BIO108 Quiz 1

The body is attempting to maintain temperature homeostasis, this is an example of which core concept?

• A. Structure & Function

• B. Information Flow, Exchange & Storage

• C. Pathways 7 Transformations of Energy & Matter

• D. Systems

• E. Evolution

2. A neuron has an axon that allows it to send signals over a long distance, this is an example of which core concept?

• A. Structure & Function

• B. Information Flow, Exchange & Storage

• C. Pathways & Transformation of Energy & Matter

• D. Systems

• E. Evolution

Humans at the equator have developed darker skin to protect them from the damaging effect of sunlight, this is an example of which core concept?

• A. Structure & Function

• B. Information Flow, Exchange & Storage

• C. Pathways & Transformations of Energy & Matter

• D. Systems

• E. Evolution

The cardiovascular system and the respiratory system work together to deliver oxygen to the tissue of the body, this is an example of which core concept?

• A. Structure & Function

• B. Information Flow, Exchange & Storage

• C. Pathways & Transformations of Energy & Matter

• D. Systems

• E. Evolution

During transcription, mRNA is made from DNA. Then during translation, protein is made from mRNA. This is an example of which core concept?

• A. Structure & Function

• B. Information Flow, Exchange & Storage

• C. Pathways & Transformations of Energy & Matter

• D. Systems

• E. Evolution

How are the nervous system and endocrine system similar?

• A. Effects of both the nervous system and the endocrine system are immediate & short-lasting.

• B. The nervous system works antagonistically to the endocrine system to achieve homeostasis.

• C. Cells of both the nervous system and the endocrine system release chemicals to communicate with cells.

• D. Both the nervous system and the endocrine system operate over a series of neurons to directly affect target cells.

What is a major function of the endocrine system?

• A. The endocrine system communicates directly with target cells through the use of neurotransmitters.

• B. The endocrine system releases hormones into the bloodstream to reach receptors on target cells.

• C. The endocrine system produces immediate, short-lasting effects.

• D. The endocrine system secretes products into ducts that lead to body surfaces or cavities.

All target cells:

• A. Have receptors to which hormones bind.

• B. Are found in the blood.

• C. Secrete hormones.

• D. Produce their own hormones.

What type of hormone usually travels in the blood plasma bound to a protein?

• A. Hydrophilic hormones

• B. Free hormones

• C. Hydrophobic hormones

• D. Neurotransmitters

What often serves as the second messenger when a hydrophilic amino-acid based hormone binds its receptor?

• A. cAMP

• B. G-protein

• C. Protein kinase

• D. Adenylate cyclase