Biology Biology Practice Problems Solutions Library

Cells Solutions Library

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30 solutions

Cells

Q. Which of the following is/are a primary difference(s) between all prokaryotes and eukaryotic cells?a. Prokaryotes have DNA that floats freely in th...

Solved • Apr 23, 2020

Cells

Q. Prokaryotes lack which of the following organelles?a. nucleusb. mitochondriac. endoplasmic reticulumd. b and ce. a, b, and c

Solved • Apr 23, 2020

Cells

Q. Why is it possible to separate different components of the cell by centrifugation? In what order will mitochondria, chloroplasts, and ribosomes sep...

Solved • Aug 4, 2018

Cells

Q. Why can cell membranes be polar?

Solved • Aug 3, 2018

Cells

Q. In this organelle, chemical energy from sugars, proteins, and fats are used to make energy for the cell, particularly in respiration and aerobic me...

Solved • Jul 23, 2018

Cells

Q. Explain how prokaryotes and eukaryotes are different.

Solved • Jul 13, 2018

Cells

Q. How do we calculate magnification of a microscope? If we have an ocular of magnification power 10X and an objective lens 40X in place what magnific...

Solved • Jun 28, 2018

Cells

Q. What is the function of the lysosome? What is the majority of its membrane proteins doing?

Solved • Jun 19, 2018

Cells

Q. List three similarities in functiorn between cristae and thylakoid membranes.

Solved • Jun 13, 2018

Cells

Q. Name two similarities in the structure or function of chloroplasts and mitochondira. Name two differences. 

Solved • Jun 12, 2018

Cells

Q. The anchoring body in a eukaryotic flagella is identified as a structure with ______. 

Solved • Jun 11, 2018

Cells

Q. Membrane proteins move laterally in a phospholipid bilayer but generally not up and down. Why would this be so?

Solved • Jun 8, 2018

Cells

Q. You need to add roughly 1 x 10^6 cells/mL into a vial to be frozen down. But before doing this, you need to add 10% DMSO.How much DMSO and media ne...

Solved • Jun 8, 2018

Cells

Q. List two specific cell components or organelles that are found in: (a) all living cells (b) plant, but not animal cells(c) all eukaryotic, but not ...

Solved • Jun 8, 2018

Cells

Q. For each of the items listed below, select the one best answer from the list and place the corresponding letter in the space provided.i. __ Contain...

Solved • Nov 16, 2017

Cells

Q. For each of the items listed below, select the one best answer from the list and place the corresponding letter in the space provided.i. ___ Contai...

Solved • Nov 16, 2017

Cells

Q. Most living cells are small in size because they need a large ratio of surface area to volume. a. True b. False

Solved • Aug 2, 2017

Cells

Q. Most living cells are small in size because they need a small ratio of surface area to volume.  a. True b. False

Solved • Aug 2, 2017

Cells

Q. An understanding of cellular biology is helping us find new treatments for many diseases.  a. True b. False

Solved • Aug 2, 2017

Cells

Q. What is the selective advantage of keeping the surface to volume ratio low in a cell?  a. Maximize the relative surface area to exchange nutrients...

Solved • Aug 2, 2017

Cells

Q. A structure found in prokaryotic cells, plant cells, and animal cells is a:  a. Cell wall b. Chloroplast c. Ribosome d. Mitochondria e. Cilium

Solved • Aug 2, 2017

Cells

Q. A eukaryotic cell:  a. Has a cell wall with peptidoglycan b. Is usually smaller than a prokaryotic cell c. Does not have membrane-bounded organe...

Solved • Aug 2, 2017

Cells

Q. A prokaryotic cell:  a. Has a nucleus b. Does not have a nucleus c. Has a cell wall made of chitin d. Is at least ten micrometers in diameter ...

Solved • Aug 2, 2017

Cells

Q. Ribosomes area. only DNA moleculesb. only RNA moleculesc. single, naked, and circular chromosomesd. only protein moleculese. large molecular aggreg...

Solved • Jul 18, 2017

Cells

Q. Which of the following is not present in all eukaryotic cells?a. endoplasmic reticulumb. ribosomec. plasma membraned. cell walle.Golgi bodies

Solved • Jul 18, 2017

Cells

Q. The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound structures with specific cellular functions. These are calleda...

Solved • Jul 18, 2017

Cells

Q. Some of the functions of the eukaryotic organelles are performed in bacteria by thea. plasma membraneb. nucleoid areac. cell walld. capsulee. flage...

Solved • Jul 18, 2017

Cells

Q. Which of the following is not bounded by membranes?a. endoplasmic reticulumb. Golgi bodyc. nucleoidd. nucleus

Solved • Jul 18, 2017

Cells

Q. Small cells function more effectively, because as cells become larger their surface area to volume ratio a.  increases b. decreases c. stays the...

Solved • Jul 18, 2017

Cells

Q. Which cellular structure is common to both prokaryotic and eukaryotic cells? a. Nucleus b. Endoplasmic reticulum c. Mitochondria d. Plasma memb...

Solved • Jul 13, 2017