In saturated fatty acid lipids....

All C atoms joined to other C atoms by single bonds

The scientific study of how living things are classified

What does a nucleotide have?

Sugar, phosphate, Nitrogenous base

It provides strength and rigidity to plant cells.

The amino acid sequence determines:

The three dimensional conformation of a protein

Which of the following is a hydrogen bond?

Attraction of a + H in one water molecule and -O of another

The plasma membrane is ...

A phospholipid bilayer surrounding the cell

What is a phospholipid???

A phosphate head with 2 fatty acids

The fluid mosiac model states that the cell membrane....

acts more like a liquid, changing often.

What is the function of proteins?

Transport, protection, structure, messengers, catalysts, etc

What does the atomic number do?

Tell the amount of electrons and protons

composed of two monosaccharides; sucrose

general structure of an amino acid contains

amino group, hydrogen atom, carboxyl group, R group

A dehydration synthesis can be defined as

process that combines monomers into polymers, smaller molecules are joined by removing a water molecule, makes a long polymer from monomers

a solution that is resistant to large changes in pH

what is a covalent bond?

a chemical bond that results from the sharing of valence electrons

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Bio 181 Final Exam Review Part 1

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Questions 49

Answers

1
Most enzymes...
Are proteins
Are small
Like milk
Are big
2
Hydrophilic
repels water
attracted to water
3
Identify this part of a nucleotide.
Nitrogenous Base
Phosphate group
Cytosine
Glucose
4
How do you get Atomic mass?
Cloud + Neutron
Proton + Neutron
Protron and Electron
Proton + Cloud
5
In saturated fatty acid lipids....
C atoms are soaking in butter
All C atoms joined to other C atoms by single bonds
C atoms are joined to C atoms by peptide bonds
C atoms are joined to C atoms by double bonds
6
What is an example of a producer?
Squirrels
Trees
Lions
Fungi
7
Identify the Plasma Membrane
M
K
C
O
8
Atoms of the same element that have a different number of neutrons
Ion
Elements
Compound
Isotope
9
Mercury is an element. Which of the following would be the same for all atoms of mercury?
the number of electrons
the number of neutrons
the number of protons
the total number of protons and neutrons
10
The diploid cells of a human contain.
23 chromosomes
46 chromosomes
44 chromosomes
22 chromosomes
11
Taxonomy
The scientific study of how living things are classified
A cell captures energy in sunlight and uses it to make food
The maintenance of stable internal condition
An action or change in behavior
12
To become a positive ion, an atom must ___________ .
gain electrons
lose protons
lose electrons
gain protons
13
What does a nucleotide have?
Sugar, phosphate, Chromosome
Sugar, phosphate, RNA
Sugar, Phosphate, Protein
Sugar, phosphate, Nitrogenous base
14
A structural carbohydrate found in plants.
chitin
glycogen
starch
cellulose
15
This cell is
eukaryotic
prokaryotic
16
The simplest amino acid is
glycine
Leucine
Alanine
valine
17
How is DNA different from RNA?
DNA is a single helix
DNA is a double helix
DNA has a nitrogenous base uracil
DNA uses sugar ribose
18
Which compound has a polar covalent bond?
MgCl2
H2O
KI
NaCl
19
What is cellulose?
It provides strength and rigidity to human cells
A cell found in worms
A plant
It provides strength and rigidity to plant cells.
20
What type of cell does not have a nucleus
Eukaryotic
Prokaryotic
21
The amino acid sequence determines:
The three dimensional conformation of a protein
The number of polypeptides in the protein
How many different polypeptides the organism contains
The base sequence of the gene used to form the polypeptide
22
Identify this part of a nucleotide.
Glucose
Nitrogenous base
Phosphate group
Cytosine
23
What are the subunits of triglyceride?
3 glycerol + 3 fatty acids
1 glycerol + 2 fatty acids
1 glycerol + 3 fatty acids
3 glycerol + 1 fatty acids
24
Which of the following is a hydrogen bond?
Bond between Na+ and Cl-.
Bond between C and O in CO2.
Attraction of a + H in one water molecule and -O of another
Peptide bond between amino acids
25
This subatomic particle of an atom has a POSITIVE charge.
amitron
electron
neutron
proton
26
Cellulose is an example of a
Lipids
Proteins
Carbohydrates
Nucleic Acids
27
The plasma membrane is ...
A single layered membrane
A double layered protein enclosed.
A membrane composed of tiny shelves of cristae
A phospholipid bilayer surrounding the cell
28
The monomer of nucleic acids is
phosphate
DNA
nucleotide
nitrogen base
29
To become a negative ion, an atom must ____________.
lose electrons
gain protons
gain electrons
lose protons
30
Hydrophobic
Nonpolar (Water Fearing)
Polar (Water Loving)
31
If a structure has a fatty acid chain, it is most likely a
carbohydrate
phosphate group
glycerol
lipid
32
What part of an atom has no charge?
Proton
Neutron
Electron
33
What is a phospholipid???
A phosphate head with 2 fatty acids
Something that is completely hydrophobic
Something that is completely hydrophilic
A hormone
34
Hydrolysis is...
an anabolic process
catlyzed by synthases
a catabolic process
exclusively intracellular
35
The fluid mosiac model states that the cell membrane....
acts more like a liquid, changing often.
is selectively permeable.
contains many fluid phospholipids.
is semipermeable.
36
What is the function of proteins?
Transport, protection, structure, messengers, catalysts, etc
Long term energy storage
Short term energy storage
Store genetic information
37
This subatomic particle of an atom has a NEGATIVE charge.
atom
electron
neutron
proton
38
This cell is
prokaryotic
eukaryotic
39
How many types of nucleotides are in DNA?
4
3
5
2
40
Prokaryotes include archea and bacteria
False
True
41
What does the atomic number do?
Tell the amount of just neutrons
Tell the amount of electrons and protons
Tell the amount of just electrons
Tell the amount of just protons
42
The nucleus of a atom consists of ?
protons and neutrons
electrons and protons
electrons and neutrons
your mom
43
The Cell Theory
All of the Above
cells come from existing cells.
All living things are made of 1 or more cells.
Cells are the basic unit of life.
44
disaccharide
composed of only a monosaccharide; glucose
composed of many monosaccharides; cellulose
composed of two monosaccharides; sucrose
45
Definition of Biology
composed of one or more cells
the scientific study of life
ability of a species to produce offspring
using energy to maintain life processes
46
general structure of an amino acid contains
amino group
hydrogen atom
carboxyl group
R group
47
A dehydration synthesis can be defined as
process that combines monomers into polymers
smaller molecules are joined by removing a water molecule
makes a long polymer from monomers
the breaking of water into H, OH
48
Define buffer
a solution that is NOT resistant to large changes in pH
a substance in which a solution dissolves
the process of dissolving by breaking into smaller pieces
a solution that is resistant to large changes in pH
49
what is a covalent bond?
a chemical bond that results from the sharing of valence electrons
A bond that is formed when parallel orbitals overlap to share electrons
a type of bond that forms when electrons are not shared equally
the electrostatic force that holds oppositely charged particles together

Bio 181 Final Exam Review Part 1 Flashcards | StudBud