What is a hydrogen bond?

A weak bond that forms between molecules of water

What are the four biologically important organic compounds?

Carbohydrates, Proteins, Lipids, and Nucleic Acids

What is the structure of the plasma membrane?

Two lavers of phospholipids with embedded transport proteins

What are the four elements that make up 96.3% of living cells?

oxygen, carbon, hydrogen, and nitrogen

transferring of electron between two atoms they become charged and bond

What is a prokaryote?

Small, simple celled organism. No organelles, all are unicellular

How do you determine the number of electrons?

the same as the number of protons

What are the four types of poirsaccharides given in your testbook that are made of chains of glucose?

Starch, Cellulose, Glycogen, and Chitin

What are the steps in the scientific method (in order)?

Observation, Question, Hypothesis, Experiment, Results, Conclusion

What are its unique features of prokaryote?

Plasmids, Nucleoid, Pilus, Capsule

What are the unique features of plant cells?

Chloroplasts and Central Vacuole

What are some examples of lipids?

Oils, fats, cholesterol, steroid hormones (estrogen, testosterone)

What are organic compounds?

Anything with carbon in the molecule.

Where are electrons located?

Orbiting the nucleus at high speeds

smallest units that retain all of the properties of their type of matter.

What is the a primary source?

The research as described by the scientists that did the experiment

What are the three types of passive transport?

Diffusion, osmosis, and Voice facilitated diffusion

What are the four types of eukaryotes?

Protists, fungi, plants, animals.

What is the dependent variable?

The thing scientists measure in the experiment.

Whr is carbon so important (what property does it hare)?

It can bond with up to four other atoms

A misture of solvent (liguid) + solute (solid)

RNA is read by a ribosome and the instructions are used to create a protein

A basic substance that can’t be broken down

Double-blind experiment

Information is withheld from both participants and experimenter

What is the nucleus made of?

