Relate the survivorship curves to those factors that contribute to the mortality of each type of organism.

Q: List three life science fields that require a solid understanding of biochemical principles.

A: In general, the study of science is divided into two broad groups; life sciences (scientific study r...

Q: What two organelles do you think are especially prominent in osteoblasts?

A: Bone is a rigid body tissue consisting of cells attached in a hard intracellular material which cons...

Q: bell jar model can be used to demonstrate the basic mechanism of breathing humans. The diagram below...

A: The human respiratory system is defined as the system that is responsible for taking up oxygen and e...

Q: Distinguish between atrophy, necrosis, and apoptosis, anddescribe a circumstance under which each of...

A: A biological cell is a hub of metabolic activities. Cell numbers in an organism can increase or decr...

Q: Summarize the role of carbohydrates in a cell.

A: There are important biomolecules that are needed for the physiological functions of the body. It is ...

Q: In a type of bean plant, the trait for yellow pods (B) is dominant to the trait for green pods (b). ...

A: Heterozygous traits are those which have two different alleles of a trait.

Q: Give reasons why anandromous lampreys die after breeding in the freshwater environment

A: The sea Lamprey is one of the fishes that are categorized as anadromous, as these fishes spent a maj...

Q: How important is biotic and abiotic components in the ecosystem?

A: Ecosystem  Ecosystem is the collection of living and non living matters. They interact with each oth...

Q: Show the Comparison of Somatic Motor and Autonomic Motor Pathways ?

A: The nervous system is the system of the body that controls and coordinates all the activities of the...

Q: Discuss the routine screening tests that are available todetect and diagnose cancer.

A: Ans: Cancer: The uncontrolled growth of cells which has tendency to spread to other regions of body ...

Q: What are the major substrates entering the Krebs cycle, and what are the products formed?

A: Citric acid cycle or Krebs cycle acts as the main source of cellular energy through oxidation of ace...

Q: What is mass transportation across the cell membrane?

A: THE mass transportation across the cell membrane

Q: What are the general characteristics of connective tissues?

A: A cell is known to be the basic unit of life. Multiple types of cells create a layer of tissue. Tiss...

Q: What positives are we already seeing because of the use of renewable energy?

A: The question is asking regarding the advantages of the use of renewable energy  source instead of co...

Q: Nutrients are carried to the cells by * food ducts stomach cells blood vessels alveoli

A: The cells are the structural and functional units of the body that perform all the necessary work of...

Q: A double-stranded molecule of B DNA contains 340 nucleotides. How many complete turns occur in this ...

A: Deoxyribonucleic acid(DNA) is defined as the double helical molecule where the two polynucleotide ch...

Q: 1 Scenario 1: A man and woman have decided to have children but are worried about possible genetic d...

A: Given: Women have heterozygous allele -Aa Dad is homozygous dominant - AA

Q: Explain why the coupled reaction ATP → ADP + Pi in the P-class ion pump mechanism does not involve d...

A: Coupled reaction of ATP → ADP + Pi is the coupling of exergonic reaction which is through hydrolysis...

Q: Explain how increasing human population affects the water quality of lakes and reservoir

A: Water is needed for survival of life and thus, water is a very important resource. Freshwater is rea...

Q: Select the best answer or answers from the choices given: Which cell functions as part of the immune...

A: Immunology is the branch of science which deals with the study of the immune system, immune response...

Q: What is the source of Chemokines?

A: The heparin binding proteins that direct the movement of circulating leukocytes to the site of infla...

Q: Help!

A: The two alleles of any gene are segregated during the formation of gametes. Thus the green-pod paren...

Q: Understand how meiosis reduces the chromosomenumber from diploid to haploid.

A: Meiosis is a type of cell division in which chromosome number is halved to produce haploid cells. Th...

Q: what is the meaning of "You cannot get order and complexity from random chaos alone"

A: Evolution is caused by changes in the heritable characteristics of the biological population over a ...

Q: Select the best answer or answers from the choices given: The function of the T tubules in muscle co...

A: Muscle contraction can be defined as the process in which the length of the muscles decreases and th...

Q: In E. coli, a methyltransferase enzyme encoded by the dam gene recognizes the sequence 5′–GATC–3′ an...

