Match the plant organ to its function.

Transport of water and nutrients

Match the plant response to its description.

Turning or bending of a plant in response to contact with an object

Growth of a plant toward a light source

Plant stems grow upward, against gravity, and roots grow toward the gravitational pull

Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. How are ferritin and glycogen similar in their primary functions for an organism?

Both store materials needed by the organism.

Both store energy used by the organism.

Both support the structure of the organism.

Both store information for the organism.

The complex carbohydrates pictured are made by linking molecules of glucose. In all three complex carbohydrates, the subunits of glucose are bonded together differently. Because they have different structures, they most likely —

contain different chemical elements.

Proteins and polysaccharides are polymers. These polymers are formed by dehydration synthesis. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?

Only proteins are formed from amino acids joined by peptide bonds.

Only polysaccharides are comprised of repeating units of cytosine, adenine, guanine, and thymine.

Only polysaccharides can be folded and twisted to very specific shapes.

Only proteins can be large molecules with thousands of subunits.

Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes?

Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.

Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.

Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.

Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.

A model of two structures that perform cellular processes is shown. What are the products of the cellular processes in these organelles?

I: carbon dioxide and water II: glucose and oxygen

I: glucose and carbon dioxide II: oxygen and water

I: carbon dioxide and oxygen II: glucose and water

I: oxygen and glucose II: water and carbon dioxide

The graphs show the reaction rate for an enzyme across a range of temperatures and pH. Based on these data, this enzyme functions best at what temperature and pH?

Temperature of 37°C and a pH of 6

Temperature of 27°C and a pH of 4

Temperature of 40°C and a pH of 8

Temperature of 50°C and a pH of 10

Some foods that are rich in complex carbohydrates can be difficult to digest. Gas often forms as the foods are slowly digested by bacteria in the large intestine. The advertisement is for a nutritional supplement that prevents intestinal gas. Which of the following represents evidence that could be used to support the claims about this product?

Consuming enzymes specific for carbohydrate digestion helps the body digest complex carbohydrates more quickly in the stomach and small intestine.

Complex carbohydrates are found in vegetables and grains, which are good sources of fiber, vitamins, antioxidants, and minerals. Vegetables and grains are known to reduce the risk of heart disease.

Some nutritional supplements provide vitamins and minerals that are missing from a person's diet. These types of nutritional supplements contain important nutrients that reduce the risk of malnutrition.

Some nutritional supplements add beneficial bacteria to a person's diet. These bacteria populate the stomach and prevent carbohydrate digestion.

People who have Alzheimer's disease experience an increasing loss of brain function and cognition over time. Alzheimer's is characterized by a buildup of abnormal protein fragments that damage brain cells. Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer's disease. Which statement explains how BACE2 most likely works?

BACE2 speeds up the reaction that breaks down the abnormal protein fragments.

BACE2 breaks down into smaller pieces that react with the abnormal protein fragments, forming more complex molecules.

BACE2 molecules link several abnormal protein fragments together, forming a complete protein.

BACE2 is a reactant that combines with the abnormal protein fragments.

Which four body systems interact to allow a person to sneeze?

Muscular, immune, nervous, respiratory

Nervous, respiratory, circulatory, skeletal

Respiratory, endocrine, skeletal, circulatory

Lymphatic, skeletal, respiratory, muscular

During the final stages of human gestation, receptors for the hormone oxytocin increase on the smooth muscle cells of the uterus. The release of oxytocin during labor stimulates the smooth muscle tissue in the wall of the uterus. The vigorous contraction of the uterine smooth muscle helps push the baby through the birth canal so that delivery can occur. This process involves the interaction of which organ systems?

Endocrine, muscular, and reproductive

Endocrine and reproductive only

Endocrine, reproductive, and excretory

Fruits grown in hot climates are usually less sweet than those grown in cooler temperatures. The high temperatures increase the rate of respiration in the plant, thus reducing the sugar content in some fruits.

Sugars produced in the leaves are used as an energy source instead of being stored in fruits.

Chloroplasts move from the fruits to the leaves and stems to provide energy for respiration.

The flow of nutrients shifts from the phloem to the xylem, moving nutrients away from the fruits.

Sugars are moved from the fruits to the roots for storage.

A flower that has both male and female reproductive structures is shown. Which statement best describes an interaction that will allow a flowering plant to reproduce by self-pollination?

A pollen grain is transferred from an anther to the stigma of the same flower.

An anther is transferred from a filament to another filament within the same flower.

An ovule is transferred from the ovary to a petal on a different flower.

An ovary is transferred from a flower on one plant to a flower on a different plant.

Lobo Bio RC4

Authored by Alisa McElroy

Biology

9th - 12th Grade

NGSS covered

Used 9+ times

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40 questions

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MATCH QUESTION

45 sec • 1 pt

Match the biomolecule to its chemical composition.

CHONP

Carbohydrate

CHO

Lipid

CHON (sometimes S)

Protein

C₁H₂O₁

Nucleic Acid

MATCH QUESTION

45 sec • 1 pt

Match the biomolecule to its function.

Builds Structures

Protein

Stored Energy

Nucleic Acid

Quick Energy

Lipid

Genetic Information

Carbohydrate

LABELLING QUESTION

1 min • 1 pt

Fill in the table for the cellular processes listed.

CO2 + H2O + sunlight -> glucose + O

plants, animals

glucose + O2 -> ATP + CO2 + H2O

chloroplast

mitochondria

plants

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

NGSS.HS-LS1-5

DROPDOWN QUESTION

1 min • 1 pt

The image shows an enzyme being used to break apart a substrate. The enzyme is (a) after the reaction has completed.

unchanged

denatured

changed

FILL IN THE BLANK QUESTION

1 min • 1 pt

(a) is the regulation and maintenance of constant internal conditions in an organism

Tags

NGSS.HS-LS1-3

MATCH QUESTION

1 min • 1 pt

Match the image to the correct body system.

Endocrine

Nervous

Circulatory

Immune

Tags

NGSS.MS-LS1-3

HOTSPOT QUESTION

1 min • 1 pt

Which system(s) are responsible sending messages to regulate the body in response to the environment?

Tags

NGSS.HS-LS1-3

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Lobo Bio RC4

Match the biomolecule to its chemical composition.

Match the biomolecule to its function.

Fill in the table for the cellular processes listed.

The image shows an enzyme being used to break apart a substrate. The enzyme is (a) after the reaction has completed.

(a) is the regulation and maintenance of constant internal conditions in an organism

Match the image to the correct body system.

Which system(s) are responsible sending messages to regulate the body in response to the environment?

Which system(s) are responsible ensuring the body has the materials needed to complete cellular respiration by bringing in the reactants required?

Which system(s) are responsible protecting the body from illness and injury?

Which system(s) are responsible maintaining homeostasis?

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