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Q: At which stage do nutrients enter an organism’s bloodstream?a. Ingestionb. Digestionc. Absorptiond. ...

A: Digestion is the process of converting complex substances into simpler ones. It is carried out by me...

Q: Propose an artificial diet that would eliminate the need for one of the first three steps in food pr...

A: In animals, food is processed through various stages that include ingestion of food, digestion, nutr...

Q: What caused the rise in TB disease incidence between 1988 and 1993?

A: Mycobacterium tuberculosis is the bacteria that are accountable for causing the most infectious dise...

Q: The half-life of the C14 isotope is 5730 years. How many years after an animal dies will it take for...

A: Half life is the time taken for a substance to decrease its amount by half.

Q: Fill in the blanks to explain Darwin's theory of Natural Selection using these words: DNA, survive, ...

A: The mechanism that Darwin proposed regarding how different species evolve over the time, in his book...

Q: a. The depth of breathing increases and the breathing rate increases b. The breathing rate increases...

A: When we exercise and our muscles work more, the body utilizes more O2 and produces more CO2. The rat...

Q: Planaria lack specialized gas-exchange organs. How do you think planaria accomplish this task?

A: Planarians belong to Lophotrochozoan branch of protostomes.

Q: Summarize the phases of cellular respiration and indicatewhere they occur in a cell.

A: Cellular respiration is a process in which an organism derives energy from food or nutrients by oxid...

Q: Define about Agricultural Plants with Improved Traits ?

A: Crop improvement is the genetic alteration of plants that helps to reach the human needs.    

Q: Sketch a cross section of the spinal cord showing the posterior and anterior horns. Where are the gr...

A: The spinal cord is defined as a long, thin, and tubular structure composed of nervous tissue, which ...

Q: What is your ecological footprint? To find out, search for the PersonalFootprint Calculator on the G...

A: Introduction  Ecological Footprint (EF) represent the demand of a person or a group of a person on t...

Q: Body composition:

A: BMI or body mass index is calculated by dividing weight in kilograms by the square of the height in ...

Q: Anabolic reactions use energy by ________. a. turning ADP into ATP b. removing a phosphate group fro...

A: Anabolic reaction smaller complex is added up to make the large complex.

Q: Embryonic stem cells

A: Stem cells are the cells that can be differentiated into any cell type, including muscle cells, live...

Q: In what sense is the destruction of the environment a question of justice?

A: The environment includes all the physical and climatic conditions present around us.  

Q: Describe the environmental conditions that would cause amuscle cell to undergo fermentation ?

A: Every living organism requires energy to survive. The energy is produced by the oxidation of digeste...

Q: What are 5 organelles that you would find inside of a cell

A: Cell is the structural and functional unit of life, which is the central and main regulatory part of...

Q: A female fruit fly has one normal X chromosome and one X chromosomewith a deletion. The deletion occ...

A: A polytene chromosome is one that had undergone repeated replications without the accompanying nucle...

Q: 15- A woman carries the testicular feminization mutation (tfm) on one of her X chromosomes: the othe...

A: Partial androgen insensitivity (PAIS) is a genetic disorder and it affects the male fetus sexual dev...

Q: What is dumping?

A: Waste or garbage comprises the body's excretions, household substances, liquids, metals, and other s...

Q: why A usually only bonds with T and G usually only bonds with C.

A: The DNA is the genetic material of an organism. This forms the basic unit of heredity. The DNA is co...

Q: How much more OH- is in water at a pH of 11 when compared to pH of 7?

A: pH pH denotes the potential of hydrogen or the power of hydrogen. The acidic solutions with higher c...

Q: There is currently a worldwide movement to create protected marine parks. If the parks have an Achil...

A: Endangered species are the species that are on the verge of being extinct soon either from a particu...

Q: How can we describe the way a drug flows from one part of the body to another?

A: The administration of drugs is dependent on their availability and their course of action. It is stu...

Q: Q2/ Answer the following (Four only) 1- Why CoNiCrMo alloy is used in application that require long ...

A: Functional Materials are materials that are not fundamentally used for their mechanical properties b...

