mastering biology chapter 4 questions

What is the approximate volume of the budding cell?

14 µm3

Approximately how much additional cytoplasm will the budding cell have to synthesize as it grows to the size of the mature cell?

19 µm3

Approximately how much additional area of plasma membrane will the budding cell have to synthesize as it grows to the size of the mature cell?

22 µm2

What is the approximate surface area of the budding cell? (Remember that you approximated the diameter of the budding cell to be 3 µm.)

28 µm2

What is the approximate diameter of the budding cell?

3 µm

V=4/3πr^3 What is the approximate volume of the mature parent cell?

33 µm3

What is the approximate diameter of the mature parent cell?

4 µm

A=4πr2A=4πr2 What is the approximate surface area of the mapproximated the diameter of the mature parent cell to be 4 µm.)ature parent cell? (Remember that you

50 µm2

Which of the following are common traits of chloroplasts and mitochondria?

Both have their own DNA.

Which of the following statements concerning cells of bacteria and archaea is correct?

DNA is present in both archaea and bacteria.

When the budding cell matures, it will be approximately how many times greater in volume and how many times greater in surface area than its current size?

The new cell will be approximately 2.4 times its current volume and 1.8 times its current surface area.

Which of the following correctly matches an organelle with its function?

central vacuole ... storage

Which organelles or structures are absent in plant cells?

centrosomes

Movement of vesicles within the cell depends on what cellular structures?

microtubules and motor proteins

nuclear envelope One of the key innovations in the evolution of eukaryotes from a prokaryotic ancestor is the endomembrane system. Which eukaryotic organelles or features might have evolved as a part of, or as an elaboration of, the endomembrane system?

nuclear envelope

The volume enclosed by the plasma membrane of plant cells is often much larger than the corresponding volume in animal cells. The most reasonable explanation for this observation is that

plant cells contain a large vacuole that reduces the volume of the cytoplasm.

Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?

proteins

Which structure is the site of the synthesis of proteins destined for export from the cell?

rough ER

Which type of organelle or structure is primarily involved in the synthesis of oils, phospholipids, and steroids?

smooth endoplasmic reticulum

Which organelle often takes up much of the volume of a plant cell?

vacuole

Which of the following clues would tell you if a cell is prokaryotic or eukaryotic?

whether or not the cell is partitioned by internal membranes