Author: Biology Junction Team

Quiz Protein Synthesis

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Protein Synthesis

 

 

Completion
Complete each sentence or statement.
1.
In eukaryotes, gene expression is related to the coiling and uncoiling of ____________________.
2.
A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.
3.
The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.
4.
Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____________________.
5.
Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.
6.
According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
7.
The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
8.
Enzymes called ____________________ are responsible for unwinding the DNA double helix by breaking the hydrogen bonds that hold the complementary strands together.
9.
The process by which DNA copies itself is called ____________________.
10.
Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
11.
The nitrogen-containing base that is found only in RNA is ____________________.
12.
The enzyme responsible for making RNA is called ____________________.
13.
The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.
14.
A ____________________ is a sequence of DNA at the beginning of a gene that signals RNA polymerase to begin transcription.
15.
Messenger RNA is produced during the process of ____________________.
16.
Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.
17.
Nucleotide sequences of tRNA that are complementary to codons on mRNA are called ____________________.
18.
The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is called a(n) ____________________.
19.
The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.
20.
During translation, amino acids are brought to the ribosomes by molecules of ____________________.

 
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Quiz DNA

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Quiz DNA

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Despite years of research, the actual structure of the DNA molecule is still unknown.
2.
Franklin’s X-ray diffraction images suggested that the DNA molecule resembled a tightly coiled spring, a shape called a helix.
3.
In all living things, DNA replication must occur after cell division.
4.
Multiple DNA polymerases may become attached to more than one portion of a DNA molecule at once, speeding up the rate of replication.
5.
Before a DNA molecule can replicate itself, it must make itself more compact. This is accomplished by the double helix coiling up on itself.
 

Completion
Complete each sentence or statement.
6.
A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.
7.
The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.
8.
Watson and Crick determined that DNA molecules have the shape of a(n) ____________________.
9.
Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.
10.
According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
11.
The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
12.
Enzymes called ____________________ are responsible for unwinding the DNA double helix by breaking the hydrogen bonds that hold the complementary strands together.
13.
The process by which DNA copies itself is called ____________________.
14.
Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
15.
The nitrogen-containing base that is found only in RNA is ____________________.
16.
The enzyme responsible for making RNA is called ____________________.
17.
The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.

 
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Quiz Genetics

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Genetics

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Genetics is the branch of biology that involves the study of how different traits are transmitted from one generation to the next.
2.
Mendel discovered predictable patterns in the inheritance of traits.
3.
The scientific study of heredity is called genetics.
4.
In Mendel’s experiments with the flower color of pea plants, only the parental generation produced white flowers.
5.
Mendel concluded that the patterns of inheritance are determined entirely by the environment.
6.
The law of independent assortment was proposed by Mendel to explain his observations of inheritance patterns.
7.
Genes on chromosomes are the units of inheritance.
8.
The allele for a recessive trait is usually represented by a capital letter.
9.
Heterozygous individuals have two of the same alleles for a particular gene.
10.
A probability of 1/4 is equal to a probability of 75 percent.
11.
The dominant allele for tallness in pea plants is represented by the letter t.
12.
In codominance, two alleles are expressed at the same time.
13.
All genes have only two alleles.
14.
A dihybrid cross involves two pairs of contrasting traits.
15.
Crosses involving a study of one gene are called monohybrid crosses.
 

Completion
Complete each sentence or statement.
16.
A reproductive process in which fertilization occurs within a single plant is ____________________.
17.
Mendel produced strains of pea plants through the process of ____________________.
18.
____________________ refers to the transmission of traits from parent to offspring in sexually reproducing organisms.
19.
In heterozygous individuals, only the ____________________ allele achieves expression.
20.
A trait that is not expressed in the F1 generation resulting from the crossbreeding of two genetically different, true-breeding organisms is called ____________________.
21.
The principle that states that one factor may mask the effect of another factor is the principle of ____________________.
22.
In Mendel’s experiments, a trait that disappeared in the F1 generation but reappeared in the F2 generation was always a ____________________.
23.
The cellular process that results in the segregation of Mendel’s factors is ____________________.
24.
Mendel formulated two principles known as the laws of ____________________.
25.
An organism that has two identical alleles for a trait is called ____________________.
26.
An organism’s ____________________ refers to the set of alleles it has inherited.
27.
The likelihood that a specific event will occur is called ____________________.
In pea plants, tallness (T) is dominant to shortness (t). Crosses between plants with these traits can be analyzed using a Punnett square similar to the one shown below.
T
t
T
1
2
t
3
4
28.
Refer to the illustration above. The parents shown in the Punnett square could have offspring with a genotype ratio of ____________________.
29.
Refer to the illustration above. The phenotype of the plant that would be represented in box “4” of the Punnett square would be ____________________.
30.
A cross involving two pairs of contrasting traits is a(n) ____________________ cross.

