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WorksheetsBiology_Reporting Category 1_Pre-test
Total questions: 9
Worksheet time: 5mins
[4A] One difference between prokaryotic and eukaryotic cells is that only eukaryotic cells contain-
organelles
cytoplasm
ribosomes
chromosomes
[4B] The diagram above summarizes the process of cellular respiration. According to the diagram, cellular respiration is a process that-
happens entirely within cell organelles called mitochondria
converts the chemical energy in glucose into energy carried by ATP
uses the energy carried by ATP to make citric acid
provides the thermal energy mitochondria need to power cell processes
[4C] Which statement describes both viruses and living things?
both consist of cells
both synthesize proteins
both undergo binary fisson
both contain nucleic acids
[5A] The cell cycle, the series of events in the life cycle of a cell, has distinct phases. Which of these events happens in a cell during the S phase of the cell cycle?
the formation of two DNA molecules that are identical
the formation of two new sets of chromosomes that are different frm each other
the division of the parent DNA molecules into smaller daughter molecules of RNA
The division of all mitochondria into twice the original number of the organelles
[5B] Cell differentiation is critical during embryonic development. The process of cell differentiation results in the production of many types of cells, including germ, somatic, and stem cells. Cell differentiation is most directly regulated by-
ATP
DNA
lipids
sugars
[5C] Oncogenes are mutated forms of genes. Oncogenes can transform a cell into a tumor cell. Some tumor cells are benign, while others are malignant. How does the presence of an oncogene lead to the formation of a tumor?
ATP production is inhibited (stopped)
Cell division is unregulated (not controlled)
somatic cell growth is inhibited
Antibody activity is unregulated
[4B] Cells can generate as many as 36 to 38 molecules of ATP from the metabolism of one molecule of glucose. Which cellular process results in this amount of ATP production?
Anaerobic cellular respiration
Protein synthesis
Aerobic cellular respiration
Photosynthesis
[4C] Viruses can be transmitted through the air, water, food, insect bites, and direct skin contact. Once a virus gains entry to the body, it invades a host cell in order to-
deactivate the host cell's defenses
synthesize antibodies for defense
metabolize host proteins to grow
access cellular processes for replication
[5A] Scientist can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. This bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is-
conjugation
meiosis
budding
mitosis
