BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 11, Problem 12SA
Summary Introduction
Introduction:
Ever organisms present in the environment contains cell. The cell is the basic “fundamental unit” of life. The cell contains three major regions. These are “plasma membrane, cytoplasm, and nucleus.” The nucleus contains the genetic material. The genetic material contains small structures called genes. These genes are very important as they carry hereditary information from parent to offspring.
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Match the gene on the left with the gene category on the right.
ERBB2
E-cadherin
BRCA1
Cdk4
A.
oncogene
B.
proto-oncogene
C.
low expression in invasive cells
D.
tumor suppressor gene
Sometimes, malignant cells do not stay properly anchored in tissues because of the loss of function of:
a.
cell walls
b.
oncogenes
c.
plasma membrane adhesion proteins
d.
nuclear membranes
e.
tumor suppressor genes
Cancer causing genes are called ________. a. transformation genes b. tumor suppressor genes c. oncogenes d. mutated genes
Chapter 11 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 11 - Prob. 1SACh. 11 - A duplicated chromosome has ______ chromatids. a....Ch. 11 - Prob. 3SACh. 11 - Most cells spend the majority of their lives in...Ch. 11 - Prob. 5SACh. 11 - Prob. 6SACh. 11 - In intervals of interphase, G stands for ________...Ch. 11 - Prob. 8SACh. 11 - Prob. 9SACh. 11 - Prob. 10SA
Ch. 11 - Cytoplasm of a plant cell divides by the process...Ch. 11 - Prob. 12SACh. 11 - ________ are characteristic of cancer. a....Ch. 11 - Match each term with its best description. ___...Ch. 11 - Match each stage with the events listed. ___...Ch. 11 - When a cell reproduces by mitosis and cytoplasmic...Ch. 11 - How is the human life cycle related to the cell...Ch. 11 - The eukaryotic cell in the photo on the left is in...Ch. 11 - Exposures to radioisotopes or other sources of...Ch. 11 - Suppose you have a way to measure the amount of...
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- An individual can inherit a gene in which expression has been altered by an ________ change with no mutation of the gene sequence. Choose the description in column 2 that best matches each gene in column 1. p53 c-myc A. tumor suppressor gene B. oncogenearrow_forwardWhich of the following is not a tumor suppressor gene? a.RET b.RB c.BRCA1 d.BRCA2arrow_forwardWhich of the following is typical of cancer cells? A. The parent cell of the tumor contains a single mutation in a single checkpoint gene. B. Malignant cells migrate. C. Cancer cells lose the ability to divide. D. Products of oncogenes inhibit mitosis E. Benign tumors invade normal tissue.arrow_forward
- Most forms of cancer involvea. the activation of a single oncogene.b. the inactivation of a single tumor-suppressor gene.c. the activation of multiple oncogenes.d. the activation of multiple oncogenes and the inactivation ofmultiple tumor-suppressor genes.arrow_forwardHypermethylation is thought to contribute to cancer by a. inhibiting DNA replication. b. inhibiting the expression of tumor-suppressor genes. c. stimulating the translation of oncogenes. d. stimulating telomerase.arrow_forwardAnswerarrow_forward
- Mutations in the ras gene family induce normal cells to proceed into the replication cycle. This converts the ras gene from a ________ gene to a ________ gene. a. proto-oncogene; oncogene b. oncogene; proto-oncogene c. mutant; oncogene d. tumor suppressor; proto-oncogenearrow_forwardA tumor suppressor gene ___regulates the cell cycle; an example is _____. Select one: a. negatively, cyclin b. positively, retinoblastoma c. positively, p21 d. negatively, retinoblastoma e. positively, RASarrow_forwardA mutated gene that transforms a normal cell into a tumor cell is called a a. oncogene. b. neoplasm. c. carcinoma. d. checkpoint gene. e. proto-oncogene.arrow_forward
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