| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.69 |
| Score | 0% | 74% |
Heredity is the passing on of physical or mental characteristics genetically from one __________ to another.
generation |
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species |
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family |
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cell |
Heredity is the passing on of physical or mental characteristics genetically from one generation to another. Heredity is made possible via large strings of chromosomes which carry information encoded in genes.
In cell biology, where does DNA replication take place?
mitochondria |
|
cytoplasm |
|
nucleus |
|
Golgi apparatus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Which of these is not a component of blood?
plasma |
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red blood cells |
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white blood cells |
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marrow |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
endoskeleton |
|
vertebrate |
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bone |
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exoskeleton |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
The __________ nervous system regulates involuntary activity in the heart, stomach, and intestines.
peripheral |
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central |
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autonomic |
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somatic |
Part of the peripheral nervous system, the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.