Choice)

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Question 70

As long as a cell has access to a usable energy source, has the necessary raw materials, and is in appropriate environmental conditions, the cell will:

(Multiple Choice)

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Question 71

Although Darwin and Wallace understood the central importance of heritability among organisms to the process of evolution, they could not explain how new variations arose or how they were passed to the next generation.

(True/False)

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Question 72

Why have scientists developed classification systems?

(Multiple Choice)

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Question 73

Populations of all organisms change from one generation to the next because their DNA changes over time.This is known as:

(Multiple Choice)

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Question 74

How you keep body temperature from dropping below its optimal level and how Anolis lizards regulate body temperatures is different in some ways but not others.Explain.

(Essay)

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Question 75

What are the contributions of Beadle, Tatum, Watson, and Crick to biology? What techniques did they use to revolutionize biological science?

(Essay)

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Question 76

All the populations of different organisms that live in the same place form a(n) ____.

(Multiple Choice)

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Question 77

A researcher in a lab finds a microscopic organism that has no nucleus, but has distinctive structural molecules and mechanisms of photosynthesis.The organisms are abundant in virtually every habitat on Earth.The researcher has identified an organism belonging to the domain ____.

(Multiple Choice)

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Question 78

You are studying an ecosystem in your campus; after a solid base of carefully observed and described facts, your next step would be to:

(Multiple Choice)

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Question 79

While running on a treadmill, your heart rate will increase and your breathing will be deeper and more rapid.Among other things, this helps ensure that your muscles get adequate supplies of O₂ as you exercise.These changes are the result of _____.

(Multiple Choice)

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Question 80

Showing 61 - 80 of 82

Exam 1: Introduction to Biological Concepts and Research

In the mid-nineteenth century Charles Darwin and Alfred Russel Wallace observed many organisms.Based on these observations they arrived to an explanation on how populations change through time.They termed it:

You are at a stage in your research in which you must design an experiment to test your hypothesis.What factors must you include to insure that your experimental data is good valid data?

A group of organisms in which the individuals are so closely related in structure, biochemistry, and behavior that they can successfully interbreed is a(n) ____.

DNA is

The observations you make and experimental data you collect in your biology laboratory class are examples of:

The process by which parents produce offspring is called:

Biological evolution according to Darwin and Wallace states that

A group of similar species that share the most recent common ancestry is a(n) ____.

The sequential stages through which individuals develop, grow, maintain themselves, and reproduce are known as the ____.

The most fundamental and important molecule that distinguishes living systems from nonliving matter is ____.

As long as a cell has access to a usable energy source, has the necessary raw materials, and is in appropriate environmental conditions, the cell will:

Although Darwin and Wallace understood the central importance of heritability among organisms to the process of evolution, they could not explain how new variations arose or how they were passed to the next generation.

Why have scientists developed classification systems?

Populations of all organisms change from one generation to the next because their DNA changes over time.This is known as:

How you keep body temperature from dropping below its optimal level and how Anolis lizards regulate body temperatures is different in some ways but not others.Explain.

What are the contributions of Beadle, Tatum, Watson, and Crick to biology? What techniques did they use to revolutionize biological science?

All the populations of different organisms that live in the same place form a(n) ____.

A researcher in a lab finds a microscopic organism that has no nucleus, but has distinctive structural molecules and mechanisms of photosynthesis.The organisms are abundant in virtually every habitat on Earth.The researcher has identified an organism belonging to the domain ____.

You are studying an ecosystem in your campus; after a solid base of carefully observed and described facts, your next step would be to:

While running on a treadmill, your heart rate will increase and your breathing will be deeper and more rapid.Among other things, this helps ensure that your muscles get adequate supplies of O2 as you exercise.These changes are the result of _____.

Filters

While running on a treadmill, your heart rate will increase and your breathing will be deeper and more rapid.Among other things, this helps ensure that your muscles get adequate supplies of O₂ as you exercise.These changes are the result of _____.