Describe a prokaryotic cell in depth and give an example of an organism that is made of prokaryotic cells.

Q: How do Fibonacci numbers exist in art and architecture, animal anatomy, and human anatomy?

A: Human anatomy is the study of the human body's structures. An understanding of anatomy is essential ...

Q: How do fossils support evolution? Group of answer choices The fossil record provides evidence that a...

A: The fossils are the preserved structures of organisms in the sedimentary rocks. The sedimentary rock...

Q: What kind of results can we get from measuring O2 and CO2 production of spinach leaves in the light ...

A: Photosynthesis has both light and dark reactions  Light reactions are called so because they happen ...

Q: Resting phase of the cell, where it undergoes growth and DNA replication is called a) Mitosis phase ...

A: Cell cycle: it is decided into many phases such as resting phase, preparatory phase, and division ph...

Q: Translocations occurs between A) homologous chromosomes B) Nonhomologous chromosomes C) homologous c...

A: The migration of chromosomal sections among chromosomes is known as interchromosomal translocation. ...

Q: A 62-year-old man came to the ED (emergency department) with complaints of fatigue, weight loss, jau...

A: Anastomosis: it is an opening or a connection between two passages or cavities that are normally bra...

Q: In DNA replication, the cell needs to have a complete set of genetic materials, so the parental cell...

A: DNA replication is a process to form replica of chromosomes. this is done because cell division by m...

Q: 10 points Save Answer What phylum is this organism in?

A: Answer -1:-  It belongs to phylum nematoda They are parasitic in nature with needle like structure a...

Q: If a component is heat sensitive, how might you conveniently achieve sterility of that medium? a. f...

A: Option A i.e. filtration

Q: Cell cycle checkpoints are surveillance mechanisms that monitor the integrity and fidelity of the ma...

A: A check point is a stage in eukaryotic cell cycle at which the cell examines internal and external c...

Q: A river reached a flood that was passing through it. At a given instant, the storage of water in the...

A: A branch of earth science that is related to the water in streams and lakes, rainfall and snowfall, ...

Q: Of what practical importance are air borne microorganisms to the laboratory workers?  What precauti...

A:

Q: What is the importance of preparing direct fecal smear for examination? What are the characteristics...

A: The direct faecal smear technique is the simplest and most efficient method for detecting intestinal...

Q: Explain why loss-of-function hedgehog and smoothened mutations yield the same phenotype in flies, bu...

A: The Hedgehog signalling pathway is responsible for transferring information to embryonic cells. Thes...

Q: A family that exhibits Fragile X syndrome is shown in the pedigree. In the pedigree, squares represe...

A: Introduction: Fragile X syndrome has triplet repeats at the fragile site. It involves learning disab...

Q: Elaborate how cryoprotectant protect cells from freezing injury.

A: Freezing cells, maybe animal cells or plant cells, is done to preserve cells for a long period of ti...

Q: Search the NCBI protein database using the EC number, limit your search to Mycobacterium tuberculosi...

A: We know about protein data base as we get the information of nucleic acid sequence or protein sequen...

Q: 17. In experiments to test the appetite-suppressing effects of PYY3_36, why must the hormone be admi...

A: Hormones are a group of chemicals which have certain regulatory action on specific tissues  Hormones...

Q: In outline form discuss the steps of Ziehl-Neelsen staining Complete the table for National Reportin...

A: It was developed by Ziehl and later on modified by Neelsen. So this method is also called Ziehl-Neel...

Q: Describe how the increase in oxygen affected the existingorganisms and how it set the stage for the ...

A: ANSWER:  During the late Proterozoic era, i.e between 700-550 million years ago there was a sudden s...

Q: The _______________ catalyzes the excision of introns from pre-mRNA. (a) ribosome (b) spliceosome (c...

A: Transcription  It is the process by which gene's DNA sequence is copied into RNA molecule. It is a ...

Q: Question:- 1. Brassica oleracea is the wild plant from which brussels sprouts, cabbage, broccoli, a...

A: Brassica oleracea is a wild plant species that are modified through artificial selection to produce ...

Q: Which factor most directly limits the variety of herbivores living in an area? a) amount of nitrogen...

A: Limiting factor:- It is the factor that limits the reaction rate in any physiological process govern...

Q: Fruit flies express both normal wing shape and vestigial wing shape. The pedigree shows the inherita...

A: Introduction :- Vestigial organs are organs that have no obvious function and are thought to be left...

Q: A monogamous couple is researching birth control methods. They want children in the future, and the ...

