Biology Lab Final
In higher animals, including humans, meiosis results in the production of A) Egg cells (Ova) B) Gametes C) Sperm cells D) All of the above
(D) All of the above
Meiosis differs from mitosis in that meiosis A) Requires two cycles of division for completion B) Produced spores in plants but gametes in animals C) Is only found in animals and not in plants D) Both A and B
(D) Both A and B
Deoxyribose is A) A five-carbon sugar B) Present in RNA C) A nitrogen-containing base D) One type of Purine
A) A five-carbon sugar
Organisms capable of producing their own food are known as A) Autotrophs B) Omnivores C) Heterotrophs D) Herbivores
A) Autotrophs
A chi-square test is used to A) Determine if experimental data adequately matches what was expected B) Analyze a Punnett square C) Determine parental genotype producing a given offspring genotype D) Determine if a trait is dominant or recessive
A) Determine if experimental data adequately matches what was expected
If both homologous chromosomes of each pair exist in the same nucleus, the nucleus is A) Diploid B) Unable to undergo meiosis C) Haploid D) None of the above
A) Diploid
DNA duplication occurs during A) Interphase B) Prophase I C) Prophase II D) Interkinesis
A) Interphase
An anticodon A) Is a three-base sequence of a nucleotides on tRNA B) Is produced by translation of RNA C) Has the same base sequence as does the codon D) is the same as a gene
A) Is a three-base sequence of nucleotide on tRNA
In a monohybrid cross A) Only one trait is being considered B) The parents are always dominant C) The parents are always heterozygous D) No hybrid is produced
A) Only one trait is being considered
The physical appearance and physiology of an organism, resulting from interactions of its genetic makeup and its environment, it is A) Phenotype B) Hybrid vigor C) Dominance D) Genotype
A) Phenotype
Photoautotrophs include which of the following A) Plants B) Animals C) Fungi D) All of the above
A) Plants
Transcription of DNA A) Results in formation of a complementary strand of RNA B) Produces two new strands of DNA C) Occurs on the surface of the ribosome D) Is semiconservative
A) Results in a formation of a complementary strand of RNA
Transcription of DNA A) Results in formation of a complementary strand of RNA B) Produces two new strands of DNA C) Occurs on the surface of the ribosome D) Is semiconservative
A) Results in formation of a complementary strand of RNA
The Product of chromosome duplication is A) Two chromatids B) Two nuclei C) Two daughter cells D) Two spindles
A) Two chromatids
A nucleotide may consist of A) Deoxyribose or ribose B) Princes or Pyrimidines C) Phosphate groups D) All of the above
All of the above
Which of the following pigments would you find in a typical leaf A) Chlorophyll, xanthophyll, phycobilins B) Chlorophyll a, chlorophyll b, carotenoids C) Phycocyanin, xanthophyll, fucoxanthin D) Carotenoids, chlorophyll, phycoerythrin
B) Chlorophyll a, chlorophyll b, carotenoids
The process of cytoplasmic division is known as A) Meiosis B) Cytokinesis C) Mitosis D) Fission
B) Cytokinesis
The genetic makeup of an organism is its A) Phenotype B) Genotype C) Locus D) Gamete
B) Genotype
Nitrogen-containing bases between two complementary DNA strands are joined by A) Polar covalent bonds B) Hydrogen bonds C) Phosphate bonds D) Deoxyribose sugars
B) Hydrogen bonds
Nitrogen-containing bases between two complementary DNA strands are joined by A) Polar covalent bonds B) Hydrogen bonds C) Phosphate groups D) Deoxyribose sugars
B) Hydrogen bonds
Nitrogen-containing bases between two complementary DNA strands are joined by A) Polar covalent bonds B) Hydrogen bonds C) Phosphate groups D) Deoxyribose sugars
B) Hydrogen bonds
In meiosis, the number of chromosomes _____ while in mitosis, it ______ A) Is halved/is doubled B) Is halved/remains the same C) Is doubled/is halved D) Remains the same/is halved
B) Is halved/remains the same
The correct sequence of stages in mitosis is A) Interphase, prophase, metaphase, telophase B) Prophase, metaphase, anaphase, telophase C) Metaphase, anaphase, prophase, telophase D) Prophase, telophase, anaphase, interphase
B) Prophase, metaphase, anaphase, telophase
Grana are A) The same as starch grains B) The site of ATP production within chloroplasts C) Part of the rough ER D) Contained within mitochondria and nuclei
B) The site of ATP production within the chloroplast
When carbon dioxide is absorbed into water, the solution becomes more A) Neural B) Alkaline C) Acidic D) Red
C) Acidic
Which of the following is consistent with the principle of base pairing A) Purine-Purine B) Pyrimidine-pyrimidine C) Adenine-thymine D) Guanine-thymine
C) Adenine-thymine
Which of the following is consistent with the principle of base pairing A) Purine-Purine B) Uracil-cytokine C) Adenine-thymine D) Guanine-thymine
C) Adenine-thymine
Which of the following is consistent with the principles of base pairing A) Purine-Purine B) Pyrimidine-pyrimidine C) Adenine-thymine D) Guanine-thymine
C) Adenine-thymine
