Cumulative Exam — Cumulative exam Answers

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43

Which are components of cell theory? Check all that apply.All living things are made of cells.Cells are the basic unit of structure and function of all living things.All cells come from other cells.All cells come from nonliving matter.Cells make up most organisms, but not all.

A
All living things are made of cells.
B
Cells are the basic unit of structure and function of all living things.
C
All cells come from other cells.
D
All cells come from nonliving matter.
E
Cells make up most organisms, but not all.
44

Which of the following best describes hair?

A
Hair is made of mostly tightly packed living cells.
B
Hair does not help control body temperature.
C
Hair growth occurs in the hair follicle.
D
Hair grows at 2.5mm a month.
45

Doctors are investigating the case of a patient with defective proteins. Which organelle is most likely the cause?

A
mitochondrion
B
cell membrane
C
cytoplasm
D
ribosome
46

When a small object touches a person’s eye, they will automatically blink.Which term best describes this type of response to a stimulus?

A
sensation
B
reflex
C
decision
D
influence
47

Which occurs during digestion?

A
The mouth only allows for physical digestion.
B
The mouth only allows for chemical digestion.
C
Chemical digestion prepares the food for physical digestion.
D
Physical digestion prepares the food for chemical digestion.
48

Which is the best description of a scientific theory?

A
a statement about how two different variables are related
B
a collection of laws that are explained the same way
C
an explanation of many observations and tested hypotheses
D
an accepted fact that has always been observed to be true
49

The digestive system and the excretory system both excrete waste.Which best describes how waste is secreted in each system?

A
The digestive system excretes a liquid waste and the excretory system excretes a solid waste.
B
Both systems excrete waste as a liquid.
C
Both systems excrete waste as a solid.
D
The digestive system excretes a solid waste and the excretory system excretes a liquid waste.
50

Which is the process that involves the collection of information and ideas supported by evidence?

A
science
B
systematics
C
pseudoscience
D
hypothesis

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