Why can't many researches be undertaken without any living animals? why is a dish of cells not enough or using computer simulations/mathematical models?

Q: Some animals use diffusion instead of a circulatory system. Examples include: A. sponges and jelly...

A: The circulatory system is used by multicellular organisms to carry oxygen and nutrients throughout t...

Q: (a) (b) P generation Beardless O F, generation Bearded O Bearded ? Beardless Y B*B+ B*Bb B*Bb BbB b ...

A: Sex influenced traits-  such a treat present in both sexes ( male and female) however in one sex it ...

Q: Mating took place between males and females of a fruit fly, and individuals appeared With the follow...

A: Introduction: In Drosophila, sex determination is determined by a balance of female determinants on ...

Q: Describe the components that make up ATP and how they are assembled and taken apart. Use the terms e...

A: ATP, or adenosine triphosphate, is a chemical that transports energy within cells. It is the cell's ...

Q: It is all about the flowering plants-use for asexual and sexual reproduction example

A: Introduction  Reproduction is the key to the survival of a species. All organisms reproduce to produ...

Q: Compare and contrast the following processes in plants and animals

A: Plants and animal both look very different from each other physically. But when we take a look at th...

Q: SOR A the tree to determine which lineage is oldest. nstructional Hagfish Salamander Lizard Perch Mo...

A: Introduction: A cladogram is a representation of how different organisms are related.

Q: The S (spike) glycoprotein of coronaviruses can engage receptors by the N-terminal domain, the C-ter...

A: According to the question, the newly discovered coronavirus has a S protein with an N-terminal domai...

Q: How do some species manage to exist in the absence of sunlight and photosynthesis? how do you obtain...

A: The organisms that can perform photosynthesis and obtain the food from the sunlight and carbon dioxi...

Q: Transcription factors such as myoD control gene expression in which of the following ways? Group of...

A: MyoD, also known as myoblast determination protein, is a protein found in mammals that regulates mus...

Q: How many chromosomes are there in the somatic cells of a newborn boy with: a. The cri-du chat syndro...

A:  Chromosomes are responsible for our inherited characteristics . Any abberation in chromosome no. Or...

Q: Characterize disturbance, succession, and notions of community change

A: Every living organism interacts with and is dependent on its surroundings in a variety of ways. Each...

Q: Describe briefly the perks, disadvantages and use of 16s rRNA genes in taxonomic level of classifica...

A: The gene sequence of 16s RNA comprises of hyper variable regions. These regions are known to provide...

Q: How are gibberellins used in plants and why are they used in agriculture? What does it mean when abs...

A: GA is a, plant harmones. 

Q: Which of the following statements are false about prokaryotic transcription? In bacteria, transcript...

A: Transcription is the production of RNA from the DNA template strand. It is also known as gene expres...

Q: he following is not a proper taxon?

A:

Q: Are there any disadvantages for using Hematology Blood Analyzers? Briefly describe these possible di...

A: There are few points to know about hematology blood analyzers . These are as follows. It is mostly ...

Q: In a population the homozygous dominant individuals (AA) made up 49% of the population, while hetero...

A:

Q: The main idea behind the Mediterranean diet is to reduce one’s risk for? A. Type 2 diabetes B. Obesi...

A: Mediterranean diet   From a traditional view, this diet involves huge amounts of fresh fruits and ve...

Q: Sue goes to the gym and after an initial warm-up, she increases her exercise level pushing herself t...

A: The quantity of blood squeezed out per ventricle every minute is known as cardiac output or heart ou...

Q: A hypothethical population of 10,000 humans has 6,840 individuals with the blood type AA, 2,860 indi...

A: In the given problem, the following are true for the hypothetical population, Now according to the H...

Q: 1.Chimpanzees and humans appear very much alike because of? *         a. common adaptations to simil...

A: The evolution takes place at a very slow speed where characters keep on accumulating and form new sp...

Q: After arriving at the ER, Leo was put on an iv and was administered nitroglycerin to cause coronary ...

A: A myocardial infarction (also known as a heart attack) is a life-threatening disorder caused by a sh...

Q: RCENTAGE

A:    Timeline of life on Earth. These are the Hadean (4.6 billion to 4 billion yea...

Q: Deontology theory about euthanasia

A: Introduction: Euthanasia is the intentional ending of a person's life in order to relieve pain and s...

