answersLogoWhite

0

🧪

Biochemistry

Biochemistry is the study of the structure, composition and chemical processes in all living organisms. It covers the structures and functions of various cellular components, including proteins, carbohydrates, nucleic acids, lipids, and other biomolecules.

8,065 Questions

Does sunlight effect radish growth?

Yes, sunlight is crucial for the growth of radishes as they require light for the process of photosynthesis. Lack of sunlight can result in stunted growth or poor development of the radish plants. Adequate exposure to sunlight allows radishes to produce energy for growth and development.

In which organ is biological activity of an enzyme present?

Enzymes are present throughout the entire body. Without these enzymes, simple chemical reactions would take too long to complete. Enzymes are best seen in the digestive system and in the stomach and small intestine. There, enzymes go to work breaking up nutrients such as proteins, carbs, and lipids.

How does doxorubicin affect DNA methylation?

Doxorubicin can induce changes in DNA methylation patterns by affecting the activity of DNA methyltransferase enzymes. It can lead to global hypomethylation or hypermethylation of specific gene promoters, influencing gene expression and potentially contributing to its cytotoxic effects.

What are the principles involved in xanthoproteic test?

The xanthoproteic test is a test for the detection of proteins. If proteins are present, concentrated nitric acid reacts with the proteins to form a yellow color that turns orange-yellow by the addition of alkali. This is called the xanthoproteic reaction.

What nutrient forms enzymes and some hormones?

Proteins are the nutrient that forms enzymes and some hormones in our body. Enzymes are proteins that act as catalysts for chemical reactions, while hormones are signaling molecules that regulate various physiological processes.

Why does a pea pollen grain contain only one flower colour allele?

Because during gamete formation,one member of the allelic pair separates from one another to form the genetic constitution of the gamete (the gene responsible for flower colour of the allele will occur singly due the separation of the members of the allelic pair).

How does the enzyme subsrate help the enzyme work?

The substrate is the molecule that the enzyme acts upon, fitting into the enzyme's active site like a key fitting into a lock. This binding triggers a conformational change in the enzyme that allows it to catalyze the reaction more efficiently. The substrate provides the specific chemical groups and orientation needed for the enzyme to perform its function.

Why you write NADH plus H plus instesd of NADH2?

NADH stands for nicotinamide adenine dinucleotide, while NADH2 is incorrect. NADH represents the reduced form of the molecule, which has gained two electrons and a proton. The "H" in NADH+H+ refers to the hydrogen ion, which is often combined with NADH to indicate its reduced state.

What enzyme converts RNA to DNA?

The enzyme that converts RNA to DNA is called reverse transcriptase. This enzyme is commonly found in retroviruses and is utilized in the process of reverse transcription, where RNA is used as a template to synthesize a complementary DNA strand.

Aspartic acid C4H7NO4 is an amino acid used to make proteins It has a molar mass of 133.11 g mol What is the mass percent of oxygen in aspartic acid?

To find the mass percent of oxygen in aspartic acid, we calculate the molar mass contribution of oxygen (O) in the compound and divide it by the total molar mass of the compound, then multiply by 100%. Aspartic acid has 4 oxygen atoms contributing to a total molar mass of 64.00 g/mol. Therefore, the mass percent of oxygen in aspartic acid is (64.00 g/mol / 133.11 g/mol) * 100% = 48.10%.

What is the enzyme that correctly attaches new nucleotides to the open strand of the DNA called?

The enzyme responsible for attaching new nucleotides to the open strand of DNA is called DNA polymerase. It catalyzes the formation of phosphodiester bonds between adjacent nucleotides on the growing DNA strand during DNA replication.

Why plants gather the suns energy with light absorbing molecules?

Plant gather the sun energy and with this energy they convert carbon bi oxide and water into glucose molecule.(6 C O 2 + 6 H 2 O + Energy = C 6 H 12 O 6 + 6 O 2) These glucose molecules are attached with each other to form carbohydrates. These carbohydrate are the source of energy to plants and plant eating animals also.

What does the reaction in the test tube generate when complementary DNA is made for reading DNA?

The reaction in the test tube generates a single-stranded complementary DNA molecule when complementary DNA is made for reading DNA. This process uses the enzyme reverse transcriptase to synthesize a DNA strand from an RNA template, allowing for the genetic information encoded in the RNA to be read and manipulated.

What does it mean if enzymes are organic catalyst?

Enzymes are organic catalysts. A catalyst is a chemical that controls the rate of a reaction, but is itself not used up in the process. Reactions that are accelerated due to the presence of enzymes are known as enzyme-catalyzed reactions.

What is meant by general test?

A general test is a standardized assessment designed to measure a wide range of cognitive abilities or skills in a general population. It typically evaluates various aspects such as reasoning, memory, vocabulary, and problem-solving abilities. Results from general tests are often used to make comparisons across individuals or groups.

What is the net number of ATP produced in glycolysis?

During glycolysis it makes a net amount of 2 molecules of ATP. Fermentation happens anaerobically (without oxygen) and the reduction of pyruvate into lactate itself does not yield any ATP. But I think the answer you are looking for is 2 ATP.

Do turkeys have amino acids?

Yes, turkeys, like all living organisms, have amino acids. Amino acids are the building blocks of proteins, which are essential for growth, repair, and maintenance of the body's tissues. Turkeys obtain amino acids from the proteins in their diet.

Why is fat essential to health?

Fat is essential for health as it provides energy, supports cell growth, absorbs vitamins, and maintains hormone function. Essential fatty acids cannot be produced by the body and must be obtained through diet. Consuming the right types and amounts of healthy fats can help reduce inflammation and support overall well-being.

How much ATP in moles is generated from the complete oxidation of one mole of lactose?

The complete oxidation of one mole of lactose yields 30 moles of ATP through aerobic respiration. This occurs due to the breakdown of lactose into glucose and galactose, which are then metabolized to produce ATP through glycolysis, the Krebs cycle, and the electron transport chain.

What is the principle of heat coagulation test for proteins?

The principle of the heat coagulation test for proteins is based on the denaturation and coagulation of proteins when exposed to heat. By heating a solution containing proteins, the proteins unfold and aggregate, forming a visible clot or precipitate. This test is commonly used to assess the presence of specific proteins by noting the formation of a clot or precipitate upon heating.

If saccharamyces cerevisiae is grown in a nutrient medium containing a radioisotope After a 48 hour incubation where would the radioisotope most likely be found in S cerevisae?

After a 48-hour incubation, the radioisotope would most likely be found in the cellular components of Saccharomyces cerevisiae, such as proteins, nucleic acids, lipids, or cell wall components. This is because the cells take up the nutrients from the medium during growth and incorporate them into their cellular structures.

What are the molecular basis of living organisms?

The molecular basis of living organisms lies in the complex interactions of biomolecules such as DNA, RNA, proteins, and lipids. These molecules work together to carry out essential functions such as growth, reproduction, and metabolism. The information encoded in DNA is transcribed into RNA, which is then translated into proteins that carry out specific tasks within the cell.

What does lipase catalyze?

Lipase catalyzes the break down of lipids.

Why it is not blown in a pippete when a base remains in it?

When a base is present in a pipette, it doesn't blow up because the base is not reactive enough to cause a chemical reaction that would produce gases. The base is most likely not strong enough to react with the materials of the pipette to release gases at a rapid rate. However, it is important to handle bases carefully to prevent any potential reactions or hazards.

What are the four nucleotide present in tRNA?

The four nucleotides present in tRNA are adenine (A), cytosine (C), guanine (G), and uracil (U). These nucleotides form base pairs to create the three-dimensional structure of tRNA that allows it to carry specific amino acids during protein synthesis.