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:Question 20
The amount of energy needed to break the bonds of the reactants is called
A) activation energy
B) kinetic energy
C) metabolic energy
D) potential energy
Question 21
Which of the following statements concerning enzymes is NOT true?
a) An enzyme placed in an extremely warm environment may denature
b) Enzymes are globular proteins
c) The enzyme can change its conformation slightly to allow for a substrate to fit into the
active site.
d) Enzymes lower the overall energy required to break the bonds in reactants
e) In catabolic reactions, two substrates are aligned by enzymes to form bonds quickly
Question 22
Which organelle contains its own DNA?
a) Endoplasmic reticulum
b) cell membrane
c) Golgi apparatus
d) centrioles
e) mitochondria

Transcribed Image Text:Question 23
The type of glycosidic linkages in cellulose are
a) beta 1-6
b) alpha 1-2
c) beta 1-4
d) alpha 1-4 and alpha 1-6
e) alpha 1-4
Question 24 (
Which of the following is not passive?
A) osmosis
B) Nat-K+ Pump
C) diffusion
D) facilitated diffusion
Question 25
Very small non-polar molecules enter the cell by:
A) diffusion
B) active transport
C) phagocytosis
D) exocytosis
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