Products and by-products of photosynthesis do NOT include A) O2 B) C6H12O6 C) CO2 D) H2O
C) CO2
The raw materials used for photosynthesis include A) O2 B) C6H12O6 C) CO2 and H2O D) CH2O
C) CO2 and H2O
The genetic material (DNA) of eukaryotes is organized into A) Centrioles B) Spindles C) Chromosomes D) Microtubules
C) Chromosomes
The daughter nuclei produced by meiosis are A) Genetically identical B) Diploid C) Haploid D) Both a and b
C) Haploid
The difference between deoxyribose and ribose is that ribose A) Is a six-carbon sugar and deoxyribose has only five carbons B) Bonds only to thymine, not uracil C) Has one more oxygen atom than deoxyribose has D) Is all of the above
C) Has one more oxygen atom than deoxyribose has
Centrioles and a starburst cluster of spindle fibers would be found in A) Both plant and animal cells B) Only plant cells C) Only animal cells D) None of the above
C) Only animal cells
A thin layer chromatogram is useful for A) Measuring the amount of photosynthesis B) Determining the amount of gas produced during photosynthesis C) Separating pigments based on their physical characteristics D) Determining the presence of sugars in a leaf
C) Separating pigments based on their physical characteristics
Each amino acid is specified by a set of ______ base(s) in mRNA A) One B) Two C) Three D) Four
C) Three
A nucleotide may consist of A) Deoxyribose or ribose B) Purines or Pyrimidines C) Phosphate groups D) All of the above
D) All of the above
A nucleotide may consist of A) Deoxyribose or ribose B) Purines or pyrimidines C) Phosphate groups D) All of the above
D) All of the above
Alternative forms of genes are called A) Homologous B) Locus C) Loci D) Alleles
D) Alleles
Chromatids separate during A) Prophase B) Telophase C) Cytokinesis D) Anaphase
D) Anaphase
The term"2n" means A) The diploid chromosome number is present B) The haploid Chromosome number is present C) Chromosomes within a single nucleus exist in a homologous pairs D) Both A and C
D) Both A and C
During prophase, duplicated chromosomes A) Consist of chromatids B) Contain centromere C) Consist of Nucleoproteins D) Contain all of the above
D) Contain all of the above
The individuals responsible for constructing the first model of DNA structure were A) Wallace and Watson B) Lamarck and Darwin C) Mendel and Meischer D) Crick and Watson
D) Crick and Watson
Recombination of alleles on non-sister chromatids occurs during A) Anaphase I B) Meiosis II C) Telophase II D) Crossing over
D) Crossing over
Reproduction in prokaryotes occurs primarily through the process known as A) Mitosis B) Cytokinesis C) Furrowing D) Fission
D) Fission
When both dominant and recessive alleles are present within a single nucleus, the organism is ______ for the trait A) Diploid B) Haploid C) Homozygous D) Heterozygous
D) Heterozygous
Cell plate formation A) Occurs in plant cells but not in animal cells B) Usually begins during telophase C) Is a result of fusion of Golgi vesicles D) Is all of the above
D) Is all of the above
Nondisjunction A) Results in gametes with abnormal chromosome numbers B) Occurs at anaphase C) Results when homologous fail to separate properly in meiosis D) Is all of the above
D) Is all of the above
Replication of DNA A) Takes place during interphase B) Results in two double helices from one C) Is semi-conservative D) Is all of the above
D) Is all of the above
Replication of DNA A) Takes place during interphase B) Results in two double helices from one C) Is semiconservative D) All of the above
D) Is all of the above
Possible gamete produced by an individual of genotype PpDd are A) Pp and Dd B) All PpDd C) PD and pd D) PD, Pd, pD and pd
D) PD,Pd, pD and pd
Possible gamete genotype produced by an individual of genotype PpDd are A) Pp and Dd B) All PpDd C) PD and pd D) PD, Pd, pD, and pd
D) PD,Pd, pD, and pd
A Punnett square is used to determine A) Probable gamete genotypes B) Possible Parental phenotypes C) Possible parental genotype D) Possible genetic outcomes of a cross
D) Possible genetic outcomes of a cross
A Punnett square is used to determine A) Probable gamete genotype B) Possible parental phenotypes C) Possible parental genotype D) Possible genetic outcomes of a cross
D) Possible outcomes of a cross
An allele whose expression is completely masked by the expression or effect of its allelic partner A) Homologous B) Homozygous C) Dominant D) Recessive
D) Recessive
An allele whose expression is completely masked by the expression or effect of its allelic partner is A) Homologous B) Homozygous C) Dominant D) Recessive
D) Recessive
Most plants store carbohydrates in the form of A) Glucose B) Sucrose C) Water D) Starch
D) Starch
The ultimate source of the energy trapped during photosynthesis is A) CO2 B) H2O C) O2 D) Sunlight
D) Sunlight
During the S period of interphase A) Cell growth takes place B) Nothing occurs because this is a resting period C) Chromosomes divide D) Synthesis (or replication) of the nucleoproteins takes place
D) Synthesis (or replication) of the nucleoproteins takes place
