Which of the following does not contribute to genetic variation in sexually reproducing species? Oa. random fertilization O b. independent assortment Oc cytokinesis O d. none of the answers are correct none of the answers are correct O e. crossing over
Which of the following does not contribute to genetic variation in sexually reproducing species? Oa. random fertilization O b. independent assortment Oc cytokinesis O d. none of the answers are correct none of the answers are correct O e. crossing over
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Which of the following does not contribute to genetic variation in sexually reproducing species?
O a. random fertilization
O b. independent assortment
Oc cytokinesis
O d. none of the answers are correct
none of the answers are correct
O e. crossing over
All of the following correctly describe the sodium-potassium pump EXCEPT:
O a.
A total of five binding sites are present in the sodium-potassium pump
O b. Potassium ions are pumped into the cell, where they are present in lower concentration than the
extracellular fluid
O c. The transport proteins will undergo some conformational changes
O d. Molecules are pumped from low concentration to high concentration
O e. Energy is required for the process to take place
Transcribed Image Text:The overall three-dimensional shape of a polypeptide is called:
O a. Tertiary structure
O b. Alpha-Helix
O c. Primary structure
O d. Double helix
O e. Secondary structure
The centromere is a region in which
O a.
The new cell plate forms in telophase
O b. Microtubules are fastened to the centrioles during anaphase
The chromosomes are connected to the cell plate in metaphase
O d. Chromosomes become aligned during metaphase
Sister chromatids are attached to one another
O e.
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