Net Exports in the United States Are

question 148

Multiple Choice

Net exports in the United States are:

• A) Always positive.
• B) Greater than federal government expenditures as a percentage of GDP.
• C) Included in the calculation of GDP.
• D) The sum of exports and imports.

Learn about plant cellular structures and their functions, including companion cells.

Understand the movement of water between the apoplast and symplast.

Describe the process and significance of bulk flow in plant transport systems.

Master the mechanism of loading and unloading in phloem translocation.

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Definitions:

Chloroplast

Organelle of photosynthesis in plants and photosynthetic protists. Light-dependent reactions occur at its inner thylakoid membrane; light-independent reactions, in the stroma.

Thylakoid Membrane

A membrane-bound structure within chloroplasts that contains chlorophyll, where the light-dependent reactions of photosynthesis occur.

Photosystems I and II

Components of the photosynthetic process in plants and algae, capturing light energy for ATP and NADPH production.

Thylakoid Membrane

A compartment enclosed by a membrane within chloroplasts and cyanobacteria, where light-dependent photosynthesis reactions take place.