Biology Final 2

4B. selectively permeable boundary of a cell

• chloroplast

• nucleus

• cytoplasm

• membrane

5A: Put the following in order: G2, G1, S, mitosis, cytokinesis.

• G1, G2, S, Mitosis, cytokinesis

• G1, S, G2, Mitosis, cytokinesis

• G1, G2, S, cytokinesis, mitosis

• G1, S, G2, cytokinesis, mitosis

5B: What process best explains how muscle cells and nerve cells can develop from the same fertilized egg?

• genetic engineering

• survival of the fittest

• differentiation

• selective breeding

6A: Information for a protein is carried in the DNA as a sequence of _______________________

• double helix

• ratio of adenines to thymines

• pattern of phosphates and sugars

• sequence of nucleotides

6C: The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?

• 4

• 8

• 12

• 20

6D: Why do bone cells become bone cells, heart cells become heart cells, skin cells become skin cells, etc...?

• It just happens randomly

• Determined by the mother while in the womb

• The turning on/off of certain genes that are needed for that type of cell

• The zygote tells them what to become

6E: DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution

• Deletion

• Insertion

• Inversion

6F: A man with type O blood has children with a woman who is heterozygous for type A blood. What is the probability that their children will have type A blood?

• 0%

• 25%

• 50%

• 100%

6G: What is it called when sperm and egg fuse?

• fertilization

• pregnancy

• implantation

• ovulation

9A: Waxes, oils and fats are examples of

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids