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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

What are our daily nutritional needs?

Daily nutritional needs vary depending on factors such as age, sex, and activity level. Generally, a balanced diet should include a variety of fruits, vegetables, whole grains, lean proteins, and healthy fats to meet nutrient requirements such as vitamins, minerals, carbohydrates, proteins, and fats. It is recommended to consult with a healthcare provider or nutritionist to determine individualized nutritional needs.

When two molecules are linked together in a condensation reaction what is produced?

The main type of condensation chemical reaction occurs when two suitable reagents are brought into proximity: one gives away an H+ while the other gives away an OH-; 2 recombinations take place - H+ and OH- combine into water while the other 2 reagents condense into a single molecular moiety.

Are enzymes functional proteins?

Yes, enzymes are functional proteins that act as biological catalysts to speed up chemical reactions in living organisms. They play a crucial role in various metabolic processes by lowering the activation energy required for reactions to occur.

What are the components that a DNA molecule is made up of?

A sugar (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine or guanine).

P, O, C, N, H, (and some associated metal ions, though not technically necessary to make up DNA).

What is an anticodon?

in cells of living beings DNA i.e. deoxyribonucleotide is found which is formed of nucleic acid monomers and this DNA is found in double helical thread in which codon or the nucleotide of one strand is bonded with hydrogen bond of codon of other thread the other codons are called anti-codon of each other
like
A-T
G-C
T-A
C-G

What happens to a six-carbon molecule of glucose during glycolysis?

During glycolysis, a six-carbon molecule of glucose is broken down into two molecules of three-carbon pyruvate. This process involves a series of enzymatic reactions that release a small amount of energy in the form of ATP and NADH. Glycolysis occurs in the cytoplasm of the cell and is the first step in both aerobic and anaerobic cellular respiration.

What is conjugated enzymes?

Conjugated enzymes are proteins that have a non-protein component attached to them, such as a metal ion or a coenzyme. This non-protein component is necessary for the enzyme to function properly and can help in catalyzing chemical reactions. Examples of conjugated enzymes include heme-containing enzymes like cytochrome c and flavoproteins like succinate dehydrogenase.

How is ADP made from ATP?

ADP is made by ATP when one of three peptide bonds of ATP are broken down.

What are the bonds that hold two amino acids together?

Peptide bonds hold two amino acids together through a condensation reaction in which the carboxyl group of one amino acid reacts with the amino group of another amino acid, resulting in the formation of a peptide bond and the release of a water molecule.

What determines which proteins are produced?

The proteins produced by a cell are determined by the specific genes that are "expressed" or activated in that cell. Gene expression is regulated by various factors such as transcription factors, epigenetic modifications, and environmental signals. These factors control the synthesis of messenger RNA (mRNA) from the DNA of a gene, which is then translated into protein by the ribosomes.

What are examples of lipids?

Examples of lipids include fats, oils, phospholipids, and cholesterol. Lipids serve various functions in the body, such as energy storage, insulation, and forming the structure of cell membranes.

What does glycolysis do?

Glycolysis is the process by which glucose is broken down into pyruvate, generating ATP and NADH in the cytoplasm of cells. This pathway is the first step in both aerobic and anaerobic respiration and plays a crucial role in providing energy for cellular activities.

How do you measure the rate of photosynthesis?

ANSWER 1

get a beaker full of water then put the plant into it with a test tube of water on it. then put some light an it and blow into the water with a straw. if you see bubbles building up in the tube then you have oxygen.

ANSWER 2

Hi photosynthesis measurer,

Counting the air bubbles that are produced when a plant is in water is perfect for measuring the rate of photosynthesis if you have limited resources and only need rough estimates. However, since bubbles have a variable, undefined volume, counting the number of air bubbles is not precise. You can obtain slightly more accurate results by collecting the air released, and measuring the volume.

If you wish to obtain precise and accurate measurements of the rate of photosynthesis, you could use a Photosynthesis Measurement System. They are instruments that quantitatively measure the rate using an infrared gas analyser to assess the input of CO2 and output of H2O. Some Photosythesis measurement systems (such as the LCpro+) offer the ability to precisely control the environment of the leaf being measured. These instruments maintain the leaf chamber at user-selected concentrations of CO2 and H2O, and can control PAR and temperature. This allows you to conduct detailed experiments on the effects of different conditions on the rate of photosynthesis.

Photosynthesis measurement systems are designed to be portable so you can carry them to field sites (except some models are somewhat heavy for field work. LI-COR's 6400 model weighs 13.5kg!).

Answer 3

Below is a reference site that might be helpful.

What are 3 products of glucose?

Three products of glucose are carbon dioxide, water, and energy (in the form of ATP).

What type of organic molecule are enzymes?

the type of organic molecule an enzyme is would be a protien

What is made up of nucleotides?

A nucleotide is a monomer of a nucleic acid consisting of 3 parts. These 3 parts include a pentose sugar, a phosphate group, and a nitrogenous base. The nitrogenous bases include purines (adenine and guanine) and pyrimidines (cytosine and thymine).

Sugar, phosphate group, and a nitrogen base(base pair)

There are also some exotic, artificial nucleotides with different types of sugars with different numbers of carbon atoms and/or different functional groups.

There are nitrogenous bases other than A (adenine), T (thymine), C (cytosine) and G (guanine), most notably U (uracil) which is present in RNA instead of T.

Base pairs:

A-T

C-G

Can lactic acid come from rice milk?

No, lactic acid is typically produced during the fermentation process of dairy milk or other lactose-containing products by lactic acid bacteria. Rice milk, being plant-based, does not contain lactose and therefore does not produce lactic acid in the same way.

What is the difference between photosynthesis and chemosynthesis?

The difference between the two is that chemosynthesis uses chemicals for Energy instead of the light Energy, or sunlight, as used in photosynthesis.
The difference between the two is that chemosynthesis uses chemicals instead of light energy like photosynthesis.

What is the role of tRNA in protein synthesis?

tRNA (transfer RNA) plays a crucial role in protein synthesis by carrying specific amino acids to the ribosome, where they are assembled into a polypeptide chain. The tRNA molecules recognize the codons on the mRNA strand through complementary base pairing, ensuring that the correct amino acid is added to the growing protein chain.

What it the chemical composition of bitter gourd?

  • Fruits have much higher in folate and vitamin C. The vine tips are an excellent source of vitamin A.
  • steroids
  • charantin
  • Momordicine glycoproteins,alpha-momorcharin and beta-momorcharin

How does the molecular formula for sucrose compare to maltose?

The molecular formula of sucrose is C12H22O11, while the molecular formula of maltose is C12H22O11. Both molecules have the same number and types of atoms (carbon, hydrogen, and oxygen), but they are arranged differently. Sucrose is a disaccharide made of glucose and fructose, while maltose is a disaccharide made of two glucose molecules.

What gland produces body mucus on an earthworm?

The answer is their salvary gland earth worms produce their body mucus because their salvary glands is produced that way.

The answer is their salvary gland earth worms produce their body mucus because their salvary glands is produced that way.

During DNA duplication primer called RNA primer why?

During DNA duplication, an RNA primer is used because DNA polymerase can only add new nucleotides to an existing nucleic acid strand rather than initiating synthesis. The RNA primer provides a starting point for DNA polymerase to bind and begin adding complementary nucleotides to synthesize a new DNA strand. This primer is later removed and replaced with DNA nucleotides to complete the replication process.

What is the job of a Golgi apparatus?

The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids that are received from the endoplasmic reticulum. It plays a key role in the processing and transport of these molecules within the cell or for secretion outside the cell.