PAPER QUESTIONS AND SOLUTIONS GRADED
A+
◉ Interphase. Answer: Cell growth and DNA replication phase
◉ Prophase. Answer: Chromosomes condense
◉ Metaphase. Answer: Chromosomes line up in center
◉ Anaphase. Answer: Chromosomes separate
◉ Telophase. Answer: New nuclei form
◉ Cytokinesis. Answer: Cytoplasm divides
◉ Stem Cell. Answer: Undifferentiated cell
◉ Differentiation. Answer: Process where cells specialize
◉ Cancer. Answer: Uncontrolled cell growth
,◉ Tumor. Answer: Mass of abnormal cells
◉ Benign Tumor. Answer: Non-cancerous growth
◉ Malignant Tumor. Answer: Cancerous growth
◉ Apoptosis. Answer: Programmed cell death
◉ DNA Replication. Answer: Copying of DNA
◉ Helicase. Answer: Enzyme that unzips DNA
◉ DNA Polymerase. Answer: Builds new DNA strand
◉ RNA Polymerase. Answer: Builds RNA strand
◉ Transcription. Answer: DNA to mRNA
◉ Translation. Answer: mRNA to protein
◉ Codon. Answer: Three-base sequence on mRNA
,◉ Anticodon. Answer: Three-base sequence on tRNA
◉ tRNA. Answer: Transfers amino acids
◉ mRNA. Answer: Messenger RNA
◉ Ribosome. Answer: Site of protein synthesis
◉ Protein Synthesis. Answer: Process of making proteins
◉ Frameshift Mutation. Answer: Mutation that shifts codons
◉ Point Mutation. Answer: Change in one nucleotide
◉ Silent Mutation. Answer: Mutation with no effect
◉ Missense Mutation. Answer: Mutation that changes amino acid
◉ Nonsense Mutation. Answer: Mutation that creates stop codon
◉ Autosome. Answer: Non-sex chromosome
, ◉ Sex Chromosome. Answer: X or Y chromosome
◉ Haploid. Answer: Having one set of chromosomes
◉ Diploid. Answer: Having two sets of chromosomes
◉ Fertilization. Answer: Sperm and egg joining
◉ Zygote. Answer: Fertilized egg
◉ Punnett Square. Answer: Tool to predict inheritance
◉ Homozygous. Answer: Having identical alleles
◉ Heterozygous. Answer: Having different alleles
◉ Incomplete Dominance. Answer: Blended trait expression
◉ Codominance. Answer: Both traits expressed
◉ Multiple Alleles. Answer: More than two allele options