7th grade science midterm
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1
Antibiotics will not be able to treat this type of infection
Virus
2
These aid in digestion, and keep harmful microorganisms away
Bacteria
3
Your body uses these for growth and repair
Amino acids
4
Body system that breaks down starch into simple sugars
Digestive
5
Brings in oxygen and releases carbon dioxide
Respiratory
6
Part of blood that carries oxygen
Red blood cells
7
Glucose + oxygen = ATP + CO2 + H2O
Cellular respiration
8
Two different alleles for one trait
Heterozygous
9
Random change in DNA that can result in a new trait
Mutation
10
There are trillions of these living in and on your body
Micro organisms
11
This organelle controls the cell and houses the DNA
Nucleus
12
This organelle is responsible for releasing ATP energy
Mitochondria
13
Organelles that plants have, but animals do not
Cell wall and chloroplast
14
Moves glucose from digestive system to circulatory
Villi
15
organ where you would find alveoli
Lungs
16
Molecule that is main energy source for body
ATP
17
Gene versions carry instructions for making these
Proteins
18
Two of the same alleles for one trait
Homozygous
19
Contains DNA organized into genes
Chromosomes
20
Found in the nucleus, equal to the atomic number
Protons
21
Found in shells arranged 2 8 8
Electrons
22
Found by atomic mass minus atomic number
Neutrons
23
Ribosomes
Where are the proteins made?
24
Is all bacteria bad?
NO!!!!!!!
25
Electron
Negative charge
26
Neutron
Neutral charge
27
Three characteristics of an acid
– PH is 0-7 - Sour taste - Turns litmus paper red
28
Characteristics of a base
– PH 7-14 - Bitter taste - turns litmus paper blue
29
Cell membrane
Part of cell we’re all three molecules, leave the circulatory system and enter the cell
30
Proton
Positive charge
31
Are apples in the, tree cars in the garage
Adenine, thymine Guanine, cytosine
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