A: Bacteria‘s are prokaryotic unicellular organisms. Bacteria have incipient nucleus. E.coli is a gram ...

Q: How is genetic information expressed to guide the synthesis of proteins?

A: Our genetic code, made up of DNA, is used to control the synthesis of proteins. This process takes a...

Q: Compare the number of gametes produced during oogenesisand spermatogenesis in humans.

A: Sexual organs or the gonads, that is the cells of the ovary and the testes are the only cells that u...

Q: In Bean plants two genes are defined below with the lower case letter indicating the recessive allel...

A: A test cross is when the f1 hybrid is crossed with its homozygous recessive parent.

Q: State what percentage of F2 individuals in Mendel’s crosses were heterozygous

A: 75 % of the F2 individuals in Mendel's cross were heterozygous.

Q: The results of QTL mapping studies for human diseases tend to show that disease-causing alleles are ...

A: The classical Mendelian traits are quantitative in nature which means the traits which are easily re...

Q: How would you prove that dissolve oxygen is an important yardstick of water pollution

A: Dissolved oxygen refers to the level of oxygen which is free and non compounded, present in the wate...

Q: e BEST reason why nutrition is vital to maintain good health in older adulthood: O a the body's abil...

A: Nutrition gives sustenance. Proteins, starches, fat, nutrients, minerals, fiber, and water are large...

Q: How is AIDS related to TB?

A: AIDS (Acquired Immuno Deficiency Syndrome) is caused by HIV (Human Immunodeficiency Virus). HIV atta...

Q: Which letter represents the parts of the cell membrane that act to "solidify" it?

A: The cell wall otherwise called the plasma membrane, is a twofold layer of lipids and proteins that e...

Q: How do both negative and positive feedback contribute to the changes in membrane potential during an...

A:  Homeostasis is a condition in which the human body is maintained in a steady state by changing or r...

Q: Animals breathe in air that contains more oxygen than the air they breathe out. Where is oxygen cons...

A: Exchange of gases is known as breathing in animals.

Q: How might livestock grazing and farming influence inland water deterioration

A: By the grazing animals inland water purity may decreased & deturbed because Grazing animals like...

Q: The malate–aspartate shuttle yields about2.5 moles of ATP for each mole of cytosolic NADH. Why doesn...

A: Malate-Aspartate Shuttle is a biochemical system that is used for the translocation of electrons tha...

Q: Explain how cardiac muscle differs from skeletal muscle in its structure and regulation of contracti...

A: The cardiac muscle is striated similar to skeletal muscle. The sarcomeres of cardiac muscle contract...

Q: How many RNA POLERASE(s) are found in prokaryotes, name and discuss their functions? proper explanat...

A: Prokaryotes lack membrane-bound nuclei. All the process of transcription, mRNA degradation, and tran...

Q: A cross is made between these same two plants with five independently assorting genes. SHOW YOUR WOR...

A: Phenotype is the physical properties of an organism. eg- hair color, height, eye color, etc.

Q: Eversion of the foot is caused by the contraction of the______ muscle.a. soleusb. plantarisc. fibula...

A: Answer: Introduction: The peroneus brevis muscle also called as the fibularis brevis muscle present ...

Q: Compare and contrast the processes involved in the gas exchange of plants and animals using the tabl...

A: In plants 1.organs         Plants do not have any organs 2. Adaptation They make leaf surface wid...

Q: A typical pedigree for a family that carries neurofibromatosis is shown below. Note that carrier are...

A: In pedigree analysis, we can determine genotype and phenotype.

Q: Describe the structure of the sarcomere

A: The Sarcomere is a large protein unit that is essential for contraction in the muscle. Both skeletal...

Q: Do you believe that genetic engineering is more helpful or harmful? How?

A: One such boon to humanity is genetic engineering, which has evolved into a tool for enhancing human ...

Q: Summarize the functions of each organ in the urinarysystem

A: Kidney is the main filtering organ for soluble compounds. The kidney is responsible for selecting wh...

Q: What problems would an enormous round cell encounter, and how could the adapt to survive?

A: Answer: ROUND CELL = These are the sphere in shape and may be more related to lymphocytes , which oc...

Q: How would damage to the ciliated cells of the respiratory tract predispose a person to infection?

A: The trachea and bronchi contains ciliated epithelial layer. The mucus is secreted by the goblet cell...