What effect do you think a program of lifting weights would have on the bones of skeleton? How would you test your prediction?

Q: Explain how cold temperatures and desiccation are used inmicrobial control.

A: Microorganisms are omnipresent. Therefore, they may cause contamination, infection, and deterioratio...

Q: How does MreB control the shape of a rod-shaped bacterium?

A: The cell growth can be achieved by binary fission and spore formation. There are different proteins ...

Q: Annelids (include leeches, earthworms and polychaete worms/ use their coeloms as hydrostatic skeleto...

A: Annelida is a group of segmented worms. They have a long and segmented body. Annelids are bilaterall...

Q: MAKE CONNECTIONS Chromosomescontain the genetic material and reside in thenucleus; how does the rest...

A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are fou...

Q: In unicorns, two autosomal loci interact to determine the type of tail. One locus controls whether a...

A: Introduction  Here, in the given question for one character allele “T” Tail is dominant over allele ...

Q: Sodium-potassium pumps help nerve cells establish avoltage across their plasma membranes. Do these p...

A: The nervous system consists of neural tissues. Neurons, also known as nerve cells are the fundamenta...

Q: Describe the brain of lizard?

A: Step 1 Reptilia is a class of poikilothermic amniotic creeping or crawling tetrapods which possess d...

Q: Discuss the biochemical effects of acute vs. chronic ethanol intoxication and show thesignificant di...

A: Acute alcohol intoxication is a condition associated with drinking too much alcohol in a short amoun...

Q: What central fiber tract connects forebrain and brainstem structures with the hypothalamus?a. cardia...

A: The nervous system consists of neural tissues. Neurons, also known as nerve cells are the fundamenta...

Q: Demonstrate an experiment to show the process of transpiration.

A: The transpiration is the process that takes place within the plants. It is the process in plants in ...

Q: Write down the biotechnological applications of enzyme in different industry?

A: Catalysts are chemical compounds that help in increasing the rate of reaction. In the biological sys...

Q: According to the latest researches in Physical Anthropology, what is the relationship between Neande...

A: Physical anthropology is also known as biological anthropology. It is a branch which focuses on the ...

Q: Explain how the concentration gradient determines the rate and amount of material that diffuses acro...

A: Diffusion -It is the process of passive transport in which molecules move from the zone of higher co...

Q: What is labelled diagram of convoluta (Plathyhelmenthis) ?

A: Convoluta is an acoelomate organism of Phylum Platyhelminthes. They have a single-opening digestive ...

Q: Why is CSLM able to view different layers in a thick preparationwhile bright-field microscopy cannot...

A: The technical field that uses microscopes to observe objects and their areas that cannot be seen wit...

Q: Researchers have identified a gene in humans that (when mutated) causes tremors and unstable walking...

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that con...

Q: Which of the following is not a method used in genetic testing?a. Chromosome walkingb. DNA sequencin...

A: Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains. It coils around eac...

Q: Absence of bicoid mRNA from a Drosophila egg leads to theabsence of anterior larval body parts and m...

A: Drosophila is a genus of flies, belonging to the family of Drosophilidae, whose members are often ca...

Q: What effects of heterozygosity for a deletion?

A: In a spontaneous deletion, 2 chromosomes break to remove the intervening segments. By deletion 1 or ...

Q: . Describe three key amniote adaptations for life on land.

A: Amniotes are vertebrates which are tetrapods having an amniotic egg. Reptiles, birds, and mammals ar...

Q: Apply a chi square analysis to distinguish between linkage and independent assortment?

A: A chi-square test is a type of test in which two different characters are taken to be compared betwe...

Q: Phenylketonuria (PKU) is a disease that results from a recessive gene. Suppose that two unaffected p...

A: Genetic disease is caused due to mutation in the gene that may result in malfunction of the gene exp...

Q: What are the destinations of the organic material fabricated by the producers?

A: Producers are autotrophs that are able to synthesize their own food (organic) from raw material (ino...

Q: Among the biotic components of the ecosystem, the producer system is ? Sea Rivers Green Plants Anim...

A: An ecosystem is a large community of living organisms in a specific area in which the biotic and abi...

Q: What is the colour of oxygenated blood?

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the entir...

Q: Which bacterial genetic transfer process does not require recombinationwith the bacterial chromosome...

A: Conjugation is one of the defined processes of transfer of the genetic material between the bacteria...

Q: What are the characteristics of endosteum?

A: Skeletal connective tissues is also known as supporting tissue as it provides support to the body, p...

Q: What are the main humanblood group systems?

A: Blood grouping depends on the presence or absence of antigens on the surface of the red blood cells....

Q: Why is foot care extremely important for people withdiabetes mellitus?

A: Diabetes is a chronic, metabolic disease characterized by elevated levels of blood glucose, which le...

Q: 5   Humans are animals too. a. Why do we distinguish between human behavior and animal behavior?

A: Humans are called social animals. The study of human behavior is termed as psychology whereas animal...

Q: picture shows the results of a cross between a tall pea plant and a short pea plant. Q. What phenoty...

A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information...

Q: _ means having cell number constancy (monoicous/ parthenogenesis/ dioeciously/ eutely)?

A: Cells are the basic structural, functional unit of life. They are also referred to as the building b...

Q: Why is resazurin a useful media additive for the study of anaerobes?

A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a blue/purpl...

Q: Identify each of the following structures as haploid or diploid.(A) sporophyte(B) spore(C) gametophy...

A: Kingdom Plantae consist of all the plants on the earth. The life cycle of organisms is the series of...

Q: What are deletion mutation with suitable example?

A: Mutations are the alterations or the changes that occur in the DNA. Mutations are variations in codo...

Q: Are viruses generally considered living or nonliving? Explain.

A: A virus is defined as a non-cellular entity that consists of either DNA or RNA as a genetic material...

Q: Fill in the blank:  The auditory tube opens through the wall of the ______________.

A: The auditory tube is also known as Eustachian tube.  This auditory tube extends from middle ear to p...

Q: What factors possibly affect the size of the infectious dose?

A: Microbes that cause disease and infection in humans and animals are said to be infectious microbes o...

Q: While sampling marine plankton in a lab, a student finds a large number of fertilized eggs. The stud...

A:  Features given in the question are :  1 .the blastopore becomes the mouth: In protostomes, the blas...

Q: What are outbreeding and out-crossing?

A: Breeding is the process through which propagation, growth or development occurs in sexual reproducti...

Q: With regard to the numbers of sex chromosomes, explain whydosage compensation is necessary

A: Epigenetic inheritance is one of the examples of non-Mendelian inheritance pattern. It is an alterat...

Q: When blood calcium levels are low, PTH stimulates________.a. urinary excretion of calcium by the kid...

A: Hormones are the chemical messengers that are secreted into the blood by the glands presents in the ...

Q: The contraceptive 'SAHELI' is?

A: Contraception is the deliberate use of artificial methods or other techniques to prevent pregnancy a...

Q: Fill in the blank:  _______ turns food into a new form: a form that cells can use.

A: Introduction Biomolecules are generally found in the complex form such as in polymer stage. Cells in...

Q: In light of your personal conservation effort, consider the balance of personal choices and societal...

A: Air pollution is a serious problem of concern. It increases the risk factor for heart disease, strok...

Q: What is real-time PCR?

A: Besides tools, there a several techniques which are used in recombinant DNA technology. These techni...