Question

Name the spot in the retina where no photoreceptor is present and optic nerve is formed.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Biology

Human Anatomy

Animal Physiology

Related Biology Q&A

Find answers to questions asked by students like you.

Q: Meiosis is relatively rare and mitosis is relatively common. Which of the following makes meiosis di...

A: Cell divides into new daughter cells when it reaches to a particular size. Normal somatic cells unde...

Q: Certain repeated sequences in eukaryotes are flanked by short direct repeats, suggesting that they o...

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

Q: name the The components of a nucleotide

A: Nucleotides are organic compounds that act as building blocks of the nucleic acids Deoxy ribonucleic...

Q: Where are glomerulus present?

A: The kidneys are two bean-shaped organs present in the vertebrates. They are located on the left and ...

Q: 5) How many different bases are found in DNA a) 1 b) 2 c) 3 d) 4

A: DNA is the genetic material in the majority of the living species. Deoxyribonucleic acid is made of ...

Q: What is tendril? Name any two types of tendrils.

A: Leaves are the structures on the plant which help the plants to carry out photosynthesis and produce...

Q: How are gametes formedin the pteridophyte life cycle,by mitosis or meiosis? What isthe type of meios...

A: Pteridophytes belongs to the category of vascular plants as it contains both, xylem and phloem.  See...

Q: Reproduction in marine pelagic fishes and in benthic freshwater fishes is distinctively different. H...

A: INTRODUCTION: Freshwater fishes and marine fishes reproduce distinctively as they both live in diffe...

Q: Differntiate between dianoflagellates and eulenoids?

A: R.H. Whittaker proposed a five-kingdom classification in which Protista is a kingdom which comprises...

Q: Answer the following biology question in detail: If some one consumes the artificial steroid then wh...

A: Artificial steroids are androgenic compounds that are structurally similar to the male reproductive ...

Q: In chickens, comb shape is determined by alleles at two loci (R, r and P, p). A walnut comb is produ...

A: Epistasis is the process where one gene influenced the phenotypic effect of another gene. The gene w...

Q: What is packaged into capsids during maturation?

A: A capsid is the outermost covering that is proteinaceous in nature.  

Q: what are gene families?

A: A gene is a basic functional and physical unit of heredity. Genes are made up of deoxyribonucleic ac...

Q: What are the antigens andthe respective antibodies ofthe ABO blood group system?

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

Q: A recently married couple are both heterozygous for cystic fibrosis, a recessive genetic disorder. T...

A: Cystic fibrosis is an inherited disorder that causes severe damage to the lungs, digestive system, a...

Q: What is a dimorphic fungus?

A: Organisms belonging to the kingdom Fungi are heterotrophic and have chitin cell walls. Being a heter...

Q: Explain briefly the structure of ependymal cells.

A: The nervous system is composed of nerve cells or the neurons that are the most extensively spread ce...

Q: Describe the properties of emerging viruses.

A: A virus is a very small submicroscopic agent that is known for causing infections in its host organi...

Q: Why is haptoglobin depletion the most sensitive indicator of hemolysis among plasma proteins? Becaus...

A: Haptoglobin is a protein encoded by the HP gene. It is mainly synthesized in the hepatocytes. In the...

Q: VizamylTM is used in brain scans for Alzheimer’s disease. Draw the structure of VizamylTM and identi...

A: VizamylTM is a molecular agent used in imaging the aggregates of β amyloid in the brain. It contains...

Q: What critical event occurs during the S phase of the eukaryoticcell cycle?a. Cells make a decision o...

A: The cell cycle is the series of events that take place in a cell leading to division and duplication...

Q: What cell-surface event wouldlikely fail if a sperm contactedan egg of another species?

A: The process in which haploid gametes (egg and sperm) fused to form diploid zygote is called fertiliz...

Q: Where are interstitial lamellae present?

A: The skeletal system is made up of cartilages, bones, and the ligaments. They are linked together to ...

Q: Generally YAC contains how many elements?a) 1b) 2c) 3d) 4

A: YAC stands for yeast artificial chromosomes and is widely used in the field of genetic engineering. ...

