Bio 12.1 and 2 Quiz

In a futuristic laboratory, scientists are engineering advanced genetic codes. The structure of DNA, essential for these innovations, is described as a ___ formed by two strands of nucleotides.

• double helix

• single spiral

• polymerase chain

• protein molecule

In a futuristic DNA sequencing lab, scientists are engineering synthetic life forms. Which of these is NOT one of the nitrogenous bases found in the DNA nucleotides of these advanced organisms?

• adenine

• uracil

• guanine

• thymine

In a futuristic laboratory, scientists use advanced radioactive labeling techniques to determine the carrier of genetic information in synthetic life forms. What did their experiments reveal?

• Enzymes contain genetic material.

• DNA and proteins contain genetic material.

• Proteins contain genetic material.

• DNA contains genetic material.

In a future where scientists are exploring alien DNA to unlock secrets of extraterrestrial life, what advanced technique might they use to capture the first images of an alien DNA structure?

• X-ray diffraction

• radioactive labeling

• DNA tracking

• chromosomal photography

In a futuristic DNA repair lab, scientists use advanced enzymes to catalyze the addition of nucleotides to damaged DNA strands. Which enzyme is responsible for this process?

• uracil

• adenine

• DNA polymerase

• segmental ligase

In a futuristic DNA repair laboratory, scientists use advanced nanobots to synthesize small segments on the lagging strand of DNA during replication. What are these segments called?

• ligases

• adenines

• Okazaki fragments

• helixes

In a futuristic DNA repair lab, advanced nanobots are deployed to unwind the double helix for genetic editing. What type of bonds do these nanobots break during the unwinding stage?

• hydrogen in bases

• hydrogen in polymerase

• sulfur in ligase

• carbon

In the year 2124, scientists are engineering synthetic cells for interplanetary travel. They notice a key difference in the way DNA is replicated in prokaryotic and eukaryotic cells, as shown in the diagram. What futuristic replication strategy should they use for their eukaryotic-inspired synthetic cells?

• Prokaryotes do not replicate their DNA.

• Prokaryotic replication occurs at multiple origins.

• Eukaryotic replication occurs in only one direction.

• Eukaryotic replication occurs at multiple origins.

In the year 2125, scientists have developed advanced DNA synthesizers for human colonists on Mars. These machines replicate DNA so that each new generation of colonists receives one original strand and one newly synthesized strand. What genetic process is being used by these futuristic DNA synthesizers?

• RNA replication

• semiconservative replication

• parent strand mutation

• meiosis

Tags

NGSS.HS-LS3-2

In the year 2124, scientists on Mars Colony Alpha are credited with discovering the double helix structure of Martian DNA, revolutionizing genetic engineering for interplanetary life. Who were these pioneering scientists?

• James Watson and Francis Crick

• Erwin Chargaff

• Gregor Mendel

• Rosalind Franklin

Tags

NGSS.HS-LS1-1