Cells tend to be small, with sizes ranging between 1 and 100 mm. These small sizes help to ensure that cells have a favorable surface-area-to-volume ratio. Choose the statement that explains why a favorable surface-area-to-volume ratio is advantageous.

Higher surface-area-to-volume ratios improve the efficiency of transporting materials in and out of cells.

Lower surface-area-to-volume ratios improve the efficiency of transporting materials in and our of cells.

Higher surface-area-to-volume ratios speed up the flow of cytoplasm within cells.

Higher surface-area-to-volume ratios slow down the flow of cytoplasm within cells.

The Endosymbiotic Theory suggests that eukaryotic cells evolved when an ancient cell engulfed another, forming a permanent symbiotic relationship. Choose the evidence that best justifies this claim.

Mitochondria and chloroplasts contain circular loops of unique DNA

Both mitochondria and chloroplasts perform energy functions

Eukaryotic cells have many mitochondria

Eukaryotic cells have traits in common with archaea

Eukaryotic cells possess an extensive endomembrane system. The extensive use of internal membranes gives eukaryotic cells certain useful advantages not seen in prokaryotic cells. Choose the example that correctly describes one of these advantages.

Lysosomes can maintain a much lower pH than surrounding cytoplasm

Nucleic acids can freely mingle with cytoplasmic enzymes

Endoplasmic reticulum is prevented from forming vesicles

Surface area available for chemical reactions is greatly decreased

____________ & _________________ are organelles that definitely arose from endosymbiosis.

Chloroplast and Golgi apparatus

All of the following are evidence of endosymbiosis EXCEPT

mitochondria and chloroplast have a nucleus

mitochondria and chloroplast ribosomes are similar to bacterial ribosomes

mitochondria and chloroplast are similar in size to bacteria

mitochondria and chloroplast have double membranes

Microvilli are tiny projections that extend off the cell to increase the Surface Area. What purpose might that serve?

Better communication among cells

Ch. 6 ap biology

Authored by Jose Martinez

Biology

10th - 12th Grade

NGSS covered

Used 441+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the rate of nutrients and waste are exchanged from the cell and the environment?

surface ratio

volume

surface area

surface area to volume ratio

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which cells are more efficient at obtaining nutrients?

Small Cells

Medium Size Cells

Large Cells

X-Large Cells

Compared to small cells, large cells have more trouble

dividing

storing needed materials and waste products.

moving needed materials in and waste products out.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Endoplasmic Reticulum is either

Smooth

Rough

Both

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Site of protein production and modification

Smooth ER

Rough ER

Nucleus

Mitochondria

MULTIPLE CHOICE QUESTION

1 min • 1 pt

breaks down glucose to release energy for the cell

nucleus

lysosomes

mitochondria

vacuole

What is the main difference between prokaryotic and eukaryotic cells?

Prokaryotic cells have a nucleus and Eukaryotic cells do not

Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.

Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.

Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.

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Ch. 6 ap biology

What determines the rate of nutrients and waste are exchanged from the cell and the environment?

Which cells are more efficient at obtaining nutrients?

Compared to small cells, large cells have more trouble

Endoplasmic Reticulum is either

Site of protein production and modification

breaks down glucose to release energy for the cell

What is the main difference between prokaryotic and eukaryotic cells?

I make proteins for the cell. What am I?

I package and label the fats and proteins for the cell like a post office. What am I?

In a cell with high energy requirements, which organelle will you find a large number of?

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