What describes muscle types differences?

Smooth and cardiac do not fatigue

What supports a cell's cytoskeleton?

Microtubules and microfilaments

studbud

Biology Basics

51 termsStudBud Administration

Test your knowledge on fundamental concepts in biology, from cell structure to scientific methods

Flashcards51 cardsFPractice quizPHost liveL

Questions 51

Answers

1
What is a blood fragment?
Plasma
Monocyte
Lymphocyte
Platelet
2
What is an important energy source?
Ribose
Deoxyribose
Cellulose
Glucose
3
What are electrically neutral molecules?
Polar molecules
Ions
Isotopes
Electrolytes
4
What are structures with different tissue types?
Organ systems
Tissues
Body cavities
Organs
5
How do prokaryotic cells differ?
Have protein plasma membrane
Lack membrane-bound nucleus
Have cytoplasm but no membrane
Lack DNA and RNA
6
What is a principle of cell doctrine?
All living things are cells
All cells come from others
Single cell is smallest unit
All cells have nucleus
7
What is not a function of bone?
Attachment of muscles
Mineral storage
Red blood cell formation
Secretion of hormones
8
What studies the natural world?
Chemistry
Biology
Geology
Medicine
9
What particles are in the nucleus?
Protons
Neutrons and electrons
Protons and neutrons
Electrons
10
What results from cartilage wear?
Sinusitis
Tennis elbow
Bursitis
Osteoarthritis
11
What is true in negative feedback?
Deviations are detected
Effector activates sensor
Stimulus amplifies change
Sensor is not needed
12
Which one is a lipid?
Glycogen
Cholesterol
Alanine
Cellulose
13
Can a hypothesis be proven true?
False
True
14
What is not connective tissue?
Muscle
Blood
Bone
Cartilage
15
What are fast-twitch fibers useful for?
Lifting weights
Distance running
Biking
Swimming
16
What is true in eukaryotic cells?
Genetic material in nucleus
Cell wall of cellulose
Possess flagella and cilia
Genetic material in mitochondria
17
What increases cell surface area?
Receptors
Microvilli
Transport proteins
Flagella
18
What causes osteoporosis?
Canaliculi, osteoclasts
Osteoclasts, osteoblasts
Chondroblasts, osteoclasts
Canaliculi, chondroblasts
19
What provides membrane strength?
Protein
Triglycerides
Cholesterol
Carbohydrates
20
What is true about deoxyhemoglobin?
Forms in high oxygen
Found in returning blood
Bright red color
Delivers oxygen to tissues
21
What is the scientific method sequence?
A, b, c, e
B, a, e, c
B, a, d, e
E, b, a, c
22
What is true about pH 8 water?
Contains equal ions
Highly acidic
Alkaline
More alkaline than pH 10
23
What causes mononucleosis?
Mononucleosis
Leukemia
Anemia
Septicemia
24
What is a tissue membrane in joints?
Basement membrane
Cutaneous membrane
Synovial membrane
Mucous membrane
25
Does carbon form four covalent bonds?
True
False
26
What bonds hold water molecules?
Ionic; covalent
Ionic; hydrogen
Covalent; hydrogen
Hydrogen; covalent
27
What describes muscle types differences?
Gap junctions in skeletal
Only cardiac under voluntary control
Smooth and cardiac do not fatigue
Cardiac muscle only by nerves
28
Why is cellular respiration essential?
Stimulates catabolism
Harvests energy to make ATP
Anabolic reactions for DNA
Releases energy from reactions
29
What removes damaged organelles?
Centrioles
Mitochondria
Lysosomes
Ribosomes
30
What creates proteins?
Monosaccharides; dehydration
Fatty acids; hydrolysis
Amino acids; dehydration
Nucleotides; condensation
31
What tissue generates electrical signals?
Connective
Muscle
Dermis
Nervous
32
What is true regarding skin?
Melanocytes produce calcium
Melanocytes in dermis
Keratin provides waterproofing
Many blood vessels in epidermis
33
What is the blood type with agglutination?
O
A
B
AB
34
What is true about fibrous joints?
Include hinge joints
Present at birth in skull
Freely movable
Separated by fluid-filled cavity
35
What maintains constant internal environment?
Evolution
Chemistry
Homeostasis
Metabolism
36
Why do bones lengthen in childhood?
Osteoblasts activity
Bone remodeling
Ossification after puberty
Growth plate in epiphysis
37
Why are athletes' bones thicker?
Lower blood calcium levels
Weight-bearing increases mass
Low parathyroid hormone
Produce more growth plates
38
What are anabolic reactions?
Anaerobic
Catabolic
Anabolic
Aerobic
39
What supports a cell's cytoskeleton?
Flagella and cilia
Microtubules and microfilaments
Rough endoplasmic reticulum
Ribosomes and reticulum
40
What separates neighboring vertebrae?
Ribs
Intravertebral disks
Osteons
Intervertebral disks
41
Which taxa order is correct?
Domain, kingdom, family
Domain, kingdom, phylum
Kingdom, domain, phylum
Family, genus, species
42
What muscle contracts involuntarily?
Striated
Smooth
Intercalated
Skeletal
43
What produces lactic acid?
Oxygen
Calcium
Protein
Actin and myosin
44
What describes stratified squamous epithelium?
One layer of flat cells
Several layers of flat cells
Several layers of tall cells
Contracting protein fibers
45
Why is water an excellent solvent?
Maintains unstable temperature
Rearranges bonds
Semi solid at body temp
Dissolves ionic compounds
46
What are synergistic muscle groups?
Synergistic
Involuntary
Sarcomeres
Myofibrils
47
How does DNA differ from RNA?
Is single stranded
Contains phosphates
Contains cytosine
Contains deoxyribose
48
What contains genetic material?
Cell wall
Lysosome
Cytoplasm
Nucleus
49
What is true about active transport?
Molecules attach to phospholipids
Relies on diffusion
Equalizes concentration
Requires energy input
50
What is a group of similar cells?
Organism
Tissue
Community
Organ
51
Which organization sequence is correct?
Tissues, organ systems
Atoms, cells, organs
Cells, tissues, organs
Atoms, cells, organism

Biology Basics Flashcards | StudBud