Which cell structure controls the movement of substances in and out?
Anonymous Quiz
27%
Cell wall
17%
Nucleus
49%
Plasma membrane
8%
Cytoplasm
What is an acid according to the Brønsted-Lowry definition?
Anonymous Quiz
15%
A substance that donates electrons
62%
A substance that donates protons (H⁺)
16%
A substance that accepts protons
7%
A conjugate base
Which planet has the longest day in the Solar System?
Anonymous Quiz
25%
Mercury
30%
Venus
19%
Earth
25%
Mars
❤1
Forwarded from English Quiz Go
❤1
What does an ammeter measure?
Anonymous Quiz
15%
Voltage
31%
Resistance
51%
Electric current
3%
Power
Which biological process removes mismatched nucleotides during DNA replication?
Anonymous Quiz
10%
Transcription
74%
DNA polymerase proofreading
8%
Translation
8%
Splicing
❤2
What is the name of the process by which plants produce oxygen?
Anonymous Quiz
25%
Respiration
67%
Oxygenic photosynthesis
5%
Fermentation
3%
Chemosynthesis
❤1
What is the density of a substance?
Anonymous Quiz
53%
Mass per unit volume
34%
Volume per unit mass
9%
Force per unit area
4%
Energy per unit temperature
❤1
🐳2❤1
What is the symbiosis between a fungus and an alga called?
Anonymous Quiz
22%
Mycorrhiza
45%
Lichen
14%
Epiphyte
19%
Obligate parasitism
Which metal is liquid at room temperature?
Anonymous Quiz
5%
Gallium
8%
Caesium
84%
Mercury
3%
Bromine
👍2❤1
What is a neutrino?
Anonymous Quiz
23%
A neutral proton
70%
A subatomic particle with near-zero mass and no charge
5%
A massless photon
3%
A type of quark
Which earthquake waves travel through fluids?
Anonymous Quiz
28%
P-waves (longitudinal)
49%
S-waves (transverse)
19%
Rayleigh waves
3%
Love waves
What is the chemical formula of sodium chloride (table salt)?
Anonymous Quiz
10%
NaOH
84%
NaCl
4%
Na₂O
2%
NaHCO₃
👍1
What does the law of conservation of mass state?
Anonymous Quiz
56%
The total mass of reactants equals the total mass of products
37%
Energy cannot be created or destroyed
7%
Gas speed is inversely proportional to molar mass
1%
Heat flows from hot to cold bodies
Which phenomenon allows plants to move water from roots to leaves?
Anonymous Quiz
19%
Reverse osmosis
23%
Capillarity and surface tension
56%
Root osmotic pressure and cohesion-tension
2%
Gravity alone