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Teas Science > Teas Science > Flashcards

Teas Science Flashcards

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Biology 101 flashcards
1
Q

Which of the following organelles is surrounded by a unit membrane?

A

peroxisomes

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2
Q

What hormone(s) are associated with the endometrium of the uterus?

A

estrogen and progesterone

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3
Q

Which cycle best describes the process in photosynthesis to convert molecules into sugar?

A

the Calvin Cycle

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4
Q

A ball was dropped from the roof of a 120 foot building. It took 45 seconds to hit the ground. At what speed did the ball travel?

A

160fpm

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5
Q

Shivering due to going outside in the chilly weather is an example of which of the following?

A

homeostasis

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6
Q

What must first occur before the cell can be divided to grow, develop, and reproduce organisms?

A

DNA replication

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7
Q

Suppose the population of a certain city is 20,000 people. Over a year, 0.01% of the population dies, 300 babies are born, and 0.09% of the population leaves the city. What is the new population?

A

20,280

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8
Q

Which of the following best describes an electron?

A

The negatively charged particles in the atom

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9
Q

Which of the following best describes an electron?

A

endocrine

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10
Q

Which of the following best describes cations?

A

a positively charged element

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11
Q

What is the first stage of mitosis?

A

prophase

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12
Q

The 5 kg fan blades are rotating at 3m/s2. How much force is being used to allow this to occur?

Force = mass x acceleration (m/s2 )

Force is measured in Newtons (N)

A

15N

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13
Q

What kind of cell can live independently of other cells?

A

prokaryotic

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14
Q

A solution with a pH of less than 7 is considered to be …

A

acidic

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15
Q

If the temperature of a room is 12 degrees Celsius, what is it in Fahrenheit?

The formula for converting Celsius to Fahrenheit is:

Temperature in Celsius x 9/5 + 32.

A

53.6

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16
Q

Which of the following is an organized structure of DNA and protein in the cells?

A

chromosome

17
Q

In which of the following phases of matter do molecules exert little or no attraction to on another because they move at high speeds?

A

gas

18
Q

Which of the following is a principle function of the muscular system?

A

heat production

19
Q

Which of the following is a principle function of the muscular system?

A

circulatory system

20
Q

Which of the following phases of matter are made up of electrons and positive ions?

A

plasma

21
Q

Which of the following is the neurotransmitter that stimulates the appetite for fatty foods?

A

galanin

22
Q

An atom that has a net electric charge is know as which of the following?

A

ion

23
Q

An atom that has a net electric charge is know as which of the following?

A

cholecystokinin

Teas Science (1 decks)

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