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BSCI 135 Exam 1 Questions with 100% Correct Answers

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BSCI 135 Exam 1 Questions with 100% Correct Answers Scientific Method - 1. Observation 2. Hypothesis: educated, testable guess 3. Experiments: test hypothesis 4. Data Interpretation 5. Conclusion: analyze results, support or reject hypothesis Theory - a hypothesis that has survived many test...

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  • October 10, 2024
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BSCI 135 Exam 1 Questions with 100%

Correct Answers


Scientific Method - ✔✔1. Observation

2. Hypothesis: educated, testable guess

3. Experiments: test hypothesis

4. Data Interpretation

5. Conclusion: analyze results, support or reject hypothesis

Theory - ✔✔a hypothesis that has survived many tests and all other

competing hypotheses have been disproved

Law - ✔✔a extensively tested theory, based on evidence, no conflicting

data

Features of Living Things - ✔✔1. Highly organized

2. maintain stable composition

3. use energy from environment

4. respond to stimuli

5. Grow and develop

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

6. Reproduce

7. Show variations based on heredity

8. Adapt to environment

Plants are... - ✔✔1. multicellular organisms

2. cellulose-rich cell wall

3. chlorophyll and photosynthetic

4. adapted to life on land (or have descended from land plants)

Plant structure - ✔✔-Shoot

-Root

Shoot - ✔✔-usually above ground

-flowers: where reproduction occurs; fruit and seeds develop

-leaves: site of photosynthesis; blade, petiole

-node: where leaf is attached to the stem

-stem: holds leaves, transports water and nutrients, provides support above

ground

Root - ✔✔-usually below ground

-anchors plant

-absorbs water and minerals

2 Types of nutrients - ✔✔-Macronutrients

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

-Micronutrients

Calories - ✔✔-a measure of energy

-amount of energy needed to raise 1 gram of water 1 degree celsius

-food energy is measured in kilocalories (1000 calories)

-humans need 1,200-3,200/day depending on age, sex, and activity level

Macronutrients - ✔✔-needed in large amounts

-3 types: Carbohydrates, Proteins, Fats

Carbohydrates

-type of...

-composed of...

-3 types: - ✔✔-type of macronutrient

-composed of C,H, and O

-3 types: Monosaccharides, Disaccharides, and Polysaccharides

Monosaccharides - ✔✔-type of carbohydrate

-basic building block of all carbohydrates

-ex. glucose (most abundant type, metabolized during cellular respiration

for energy), fructose, and galactose

Disaccharides

3 - ✔✔-composed of two monosaccharides

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

-no nutritional value, only calories

-ex. Lactose (milk sugar), maltose, sucrose (glucose + fructose; table

sugar)

Polysaccharides - ✔✔-chain of monosaccharides

-AKA complex carbohydrates

-ex. starch (long glucose chain stored in plants), glycogen (storage form of

glucose in humans), fiber (derived from plants)

Fiber

type of...

comes from...

not ______ but provides ________

can be __________ or ____________ - ✔✔-type of polysaccharide

-comes from cellulose (cell wall of plants)

-not digestible but provides bulk

-can be soluble (reduces cholesterol levels and risk of heart disease) or

insoluble (absorbs water, prevents constipation, and certain cancers)

Proteins - ✔✔-type of macronutrient

-large complex molecules that perform many functions in the body

-made up of smaller building blocks called amino acids

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