5 Written questions
5 Matching questions
- Which drug is hardest to quit after one use?
- What is the difference between an intron and an exon?
- How can drugs enter the body?
- What are purines and pyrimidines?
- What are homologous chromosomes?
- a Chromosomes that are similar in shape, size and kind of chromosomes they carry.
- b Introns are non-coding segments of mRNA which are cut out of the mRNA after transcription
Exons are coding segments of mRNA which are spliced together after the introns have been removed.
- c Tobacco
- d Implantation, Injection, Inhalation
- e Purines are bases of DNA (Adenine and Guanine)
-composed of 2 rings of carbon and nitrogen per base
Pyrimidines are bases of DNA (Thymine and Cytosine)
-composed of one ring of carbon and nitrogen atoms per base
5 Multiple choice questions
- They regulatory proteins and activate or repress transcription of specific genes
5 True/False questions
Why did Mendel use garden peas? → Mutation in the cell cycle
How does the number of chromosomes in a human gamete vs. a human somatic cell? → Human gamete: 23 chromosomes (one sex chromosome and 22 autosomes)
Human somatic cells: 46 chromosomes (two sex cells and 44 autosomes)
Somatic cells are twice as big as gametes.
How many chromosomes does someone with Down Syndrome have? → 47 chromosomes
Down's is caused by trisomy 21
Caused by non disjunction of chromosomes during meiosis
What is punctuated equilibrium? → The idea that species do not always evolve gradually but actually pretty quickly as their is a sudden dramatic change in environmental pressures causing an increase in many new species to evolve
What are the base pairing rules in DNA? RNA? → In DNA: Adenine with Thymine, Guanine with Cytosine
In RNA: Adenine with Uracil, Guanine with Cytosine