What is the function of thyroxine hormones in our body?

Q: Which two ions are most affected by aldosterone?a. sodium and potassiumb. chloride and bicarbonatec....

A: Aldosterone is a steroid hormone, which is chiefly involved in regulating water and salts in the bod...

Q: How do mineral salts participate in enzymatic activity?

A: Mineral salts are essential elements of the organism and make approximately 4% of our body mass. The...

Q: Describe the stomach of pigeon?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of...

Q: Most genes encode proteins. Explain how proteins produce anorganism’s traits. Provide examples.

A: Protein expression Every gene coded for a specific protein. The central dogma of life includes the t...

Q: Explain The process of conjugation?

A: The bacteria adapt to different environmental conditions as they evolve rapidly by acquiring new gen...

Q: What are the typical vegetation and the typical fauna of the tropical forests?

A: Tropical forests are considered as cradle of life. They contain almost half of the species in the wo...

Q: Summarize the methods by which DNA was found to be located in chromosomes?

A: Nucleotides are the building blocks of the DNA (Deoxyribonucleic acid). In the human, DNA is present...

Q: Contraindications to estrogen therapy in menopause embrace the following, except:A. OsteoporosisB. E...

A: The end of the reproductive cycles in females or the end of the menstrual cycle in females is referr...

Q: Outline the steps of bacterial transduction?

A: Bacteria are single-celled microorganisms. Some of them are injurious while some are beneficial to h...

Q: Do you know of any genetic diseases or disorders that result from errors in mitosis or meiosis? How ...

A: Introduction: Mitosis and meiosis are processes and fundamental stages of cell division and cell cyc...

Q: These macaques (Macaca fuscata) are partially immersed in ahot spring in a snowy region of Japan. Wh...

A: Homeostasis is the ability of an organism to maintain a relative constant internal body environment....

Q: What do you mean by yellow bone marrow?

A: Bone marrow is a gelatinous matrix present in the cavity of bone mainly in thigh-bone and long bone....

Q: 2. Identify the following type of biomolecule or biopolymer. Pay attention to whether it is a signle...

A:         Biomolecules are organic compounds produced by living organisms. They play important functio...

Q: Outline several situations or events that increase the developmentof drug resistant microbes.

A: The ability of bacteria and other microorganisms to withstand a drug that once stalled them or kille...

Q: MAKE CONNECTIONS The gene that is activated onthe Philadelphia chromosome codes for an intracellular...

A: When there is an exchange of a large portion of chromosome 22 with any of the short portion of anoth...

Q: What are the components of cartilage matrix?

A: Cartilage is the smooth elastic tissue that provides rubber-like padding, which helps to protect and...

Q: what is cpDNA?

A: Endosymbiotic theory states that the semiautonomous organelles such as mitochondria and chloroplasts...

Q: Why were cyanobacteria so important in the evolution of life onEarth?

A: Cyanobacteria is a known phylum that is known to contain the photosynthetic bacteria along with the ...

Q: The thoracic cage is composed of _______________________ pairs of ribs.

A: Introduction: Thoracic cage also called a rib cage is a thoracic wall with a framework of skeletal a...

Q: Relate Sarcocystis, Cystoisospora, Cyclospora, and Babesia totheir specific route of infection.

A: A pathogen may be referred as an infectious agent that can produce diseases. They are classified int...

Q: By what the secondary xylem and phloem in dicot stem are produced?

A: Xylem is involved in the minerals, nutrients, and water transport in the plants from the roots to th...

Q: Identify and define the three major categories offood perishability. Why is milk more perishable tha...

A: Food products have a limited time in which they can be eaten or safe to eat. It is known as the shel...

Q: Consider the differences in worth between the elemental and biomolecular components of life. Explain...

A: Difference between the elemental and biomolecular components of life in terms of the characterizatio...

Q: You conduct an RFLP analysis of head weight in one strain of cabbage;you determine that seven QTLs a...

A: Introduction  Any phenotypic character is controlled by the genes either it can be single gene or mu...

Q: What is taxon? Give a few example.

A: Taxonomy is the branch of biology, which deals with the science of naming, defining and classifying ...

Q: In hyperparathyroidism it is not common to find: A. Persistent hypotensionB. Muscle weaknessC. Neuro...

A: Hyperparathyroidism is identified as a condition in which one or more than one parathyroid gland bec...

Q: Why wilted lettuce becomes criso/firm when placed in cold water for a while.

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of...

Q: Hemochromatosis is an inherited disease caused by arecessive allele. If a woman and her husband, who...

A: Hemochromatosis is a hereditary disease in which the iron from the blood gets deposited into the tis...

Q: Whjat are the function of initiation,elongation,termination?

A: Transcription is the process where double stranded DNA transcribes to form single stranded RNA molec...

Q: From what other environments might E. coli bacteriophages be readily isolated?

A: Some of the prokaryotes, especially bacteria are infected with the viruses. These viruses are known ...

Q: Under some conditions, it is possible to obtain nucleicacid–free protein coats (capsids) of certain ...

A: Viruses are intracellular, obligate parasites that contain either deoxyribonucleic acid (DNA) or rib...

Q: Which organ helps in maintaining balance?

A: Body balance enables the person to maintain any position of the body in the environment. The body ge...

Q: What is a major habitat for many species of Acidobacteria?

A: Acidobacteria   Acidobacteria is a species of bacteria. Members of this species vastly differ physio...

Q: How do free radicals effect diffusion of cells?

A: A radical are often defined as any molecular species capable of independent existence that contains ...

Q: Occasionally during meiosis, a mistake can happen whereby a gametemay receive zero or two sex chromo...

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA....

Q: What is the structure of the epithelium of the epididymis?

A: The chief aim of the male reproductive system is to give rise to haploid sperms, which fuses with th...

Q: State the location of cardiac muscles.

A: Cardiac muscle Muscles are classified into three types in our body - skeletal muscle, smooth muscle ...

Q: Why is it important to watch for increased redness,swelling and pain after a cut or abrasion has bee...

A: Inflammation refers to initial and standard reaction by the body against the injury. Inflammation li...

Q: What are the effects in Injecting transgenes into cells?

A: The method which is directly employed for injecting transgenes into cells is Microinjection. It is a...

Q: Name the most common indicator organism that represent polluted water.

A: Indicator organisms are those organisms that are used to determine the condition of a particular env...

Q: Steroid drugs like prednisolone is produced from______.a) Rhizopus b) Penicillium c) Aagaricus d) Ba...

A: A glucocorticoid medication that serves the function of suppressing the immune system along with tre...

Q: What is the life expectancy of someone with Turner's syndrome?

A: Turner's syndrome is an example of Aneuploidy. Fertilization of an egg X by a sperm O produces an in...

Q: What are various types of appendages that thorax bears?

A: Appendages are extremely complex structures consists of multiple tissues having the ability to regen...

Q: Define the role of bryophytes,pteridophytes,gymnosperms and angiosperms?

A: The earth is occupied by the plant. The diversity in the plant makes life easier and sustainable. It...

Q: What do enzymes do in plants?

A: Enzymes :  These are biological and specialized protein that significantly increase the rate of all ...

Q: How do activators bind enhancers in the first place if the enhancer DNA is covered with nucleosomes?

A: In the nucleus of each cell in higher organisms, the DNA molecule is packaged into thread-like struc...

Q: WHAT IF? If a complete ring of bark is removed fromaround a tree trunk (a technique called girdling)...

A: Bark refers to the tree protective layer and serves as a purpose of the skin. The tree can be cut or...