________________________    Energy is required when particles are pumped across the membrane against the concentration gradient. ________________________  Large food particles are enveloped by the cell membrane during the process of exocytosis.    ________________________  DNA replication takes place during the S phase of the cell life cycle.   _______________________    A cell has 36 chromosomes at the beginning of interphase.  After completing mitosis, each daughter cell will have 18 chromosomes.   _______________________    Spindles attach to the centrioles of the chromosome at the beginning of mitosis.     _______________________    The nuclear division that occurs in body cells is called cytokinesis.

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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True or False.  If false, WRITE THE WORD that makes it correct.

 

  1. ________________________    Energy is required when particles are pumped across the membrane against the concentration gradient.
  1. ________________________  Large food particles are enveloped by the cell membrane during the process of exocytosis. 

 

  1. ________________________  DNA replication takes place during the S phase of the cell life cycle.

 

  1. _______________________    A cell has 36 chromosomes at the beginning of interphase.  After completing mitosis, each daughter cell will have 18 chromosomes.

 

  1. _______________________    Spindles attach to the centrioles of the chromosome at the beginning of mitosis.  

 

  1. _______________________    The nuclear division that occurs in body cells is called cytokinesis.

   

Two pieces of potato are placed in unknown solutions and left overnight.  The mass of the two pieces of potato are recorded on the next day.

 

POTATO OSMOSIS TABLE

 

Solution

Potato Mass BEFORE

(g)

Potato Mass AFTER

(g)

Change in Mass

(g)

% Change in Mass

A

60

74

___

___

B

54

58

___

___



  1. Complete the table. 

 

  1. Is Solution A or Solution B more concentrated?  Use data to support your claim. 
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