Science 7 Test: DNA PDF 12/19/24

1 Science 7 Test: DNA Test date: Thursday 12/19/24 Test format: 22 multiple choice & 2 short response Directions: Use your Tracking Sheet DNA to help fill in the answers and study for the test. Be able to apply the vocabulary words to answer the test questions. Define the follo...

1 Science 7 Test: DNA Test date: Thursday 12/19/24 Test format: 22 multiple choice & 2 short response Directions: Use your Tracking Sheet DNA to help fill in the answers and study for the test. Be able to apply the vocabulary words to answer the test questions. Define the following words: DNA: structure that carries hereditary factors in genes on chromosomes Nucleus: contains the chromosomes Gene: a small section on a chromosome Chromosome: structure that holds genes Trait: characteristic passed on through generations Provide an example of a trait: brown hair, blue eyes, curly hair, dimples Protein: determine an organism’s traits; they are needed to build muscles and organs; they are needed for growth, repair and cell replacement * Genes code for proteins that make traits* Mutation: change in the DNA code; can be beneficial, harmful or have no effect  2 DNA: the molecule below has a sequence of AGTCATGA. Complete the table by filling its corresponding base pair with: A for adenine, T for thymine, C for cytosine or G for guanine, Base Corresponding Base Corresponding base pair base pair A T A T G C T A T A G C C G A T The diagram below shows the cell and its genetic material. Complete the chart by labeling the 7 items using the vocabulary: cell, chromosome, DNA, gene, nucleus, protein, trait, Number Identification 1 cell 2 nucleus 3 chromosome 4 gene 5 DNA 6 protein 7 trait  3 Use the diagram below to describe how these four terms- cell, nucleus, chromosome, and DNA are related. The cell contains the nucleus, which is the control center of the cell. The chromosomes are coiled up with DNA and they are located in the nucleus. Use the diagram below to describe how these four terms- DNA, gene, protein, and trait, are related. DNA structures carry the hereditary factors in the genes. The genes tell the cells how to make proteins. The proteins make the traits. 4