BIO 235 (Kovacs) Exam 1 2024/2025
Exam All Answers and Illustrations
Given
how many chromosomes do most prokaryotes have? - 🧠ANSWER ✔✔one
how many copies of their chromosome(s) do prokaryotes have? -
🧠ANSWER ✔✔one
what organisms undergo binary fission? - 🧠ANSWER ✔✔bacterial cells
why do bacterial chromosomes get replicated before the cell divides? -
🧠ANSWER ✔✔so each daughter cell receives one copy
do eukaryotic or prokaryotic cells require more genetic information? -
🧠ANSWER ✔✔eukaryotic
what is required in order to pass complements of chromosomes to the next
generation? - 🧠ANSWER ✔✔a sorting mechanism
structures within living cells that contain the genetic material - 🧠ANSWER
✔✔chromosome
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STATEMENT. ALL RIGHTS RESERVED
,what is the genetic material in chromosomes? - 🧠ANSWER ✔✔DNA
what provides an organized structure in chromosomes? - 🧠ANSWER
✔✔proteins
what is the DNA-protein complex called in eukaryotes? - 🧠ANSWER
✔✔chromatin
what is the DNA-protein complex called in prokaryotes? - 🧠ANSWER
✔✔nucleoid
the constricted region joining the two sister chromatids that make up an X-
shaped chromosome and the site where kinetochore is formed -
🧠ANSWER ✔✔centromere
a region of repetitive nucleotide sequences at each end of a chromosome,
which protects the end of the chromosome from deterioration or from fusion
with neighboring chromosomes - 🧠ANSWER ✔✔telomere
a particular sequence in a genome at which replication is initiated -
🧠ANSWER ✔✔origins of replication
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STATEMENT. ALL RIGHTS RESERVED
, a protein structure that forms on a chromatid during cell division and allows
it to attach to a spindle fiber on a chromosome - 🧠ANSWER
✔✔kinetochore
members of a pair of chromosomes - 🧠ANSWER ✔✔homologs
two homologs form what? - 🧠ANSWER ✔✔homologous pair
what are the similarities between two chromosomes in a homologous pair?
- 🧠ANSWER ✔✔they are nearly identical in size, have the same banding
pattern and centromere location, and they have the same genes but not
necessarily the same alleles
how many sets of chromosomes do diploid cells have? - 🧠ANSWER
✔✔two
how many sets of chromosomes do haploid cells have? - 🧠ANSWER
✔✔one
an organized representation of the metaphase chromosomes within a
diploid eukaryotic cell - 🧠ANSWER ✔✔karyotype
chromosomes that come in pairs (homologs) are called what? - 🧠ANSWER
✔✔autosomes
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
Exam All Answers and Illustrations
Given
how many chromosomes do most prokaryotes have? - 🧠ANSWER ✔✔one
how many copies of their chromosome(s) do prokaryotes have? -
🧠ANSWER ✔✔one
what organisms undergo binary fission? - 🧠ANSWER ✔✔bacterial cells
why do bacterial chromosomes get replicated before the cell divides? -
🧠ANSWER ✔✔so each daughter cell receives one copy
do eukaryotic or prokaryotic cells require more genetic information? -
🧠ANSWER ✔✔eukaryotic
what is required in order to pass complements of chromosomes to the next
generation? - 🧠ANSWER ✔✔a sorting mechanism
structures within living cells that contain the genetic material - 🧠ANSWER
✔✔chromosome
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,what is the genetic material in chromosomes? - 🧠ANSWER ✔✔DNA
what provides an organized structure in chromosomes? - 🧠ANSWER
✔✔proteins
what is the DNA-protein complex called in eukaryotes? - 🧠ANSWER
✔✔chromatin
what is the DNA-protein complex called in prokaryotes? - 🧠ANSWER
✔✔nucleoid
the constricted region joining the two sister chromatids that make up an X-
shaped chromosome and the site where kinetochore is formed -
🧠ANSWER ✔✔centromere
a region of repetitive nucleotide sequences at each end of a chromosome,
which protects the end of the chromosome from deterioration or from fusion
with neighboring chromosomes - 🧠ANSWER ✔✔telomere
a particular sequence in a genome at which replication is initiated -
🧠ANSWER ✔✔origins of replication
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, a protein structure that forms on a chromatid during cell division and allows
it to attach to a spindle fiber on a chromosome - 🧠ANSWER
✔✔kinetochore
members of a pair of chromosomes - 🧠ANSWER ✔✔homologs
two homologs form what? - 🧠ANSWER ✔✔homologous pair
what are the similarities between two chromosomes in a homologous pair?
- 🧠ANSWER ✔✔they are nearly identical in size, have the same banding
pattern and centromere location, and they have the same genes but not
necessarily the same alleles
how many sets of chromosomes do diploid cells have? - 🧠ANSWER
✔✔two
how many sets of chromosomes do haploid cells have? - 🧠ANSWER
✔✔one
an organized representation of the metaphase chromosomes within a
diploid eukaryotic cell - 🧠ANSWER ✔✔karyotype
chromosomes that come in pairs (homologs) are called what? - 🧠ANSWER
✔✔autosomes
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED