Asked by George Gathogo Solomon on Jun 22, 2024
Verified
telomerase
A) process in which malignant cells spread from one part of the body to another
B) gene that helps transform a normal cell into a tumor cell
C) enzyme that lengthens telomeres
D) accumulation of abnormally dividing cells
E) disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues
F) tumors form when these gene products are missing
G) noncoding DNA sequence at the end of chromosomes that protects coding sequences from degradation
H) gene that, by mutation, can become an oncogene
Telomerase
An enzyme that adds nucleotide sequences to the ends of chromosomes, thereby preventing their shortening during cell division.
Malignant Cells
Abnormal cells that divide uncontrollably and have the potential to invade other tissues, leading to cancer.
Neoplasm
An abnormal growth of tissue, which can be benign or malignant, resulting from uncontrolled cell division.
- Distinguish between oncogenes involved in cell proliferation and genes that inhibit tumor formation within the scope of cancer development.
- Explain the connection between telomeres and the aging process.
Verified Answer
Answer: B
Oncogenes are genes that, by mutation, can become genes that help transform a normal cell into a tumor cell.
Answer: A
Metastasis is the process in which malignant cells spread from one part of the body to another, leading to the accumulation of abnormally dividing cells and the formation of tumors.
Answer: E
Cancer is a disease that occurs when a malignant neoplasm physically and metabolically disrupts body tissues.
Answer: F
Tumors form when the products of tumor suppressor genes are missing, as these gene products help regulate cell division and prevent the accumulation of abnormally dividing cells.
Answer: G
Telomeres are the noncoding DNA sequences at the end of chromosomes that protect coding sequences from degradation.
Learning Objectives
- Distinguish between oncogenes involved in cell proliferation and genes that inhibit tumor formation within the scope of cancer development.
- Explain the connection between telomeres and the aging process.
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