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PCB 4023 Practice Exam 1

Authored by Carolina Lugo

Science

University

NGSS covered

Used 2+ times

PCB 4023 Practice Exam 1
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85 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Despite the diversity, cells resemble each other to an astonishing degree in their chemistry. For example, only four _____ are used to make DNA.

dNTP

NTP

amino acid

monosaccharide

fatty acid

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The _____ is made up of two concentric membranes and is continuous with the membrane of the endoplasmic reticulum.

nuclear envelope

plasma membrane

Golgi network

mitochondrial membrane

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ionic bonds form a ___.

Salt

Molecule

Polymer

Lipid bilayer

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The side chain of the amino acid R under pH 7 is ___.

Nonpolar

Negatively charged

Positively charged

Polar but uncharged

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following amino acid side chain can be phosphorylated by a protein kinase?

C

F

D

Y

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hydrogen bonds are essential to form a(n) _____

alpha-helix

lipid bilayer

salt

polypeptide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following protein is necessary to stop a mitogenic signaling by dissociating a SH2 domain containing protein (Grb2) from phosphorylated Growth factor receptor?

a lipid kinase

a protein kinase

a lipid phosphatase

a protein phosphatase

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