Nuclear membrane with nuclear pores, chromosomes, and a nucleolus

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Questions 97

Answers

1
What is a hydrogen bond?
A strong bond that forms between molecules of water
A weak bond that forms between molecules of water
non of these
shares electrons
2
How do you determine the number of protons in an atom?
The atomic weight
The Atomic number
You guess
the atomic mass
3
What are the four biologically important organic compounds?
Vitamins, Minerals, Water, and APT
carbohydrates, minerals, vitamins, and Nucleic acids
Water, protein, lipids, and vitamins
Carbohydrates, Proteins, Lipids, and Nucleic Acids
4
What is the structure of the plasma membrane?
It’s the gatekeeper
Three lavers of phospholipids with embedded transport proteins
Two lavers of phospholipids with embedded transport proteins
One lavers of phospholipids with embedded transport proteins
5
inhibitor:
protein that speeds up
Movement
prevent enzymes from working.
molecule
6
What type of bond holds amino acid monomers together to form protein chains?
Ionic bond
covalent bonds
Peptide bonds
7
What is a covalent bond?
It shares is electrons
Borrows electrons
Transfers, electrons between atoms
8
What are the four elements that make up 96.3% of living cells?
oxygen, carbon, hydrogen, and nitrogen
carbon, sodium, oxygen, and iron
oxygen, calcium carbon, and sodium
lithium, carbon, potassium, and calcium
9
Define ionic bond
transferring of electron between two atoms they become charged and bond
shares electrons
becomes a covalent bond
10
Where does transcription take place?
In the electrons
In the atom
In the outer shells
In the nucleus
11
Neutrons are located in the nucleus
False
True
12
What does a line graph display?
a graph with a line
data that changes continuously
a bar graph
a chart that shows percentage
13
6. What is a phospholipid?
ignore this
ask me
14
What is the symbol of Calcium
Ca
H2o
Ci
Cl
15
What is a prokaryote?
Small, simple celled organism. No organelles, all are unicellular
not Small, simple celled organism. No organelles, all are unicellular
Small, simple celled organism.
idk
16
Where are the protons located in the atom?
in the shells of electrons
everywhere
idk
In the nucleus
17
How do you determine the number of electrons?
the same as the number of protons
the atomic weight
The number of electrons
the same number of neutrons
18
What are the four types of poirsaccharides given in your testbook that are made of chains of glucose?
Starch, Cellulose, Glycogen, and Chitin
Monomers and polymers
Carbohydrates, Proteins, Lipids, and Nucleic Acids
Oils, fats, cholesterol, steroid hormones
19
What is a eukaryote? 2 answers
No organelles, all are unicellular
(Organelles (including a nucieus), Unicellular or multicellular)
(An organism with larger, more comples cells)
ask me
20
What are the steps in the scientific method (in order)?
Observation, Question, Hypothesis, Experiment, Results, Conclusion
experiment, results, hypothesis, observation, question, conclusion
Question, Observation, Experiment, Hypothesis, Conclusion, Results
Hypothesis, Question, Observation, Experiment Results, Conclusion
21
What is pH neutral?
0-6
8-14
7
22
If you change the number of neutrons, what does the atom become?
A pumpkin
an electron
An isotope
whatever you want it to be
23
What are its unique features of prokaryote?
Bacteria and Arches
Lysosomes
Plasmids, Nucleoid, Pilus, Capsule
Organelles
24
What are the unique features of plant cells?
none
Chloroplasts and Central Vacuole
Capsule
Lysosomes
25
active transport is the movement of molecules from low concentrations to high concentrations and it requires energy
True
False
26
What are some examples of lipids?
Oils, fats, cholesterol, steroid hormones (estrogen, testosterone)
Carbohydrates, Proteins, Lipids, and Nucleic Acids
Proteins, minerals, water
Vitamins, minerals, water
27
What does a bar graph compare?
collects data
compares percentages
a line graph
categories of data
28
What are the levels of biological organization?List them in order from smallest to largest or largest to smallest. pick2
Atom, Molecules, Organelles, Cells, Tissue, Organs, Organ systems
Ask me
Organism, Population, Community, Ecosystem, Biosphere
(Organism, Biosphere, Tissue, Molecules, Ecosystem)
29
What are organic compounds?
Anything without carbon in the molecule.
Anything with carbon in the molecule.
Anything without Carbon
30
Where are electrons located?
idk
In the nucleus
Orbiting the nucleus at high speeds
both
31
What is the maximum number of covalent bonds between two atoms?
four
one
three
two
32
What is an atom?
smallest units that retain all of the properties of their type of matter.
a ionic atom
an ion
a convent bond
33
Protons have a negative charge
True
False
34
20. Explain what happens during a dehydration synthesis reaction.
ask me
too long to type
35
What is the a primary source?
First hand experience/research
A review or summary written by someone
The research as described by the scientists that did the experiment
36
What are the three types of passive transport?
Lysosomes Chloroplasts and Central Vacuole
Diffusion, osmosis, and Voice facilitated diffusion
none
37
What are the four types of eukaryotes?
fungi, plants, cells and animals
Lysosomes Chloroplasts Organelles and Central Vacuole
Protists, fungi, plants, animals.
plants, cells, animals, protein
38
What does nucleus contain?
cells
RNA
nuclear pores
DNA
39
What is a vacuole for?
nothing
storage
40
What is the dependent variable?
It is independent
idk
The thing scientists measure in the experiment.
Depends on different factors
41
Which side would have the products?
right
up
down
left
42
What is its function of the plasma membrane?
It’s the gatekeeper
Two lavers of phospholipids with embedded transport proteins
It’s not the gatekeeper
43
Whr is carbon so important (what property does it hare)?
It can bond with up to five other atoms
It can not bond with up to four other atoms
It can not bond with other atoms
It can bond with up to four other atoms
44
define solution.
A misture of solvent (liguid) + solute (solid)
dissolving agent
idk
45
explain translation
RNA is read by a ribosome and the instructions are used to create a protein
DNA is read and a molecule of RNA is created from the template
