contrast the embryonic development of the starfish and the sea urchin.

Q: In mice, agouti fur color is dominant overr albino fur. Complete a Punnett square that crosses a het...

A: Given, agouti color fur in mice is dominant over albino fur. It is also given to cross a heterozygou...

Q: Describe the impact that the need for lumber and agricultural land has had on the environment. Expla...

A: Impact of Lumber on the environment:- Increases the harmful effect of winds and rain  The local val...

Q: . A 20-year-old woman collapses at a wild party several hours after taking ecstasy. Which one of the...

A: Ecstacy is a psychoactive drug, meaning consumption of it has an effect on the functions of brain. I...

Q: Remember that although there are many interesting ideas about genetic engineering of plants and anim...

A: Genetic engineering is a one of the modern technology to modify organisms, plants, crops & even ...

Q: Oxygen is required for the mitochondria to produce ATP. True

A:

Q: In fruit flies, brick-red eye color is dominant to a bright orange color called cinnabar. A fruit fl...

A: The correct Answer is C

Q: Question 8 What causes eyeshine in some animals like cats? O a reflective layer at the back of the e...

A: 8. ANSWER;- A reflective layer at the back of the eye that allows light to bounce around more, enhan...

Q: 1. Describe what malaria is and where it is prevalent in what areas of the globe and in what habitat...

A: Often diseases are caused by various pathogenic microbes that are found in unhealthy and unhygienic ...

Q: Edmontosaur description

A: Edmontosaurus is a genus of hadrosaurid dinosaur. It contains two known species: Edmontosaurus regal...

Q: Identify the statement below that is the MOST TRUE O All personality traits are equally heritable.

A: Personality traits are those which we acquire during our lifetime.

Q: What are the conditions that might cause a cell to halt the cell cycle

A: Introduction: A cell cycle is a set of events that occur in a cell as it divides and grows. A cell s...

Q: 2- Supposed that you have a DNA sequence sample with 10,000 bp. By using 2 different restriction enz...

A: The answer is 3.

Q: The lumbar region is ________.a. inferior to the gluteal regionb. inferior to the umbilical regionc....

A: Vertebrae of a human spine is divided into cervical, thoracic, lumbar, sacral and coccygeal. Out of ...

Q: Cytoplasm of a plant cell divides by the process of_____ . a. telekinesis c. fission b. nuclear divi...

A: Introduction Cytoplasm is a viscous liquid that fills each cell and is surrounded by the cell membra...

Q: Genetic drift and natural selection can both result in rapid evolution. However, A. natural selectio...

A: Genetic drift is the change in frequency of the alleles over generation due to chance i.e. sampling ...

Q: What property of the various cytochromes ensures unidirectional electron flow along the electron-tra...

A: Cytochromes, a family of metalloproteins which performs one-electron transfer reactions, in biologic...

Q: For below problem, consider a diploid cell that contains three pairs of chromosomes designated AA, B...

A: The survival of living beings necessitates continuous multiplication. Cell division is required for ...

Q: . A solute cannot move into a cell by crossing the phospholipid bilayer of the membrane. It can, how...

A: If a Solute cannot move into a cell by crossing the phospholipid bilayer of the membrane. 

Q: Describe what would happen to the precursor of a mitochondrial matrix protein in the following types...

A: Introduction Mitochondria are biological organelles found in vast quantities in most cells that perf...

Q: Meiosis_______ . a. occurs only in animals b. supports growth and tissue repair in multicelled  spec...

A: Meiosis is a cell division that forms four progeny cells from a single parent cell.  

Q: life history patterns and how different

A: Life history-A history of the changes through which an organism passes in its development from the p...

Q: With over 369,000 species of angiosperms alone, why do you think we get most of our nourishment from...

A: Angiosperms are plants that produce flowers and bear their seeds in fruits. They are the largest and...

Q: 5. Suppose that you made a mistake when you set up the thermocycler program and omitted the first 2 ...

A: Answer: 5 : the first 2 minutes at 95 degree Celsius is needed to open the dna if this is omitted th...

Q: Complete the table below showing the sequences of DNA, MRNA codons, RNA anticodons and the amino aci...

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: A c...

Q: List and explain at least 3 Bacterial infections of the skin

A: EXPLANATIONBacterial skin infection: Bacterial skin infections form when bacteria enter through hair...

