1. Which of the following hasโDNAโ molecules.
A. Negative Charge
B. Positive charge
C. Neutral
D. All of the above
E. None of the above
2. Which of the following DNA requires?
A. Sunlight
B. Protein synthase
C. Meiotic division
D. Many enzymes
E. None of the above
3. What are โPurineโ and โpyrimidineโ?
A. Nitrogen
B. Nucleotides
C. Nitrogenous bases
D. Nucleoside
E. None of the above
4. Which is an example of a genetic disorder sickle-cell anaemia?
A. Pleiotropy
B. Epistasis
C. Heterozygous dominance
D. Homozygous dominance
E. None of the above
5. Which is the sequence of three โnucleotidesโ?
A. Message
B. Code
C. Codon
D. Amino acid
E. None of the above
6. Which of the following genotypes causes Klinefelter syndrome?
A. XO
B. XXY
C. XX
D. XYY
E. None of the above
7. DNAโ abbrivation is ______.
A. Ribonucleic acid
B. Deoxyribonucleic acid
C. Nucleic acid
D. Proteins
E. None of the above
8. When you notice that someone has unusually blue eyes, youโve noticed there.
A. Phenotype
B. Genotype
C. Allele
D. Hybridization
E. None of the above
9. What is โAUGโ?
A. Stop codon
B. Start Codon
C. Intermediate
D. Valine
E. None of the above
10. The synthesis of RNA from DNA is called.
A. Translation
B. Duplication
C. Replication
D. Transcription
E. None of the above
11. The synthesis of proteins at โribosomesโ is called as.
A. Transcription
B. Duplication
C. Translation
D. Replication
E. None of the above
12. Which code is use for โUUGโ.
A. Methionine
B. Leucine
C. Serine
D. Valine
E. None of the above