Open Scied Genetics L1-4 Review

There are variations in muscle sizes of cattle. For example, some cattle have big muscles, some have small muscles, and some are in between.

• True

• False

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Proteins are important structures in the body made of

• proteins

• atoms

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NGSS.MS-LS3-1

Muscles move by contracting and relaxing with help from proteins called

• Myspace and Acspace

• Atoms

• Proteins and Enzymes

• Actin and Myosin

How are big muscle cells different than typical ones?

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NGSS.HS-LS1-4

Which of the following is most important for muscle growth?

• Eating protein

• Doing a little exercise

• Eating carbs

• Lots of exercise

What happens if you stop working out but eat protein?

• Muscle mass remains the same

• Muscle mass will decrease at a slower rate

• Muscle mass will increase

• Muscle mass will increase at a slower rate

Do you think exercise and diet are the only factors that contribute to big muscled animals? EXPLAIN

How do muscle fibers get bigger?

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NGSS.HS-LS1-1