| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
In the metric system, what prefix represents 10-3?
centi |
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mega |
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kilo |
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milli |
In the metric system, milli is the prefix for 10-3.
In a eukaryotic cell, which organelles deal with proteins?
all of these deal with proteins |
|
endoplasmic reticulum |
|
Golgi apparatus |
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ribosomes |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles. Ribosomes produce proteins, endoplasmic reticulum helps synthesize proteins and fats, and Golgi apparatus prepares proteins for use.
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
arthropod |
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spiny |
|
vertebrate |
|
sentient |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
results |
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reactants |
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products |
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side effects |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
Secondary consumers that also eat producers are known as:
herbivores |
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omnivores |
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carnivores |
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scavengers |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.