A: Introduction Monogamous:- Monogamy is a form of relationship in which an individual has only one par...

Q: QUESTION 4 Patients with 5 alpha reductase-deficiency undergo masculinization at puberty because: O ...

A: 5-alpha reductase deficiency can be referred to as a genetic disorder that impairs sexual developmen...

Q: Gibbons are knuckle-walkers when on the ground. True or False

A:

Q: A species of geese migrates to an area with several other geese population. What might occur as a re...

A: 1. Mutation:- It is a change in a DNA sequence, it occurs when a DNA gene is damaged or changed in s...

Q: atelets platelet plug formation hemophilia megakaryocytes coagulation thromboxane A2 serotonin agula...

A: Hematopoietic cells or megakaryocytes, are essential for the generation of blood platelets. The clas...

Q: In pygmy grasshoppers individuals are highly variable in coloration.  They live on gravel at the edg...

A: One of the key mechanisms driving evolution is what's known as natural selection. This is the proces...

Q: Explain the preferable microscope settings for studying fertilization & maturation in sperm cells.

A:

Q: What is the probability (percentage) of purple flowers offspring if purple flowers are dominant to w...

A: Answer :- The probability of purple flowers offspring if purple flowers are dominant to white flower...

Q: In the hawk-dove game, at what value of c do doves and hawks have equal payoffs when hawks are extre...

A: ANSWER;- In the hawk-dove game, doves and hawks have equal payoffs if c=0.  

Q: How might an evolutionary biologist explain why a species of birds has evolved a larger beak size? L...

A: Introduction: Darwin's theory of evolution is survival of the fittest.The theory of evolution by nat...

Q: At birth, ovaries contain all the that person will make in their lifetime O Eggs Secondary oocytes P...

A: Females gametes are known as eggs. Female babies are born with all the egg cells that would last for...

Q: platelets formed elements fibrinogen erythrocytes globulins leukocytes connective plasma fibrinogen ...

A: Blood  Blood in the fluid that transport various substance to the whole body parts.

Q: Gregor Mendel (Father of Genetics) about his life and make an essay about his science experiments an...

A: About life:- Gregor Mendel, an Austrian monk, is widely regarded as the father of genetics. Many his...

Q: The enzyme Ste11 participates in several distinct MAP kinase signaling pathways in the budding yeast...

A: Ste11 is the mitogen-activated protein kinase (MAPK). The MAPK cascades is involve in mating, high o...

Q: In cacti, the leaves are reduced into spines. Give some reasons why the cacti underwent such modific...

A: Leaves of cactus plant are modified into spines. Spines play an important role for plants situated i...

Q: Describe the process of protein synthesis and associated post translational modifications.

A: Post-translational modification (PTM) refers to the covalent and generally enzymatic modification of...

Q: Birds are more likely to form pair-bonds than mammals because … Group of answer choices: A. Bird re...

A: Pair bond is a mating pair of male and female that serves great importance in species. 

Q: One such laboratory study investigated the binding of a hormone to three different receptor proteins...

A: The traditional ligands that bind to haemoglobin, dioxygen, carbon dioxide, and protons reversibly a...

Q: A strawberry juice containing 5x10 bacteria cells/ml is pasteurized at 80°C for 30s. The average D-v...

A: Established industry practiceThere is an established practice among fruit juice manufacturers and bo...

Q: In the cancer gene detection lab, a restriction enzyme is added to the p53 genes taken from differen...

A: If the DNA is linear then number of fragments obtained is (N+1) where N is the number of restriction...

Q: Discuss the suitability of bromocresol green and thymol blue (2nd change only) for use as indicators...

A: The term acid-base indicator is associated with a dye that plays an important role in changing color...

Q: Why are endospore vials used to test autoclave function?   A. they change color when killed B. they...

A: The whole Earth is full of a lot of organisms. Unicellular and multicellular organisms inhabit the E...

Q: Non-disjunction of chromosome 21 during meiosis one followed by fertilization can result in all of t...

A: An zygote with nondisjunction has 3 duplicates of chromosome 21 rather than the usual two. A pair of...

Q: An organism’s relative fitness is measured by its ______. Group of answer choices Genetic variabilit...

A: In biology, Darwinian fitness or simply fitness of a biological trait describes how successful an or...

Q: The Most Recent Common Ancestor (MRCA) is an individual who donated DNA to every single living perso...

A: The statement that describes the human MRCA based on mitochondrial evidence is: A. A woman who lived...

Q: The more dangerous type of translocation?

A: Translocation is the process of rearrangement of chromosomes in a out of phase and irregular manner ...