Which of the following are ways that two cells with the same DNA might turn into different types of cells? Select all correct answers Cells can change their DNA over time Cells could inherit different proteins that affect how the cell develops Cells could inherit different proteins that affect how DNA is transcribed Cells can undergo apoptosis

Which of the following are ways that two cells with the same DNA might turn into different types of cells? Select all correct answers Cells can change their DNA over time Cells could inherit different proteins that affect how the cell develops Cells could inherit different proteins that affect how DNA is transcribed Cells can undergo apoptosis

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 21QP: Which of the following statements is not true about DNA replication? a. It occurs during the M phase...

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Which of the following is not a characteristic of cancer cells? an increase in density dependent inhibition an increase in telomere length a decrease in DNA repair a decrease in cell adhesion molecules an increase in chromosome abnormalities
Which of the following scenarios accurately describes the actions occurring during the S phase? Group of answer choices The chromosome number is halved in preparation for cell division. The cell enlarges, proteins are increased and organelles are duplicated. Cell reaches maximum size and adds more proteins. Each chromosome is duplicated; each chromosome results in two sister chromatids attached at a centromere.
Pick the two main reasons cells might undergo apoptosis 'A cell is stopped at a checkpoint, but the problems/defects cannot be fixed 'A cell needs to differentiate into a different type of cell The cell died 'Some of a cell’s proteins became glycosylated 'Some of a cell’s proteins developed disulfide bonds 'Cells that are not needed in the adult body must be removed
What processes occur during S phase? Choose all which apply. Cells do their normal work Cells assess DNA replication Cells duplicate their DNA Cells synthesize proteins necessary for division Cells divide their DNA into two nuclei
Tumor suppressor genes _____. a. occur normally in cells b. promote metastasis c. are brought into cells by viruses d. only rarely affect the development of cancer
Which of the following statements is not true about DNA replication? a. It occurs during the M phase of the cell cycle. b. It makes a sister chromatid. c. It denatures DNA strands. d. It occurs semiconservatively. e. It follows base-pairing rules.
Which of the following statements best describes the process of phase separation in cells? Proteins can assemble as liquid droplets that are not bounded by a membrane in either the cytoplasm or nucleus A protein can separate into different organelles dependent on the phase of the cell cycle Proteins that are assembled in one phase of the cell cycle and degraded in the next are said to undergo phase separation Signal sequences can target proteins assembled in the cytoplasm into the lumen of the endoplasmic reticulum
which cell structure would play a role in cell migration? phospholipid bilayer peripheral protein serving as an enzyme intercellular joining between two body cells integral protein serving as a carrier
A researcher is studying the effects of a novel cancer drug on cell division and comparing the new drug to a traditional chemotherapy drug. The traditional drug causes numerous side effects such as nausea, vomiting, hair loss and susceptibility to infections due to low white blood cell counts. The novel drug is a targeted therapy (specifically targets the abnormal protein in the cancer cell) and is likely to reduce side effects that patients experience when treated with traditional chemotherapy. One group of cancer patients was treated with the novel drug and a second group of cancer patients was treated with the traditional chemotherapy drug. Prior and subsequent to treatment, a mitotic index was obtained from a tumor sample from each patient as well as a bone marrow sample (bone marrow cells give rise to all blood cell types including red blood cells and white blood cells). Since this is a double-blind study (neither the patient nor the researcher knows which patients received which…
Let us have an example , imagine that the cell is a car . For the car to work properly there are factors that need to be consider like the gas pedal and a brake pedal . If the gas pedal works normally it helps the cell to divide . But when the gas pedal gets stuck , it can cause uncontrolled cell division leads to cancer formation .How about if the brake pedal gets stuck , and the car cannot slow down , accident happens and causes cell death. QUESTION Gas pedal that works normally and helps the cell to divide can be compare to what kind of gene ? Is it oncogene , proto - oncogene or tumor suppressor gene ? Explain your answer. Gas pedal that gets stuck and causes uncontrolled cell division leads to cancer is what kind of gene? Is it I oncogene, proto-oncogene or tumor suppressor gene? Explain your answer. Brake pedal that gets stuck causes car accident and even death can be compare to what kind of gene ?Is it oncogene, proto- oncogene or tumor suppressor gene? Explain your answer.
Draw and label a picture of what a cell looks like during prophase. Draw and label a picture of what a cell looks like during metaphase. Draw and label a picture of what a cell looks like during anaphase. Draw and label a picture of what a cell looks like during telophase. Draw a picture of what a cell looks like during cytokinesis. Draw and label a picture of prophase I & II. Draw and label a picture of metaphase I & II.
A protein called p53 is another protein involved in controlling cell division. The protein p53 makes sure that if cells aren't functioning correctly, they don't divide anymore. Some people have damage to their p53 DNA and the protein isn't made correctly anymore. What might be a consequence if a person couldn't make the protein p53? A - Their cells would no longer use oxygen to make energy B - Their cells would no longer divide C - Their cells would make too much carbon dioxide D - Their cells could divide out of control