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Biology Semester 1 Review Flashcards | StudBud
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Biology Semester 1 Review
Biology Semester 1 Review
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General Biology Semester 1 review
Flashcards
60 cards
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Practice quiz
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Questions
60
Answers
1
Enzymes belong to which group of biomolecules
Nucleic Acids
Carbs
Proteins
Lipids
2
What is a Hypothesis?
a tentative explanation for observations or a phenomenon
A question
Involves series of ordered steps
An answer
3
What are the bases in RNA?
A, U, T, G
A, T, C, U
A, U, C, G
A, T, C, G
4
Which of the following always pairs with the base Adenine?
Adenine
Thymine
Cytosine
Guanine
5
Movement of WATER from an area of high concentration to an area of low concentration
diffusion
osmosis
facilitated diffusion
active transport
6
What is the scientific method?
A method used to discover science
A process used to explore observations/answer questions
A method to find energy flow
A method used to find kinetic and potential energy
7
"CROSSING-OVER" is a cause for genetic diversity.
True
False
8
___ are smaller repeating subunit of biomolecules
Polymers
Monomers
Covalent bonds
9
What are the channels and pumps that are in the cell membrane made of?
bilipids
protein
lipids
carbohydrates
10
The shape of DNA is known as:
Double Spiral
Double Barrel
Double Helix
Double Helicase
11
What are the bases in DNA?
A, T, C, G
A, U, C, G
A, C, U, T
A, U, G, T
12
What bond holds together the strands of DNA?
Covalent
Hydrogen
Peptide
13
The process in which cells take in large particles using energy is called
diffusion
endocytosis
exocytosis
osmosis
14
Prokaryotes lack
Cytoplasm
Genetic Material
A Nucleus
Cell Membrane
15
One replicated chromosome contains ______ chromatids.
4
5
2
1
16
The result of mitosis and cell division is
2 genetically different daughter cells
4 genetically identical daughter cells
4 genetically different daughter cells
2 genetically identical daughter cells
17
The scientist(s) that took the first x-ray photo of DNA:
Robert Hooke
Watson and Crick
Rosalind Franklin
Frederick Griffiths
18
The MONOMER of DNA is...
a carbohydrate
a nucleotide
a lipid
a protein
19
The cell membrane is responsible for selecting what goes into and out of the cell
true
false
20
This type of RNA brings the DNA information from the nucleus to the cytoplasm.
mRNA
nRNA
tRNA
rRNA
21
Why is a control group important?
The scientists need a group to compare results to.
The scientist wants more people to test
22
A cell placed in an isotonic solution will:
stay the same
shrink
swell
23
The lipid bilayer is composed primarily of what two biological molecules?
Sugars and lipids
Carbohydrates and proteins
Proteins and lipids
Sugars and proteins
24
Chromosomes are made of up DNA.
True
False
25
All somatic (body) cells have the same DNA.
False
True
26
The only difference between RNA and DNA is that DNA has a different sugar than RNA
false
true
27
When a single base is changed out for another one in a DNA sequence it is known as:
point mutation
single mutation
frameshift mutation
chromosomal mutation
28
Plants appear green to the human eye because they__________ the color green.
reflect
contain
absorb
refract
29
Which of the following is NOT found in ALL cells?
DNA
Cell Membrane
Ribosome
Cell Wall
30
Both mitosis and meiosis result in 4 haploid daughter cells.
false
true
31
All Eukaryotes have a Nucleus
True
False
32
DNA is a single stranded molecule.
true
false
33
Chargaff's Rule states that A pairs with T and C pairs with G.
False
True
34
Which of the following does NOT require energy from the cell?
Passive Transport
Active Transport
Two of these
Diffusion
35
What are the 4 Essential Biomolecules of Life?
Water, Oxygen, Carbon, Glucose
Carbohydrates, Proteins, Lipids, Nucleic Acids
Carbohydrates, Lipids, Water, Proteins
RNA, Glucose, Protease, Fat
36
A cell placed in a hypotonic solution will:
shrink
swell
stay the same
37
Reactants are what is MADE from a scientific formula.
True
False
38
Which of the following DOES require energy from the cell?
Two of these
Passive Transport
Active Transport
Diffusion
39
The process of making two identical copies of DNA is known as
Transcription
Replication
Translation
Reproduction
40
final step of scientific method
hypothesis
modeling
theory
results & conclusions
41
Plants make their own food using which process?
Soaking in soil nutrients
Cellular Respiration
Photosynthesis
42
How many variables should a science experiment have?
4
1
2
3
43
Sperm and Egg cells are examples of "Gametes"
True
False
44
If 30% of a DNA molecule is Cytosine, what percentage will be Guanine?
30%
70%
20%
35%
45
A heterotroph is an organism that makes its own food.
True
False
46
Which organelle would you expect to find in plant cells, but not animal cells?
mitochondria
chloroplast
endoplasmic reticulum
ribosome
47
Animal Cells have cell walls.
False
True
48
What types of bonds hold the nitrogenous bases together in a DNA molecule?
Polypeptide
Hydrogen
Sulfur
Nitrogen
49
Which variable is the measured, result, of an experiment?
Control
Dependent
Independent
Controlled
50
Which of the following is the MOST LIKELY to cause a harmful mutation in a protein?
chromosomal mutation
point mutation
frameshift mutation
single mutation
51
Whats the first step of the Scientific method
Collecting Data
Question
Expertiment
Background info
52
What are the three types of biomolecules?
Food, water, and sunlight
enzymes, substrates, and active site
Proteins, lipids, and carbohydrates
Glucose, galactose, and lactose
53
Active transport requires NO energy from the cell.
false
true
54
A cell placed in a hypertonic solution will:
swell
stay the same
shrink
55
This type of RNA brings the amino acids to the amino acid chain in the ribosome
mRNA
tRNA
rRNA
nRNA
56
Biology means...
the study of animals
live life
the study of life
the study of cells
57
The independent variable is always located on which axis of a graph?
Y-Axis
X-Axis
58
What cellular process is taking place in the Figure 12-1?
exocytosis
diffusion
osmosis
endocytosis
59
Movement of PARTICLES from area of HIGH concentration to an area of LOW concentration
Osmosis
Exocytosis
Facilitated Diffusion
Diffusion
60
A DNA nucleotide includes all of the following EXCEPT:
A Phosphate Group
A Nitrogenous Base
Deoxyribose Sugar
An Amino Acid
