Weekly Quiz10th grade

4 parts: Multiple choice Concepts Short answers Visualizing concepts

SAINT ANDREW´S SCHOOL ACADEMIC YEAR 2014 2d bimester

Biology Quick Quiz NAME:______________________________________

DATE:_____________________Grade: 10th A B C D TEACHER: Sofía Paz

1.- The work of several scientists helped to show that the hereditary material is:A)DNA. B) Ribosomes. C) Proteins.

D)Codons

2.-How many nucleotides (bases) are necessary to code for a polypeptide that is 100 amino acids long? A) 100 B) 66 C) 33 D)300

3.-Streches (parts) for noncoding nucleotides found in pre mRNA that interrupt coding sequences are called:

A)Exons B)Codons C)Introns D) Genes

1.- Multiple Choice: Choose the letter of the best answer

1.- Gene

2.- Chromosome

3.- Protein

4.- Mutation

2.- Concepts: write the concept of the following words:

1.- Identify 3 differences between the structures of DNA and RNA

2.-Describe the role of the messenger RNA

3.-List and Describe two types of mutations t hat can occur within a gene

3.- Short Answer: Write the most acquired answer for the following commands

Copy the table below that compares the structure and function of DNA and Mrna, and fill the missing information

Comparison of DNA and mRNADNA mRNA

Nitrogenous bases

A, T, G, C a.

Sugar b. c.

Structure d. Single-stranded polymer

Function e. f.

4.- Visualizing Concepts