Biology OST Review

Which of the following is NOT one of the the six elements of life

• Oxygen

• Carbon

• Helium

• Phosphorus

A class of chemical called a neurotransmitter is important in the transmission of nerve impulses. Neurotransmitters are packaged by the cell into small, membrane-bound sacs called vesicles. Upon receiving a chemical signal, the vesicles move toward the plasma membrane and fuse with it, releasing the enclosed neurotransmitters from the terminal end of the nerve cell. Which organelle is most likely responsible for packing neurotransmitters into a vesicle?

• Mitochondria

• Ribosome

• Nucleus

• Golgi body/ apparatus

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Who is Charles Darwin ?

• the ship that many scientists and naturalist traveled upon when making many discoveries about different species

• a famous naturalist who described Natural Selection as the mechanism behind evolution. He traveled around Southeast Asia only making many observations.

• a famous naturalist who was the FIRST to describe Natural Selection as the mechanism behind evolution, from his observations in the Galapagos.

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What is another word for Natural Selection?

• also known as phyletic gradualism

• also known as survival of the fittest

• also known as the Law of Use and Disuse

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Evolution was also called by Charles Darwin...

• The Law of Use and Disuse

• Phyletic Gradualism

• Descent with Modifications

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The Origin of Species is...

• A book written and published by Charles Darwin, describing natural selection and descent with modification

• A scientific theory explaining that parts of an organism's body that is used will become more developed, parts that are not used may become smaller and disappear

• a description of how the physical world behaves

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Brian is currently studying biology. He loves looking at the world around him and trying to find out why everything works the way it does in nature. He is always observing and inferring. He asks a ton of questions and tries to find the answers. What scientific attitude is Brian exemplifying?

• honesty

• skepticism

• bias

• curiosity

Which title is the best?

• Plant Growth and Colored Light

• The Effect of Light on Plants

• Colored Lights Make Plants Grow Tall

• The Effect of Colored Lights on Bean Plant Height

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Which is a valid hypothesis?

• I think that fertilizer is good for plants.

• If a plant gets fertilizer it will be better.

• If a plant grows taller, then it will get fertilizer.

• If a plant is grown with fertilizer, then it will grow taller.

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Which of the following is a primary function of the cell membrane in biological cells?

• A) Energy production

• B) Protein synthesis

• C) Regulation of substances entering and leaving the cell

• D) DNA replication

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