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DAT 123 Test 1 Questions And Answers
[Show more]DAT 123 Test 1 Questions And Answers
[Show more]What does the endodermis do? - ANS regulates passage of substances from the soil into the vascular cylinder 
 
What is allelopathy? - ANS the chemical inhibition of one plant (or other organism) by another, due to the release into the environment of substances acting as germination...
Preview 3 out of 28 pages
Add to cartWhat does the endodermis do? - ANS regulates passage of substances from the soil into the vascular cylinder 
 
What is allelopathy? - ANS the chemical inhibition of one plant (or other organism) by another, due to the release into the environment of substances acting as germination...
If tan θ = 5/12 and sin θ > 0, then cos θ = ? 
 
a. -5/12 
b. 12/13 
c. 13/12 
d. -12/13 
e. 0 - ANS b. 12/13 
 
tanθ = opp/adj = 5/12 
c = sqrt(5^2 + 12^2) = sqrt(25 + 144) = sqrt(169) = 13 
cosθ = adj/hyp = 12/13 
 
If 60% of x equal to 30% of 20, then what is the value of (x + 5)...
Preview 3 out of 28 pages
Add to cartIf tan θ = 5/12 and sin θ > 0, then cos θ = ? 
 
a. -5/12 
b. 12/13 
c. 13/12 
d. -12/13 
e. 0 - ANS b. 12/13 
 
tanθ = opp/adj = 5/12 
c = sqrt(5^2 + 12^2) = sqrt(25 + 144) = sqrt(169) = 13 
cosθ = adj/hyp = 12/13 
 
If 60% of x equal to 30% of 20, then what is the value of (x + 5)...
assumptions of an ideal gas - ANS - ALL (g) molecules are in constant, rapid, and random motion 
- there are NO attractive OR repulsive forces between the gases 
- the V of the molecules is negligibly small compared to the V of the (g) 
- All collisions within the (g) are perfectly elastic ...
Preview 2 out of 9 pages
Add to cartassumptions of an ideal gas - ANS - ALL (g) molecules are in constant, rapid, and random motion 
- there are NO attractive OR repulsive forces between the gases 
- the V of the molecules is negligibly small compared to the V of the (g) 
- All collisions within the (g) are perfectly elastic ...
The resting potential of a neuron arises due to which of the following? 
 
A. the concentration of potassium ions in the extracellular space is greater than the concentration of sodium ions inside the axon. 
B. the concentration of potassium ions in the extracellular space is less than the concentra...
Preview 2 out of 8 pages
Add to cartThe resting potential of a neuron arises due to which of the following? 
 
A. the concentration of potassium ions in the extracellular space is greater than the concentration of sodium ions inside the axon. 
B. the concentration of potassium ions in the extracellular space is less than the concentra...
Office Emergency Routine - ANS What routine is followed in order to prevent a minor emergency from becoming serious? 
 
each person performs assigned functions - ANS During an office emergency routine which members of the dental team have a role? 
 
-notify dentist of the emergency...
Preview 2 out of 7 pages
Add to cartOffice Emergency Routine - ANS What routine is followed in order to prevent a minor emergency from becoming serious? 
 
each person performs assigned functions - ANS During an office emergency routine which members of the dental team have a role? 
 
-notify dentist of the emergency...
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