Biology lecture 6

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During photosynthesis,________ is oxidized, while________ is reduced.

water; carbon dioxide

Which energy association is correct?

A fish swimming through the water is an example of kinetic energy.

Which compounds link the light reactions with the Calvin cycle reactions?

ATP and NADPH

The light reactions produce________, which are used in the Calvin cycle. The Calvin cycle releases________, which return to the light reactions.

ATP and NADPH; ADP and NADP

In a high latitude rainforest, the dominant type of photosynthesis is most likely to be

C3

A small, low-growing plant found on the surface of a sun-exposed rock in a desert would most likely use which type of photosynthesis?

CAM

Which of the following is an example of osmosis?

Cells in our kidneys reabsorb water to reduce the amount of water lost in our urine.

What two things are added to NADP+ to convert it into NADPH?

H+ and electrons

The O2 given off during photosynthesis is derived from

H2O

Which of the following is a by-product of photosynthesis that is used during cellular respiration?

Oxygen

Why do leaves and vegetables with high concentrations of carotenoids appear yellow or orange?

The carotenoids reflect yellow and orange wavelengths of light.

Which of the following is an example of potential energy rather than kinetic energy?

a bowl of oatmeal made up of energy-rich macromolecules

In photosynthesis, the light reactions________ while the Calvin cycle________.

capture solar energy to produce ATP and NADPH; uses ATP and NADPH to produce sugar

The results of an experiment are referred to as the:

data

Surface-to-volume ratio is an important characteristic for cell function; some cells increase their ratio by

developing finger-like projections.

When a car burns gasoline, much of the energy is released in the form of heat. Which of the following best describes this process in relation to the first law of thermodynamics?

energy can be changed from one form to another

Simple diffusion of molecules occurs

in non-living systems as well as living systems

This type of reasoning occurs whenever a person uses creative thinking to combine isolated facts into a cohesive whole.

inductive

Compared with a eukaryotic cell, a prokaryotic cell

lacks organelles beyond ribosomes.

Large molecules are made of repeating units called ___

monomers

Elements that differ in their________ are known as isotopes

neutron number

Which of the following splits H2O during the light reactions of photosynthesis?

photosystem II (PSII)

Both plants and animals need mitochondria to

produce ATP

Which of the following methods of transport uses a coated pit to take in a specific type of molecule?

receptor-mediated endocytosis

Which of the following is a correct match?

ribosomes - protein synthesis

Once the substrate moves into the active site of the enzyme,

the enzyme alters in shape to more closely fit the substrate.

The light-harvesting complexes of a chloroplast are located in the________; the enzymes of the Calvin cycle reactions are located in the________.

thylakoid membrane; stroma


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