 
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Periodic Table

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Periodic Table of the Elements

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Unq Unp Unh Uns Uno Une
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
Name Number Weight
Melts Boils

 

Legend
Metals A solid substance that is a good conductor of heat and electricity. Can be formed into many shapes.
Metalloid “Middle elements” – conduct heat and electricity better than nonmetals, but not as well as metals. Easier to shape than nonmetals, but not as easy as metals. Solid at room temperature.
Nonmetals A poor conductor of heat and electricity. Not easily formed into shapes.

 

 

 

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Protist Study Guide

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Protist Quiz

 

 

Modified True/False
Indicate whether the statement is true or false.  If false, change the identified word or phrase to make the statement true.
 1.
The kingdom Protista contains the eukaryotes that are not plants, animals, or fungi. _________________________
 2.
Sexual reproduction with spores evolved in protists. _________________________
 3.
Tissues, organs, and organ systems evolved in unicellular protists. _________________________
 4.
Sexual reproduction allows Chlamydomonas to delay development of new organisms until environmental conditions are favorable. _________________________
 5.
Amoebas move by means of pseudopodia. _________________________
 6.
Diatoms are the only type of protists with single shells. _________________________
 7.
Paramecium takes in food through its contractile vacuole. _________________________
 8.
Cellular slime molds form a mass of cytoplasm that has many nuclei. _________________________
 9.
Protists have an important effect on humans because they cause disease. _________________________
 10.
Malaria is caused by the protist Plasmodium and is spread by the bite of certain fleas. _________________________
 11.
Carrageenan is a product made by protists that is used to flavor many food products. _________________________
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 12.
Which of the following is not true about some or all protists?
a.
 unicellular and heterotrophic
c.
 multicellular and autotrophic
b.
 unicellular and autotrophic
d.
 multicellular and prokaryotic
 13.
The kingdom Protista does not include
a.
 most of the single-celled eukaryotes.
c.
 multicellular seaweed.
b.
 slime and water molds.
d.
 prokaryotes.
 14.
Which of the following characteristics did not evolve in the Kingdom Protista?
a.
 unicellularity
c.
 membrane-bound organelles
b.
 gametes
d.
 complex cilia and flagella
 15.
sexual reproduction : diversity ::
a.
 flagella : cilia
c.
 green algae : flagella
b.
 multicellularity : tissues
d.
 unicellularity : protists
 16.
Eukaryotes that lack the features of animals, plants, or fungi are classified in the kingdom
a.
 Archaebacteria.
c.
 Protista.
b.
 Plantae.
d.
 Animalia.
 17.
You have been given an unknown organism to identify. You find that it is unicellular and has a cell wall. Which of the following must it also have?
a.
 chloroplasts
c.
 pseudopodia
b.
 asexual reproduction
d.
 one or more flagella
 18.
When Chlamydomonas reproduces sexually, it divides by mitosis, producing
a.
 zygospores.
c.
 haploid gametes.
b.
 diploid gametes.
d.
 zoospores.
 19.
Zoospores are
a.
 produced as a result of meiosis.
c.
 produced as a result of mitosis.
b.
 diploid.
d.
 all parasitic.
 20.
The haploid, gamete-producing phase in the life cycle of some multicellular protists is known as the
a.
 zygospore generation.
c.
 conjugation generation.
b.
 gametophyte generation.
d.
 sporophyte generation.
 21.
The marine green alga Ulva reproduces sexually by
a.
 alternation of generations.
c.
 mitosis.
b.
 conjugation.
d.
 aggregation.
 22.
Pseudopodia are used for
a.
 Paramecium conjugation.
c.
 Euglena reproduction.
b.
 movement by amoebas.
d.
 Paramecium mitosis.
 23.
Amoebas capture food by
a.
 engulfing it.
c.
 trapping it with flagella.
b.
 using cilia.
d.
 taking it into an oral groove.
