WorksheetsSOL Review #3 (2024)
Total questions: 10
Worksheet time: 6mins
CRISPR/Cas9 is a powerful system that bacteria use to cut and remove DNA from invading viruses. Using CRISPR/Cas9, researchers have successfully corrected a disease-causing mutation for muscular dystrophy in laboratory mice. Correcting the harmful mutation using CRISPR/Cas9 is an example of
biological evolution
cloning techniques
genetic engineering
selective breeding
Tasmanian devils are predators found on the Tasman Peninsula of Australia. Their numbers were greatly reduced after two forms of contagious cancer appeared in the population. Scientists have found an effective cancer vaccine that has saved a number of adult Tasmanian devils. The beneficial effect of the vaccine will not be passed on to the Tasmanian devils’ offspring because the
vaccine contained only a small amount of the cancer
cancer can mutate, and the vaccine would then be ineffective
cancer caused the body of the adults to produce antigens against it
vaccine did not produce a change in the sex cells of the adults
Usually, snakes reproduce sexually. However, some female copperhead snakes sometimes produce offspring asexually without sperm from a male. Compared with snakes formed by sexual reproduction, the offspring of these asexually reproducing snakes
have more genetic variation
have limited genetic variation
contain more DNA than the parent
grow larger than the parent
The removal of a short sequence of bases from a gene would most directly affect the
diffusion of materials into a cell
shape of a protein molecule
pH of the cytoplasm
size of a cell’s nucleus
A certain species of rough-skinned newt produces an extremely powerful toxin that helps prevent attacks by predators. However, one predator, the garter snake, can eat these newts without being affected by the toxin. Which statement best explains the resistance of garter snakes to the newt toxin?
The snakes needed to become resistant to the toxin in order to survive, so they developed a toxin-resistance gene
As the newts became more toxic, the snakes became increasingly resistant in order to survive
Exposure to newt toxin caused a mutation in the snakes, which increased resistance to the toxin in the snakes
A random genetic mutation that resulted in toxin resistance increased the survival rates of the snakes that had it, and they passed it on to their offspring.
Photosynthesis and cellular respiration both involve the gases carbon dioxide and oxygen. Which statement best identifies how these gases are involved in the two processes?
Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.
Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
Photosynthesis and cellular respiration both use oxygen and release carbon dioxide
What is the significance of the Human Genome Project in biotechnology?
It was the first project to create a GMO.
It led to the development of PCR.
It provided the first complete map of a human's genetic material.
It introduced CRISPR technology.
Jean-Baptiste Lamarck was a French naturalist who proposed the idea that modern-day organisms developed new characteristics through a process known as the inheritance of acquired traits. As more evidence became available, this theory was eventually replaced by Charles Darwin’s theory of evolution. This modification of scientific knowledge illustrates that
scientists do not communicate with each other and often make mistakes
all scientific explanations are tentative and subject to change or improvement
scientists often ignore evidence that does not help prove their theory
hypotheses seldom change even when new discoveries are made
The diagram provides information about some of the digestive enzymes produced by the human pancreas. The activity of nuclease enzymes would most likely result in the release of
four different kinds of nucleotides
a variety of different amino acids
glucose
hormones
The diagram provides information about some of the digestive enzymes produced by the human pancreas. The end products resulting from the action of amylase would most likely be
starches and proteins
carbon dioxide and water
amino acids
monosaccharides
