Question: Germ cells have ___ unpaired chromosomes and are thus called ___ cells
Answer Choices:
46; diploid (2n)
23; haploid (n)
23; diploid (2n)
23; somatic
46; somatic
Answer: 23; haploid (n)
Question: The stage at which chromosomes aggregate along the equator of a cell is
Answer Choices:
telophase
anaphase
prophase
metaphase
interphase
Answer: metaphase
Question: Why is precise spelling important in anatomy?
Answer Choices:
There are many similar terms in anatomy that refer to different structures
There are many different ways to spell certain terms
It is easier to remember acronyms when spelled correctly
It is important to practice language skills
Eponyms are difficult to memorize
Answer: There are many similar terms in anatomy that refer to different structures
Question: Most cells of the body are ___ and are therefore ___
Answer Choices:
germ cells; haploid
somatic cells; diploid (2n)
germ cells; diploid
somatic cells; haploid
stem cells; haploid
Answer: somatic cells; diploid (2n)
Question: The lexicon of standard international anatomical terms is ___
Answer Choices:
called Terminologia Anatomica (TA)
formed from thousands of French word roots
called Nomina Anatomica (NA)
formed from thousands of Italian word roots
formed from thousands of English word roots
Answer: called Terminologia Anatomica (TA)
Question: DNA is a polymer of ___ which consist of a sugar, a phosphate group, and a ___
Answer Choices:
amino acids; nucleotide
proteins; nucleotide
nucleic acids; nucleotide
nucleotides; nitrogenous base
nucleotides; nucleic acid
Answer: nucleotides; nitrogenous base
Question: The human genome consists of approximately ___ pairs of nucleotides
Answer Choices:
3 billion
300,000
3 million
3000
Answer: 3 billion
Question: What is all of the DNA in a set of 23 chromosomes referred to as?
Answer Choices:
The karyotype
The phenotype
A centromere
A chromatid
The genome
Answer: The genome
Question: Copying genetic information from DNA into RNA is called ___ and using the information in mRNA to make a polypeptide is called ___
Answer Choices:
DNA replication; translation
translation; transcription
transcription; translation
DNA duplication; transcription
DNA translation; RNA transcription
Answer: transcription; translation
Question: Chromatin shortens and thickens, coiling into compact rods during ___ of mitosis
Answer Choices:
anaphase
metaphase
interphase
prophase
telophase
Answer: prophase
Question: If one allele is not phenotypically expressed in the presence of another, it is called a ___ allele
Answer Choices:
suppressed
dominant
homozygous
heterozygous
recessive
Answer: recessive
Question: The longest phase of the cell cycle is
Answer Choices:
mitosis
interphase
cytokinesis
metaphase
anaphase
Answer: interphase