Q: If a person is attacked by corona virus what strategies body will opt to eliminate it and why defenc...

A: The corona virus enters the body through the nose, eyes or mouth. These particles reach to the lower...

Q: What is an electrical synapse? Where can electrical synapses be found? Identify an advantage and a d...

A: The brain is the organ that is Central to the nervous system. The nerves throughout our body carries...

Q: Identify the two cavities that are separated by thediaphragm ?

A: The diaphragms are known as a thin skeletal muscle that sits at the base of the chest and separates ...

Q: Describe the characteristics that humans share with thechimpanzees.

A: Humans and chimpanzees share a common ancestor. Chimpanzees are the closest species to humans with 9...

Q: What is the proximal tubule?

A: The pair of kidneys are the main excretory organs in humans. They are dark red in color and bean-sha...

Q: Explain two ways in which archaea metabolize inorganiccompounds in extreme environments.

A: Archaea Bacteria is facultative and strictly anaerobic with the cell wall made up of peptidoglycan. ...

Q: What causes of drinking alcohol to the person after they are drunk and cause of a hangover in the bo...

A:  Typical symptoms of hangover includes fatigue, weakness, thirst, headache, muscle aches, nausea, st...

Q: help to be helped (:

A: p2 + 2pq + q2 = 1 and p + q = 1 According to Hardy weinberg principle p = frequency of the dominant...

Q: What elemets are required to make up nucleotides, amin acids, monosaccharides and fatty acids?

A: Biomolecules are molecule which are present in libing system . They are mostly four categories prote...

Q: Identify primate traits that are adaptive for living in trees.

A: The first primates like mammals are known as the proto primates. They appeared similar to the squirr...

Q: Please answer question 4

A:     Phylogenetic tree is the most convenient hypothetical method of visually representing evolutiona...

Q: What is the role of the gametophyte in ferns?

A: Plants produce offsprings through various stages during their life cycle. Plants consist of two alte...

Q: Label the following: Stratum corneum * Stratum lucidum * Stratum granulosum * Stratum spinosum * Str...

A: Epidermis is the outermost layer of skin tissue. Epidermis of skin is made of keratinized stratified...

Q: The E. coli chromosome is 1.28 mm long. Under optimal conditions, thechromosome is replicated in 40 ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: How would you modify this experiment so that the mass lifted by the muscle contraction continues to ...

A: Threshold potential of a neuronal cell is the potential a neuron needs to get depolarized to reach i...

Q: Explain the Synovial membranes ?

A: Synovial joint: - This joint is found between bones, it also posses a joint cavity filled with synov...

Q: if 10 magnesium atoms and 10 chlorine atoms were allowed to bump into each other, could they combine...

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This  la...

Q: Discuss the functional differences between ionotropic and metabotropic receptors.

A: A neurotransmitter can bind and activate two types of receptors; the ionotropic receptor and the met...

Q: Figure 2b and 2e as compared to Figure 2c and2f, how did spore production correlate with theDaphnia’...

A: Daphnia is a planktonic crustaceans belonging to the order Cladocera. They are commonly known as wat...

Q: What are carbohydrates, lipids, proteins and nucleic acids subunits and its components and what elem...

A: All living organism will have biomolecules in their cell for normal functioning of body. These biomo...

Q: 2) A. What is meant by energetic coupling? What is meant by the term phosphorylation and what role d...

A: Answer: Introduction: Energy coupling means it takes place if the energy formed by one reaction or s...

Q: Body composition:

A: Body composition is the percentage of fat and non-fat mass in your body.  The body composition of a ...

Q: The following statements about Streptobacillus moniliformis are all true excepta) it can be transmit...

A: Answer: Introduction: Streptobacillus moniliformis means a non-motile, Gram-negative rod-shaped bact...

Q: What three bones meet at the elbow? Identify the fossae,articular surfaces, and processes of this jo...

A: The skeleton system is one of the vital systems of a body. It is a system of bones where bones are c...

Q: Imagine a person catches sars-coV-2 infection, which route of cell signaling will activated to gener...

A: SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) is the viral strain of the Covid 19, it...