PBS Practice Final Exam - v2

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What part of the blood carries hemoglobin?
Back
Erythrocytes (red blood cells) carry hemoglobin, which is responsible for transporting oxygen throughout the body.
2.
FLASHCARD QUESTION
Front
What is the variable that is manipulated in an experiment called?
Back
The independent variable is the one that is manipulated or changed in an experiment to observe its effects.
3.
FLASHCARD QUESTION
Front
If a blood sample clumps with anti-A serum but not with anti-B serum, what is the blood type?
Back
The blood type is A.
4.
FLASHCARD QUESTION
Front
Which component of blood helps to stop bleeding when there is a cut?
Back
Platelets are responsible for blood clotting and stopping bleeding.
5.
FLASHCARD QUESTION
Front
What is the term for minute pieces of evidence not readily seen at a crime scene?
Back
Trace Evidence refers to small pieces of evidence that can provide important information in forensic investigations.
6.
FLASHCARD QUESTION
Front
What is the function of leukocytes in the blood?
Back
Leukocytes (white blood cells) are responsible for the immune response and help protect the body against infections.
7.
FLASHCARD QUESTION
Front
What is plasma in the context of blood?
Back
Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.
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