 24.
When an individual diatom gets too small because of repeated division, it
a.
 grows to full size in its existing shell.
b.
 slips out of its shell, grows to full size, and regenerates a new shell.
c.
 slips out of its shell, grows to full size, and reinhabits its old shell.
d.
 slips out of its shell and lives the rest of its life without a shell.
 25.
Algae are
a.
 sometimes heterotrophic.
b.
 always microscopic in size.
c.
 found in fresh water, salt water, and damp soil.
d.
 found only in fresh water.
 26.
Red algae
a.
 are multicellular.
c.
 have eyespots.
b.
 are unicellular.
d.
 have double shells.
 27.
Euglenoids are examples of protists that
a.
 can be both autotrophic and heterotrophic.
b.
 are only parasitic heterotrophs.
c.
 are always autotrophic.
d.
 swim away from light.
 28.
dinoflagellates : flagella ::
a.
 amoebas : pseudopodia
c.
 ciliates : pseudopodia
b.
 sporozoans : flagella
d.
 amoebas : flagella
 29.
The process in which two Paramecia come together to exchange parts of their genetic material is called
a.
 mitosis.
c.
 pollination.
b.
 replication.
d.
 conjugation.
nar001-1.jpg
 30.
Refer to the illustration above. Excess water in the body of the Paramecium is forced back out by the structure labeled
a.
 A
c.
 D
b.
 C
d.
 E
 31.
Refer to the illustration above. The structure that contains the cell’s chromosomes is labeled
a.
 A
c.
 C
b.
 B
d.
 E
 32.
Refer to the illustration above. Structure C is the
a.
 macronucleus.
c.
 oral groove.
b.
 contractile vacuole.
d.
 micronucleus.
 33.
Refer to the illustration above. The structure that controls routine cellular functions is labeled
a.
 A
c.
 C
b.
 B
d.
 D
 34.
Funguslike protists reproduce by releasing
a.
 gametes.
c.
 zoospores.
b.
 spores.
d.
 plasmodia.
 35.
Giardiasis is a disease that is spread
a.
 by direct person-to-person contact.
c.
 through contaminated water.
b.
 through the air.
d.
 by the Anopheles mosquito.
 36.
Chagas disease is spread by
a.
 kissing bugs.
c.
 contaminated food.
b.
 mosquitoes.
d.
 contaminated water.
 37.
Which of the following is not a human disease caused by a protist?
a.
 amebic dysentery
c.
 malaria
b.
 toxoplasmosis
d.
 tuberculosis.
 38.
giardiasis : contaminated water ::
a.
 amebic dysentery : mosquito
c.
 malaria : mosquito
b.
 amebic dysentery : giardiasis
d.
 malaria : food contamination
 39.
The protist that causes malaria reproduces in the
a.
 intestine of a human.
c.
 red blood cells of a human.
b.
 red blood cells of a mosquito.
d.
 stinger of a mosquito.
 40.
Malaria is caused by several species of
a.
 Toxoplasma.
c.
 Giardia.
b.
 Phytophthora.
d.
 Plasmodium.
 41.
The stage in the life cycle of Plasmodium in which it lives in mosquitoes and is injected into humans is called the
a.
 gametophyte.
c.
 sporophyte.
b.
 sporozoite.
d.
 zoospore.
 42.
Symbiotic protists live in all of the following organisms except
a.
 termites.
c.
 cattle.
b.
 corals.
d.
 bacteria.
 43.
Protists that play an important role in aquatic food webs are called
a.
 plankton.
c.
 anchovies.
b.
 lichens.
d.
 cyanobacteria.
 44.
The evolution of the plant kingdom can be inferred by studying
a.
 green algae.
c.
 red algae.
b.
 brown algae.
d.
 dinoflagellates.
 45.
A mass of cytoplasm that has many nuclei is a(n)
a.
 spore.
c.
 colony.
b.
 plasmodium.
d.
 amoeba.
 46.
A protist that almost destroyed the entire potato crop in Ireland in 1846 is a
a.
 plasmodial slime mold.
c.
 dinoflagellate.
b.
 cellular slime mold.
d.
 water mold.
 47.
A downy mildew gets nutrients by
a.
 photosynthesis.
b.
 absorbing them from the environment.
c.
 making them from inorganic chemicals.
d.
 making them from organic building blocks.
 48.
When an algal bloom dies, the bacteria that decompose the algae
a.
 deplete carbon dioxide levels in the water.
b.
 kill the plankton population.
c.
 deplete oxygen levels in the water.
d.
 kill fish.
 49.
A protist used by scientists to study cell movement and cell signaling is a
a.
 dinoflagellate.
c.
 paramecium.
b.
 diatom.
d.
 slime mold.
 50.
Agar is a product used to grow bacteria. Agar comes from
a.
 bacteria.
c.
 diatoms.
b.
 algae.
d.
 amoebas.
 

