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Biology Basics Flashcards | StudBud
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Biology Basics
Biology Basics
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Test your knowledge on fundamental concepts in biology
Flashcards
49 cards
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Questions
49
Answers
1
What does the word "anatomy" mean?
Body
Shape
To cut apart
To be born
2
Which is not a bone function?
Hematopoiesis
Heat generation
Protection
Mineral storage
3
What are the three forms of matter?
Vapor, water, solid
Air, water, solids
Solids, liquids, gases
Blood, bone, air
4
What is another name for skin?
Serous membrane
Cutaneous membrane
Mucous membrane
Parietal membrane
5
Disease results from what failure?
Positive feedback
Homeostatic systems
Setpoint maintenance
External factors
6
What happens when potassium channels open?
IPSP, hyperpolarization
EPSP, hyperpolarization
IPSP, depolarization
EPSP, depolarization
7
Which is a type of lipid?
Riposes, purines
Fatty acids, proteins
Glucose, starch
Phospholipids, eicosanoids
8
This portion of the brain is involved in balance and equilibrium
cerebellum
medulla
pons
cerebrum
9
Ca binds to ___, which then moves ___ out of the way
tropomyosin, troponin
Na channel, K
troponin, tropomyosin
myosin, actin
10
What does bone store?
Steroids, proteins
Glycogen, bases
Phosphate, glycogen
Calcium, phosphate
11
Which of the following does not contribute to skin color?
red blood cells
melanin
carotene
bilirubin
12
Where does hematopoiesis occur?
Endosteum
Epiphyseal line
Yellow bone marrow
Red bone marrow
13
What is the increase in motor units called?
Recruitment
Tone
Wave summation
Incomplete tetany
14
What vitamin requires sun exposure?
Vitamin C
Vitamin B12
Vitamin D
Vitamin A
15
Largest internal cellular structure?
Cytosol
Lysosome
Nucleus
Golgi apparatus
16
What allows impulse travel in muscle tissue?
Contractility
Conductivity
Elasticity
Extensibility
17
What gland secretes sweat into hair follicles?
Ceruminous
Merocrine
Sebaceous
Apocrine
18
What forms the cell's outer barrier?
Plasma membrane
Mitochondrion
Ribosome
Centrosome
19
Where are chemically gated channels found?
Transmissive segment
Conductive segment
Initial segment
Receptive segment
20
True or false: Cations are negatively charged ions.
False
True
21
What tissue type is spinal nerves?
Nervous
Connective
Epithelial
Muscle
22
What type of sugar is glucose?
Lipid
Polysaccharide
Monosaccharide
Disaccharide
23
which of the following would describe a suture in the skull?
symphysis
diachronic
synarthrotic
cartilaginous
24
What model does endochondral ossification begin with?
Membranous
Dense connective
Hyaline cartilage
Mesenchyme
25
What is movement from high to low concentration?
Equilibrium
Facilitation
Diffusion
Active transport
26
What is the resting membrane potential of a neuron?
-90 mV
−70 mV
−65 mV
+70 mV
27
What type of epithelium is best for diffusion?
Simple squamous
Transitional
Pseudostratified
Stratified squamous
28
What maintains ion concentrations in neurons?
Chemically gated channels
Sodium-potassium pumps
Voltage-gated channels
Mechanically gated channels
29
Where is potassium more concentrated?
Sodium inside
Inside cell
Outside cell
Sodium outside
30
What is not a function of bone?
Generate heat
Protection
Body movement
Mineral storage
31
What is the first step in homeostatic control?
Control center
Receptor
Stimulus
Effector
32
What is an example of a flat bone?
Radius
Trapezoid
Femur
Sternum
33
What is movement toward the main axis?
Inversion
Adduction
Abduction
Flexion
34
What is the most abundant membrane lipid?
Phospholipid
Cholesterol
Glycolipid
Glycoprotein
35
What forms the cell's outer barrier?
Ribosome
Mitochondrion
Plasma membrane
Peroxisome
36
What is bone growth in diameter called?
Endosteal growth
Epiphyseal growth
Interstitial growth
Appositional growth
37
What are the three forms of matter?
Blood, bone, air
Solids, liquids, gases
Vapor, water, solid
Air, water, solids
38
What do endocrine glands lack?
Short ducts
Secrete onto skin
Ducts
Secrete into bloodstream
39
What is the largest internal cellular structure?
Cytosol
Golgi apparatus
Nucleus
Lysosome
40
What is glucose an example of?
Monosaccharide
Lipid
Polysaccharide
Disaccharide
41
Which is a type of lipid?
Triglycerides
Nucleotides
Carbohydrates
Proteins
42
Which of the following is caused by the sympathetic NS?
reduced heart rate
glycogenesis
increase GI activity
bronchodilation
43
What is the net energy yield from glycolysis?
6 ATP
36 ATP
2 ATP
30 ATP
44
What neurotransmitter is released at the neuromuscular junction?
epinephrine
acetylcholine
dopamine
serotonin
45
True or false: Shivering is negative feedback.
True
False
46
What type of muscle is found lining the stomach and blood vessels?
skeletal
smooth
epithelial
cardiac
47
What voltage-gated channel has an inactivation gate?
Chloride channel
Calcium channel
Sodium channel
Potassium channel
48
What is the function of melanin?
Regulate temperature
Reduce water loss
Prevent infections
Protect against UV
49
Most abundant membrane lipid?
Phospholipid
Steroid
Cholesterol
Glycolipid
