gen bio quiz

Joshua Timbol · 65問 · 2年前

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問題一覧

is a good source of carbohydrates.

Bread

Used as a source of energy, ____ are a class of biomolecules that includes sugar and polymers

Carbohydrates

Carbohydrates such as ___ act as structural molecules in the cell wall of plants.

cellulose

Carbohydrates such as ____ act as structural molecules in the exoskeleton of crutaceans.

chitin

Carbohydrates such as chitin act as structural molecules in the ____ of crustaceans.

exoskeleton

Carbohydrates such as cellulose act as structural molecules in the ____ of plants.

cell wall

These are organic compounds that primarily consist of carbon, hydrogen, and oxygen that occur in a ____

1:2:1 ratio

is the primary source of sugars, particularly glucose, for cells of plants themselves and for the rest of the organisms of an ecosystem.

Photosynthesis

simple sugars

Monosaccharides

two to ten monosaccharides

Oligosaccharides

hundreds to thousands of monosaccharides monomers

Polysaccharides

are the monomers and fundamental units of carbohydrates that cannot be further broken down or hydrolyzed into smaller sugars.

Monosaccharides

What are the types of monosaccharides?

aldoses or ketoses.

are sugar units that contain an aldehyde group

Aldoses

aldoses are sugar units that contain an ___ group

aldehyde

are sugar units that contain a ketone group

Ketoses

Ketoses are sugar units that contain a ___ group

ketone

, which is also known as dextrose, is the form that circulates in our bloodstream.

Glucose

occurs in ripe and sweet fruits, such as mangoes, the sweetest fruit on the planet.

Fructose

Sweetest fruit in the world

Mango

makes up the sugar in milk

Galactose

, a pentose, is a major structural component of DNA nucleotides.

Deoxyribose

These are molecules with the same molecular formula but different structures.

Isomers

The hexoses ___ are considered isomers.

glucose, galactose, and fructose

These are ring-shaped conformations of monosaccharides which is favorable in aqueous solutions.

pyranose ring

What are the two conformations of glucose?

The a-glucose and B-glucose

If the OH group of the Clis "below the ring" or on the opposite side of the CH,OH group, it is an _____.

a-glucose

If the OH group of the Cl is "above the ring" or on the same side as the CH20H group, it is a ____.

B-glucose

oligo= Sacchar=

few,sugar

are formed by dehydration synthesis.

Disaccharides

also known as condensation reaction, occurs when the hydroxyl group of glucose combines with the hydrogen of fructose.

Dehydration synthesis

When two monosaccharides are combined into a disaccharide, a glycosidic bond (_____) holds them together.

a-1,2 glycosidic linkage

in plants is abundant in sugarcane, which is processed to produce table sugar.

Sucrose

in barley can be fermented to produce alcoholic beverages.

Maltose

is the major sugar found in cow's milk.

Lactose

, a trisaccharide, is found in cabbages and asparagus.

Raffinose

Poly= Sacchar=

Many,sugar

are large molecules that consist of hundreds to thousands of monosaccharide monomers. They are long chains of complex carbohydrates. are composed of very long chains of monosaccharides. The orientation of bonds and the presence of branching determine their properties.

Polysaccharides

is the primary storage polysaccharide in plants.

Starch

Two types of starch

Amylose,Amylopectin

is the storage polysaccharide in animal and fungal cells.

Glycogen

is the major component of plant cell walls, which makes it the primary structural carbohydrate in plants.

Cellulose

mono= sacchar=

one,sugar

molecules occur in very long fibers of glucose chains. The glucose units are bound by B-1,4 glycosidic linkage

cellulose

sucrose is made up of?

glucose+fructose

maltose/malt sugar is made up of?

Glucose+Glucose

lactose is made up of?

Glucose+Galactose

Raffinose is made up of?

glucose+fructose+galactose

involves several pathways.

Carbohydrate metabolism

Those with the suffix - lysis are ____ mechanism

catabolic

those with the suffix - genesis are ____ processes.

anabolic

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