BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 11, Problem 5SA
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 chromosomes. Chromosomes are “thread-like” in appearance. A chromosome has two units: DNA and proteins.
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The spindle apparatus is formed during the __________ phase of mitosis
A. Anaphase
B. Metaphase
C. Prophase
D. Telophase
the spindle attaches to chromosomes at the_______ . a. centriole c. centromere b. contractile ring d. centrosome
________________occur simultaneously.
a. G1 phase and G2 phase
b. Interphase and mitosis
c. Cytokinesis and telophase
d. Prophase and metaphase
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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- The period of the cell cycle when DNA replicates is _________________. a. G1 phase b. G2 phase c. S phase d. prophase.arrow_forwardThe three major parts of a cell are____________________ . a. the nucleus, the nucleolus, and the nuclear envelope b. the nucleus, cytoplasm, and the cell membrane c. a nerve cell, an epithelial cell, and a muscle cell d. endoplasmic reticulum, Golgi apparatus, and ribosomes.arrow_forwardInterphase is the part of the cell cycle when________ . a. a cell ceases to function b. a cell forms its spindle apparatus c. a cell grows and replicates its DNA d. mitosis proceedsarrow_forward
- At what stage in mitosis do the sister chromatids line up along the midline of the cell? a. Metaphase b. Anaphase c. Telophase d. Prophasearrow_forwardDuring cytokinesis, a contractile ring of actin microfilament forms the ______________ and pinches the cell apart. A. Kinetochores B. Cleavage furrow C. Equator D. Astersarrow_forwardDuring which phase of mitosis do the chromatids become chromosomes? A. Prophase B. Telophase C. Cytokinesis D. Metaphasearrow_forward
- ________ is the process of a cell taking in needed molecules from the extracellular fluid. a. Phagocytosis b. Receptor-mediated endocytosis c. Pinocytosisarrow_forwardWhich pathway supplies materials to lysosomes and is used to degrade obsolete parts of the cell? a. Phagocytosis b. Autophagy c. Apoptosis d. Necrosis e. Endocytosisarrow_forwardOur somatic cells’ DNA is distributed among 46 ________ in the nucleus. a. nucleosomes b. chromatids c. nucleoli d. chromosomearrow_forward
- In which two phases of mitosis would you find a nuclear membrane (or at least fragments of it)? Group of answer choices A. prophase & telophase B. prophase & anaphase C. telophase & anaphase D. prophase & metaphase E. metaphase & anaphasearrow_forwardIn which phase of mitosis do chromosomes begin to condense and appear visible under a light microscope? 5. A. G2 B. Prometaphase C. Telophase D. Prophasearrow_forwardRibosomes are often the target of antibiotics used to control bacterial infections. Despite also containing ribosomes, eukaryotic cells are unaffected by antibiotics because of _____________________ A. Eukaryotic cells' ability to avoid uptake of antibiotics B. Structural differences between eukaryotic and prokaryotic ribosomes C. The nuclear envelope that protects the ribosomes from antibiotics D. Functional differences between eukaryotic and prokaryotic ribosomesarrow_forward
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