Which organelle is known as "the powerhouse of the cell"?
The mitochondria
The atomic number is the number of _ in an atom
Protons
Which famous physicist is credited with the invention of calculus and is known for his 3 laws of motion?
Sir Isaac Newton
What is the area of a triangle with a base of 4 in and a height of 3 in?
6 in2
What does the following Python code print:
a = '1'
b = '2'
print(a + b)
12
The process plants use to convert sunlight, water, and carbon dioxide into glucose and oxygen is called...
Photosynthesis
A _ is a substance made of multiple elements
What is the approximate value of the acceleration due to gravity (g) on Earth?
9.8 m/s2
Find the value of x in the following equation:
7x - 1 = 5x + 1
x = 1
Given A is False and B is True, evaluate the following:
not A and (A or B)
True
What is an allele?
A specific variant of a gene.
Elements that share one or more electrons are _ bonded.
Covalently
If speed is a scalar quantity, what kind of quantity is velocity?
A vector quantity
If sinθ = 3/5, then cosθ =
4/5
Convert the following to hexadecimal: 101101012
0xB5
What is the chemical formula for cellular respiration?
C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP
How many electrons does an Na+ ion have?
10 electrons
2 identical strings are holding up a ball weighing 15 N. What is the tension on each string?
7.5 N
Solve for z:
x - y + 4z = 1
2x + y + 2z = -1
x + 2y + 6z = -6
z = -1/2
What mathematical operation does the following Python function perform:
def func(num): #num is a non-negative integer
if num == 0 or num == 1:
return 1
return num * func(num-1)
Factorial
Population size is typically modeled by a _ equation, given a carrying capacity
Logistic
_ was a Russian chemist known for formulating the periodic law and creating a version of the periodic table of elements.
Dmitri Mendeleev
Which famous physicist is known for his 3 laws of planetary motion?
Johannes Kepler
Solve for x:
log2(5x+9) - log2(2x - 3) = 3
x = 3
What single line of code (Hint: A mathematical expression) can replace the body of func()?
def func(n): #n is a positive integer
total = 0
for i in range(n + 1):
total += i
return total
return n * (n+1) // 2