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Course: AP BIOLOGY
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AP BIOLOGY

1. Chemistry of Life

0/22

2. Cells

0/34

3. Cellular Energetics

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4. Cell Communication and Cell Cycle

0/18

5. Heredity

0/14

6. Gene Expression and Regulation

0/29

7. Natural Selection

0/33

8. Ecology

0/20

AP Biology - Plants and Human Body Systems

0/19

AP Biology - Laboratory review

0/4

AP Biology - Diagnostic exam

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AP Biology - Practice Test 1

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AP Biology - Practice Test 2

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Quiz

2.1 Cell Structure and Function — Image-based organelle quiz

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Use the labelled animal-cell model to connect organelle structure with function and trace the pathway of a secreted protein.

Study the labelled animal-cell model and worked explanations before attempting the six multiple-choice questions. Each question has one best answer.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions." - Dr Khaled Dabour Academy
Educational 3D animal-cell model, not a micrograph and not to scale. Dabour Hub, dabour-hub.com, +966 56 715 8380.
  • Questions count: 6
  • Passing grade: B+
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1.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

1. Which function is associated most directly with the labelled nucleolus?

Packaging proteins into secretory vesicles
Producing ATP by oxidative phosphorylation
Synthesising rRNA and assembling ribosomal subunits
Digesting extracellular material
2.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

2. The small dots on the rough endoplasmic reticulum represent ribosomes. Which protein is most likely to be synthesised by ribosomes bound to this membrane?

A protein destined for secretion from the cell
A protein that remains in the cytosol after synthesis
A DNA molecule in the nucleus
A phospholipid made without a ribosome
3.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

3. Which labelled structure is particularly associated with lipid synthesis and, in some cells, detoxification?

Nucleolus
Plasma membrane only
Golgi apparatus only
Smooth endoplasmic reticulum
4.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

4. How do the folds inside the labelled mitochondrion support its function?

They make the outer membrane completely impermeable
They increase inner-membrane area for the electron transport chain and ATP synthase
They store all the DNA of the animal cell
They replace the need for enzymes
5.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

5. Which route correctly describes a newly synthesised protein that will be secreted from this animal cell?

Ribosome → mitochondrion → nucleus → plasma membrane
Rough ER → transport vesicle → Golgi apparatus → secretory vesicle → plasma membrane
Smooth ER → nucleolus → mitochondrion → plasma membrane
Golgi apparatus → nucleus → free ribosome → plasma membrane
6.

Labelled realistic 3D animal cell model showing nucleus, nucleolus, rough and smooth endoplasmic reticulum, mitochondria, Golgi apparatus and plasma membrane for AP Biology organelle questions.

6. A treatment blocks vesicle export from the labelled Golgi apparatus while ribosomes initially remain functional. Which outcome is most likely?

All cellular DNA is immediately destroyed
The cell starts making a cell wall instead
Every ribosome immediately stops translation
Release of newly made secreted proteins decreases, even though translation may continue initially
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Part of 2. Cells — see every lesson and quiz in this unit.
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