Q: The normal level of calcium in blood ranges from 8.5 to 10.2 mg/dL. It must be tightly controlled. M...

A: Hormones are biological compounds secreted by neurosecretory or endocrine glands that help to mainta...

Q: Differentiate how the function on support is achieved between animals (specifically humans) and plan...

A: The function is support, although similar in outcome, is achieved by vastly different methods in pla...

Q: 3. Describe the effect of malaria on the frequency of the Hbs allele in areas where is common in are...

A: Sickel cell anemia is a genetic disease in which the RBCs present in the blood changes its shape fro...

Q: The role of creatine phosphate in muscle cells is to: provide energy for muscles during extended phy...

A: Creatine phosphate serves as an “energy buffer” in muscle it is a high-energy, phosphorylated, nitro...

Q: 1. Reports about a man who successfully undergone xenotransplantation of a pig heart in replacement ...

A: Introduction :- Transplantation is method or process by which the cells , tissues , organs are trans...

Q: Highlight the answer or write it in short sentences

A: A phenotype is the physical expression of DNA. In contrast, the genotype is the chemical make up of ...

Q: Gould and Lewis make the claim, "Our energy-related social, environmental and public health problems...

A: Renewable energy sources such as solar, wind, geothermal energy, biomass, and hydroelectric energy c...

Q: Explain the interaction of heredity and environment?

A: Interaction between heredity and environment 

Q: unknown species? Make an output on how you can help in the protection of the unknown species in the ...

A: A species of animal or plant that is seriously at risk of extinction are called endangered species. 

Q: QUESTION 7 like the flagella of Not all bacteria are motile, but for those who can move, a flagella ...

A: Flagella is a structure present in both prokaryotes and eukaryotes and helps in cell movement. Pleas...

Q: 6-11. Match the segment of the nephron in the first column with the correct epithelial lining. Refer...

A: Nephron is the functional unit of the kidney which helps in the process of removing waste in the uri...

Q: Hardosaurs like edmontosaur or others what ways they can defended against predators like tyrannosaur...

A: Dinosaurs have helped scientists comprehend the Earth and its history by allowing them to examine di...

Q: The drug butenamide blocks the co-transporters for Na+ and Cl- in the ascending limb of the loop of ...

A: The drug butenamide is a loop diuretic whose main function is to block the Na+ k+ 2cl-  co transport...

Q: Describe the purpose of cell cycle checkpoints.

A: Introduction  The cell cycle is controlled by various internal and external factors such as the amou...

Q: What is a selective sweep? O When a beneficial mutation is lost due to genetic drift. O When a benef...

A: Certain terms are fundamental concepts in biology, the study of living organisms. Theses terms are s...

Q: What effect do sodium, caffeine, and alcohol have on calcium levels in the body?

A: The human body is made up of everything that makes you, you. Our genetic information determines and ...

Q: Dinosaurs like edmontosaur how do they defend themselves from predators like trex? Trex has most pow...

A: Paleontology is the study about fossils and it grouped the living things present at that time and th...

Q: Illustrate the Parental and F1 cross

A: Trihybrid cross is between the two individuals of a species for studying inheritance of three pairs ...

Q: Describe the source or sources of energy needed for unidirectional translocation across the membrane...

A: RER is the site for the formation of proteins as it is studded with ribosomes.

Q: Acetic acid (a weak acid with a pKa of 4.75) and ethanol (an alcohol) are each composed of two carbo...

A: The plasma membrane is primarily composed of lipids. These are made up of fatty acids and glycerol. ...

Q: Which of the following characteristics of a water-insoluble substance is most important in governing...

A: Diffusion is a random motion of molecules and movement of water from high to low concentration. 

Q: An 82-year-old woman is brought to the emergency room complain- ing of nausea, vomiting, muscle cram...

A: Introduction: Hyperkalemia is a condition of high potassium levels in blood.

Q: Compare the advantages of Linnaean and phylogenetic classification systems

A: Introduction: Classification is a very important aspect of Biology. It has greatly eased the study o...

Q: MDCK cells Jurkat cells 45 sphingolipida/GPL 45 sphngolpds/GPL cholesterolGPL 4. 4. 3.5 cholesteroGP...

A: DRM or detergent resistant membrane is mostly prepared by applying any detergent (such as: Triton X)...

Q: Explain the cell division limit and its fail-safe function

A: Introduction  Almost all cells in the body can divide and form new daughter cells however, there are...