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Midterm Review 1 Flashcards | StudBud
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Midterm Review 1
Midterm Review 1
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1
What substance is the strongest acid in the table?
6.6
Milk
2.0
Lemon Juice
2
Erwin Chargaff discovered what?
Double- Helix Structure
There is equal amounts of A & T
There is equal amounts of G & C
DNA existed
3
the building blocks for DNA are
deoxyriboses
nucleotides
nucleosomes
amino acids
4
Find the correct base pairing.
Thymine-Adenine
Guanine-Thymine
Cytosine-Adenine
Guanine-Guanine
5
What do you do when there is broken glass?
let the janitor pick it up later
You tell the teacher
do nothing
pick it up
6
what does a plant cell have that an animal cell does not?
small vacuole
Chloroplasts
mitochondria
big vacuole
7
Most autotrophs obtain the energy they need to sustain life through the chemical process of --
eating other organisms
autotrophic fermentation
photosynthesis
cellular respiration
8
What process is shown in the picture below?
mitosis
meiosis
binary fission
asexual reproduction
9
What is the chromosome for a male?
ST
XX
XY
OI
10
According to cell theory
The parts of the cell came about slowly
A group of tissue makes up a cell
Cells cannot live apart from other cells
Cells came from preexisting cells
11
What is the chemical bond that is used to attach one amino acid to the next called?
ionic bond
polar bond
peptide bond
hydrogen bond
12
Cellular respiration equation
C6H12O6+6O2---> 6CO2+6H2O+ATP
6CO2+6H2O ---> C6H12O6+6O2
Carbohydrates + oxygen yields carbon dioxide + water +ATP energy
None
13
Cell specialization allows cells to...
be less complex.
perform different functions.
respond to their environment.
reproduce.
14
Hormones are distributed throughout the body, but are produced by specialized cells in which body system?
Digestive
Endocrine
Nervous
Circulatory
15
What is represented by Number 1 in the figure below?
Gene
DNA
chromosome
nucleus
16
Which type of cells below are formed by meiotic division?
Erythrocytes
Muscle fibere cells
Sperm cells
Skin cells
17
I want to see if drinking coffee makes students score higher on tests. What would be the dependent variable?
water
the coffee
test score
the test
18
The most abundant chemical compound in most living things is
water
carbon dioxide
sodium chloride
glucose
19
Cells break down food molecules, like glucose, to obtain energy needed to sustain life. This energy is then --
released as heat
used to form molecules of ADP
stored as fat
used to form molecules of ATP
20
What is a karyotype?
A spread of chromosomes that are taken from a cell
Pairs of squiggly lines that have no meaning
A picture of a family tree that shows traits
