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Laabri

Copy of Unit 4 Test 25-26 (5/2/2026)

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24 Nsɛmmisa
Protein Synthesis & Gene Expression

7B - describe the significance of gene expression and explain the process of protein synthesis using models of DNA and ribonucleic acid (RNA); (supporting)

7 questions:

Low - #1, #3 and #4

Med - #2, and #7

High - #5 and #6

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Cell Specialization

6B - explain the process of cell specialization through cell differentiation, including the role of environmental factors; (supporting)

3 Questions:

Low - #9 and #10

Med -

High - #8

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B.C.6D
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B.C.5B
Mutations
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B.C.6E
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B.C.6E
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1.

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2.

New Question for QUIZ - ????

11/4 - Nash's suggestion - move to test review since PS quiz is already finalized.

Proteins are essential molecules that perform many functions within cells. A diagram of protein synthesis is shown below.

Based on the image, the structure A is .

Structure B is a .

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3.

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4.

Location of transcription

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6.

Transcribe DNA to mRNA

Translate mRNA to an amino acid sequence

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7.

Insulin is a hormone that is produced in the pancreas. Insulin functions as a key to allow glucose (sugar) from the bloodstream to enter the cells. Glucose provides the body with the energy needed to function properly. Without insulin, glucose in the blood stream will build up in the blood leading to high blood sugar levels. People with diabetes do not produce their own insulin.

What factor is most responsible for the lack of insulin in people with diabetes?

Internal factors

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8.

The Himalayan rabbit’s habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur.

A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur.

Which of these best explains why the hair that grew back where the ice pack was placed was black and not white?

How do external and internal factors affect the traits that an organism exhibits?

Look back and Himalayan rabbit item that connects to gene expression and production of proteins.

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9.

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10.

Identify factors that influence differentiation and specialization

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11.

Identify factors that can influence differentiation and specialization

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12.

The diagram shows how specialized body cells develop.

Which of the following best explains why cells that contain the same genetic material do not develop into the same types of cells?

7C - identify and illustrate changes in DNA and evaluate the significance of these changes; and (readiness)

10 Questions:

Low - #19,

Med -#11, #12, #16 and #17

High - #13, #14, #15, #18 and #20

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15.

ADD to School City

Different types of mutations can occur in DNA. The diagram represents a type of mutation:

The mutation shown above is a .

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16.

Evaluate impact of mutation

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17.

Locate mutations in DNA sequence

Evaluate the impact of a mutation by determining how the changes in DNA will change resultant protein

Use a variety of codon charts

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18.

**For instruction, start with recognizing mutations in images with pictures and symbols before using letters

Insertion

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19.

Substitution

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20.

**Make multiple choice.

A strand of mRNA reads:

AUG CCC AUU CGA UGA

Which of the following mutations would cause the biggest change in the protein produced?

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21.

Which of the following would lead to a mutation of an individual's genetic code?

Select TWO that apply.

Mutations can be caused by errors in DNA replication, chemicals or radiation

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22.

The following mutation has occurred in Claire's MC1R, the gene responsible for producing hair color.

The mutation that has occurred is a .

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23.

Review item

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24.

Review item

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5.

Location of translation