Completion
Complete each statement.
 51.
Two important features that evolved in the protists were multicellularity and sexual reproduction with the production of ____________________.
 52.
The evolution of ____________________ allowed single-celled organisms to perform many functions at the same time.
 53.
When ______________________________ evolved, protists could become genetically diverse.
 54.
Although protists are diverse, they are all ____________________.
Life Cycle of Chlamydomonas
nar002-1.jpg
 55.
Refer to the illustration above. Arrow B is pointing to a ____________________ in the life cycle.
 56.
Refer to the illustration above. Arrow A is pointing to ____________________ in the life cycle.
 57.
According to the illustration above, Chlamydomonas reproduces both sexually and ____________________.
 58.
Some protists undergo sexual reproduction only at times of environmental ____________________.
 59.
Ulva is characterized by two distinct multicellular phases: a diploid, spore producing phase called the ____________________ generation and a haploid, gamete-producing phase called the ____________________ generation.
nar003-1.jpg
 60.
Refer to the illustration above. The organism shown in A moves and obtains food by means of ____________________.
 61.
Refer to the illustration above. The organism shown in C moves by means of ____________________.
 62.
Refer to the illustration above. The organism shown in B moves by means of ____________________.
 63.
Some amoeboid protists have porous shells called ____________________.
 64.
____________________ have double shells that resemble small boxes with lids.
 65.
The large brown algae that grow along coasts are called ____________________.
 66.
Protists that are strict photoautotrophs are called ____________________.
 67.
Poisonous “red tides” are caused by population explosions of ____________________.
 68.
Brown algae are the only algae that form more than one kind of ____________________.
 69.
Some protists have ____________________ that contain light-sensitive pigments.
 70.
____________________ disease is a protist-caused disease that is transmitted by kissing bugs.
 71.
Disease-causing protists are transmitted mainly by insects or by contaminated ____________________ and ____________________.
 72.
The stage of Plasmodium that infects the liver is called the ____________________; the second stage of the Plasmodium life cycle, which infects red blood cells, is called the ____________________.
 73.
Plantlike protists produce ____________________, which allows most forms of life to live on Earth.
 74.
____________________ are related to green algae and are thought to have evolved from them.
 75.
Funguslike protists resemble fungi in that they reproduce with ____________________ and they ____________________ nutrients from their environment.
 76.
Cellular slime molds usually exist as single-celled amoebas, but they form ____________________ and release ____________________ when food or water is scarce.
 77.
A water mold caused the great potato famine in ____________________ in 1846.
 78.
The empty shells of diatoms are used as ____________________ in cleaning agents.
 79.
Red algae produce carrageenan, which is used in the food industry to ____________________ foods such as ice cream and salad dressings.

 
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