Q: Biological Hazards: I need example about Fungi: (Just a brief summary

A: Introduction: Biological hazards, commonly called biohazards, are biological chemicals that harm the...

Q: At which stage of the Central Dogma does MOST of the regulation of gene expression occur? O Post-tra...

A: * central dogma is the conversion of Dna into proteins was discovered by Francis Crick. *According t...

Q: What are the unique/distinctive characteristics of a specific taxon relative to other taxa?

A: *Taxon is plural of taxa it means group of one or more organism to form as a unit. *It also refers t...

Q: Summarize and compare the majortypes of species interactions

A: Organisms live within an ecological community, which is defined as an assemblage of populations of a...

Q: Q-6 Explain the significance to organisms (plants and animals) of water as a coolant and transport m...

A: Answer 

Q: Glycolysis: Summary:           Where does it occur?

A: Respiration is the process of producing energy by oxidation of food that we consume  Respiration can...

Q: Describe how the transfer of electrons between molecules relates to energy transfer in the cell.

A: In today's mitochondria, the electron transport chain consists of numerous complexes, including the ...

Q: What should be t x E Ciana FSA Create Account| A Mendel and his Po E Ciana Martin - [Te nd his P X c...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: a) Discuss the role of Wnt pathway in the normal development of epithelia within the colon – stem ce...

A:   *Wnt Pathway signalling has many functions like  proliferation  differentiation apoptosis  Haemos...

Q: What are the types of evidence and procedures that can be used to establish evolutionary relationshi...

A: Evolution can be defined as the change in something or change of something (can be habit, behaviour,...

Q: In a dramatic debate that helped to define neuroscience during the Victorian era, two researchers he...

A: Neuroscience It is defined s the branch of science that studied the brain and its impact on behavio...

Q: Differentiate the following according to their anatomical characteristics. Give at least five differ...

A: AGNATHA:- Agnatha are the Jawless vertebrates, in the phylum Chordata, subphylum vertebrata. Example...

Q: Identify the cell structure providing for cell morphology in the Staphylococcus epidermidis and Esch...

A: Cell morphology describes the shape, structure, form, and size of cells. In order to examine the cel...

Q: How are memories both localized and distributed in the brain?

A: There is still much unknown about how memories are formed and stored in the brain. However, research...

Q: ative essay about in vitro fertilization and designer babies

A: A pre-implantation genetic diagnostic (PGD) test can be used to check for the presence of a genetic ...

Q: An individual has 2n = 14 chromosomes. How many chromosomes do we find in: a. A monosomic b. A triso...

A: Aneuploidy - It is a chromosomal condition in which there is a gain or loss of chromosome. There are...

Q: What types of organisms do Alcohol fermentation? Summarize this process.

A: Alcoholic fermentation (also known as ethanol fermentation) is a biological process that converts su...

Q: Is the organism causing COVID-19 living or non-living? why? Describe the molecular and cellular mech...

A: The viruses, bacteria and parasites are responsible for causing different diseases which in human bo...

Q: Use the tree to determine which trait evolved most recently. Salamander Lizard Perch Hagfish Mouse C...

A: Introduction: Evolution is the change in the inherited characteristics of biological populations ove...

Q: Name atleast 3 exocrine glands of the digestive system, give the organ where they are found and clas...

A:   Pancreas– Secretes pancreatic juice along with the digestive enzymes into the stomach. Salivar...

Q: Bacterial cells, which in general have dimensions lying between 1-4 µm, are resolved only with diffi...

A: Magnification in microscope is the ability to produce an image of an object at larger or smaller sca...

Q: Not graded, What answer choice?

A: A eukaryotic cell is much more sophisticated than a bacterial cell, which has only cytoplasm and onl...

Q: Enumerate and explain the scenarios that led to the extinction of fishes.

A: competition for habitat (water) Frequent alteration in habitat Eco-toxicity/pollution Introduction...

Q: (3) 1, (4) T, U, G, and C 2. Read.carefully the "help-wanted advertisement" below. Then select which...

A: Replication is the process of doubling the genetic material. In case of Eukaryotes,  DNA replication...

Q: P generation Red Cream y*y*c*c* уу сс Cross F, generation Red Y*y c*c b) F, generation Y*y c*c Y*y c...

A: Incomplete dominance occurs whenever a dominant genotype does not entirely cover the traits of a rec...