46
What is the atomic weight of calcium
40.078
20
47
What are elements?
A basic substance that can’t be broken down
a compound that can not be broken down
an atom
a ion
48
if you change the number of electrons, what does the atom become?
stays the same
Different element
An ion
49
What are esamples of prokaryotes?
plants and cells
none
Nucleoid and Capsule
Bacteria and Arches
50
Double-blind experiment
Information shared with everyone
Information is withheld from both participants and experimenter
A treatment that doesn’t contain the substance being studied.
The placebo effect
51
What is the nucleus made of?
none
DNA
Nuclear membrane with nuclear pores, chromosomes, and a nucleolus
Diffusion, osmosis, and facilitated diffusion
52
placebo, is a treatment that doesn’t contain the substance being studied.
False
True
53
What are trans fats?
Unhealthy food
healthy foods
fried chicken, kool aid, mac and cheese
Unheaithy, unnatural unsaturated fats created through hydrogenation
54
pt.1 If something doesn’t display all properties of life, can it still be considered to be alive?
yes
no
55
Define single-blind experiment
Information shared with participants
Information is withheld from participants
information is withheld from both participants and esperimenter
56
What a secondary source?
the research as described by the scientists that did the experiment
a review or summary written by someone
idk
Research done by someone else
57
When looking at a formula for a chemical reaction, which side would fou find the reactants?
right
down
up
left
58
What does the suffs “-ose” in a word mean?
ice
pumpkins
water
sugar
59
You do not need to know how to read a scientific table or know how to read bar graphs, line graphs, and pie charts.
False
True
60
substrate:
none
a chemical reaction without being changed
target molecule for an enzyme
prevent enzymes from working.
61
What do mitochondria do?
ignore
ask me
62
Where does translation take place?
In the nucleus
in the outer shell
Outside the nucleus (in the cytoplasm) at a sibosome
In the protons
63
what charge do electrons have?
Neutral
positive
negative
64
What is a buffer?
chemicals that maximize changes in pH by not accepting H* ions.
chemicals that maximize changes in pH by accepting H* ions.
chemicals that minimize changes in pH by not accepting H* ions.
chemicals that minimize changes in pH by accepting H* ions.
65
On the pH scale, what is considered acidic?
7
let’s not get this wrong again!
0-6
8-14
66
What is the nucleus of the cell?
Organelle that doesn’t holds DNA
molecules
Organelle that holds DNA
chromosomes
67
Draw a planetary model for the element above (you will need to be able to do this for any element given on your exam).
do this on a piece of paper
ignore this
20 Protons, 20 Neutrons, 20 Electrons (3 shells) (drawing the rings)
68
explain transcription
DNA is read and a molecule of RNA is created from the template
RNA is read by a ribosome and the instructions are used to create a protein
69
How do vou determine the number of neutrons in an atom?
protons - neutrons = number of neutrons
atomic weight/mass - Atomic number = number of neutrons
The number of protons
The number of electrons
70
compounds are combined elements
True
False
71
Food protein (polymers) can be broken up into monomers.
Amino acid
Nucleic Acids
72
What does a chloroplast do?
Photosynthesis- using carbon dioside and water to create sugar and osygen
sugar and osygen are used to create carbon
73
Define Biology
the study of life
the study of animals and humans
the study of animals
the study of space
74
Identify the atomic number
20
40.078
75
If you change the number of protons in an atom, what does the atom become?
stays the same
A different element
becomes a apple
76
Explain what happens during a hydrolysis reaction.
breaking a chemical bond with water
idk
breakinga chemical bond with water polymer is broken into separate monomers
77
What are the six properties of life? (2 answers)
both ask me
none of these
Response to the Environment, Evolutionary Adaptations (secret 7 is cells)
Order, Energy and Matter Processing, Reproduction, Growth and Derelopment
78
A controlled experiment is a test is run multiple times with oniy one variable changing.
False
True
79
pt.2 Is a virus alive?
no
yes
80
what is stronger a covalent or ionic bond?
Ionic
covalent
81
Define enzyme
is a protein that speeds up a chemical reaction without being changed
prevent enzymes from working.
target molecule for an enzyme
a hydrogen bond
82
What is the independent variable in an experiment?
The one that’s independent
The thing that the scientist changes/manipulates
Depends on different factors
Doesn’t depend
83
is passive transport the movement of molecules from high concentrations to low concentrations and it takes no energy
False
True
84
How is a protein made (starting at DNA in the nucleus and ending with the finished protein)
DNA, Transcription, RNA, Translation, Protein
Translation, RNA, DNA, Protein, Transcription
Transcription, DNA, Protein, RNA, Translation
Transcription, RNA, Translation, Protein, DNA
85
What are the five examples the textbook gives as functions of proteins?
Movement, defense, structure, transport, and enzymes
chicken, meat, fish, beans, nuts
they don’t give examples
86
What does a pie chart convey?
the X axis and Y axis
compares/collects data
pies
Percentages of a whole
87
What are its unique features eukaryote?
organelles
organism
cells
complex cells
88
What is considered basic/alkaline?
7
0-6
8-14
89
What are the unique features of animal cells?
Organelles
Lysosomes
Nucleoid
Chloroplasts
90
25. What is the difference between saturated fats
ask me
too long to write
91
Do neutrons have a neutral charge
no
yes
92
What property do all lipids share?
they’re fatty acids
They are hydrophobic
magic john
93
define solvent
a dissolving agent
not a dissolve agent
94
What is the scientific method?
a method only scientists can use
A method for science
idk
it’s a method
95
atoms are the smallest units that retain all of the properties of their type of matter.
False
True
96
Hydrogen is a strong bond
True
False
97
What is hydrogenation?
it’s fat
it’s skinny
It’s not used to create trans fats
It’s used to create trans fats

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