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Biology A Unit 1: Lessons 1-5 UPDATED Exam Questions and CORRECT Answers
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Biology A Unit 1: Lessons 1-5 UPDATED Exam Questions and CORRECT Answers Lesson 1: - Correct Answer- Lesson 1:
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Biology A Unit 1: Lessons 1-5 UPDATEDExam Questions and CORRECT Answers
Lesson 1: - Correct Answer- Lesson 1:
Which of the following statements describes a proton of an atom? - Correct Answer- has a
positive charge and is located in the nucleus
Study the model.
https://cdstools.flipswitch.com/asset/media/1155165
This model shows an atom with two neutrons, one proton, and one electron.
Which option shows the correct electrical charges? - Correct Answer- 2 blank red circles
1 yellow circle with P+
1 blue circle with E-
How is a carbon atom represented? - Correct Answer- Circle with a "C" on it
This element is an essential atom in the structure of proteins. Without this element, the body
would be unable to make the proteins it needs to function properly.
What element is this? - Correct Answer- nitrogen
What element has the symbol N? - Correct Answer- nitrogen
What is an atom? - Correct Answer- the smallest unit of matter that has the chemical
properties of an element
What is a neutron? - Correct Answer- a neutral particle that is in the nucleus of an atom
, Which describes electrons? - Correct Answer- Electrons move at very fast speeds around the
nucleus of an atom.
Study the image
https://cdstools.flipswitch.com/asset/media/1155016
What does this model represent? - Correct Answer- an oxygen atom
What are some functions of calcium?
Select all that apply. - Correct Answer- helping with muscle function
making teeth strong
What is the symbol for the element potassium? - Correct Answer- K
How is a hydrogen atom represented? - Correct Answer- Circle with an "H" in it
Study the atomic model.
https://cdstools.flipswitch.com/asset/media/1155170
What is the correct labeling for the atom? - Correct Answer- A—nucleus, B—proton, C—
neutron D—electron
This element can form a wide variety of substances, including long chains. The different
substances it forms are central to the molecules found in living things.
What element is this? - Correct Answer- carbon
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