Q: What happens if a Nucleoid is missing?

A: Nucleoid is the structure present in prokaryotic cells. Prokaryotic cells are the ones that do not h...

Q: What is a goiter? What isendemic goiter? How is thisproblem socially solved?

A: Metabolism refers to all the chemical reactions occurring in the body that are involved in maintaini...

Q: What effect does crossing over have on linkage?

A: Linkage is a tendency of the genes present on a chromosome to remain linked together and also passed...

Q: What are twins?Genetically what are the twotypes of twins that can begenerated?

A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a ...

Q: Why do ribosomes movealong mRNA duringtranslation?

A: Ribosomes are present in all cells eukaryotic and prokaryotic cells and function to synthesize prote...

Q: Briefly explain how site-directed mutagenesis is carried out.

A: Site-directed mutagenesis is a technique in which inducing mutation in the particular region of the ...

Q: Which of the following prenatal genetic testing methods is donein conjunction with in vitro fertiliz...

A: In vitro fertilization (IVF) is a process of fertilization where an egg is combined with sperm outsi...

Q: Describe the uses of BLAST searches in comparative genomics.

A: BLAST stands for BASIC LOCAL ALIGNMENT SEARCH TOOL. It is a type of computer algorithm that is acces...

Q: Suppose at the end of a hard runon a hot day you find that there are no drinksleft in the cooler. If...

A: Homeostasis is the ability of an organism to maintain a relative constant internal body environment....

Q: Representation of pedigree analysis of autosomal dominant traits?

A: Introduction  Pedigree Analysis: this is the new approach to study the inheritance pattern in the fa...

Q: MAKE CONNECTIONS Explain how table salt hasemergent properties.

A: The emergent property of molecules is defined as the formation of a molecule having a new property w...

Q: What is potable water?

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

Q: What do osmosis, diffusion, filtration, and themovement of ions away from like charge all have incom...

A: The movement of solute molecules from solution of low concentration to solution of high concentratio...

Q: What structural feature do hemoglobin,c c, chlorophyll have in common?

A: Cytochrome C, hemoglobin, and chlorophyll are biological molecules that take part in different metab...

Q: Draw diagram of cell in hypotonic solution and hypertonic solution.

A: A hypertonic solution is one that has more solute concentration than the reference solution. Its wat...

Q: From the results of the experiment , explain how we know that the kiwis are more closely related to ...

A: Kiwis, emu, moas, and cassowary are all flightless birds belonging to a diverse group called ratite....

Q: What are the two divisionsof the autonomic nervoussystem?

A: Autonomic nervous system is a type of efferent nervous system from the peripheral nervous system whi...

Q: Trichothiodystrophy is a human inherited disorder characterized by premature aging, including osteop...

A: Trichothiodystrophy is a rare, autosomal recessive disease which is characterized by brittle sulfur ...

Q: Give an example of a medically relevant biofilm that forms invirtually all healthy humans

A: Introduction: Biofilm is defined as a community of microorganisms attached to the surface, embedded ...

Q: What characteristics are most commonly found in rho-independent terminators?

A: Terminator is a segment of nucleic acid sequence. In the process of transcription, the terminator re...

Q: Using figure  (reproduced below) as a guide, explain theprocesses occurring between Salmonella (pink...

A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse condition...

Q: What happens when an individual receives a transfusion with an incompatible blood type?

A: The blood is a fluid connective tissue formed of liquid portion plasma, and the solid portion called...

Q: What sequence elements are found within the core promoter of protein-encoding genes in eukaryotes? D...

A: Gene expression is a process by which the genes are turned on to form RNA and proteins. Transcriptio...

Q: In humans, a very rare dominant allele that causes the little fingerto be crooked has a penetrance o...

A: Penetrance is the probability of expression of a trait or gene. In a few cases, the phenotype is not...

Q: Proteins are polymers of amino acids that fold in which three dimensions?

A: Proteins are the building block of the body. They are composed of units of amino acids joined togeth...

Q: List and explain three conditions that could lead to acidosis?

A: When there is too much acid in the body fluids, then the condition is known as acidosis.  Acidosis o...