Why were bacteriophages used in the Hershey-Chase experiment?
The bacteriophage, a vital part of this experiment, is a virus that infects and replicates inside a bacterium. Hershey and Chase used them in their experiment, along with bacterial cells, to determine whether DNA or protein was the genetic material that is required for growth.
Why were bacteriophages used in the Hershey-Chase experiment quizlet?
Importantly, they showed that phage DNA enters the host cell and directs phage reproduction. This showed that DNA was the genetic material that was passed down from the virus to a cell and thus DNA was the material that is passed from a cell to another cell.
What type of organism did Hershey and Chase choose to use for their experiment?
E. Coli
Which of the following best describes the structures of carbohydrates?
Which of the following best describes the structures of carbohydrates? They occur as monomers, chains of monomers, and branched structures. The carbohydrates have different properties because they have different arrangements of carbon, hydrogen, and oxygen atoms.
What best describes the hydrolysis of carbohydrates?
Hydrolysis refers to reaction with water. When water molecules are added to carbohydrates, the bonds between the sugar monomers are broken. This is the chemical reaction known as hydrolysis reaction.
What describes the structure of carbohydrates?
The general empirical structure for carbohydrates is (CH2O)n. They are organic compounds organized in the form of aldehydes or ketones with multiple hydroxyl groups coming off the carbon chain. The building blocks of all carbohydrates are simple sugars called monosaccharides.
Which phrase describes the structure of carbohydrates?
Answer: The correct answer is C. Carbohydrates are large molecules made up of monosaccharides and are used by organisms for energy storage. Carbohydrates are the large group of organic compounds, which are comprised of Carbon, hydrogen, and Oxygen.
What is another name for polymers of carbohydrates?
polysaccharide
What is another name for the polymers of carbohydrates quizlet?
What is the name of the reaction that builds carbohydrates?
Dehydration synthesis
What substance would need to be added in order to reverse the reaction?
The substance that would be added in order to reverse the reaction would be any substance that is found in the product side. Adding a substance that tends to be a product will shift the equilibrium of the system and will allow the reaction to produce the substances that is found in the reactant side.
What is the function of carbohydrates in our body?
Carbohydrates serve several key functions in your body. They provide you with energy for daily tasks and are the primary fuel source for your brain’s high energy demands. Fiber is a special type of carb that helps promote good digestive health and may lower your risk of heart disease and diabetes.
What are the three classes of carbohydrates?
There are three main types of carbohydrates:
- Sugars. They are also called simple carbohydrates because they are in the most basic form.
- Starches. They are complex carbohydrates, which are made of lots of simple sugars strung together.
- Fiber. It is also a complex carbohydrate.
What are the classes of carbohydrates and give examples?
The simplest carbohydrates are the three carbon dihydroxyacetone and trioses glyceraldehyde. They are further classified into glucose, fructose, galactose, and mannose….1. Monosaccharides:
| Aldoses | Ketoses | |
|---|---|---|
| (C₄H₈O₄) Tetroses | Erythrose | Erythrulose |
| (C₅H₁₀O₅) Pentoses | Ribose | Ribulose |
| (C₆H₁₂O₆) Hexoses | Glucose | Fructose |
What is carbohydrates and examples?
Carbohydrates are thought to be the most abundant organic substances in nature. They can be broadly divided into two main groups; simple carbohydrates (or sugars) and complex carbohydrates (AKA starches). Common examples of simple carbohydrates include glucose, fructose, galactose, sucrose, lactose, and maltose.
What are carbohydrates and how they are classified?
Carbohydrates are divided into four types: monosaccharides, disaccharides, oligosaccharides, and polysaccharides. Monosaccharides consist of a simple sugar; that is, they have the chemical formula C6H12O6. Disaccharides are two simple sugars.
Which is reducing sugar?
A reducing sugar is any sugar that is capable of acting as a reducing agent because it has a free aldehyde group or a free ketone group. The common dietary monosaccharides galactose, glucose and fructose are all reducing sugars.
Why acetic acid is not a carbohydrate?
The main reasons for it NOT being considered a carbohydrate is because: It is a small molecule, even though it satisfies the (CH2O)2 empirical formula rule. It does not directly provide energy to the body; metabolism of acetic acid is somewhat complicated. acetic acid is not neutral – it is an acid.
Why Carbohydrates are called saccharides?
In biochemistry, carbohydrates are often called saccharides, from the Greek sakcharon, meaning sugar, although not all the saccharides are sweet. They are the building blocks (monomers) for the synthesis of polymers or complex carbohydrates, as will be discussed further in this section.