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BIOL 2301 Final Exam Review

BIOL 2301 Final Exam Review

Assessment

Flashcard

Biology

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the correct order of events in muscle contraction?

Back

1. Motor neuron AP 2. Neurotransmitter release 3. Muscle cell AP 4. Release of Ca from SR 5. ATP-driven power stroke 6. Sliding of myofilaments

2.

FLASHCARD QUESTION

Front

What is the pattern used in endochondral ossification for forming long bones?

Back

Hyaline cartilage

3.

FLASHCARD QUESTION

Front

What describes secondary active transport across a membrane?

Back

Glucose moving across the membrane against its concentration gradient using the movement of sodium ions moving along their gradient.

4.

FLASHCARD QUESTION

Front

What type of feedback mechanism is illustrated by low thyroid hormone levels stimulating the thyroid gland to secrete more hormone?

Back

Negative feedback

5.

FLASHCARD QUESTION

Front

Which of the following is NOT a function of the skin?

Back

Gives the body its overall shape, loss of this function can be seen with the drooping of skin with age.

6.

FLASHCARD QUESTION

Front

Define muscle cell action potential (AP).

Back

A rapid change in membrane potential that occurs when a muscle cell is stimulated, leading to muscle contraction.

7.

FLASHCARD QUESTION

Front

What is the role of calcium ions (Ca) in muscle contraction?

Back

Calcium ions are released from the sarcoplasmic reticulum and bind to troponin, allowing myosin to bind to actin and initiate contraction.

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