Biochemistry

Starch is a polysaccharide, not a disaccharide, as it is a polymer of many sugar units. A disaccharide would contain just two units (for example, sucrose).

The adrenal glands produce hormones such as adrenaline and cortisol that prepare the body for emergency situations. These hormones help increase heart rate, blood pressure, and blood sugar levels, preparing the body to fight or flee in response to stress or danger.

Adrenocorticotropic hormone (ACTH) is the tropic hormone that is suppressed by increased plasma levels of cortisol. Cortisol exerts negative feedback on the hypothalamus and pituitary gland, inhibiting the release of ACTH.

Vitamin B9, also known as folate or folic acid, is essential for the synthesis of nitrogenous bases in DNA and RNA. It plays a crucial role in cell division and growth, making it important for processes like DNA replication and repair. Deficiency in vitamin B9 can lead to impaired DNA synthesis and potential genetic mutations.

Humans and chimpanzees having similar DNA suggests a close evolutionary relationship between the two species. It indicates a common ancestor from which both humans and chimpanzees diverged millions of years ago. The similarity in DNA points to shared genetic heritage and biological similarities.

There are three nucleotide Bases for each codon, so the Answer is 72 bases.

Scientists often look to insert a new gene into a vector, such as a plasmid or a viral vector. Vectors are vehicles that can deliver the gene into a host organism's cells for expression and study.

The anticodon is a sequence of three nucleotides found on transfer RNA (tRNA) molecules. Its function is to base pair with a complementary codon on messenger RNA (mRNA) during translation. The location of the anticodon is within the loop region of the tRNA molecule.

A prokaryotic cell does not have cell organelles bound inside a nuclear membrane, i.e., it does not have a proper nuclear structure. It has a primitive nucleus.

On the contrary, a eukaryotic cell has a well developed nucleus with membrane bound organelles.

Adenine occurs in both RNA and DNA molecules. It is uracil that replaces thymine in the RNA molecule.

Mitochondria are not directly responsible for protein assembly. They are primarily involved in producing energy in the form of adenosine triphosphate (ATP) through cellular respiration. Protein assembly generally occurs in the ribosomes of a cell.

This mutation would cause a frameshift mutation, shifting the reading frame of the DNA sequence. Most likely, this would lead to a completely different protein being translated, resulting in a protein with a different sequence of amino acids from the original protein. The number of amino acids would depend on the specific changes in the protein sequence caused by the frameshift mutation.

The process is called conjugation. It involves the transfer of genetic material, usually in the form of plasmids, from one bacterium to another through a tube-like connection called a pilus. This allows for the exchange of beneficial traits, such as antibiotic resistance genes, between bacteria.

Yes it is a hormone of pitutory.It stimulates production of hormones by thyroid.

No, the egg of a sea star is typically larger than a zygote. After fertilization, the zygote undergoes cleavage divisions, resulting in smaller cells before developing into a larva.

The procedure of draining blood from the kidney is called a renal biopsy. It involves removing a small sample of kidney tissue for analysis and diagnosis.

Yes, hydrolysis of simple lipids requires enzymes such as lipases. Lipases help break down lipids into fatty acids and glycerol through a hydrolysis reaction. Without the presence of these enzymes, hydrolysis of simple lipids would not occur efficiently.

Thyroid-stimulating hormone (TSH) is a pituitary hormone that controls metabolism by stimulating the thyroid gland to produce thyroid hormones, which regulate the body's metabolic rate.

Proteins are organic macromolecules formed by polymerization reactions between amino acids. These amino acids are linked together by peptide bonds to form long chains, which fold into complex three-dimensional structures to perform a variety of functions in living organisms.

No, the distal tubule and collecting ducts are not impermeable to water in the absence of hormones. These segments of the nephron regulate water reabsorption based on hormonal signals, particularly antidiuretic hormone (ADH). When ADH is present, water channels called aquaporins are inserted into the tubule walls, allowing for increased water reabsorption.

The cells in the leaf called chloroplasts contain chlorophyll, a pigment that absorbs sunlight. The stomata in the leaf allow for the exchange of gases, such as carbon dioxide and oxygen, needed for photosynthesis. Veins in the leaf deliver water and nutrients to the cells involved in photosynthesis.

Understanding the perspective from which a story is told is important because it influences the way events are portrayed, characters are developed, and themes are presented. Different perspectives can offer unique insights, add depth to the narrative, and help readers or listeners interpret the story in a more nuanced way. It also allows us to appreciate the diversity of experiences and viewpoints, promoting empathy and understanding.

It varies by country and organization, but millions of individuals are added to DNA databases annually around the world. This number continues to grow as more law enforcement agencies and research institutions collect genetic information for various purposes.