Already Passed Answers 2025-2026
Updated.
Which of the following molecules is involved directly in the process of transcription? - Answer
RNA polymerase
A chromosome is made up of: - Answer Chromatin fibers
Fibers composed of equal amounts of DNA and protein molecules
The region labeled A is which of the following components of a DNA nucleotide: (3 sections, the
middle one) - Answer Deoxyribose sugar (the backbone of DNA)
Which of the following occurs during mitosis but NOT meiosis: - Answer The cell only divides
once, A parent cell produces genetically identical daughter cells
Where in the human body would you be likely to find cells undergoing meiosis? - Answer
Ovaries and testes
S-Phase - Answer S(synthesis) phase:
replicated DNA/chromosomes for the daughter cells
G1 Phase - Answer Cell grows, gets everything it needs to get big enough to divide
Cytokinesis - Answer Cytoplasm separates and divides , formation of the daughter cells
In the cell cycle, DNA is replicated during: - Answer S phase
Which of the following can cause cancer to develop and progress? - Answer An oncogene
and mutated tumor suppressor gene
The DNA molecules in your eye cells contain information about what? - Answer Hair color
and eye color
The DNA in every single cell is the same, same recipes and sequences
, A human skin cell is ______ and contains _____ chromosomes. - Answer diploid, 46
What makes an individual DNA nucleotide? - Answer Phosphate group, sugar (deoxyribose),
nitrogenous base
Oncogoene: - Answer drives cell to keep dividing (too much gas)
Proto-oncogene: - Answer Signals cells to grow
Proto = pre
Tumor suppressor gene: - Answer Stops cells from growing
Every cell has 2 copies each
Mutated tumor suppressor gene: - Answer Inactivates tumor suppressors job
No brake
Where is DNA stored in a eukaryotic cell and how it is packaged? - Answer Stored in the
nucleus, well defined one.
What is the Central Dogma? - Answer Describes the flow of genetic information in living
things, connection between genotype and phenotype
Translation and transcription too
How do the cells of a living organism have the same set of DNA but also have a variety of
specialized functions? - Answer
Relationship between phenotype and genotype: - Answer Phenotype is an organisms specific
physical traits coded by genotype; Genotype is an organisms sequence of nucleotide in DNA.
Genotype codes for phenotype.
Describe the process of transcription: - Answer Happens in the nucleus
Facilitated by RNA polymerase
Flow of information from DNA to mRNA
Role of DNA: - Answer Transcription: Unzips at gene of interest