Answer:
The portion of urethra that passes through the center of the prostate gland is called prostatic urethra.
Explanation:
Prostatic Urethra:
- Prostatic urethra, about 2.5 to 3cm long, is the widest and most dilatable part of the urethra.
Proteins have up to four levels of organic structure.
1.Primary structure - the linear arrangement of amino acids.
2. Secondary structure - areas of folding or coiling within a protein.
3. Tertiary structure - the final three dimensional structure of a protein.
4. Quaternary structure - non covalent associations that bind multiple polypeptides into a single larger protein. E.g. hemoglobin has four polymers, two alpha and two beta chains. They are non covalently bound to each other to form a single large protein - hemoglobin.
Answer:
No, traits are inherited from the offspring's parents. The offspring's traits are based off of the alleles of the parents. There is also a chance of a mutation in the genes.
Explanation:
Answer:
From 1945–1955 the development of penicillin, which is produced by a fungus, along with streptomycin, chloramphenicol, and tetracycline, which are produced by soil bacteria, ushered in the antibiotic age.
Explanation:
Hope it helps you..!
Human dna was completely mapped