The Cell Cycle - Campbell Biology | Biology+

Course

General Biology

Study Pack

Set 1: Introduction: Evolution and Themes of Biology

Set 2: The Chemical Context of Life

Set 3: Water and Life

Set 4: Carbon and the Molecular Diversity of Life

Set 5: The Structure and Function of Large Biological Molecules

Set 6: A Tour of the Cell

Set 7: Membrane Structure and Function

Set 8: An Introduction to Metabolism

Set 9: Cellular Respiration and Fermentation

Set 10: Photosynthesis

Set 11: Cell Communication

Set 12: The Cell Cycle

Set 13: Meiosis and Sexual Life Cycles

Set 14: Mendel and the Gene Idea

Set 15: The Chromosomal Basis of Inheritance

Set 16: The Molecular Basis of Inheritance

Set 17: From Gene to Protein

Set 18: Regulation of Gene Expression

Set 19: Viruses

Set 20: DNA Tools and Biotechnology

Set 21: Genomes and Their Evolution

Set 22: Descent with Modification: A Darwinian View of Life

Set 23: The Evolution of Populations

Set 24: The Origin of Species

Set 25: The History of Life on Earth

Set 26: Phylogeny and the Tree of Life

Set 27: Bacteria and Archaea

Set 28: Protists

Set 29: Plant Diversity I: How Plants Colonized Land

Set 30: Plant Diversity II: The Evolution of Seed Plants

Set 32: An Overview of Animal Diversity

Set 33: An Introduction to Invertebrates

Set 34: The Origin and Evolution of Vertebrates

Set 35: Plant Structure,Growth,and Development

Set 36: Resource Acquisition and Transport in Vascular Plants

Set 37: Soil and Plant Nutrition

Set 38: Angiosperm Reproduction and Biotechnology

Set 39: Plant Responses to Internal and External Signals

Set 40: Basic Principles of Animal Form and Function

Set 41: Animal Nutrition

Set 42: Circulation and Gas Exchange

Set 43: The Immune System

Set 44: Osmoregulation and Excretion

Set 45: Hormones and the Endocrine System

Set 46: Animal Reproduction

Set 47: Animal Development

Set 48: Neurons,Synapses,and Signalling

Set 49: Nervous Systems

Set 50: Sensory and Motor Mechanisms

Set 51: Animal Behaviour

Set 52: An Introduction to Ecology and the Biosphere

Set 53: Population Ecology

Set 54: Community Ecology

Set 55: Ecosystems and Restoration Ecology

Set 56: Conservation Biology and Global Change

Set 12 The Cell Cycle

✕

Set 12 The Cell Cycle

(Multiple Choice)

Free

A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus.How many picograms would be found at the end of S and the end of G₂?

A)8; 8
B)8; 16
C)16; 8
D)16; 16
E)12; 16

Answer

(Multiple Choice)

Free

The centromere is a region in which

A)chromatids remain attached to one another until anaphase.
B)metaphase chromosomes become aligned at the metaphase plate.
C)chromosomes are grouped during telophase.
D)the nucleus is located prior to mitosis.
E)new spindle microtubules form at either end.

Answer

(Multiple Choice)

Free

Which of the following best describes how chromosomes move toward the poles of the spindle during mitosis?

A)The chromosomes are "reeled in" by the contraction of spindle microtubules.
B)Motor proteins of the kinetochores move the chromosomes along the spindle microtubules.
C)Nonkinetochore spindle fibres serve to push chromosomes in the direction of the poles.
D)The chromosomes are "reeled in" by the contraction of spindle microtubules, and motor proteins of the kinetochores move the chromosomes along the spindle microtubules.
E)The chromosomes are "reeled in" by the contraction of spindle microtubules, motor proteins of the kinetochores move the chromosomes along the spindle microtubules, and nonkinetochore spindle fibres serve to push chromosomes in the direction of the poles.

Answer