What is the K-T Boundary?

Q: Define the term Dilatation?

A: The human body is a machine that works in a coordinated way to carry out all essential life…

Q: Define the term “kiss-and-run fusion”?

A: Introduction: Hormones and neurotransmitters get released from neurosecretory cells via the fusion…

Q: explain thigmotropism?

A: Thigmotropism means, moving with help of touch. Where, thigmo = touch, and tropism = tendency of an…

Q: Differentiate between D-value and z-value.

A: Introduction  Sterilization is the process of completely eliminating or destroying all microbial…

Q: What are male heterogamety and female heterogamety?

A: Gametogenesis is the process where the male and female gametes are produced in the organisms. The…

Q: Define retrograde,

A: Retrograde motion is an APPARENT change in the movement of the planet through the sky. It is not…

Q: What is the physiologicalcause of the syndrome knownas cretinism?

A: Creatinism is a hormonal disorder which occurs in the children. It is characterized by stunted…

Q: What is embroysac and explain its characterstics?

A: In plants, ovule is a structure that encloses the reproductive cells in females and contains…

Q: When Codominance occurs ?

A: Codominance pertains to the genetic phenomenon in which gene products from the two alleles in a…

Q: What is synapsid chromosome pair containing two chromosomes?

A: Chromosomes are the packed form of DNA and present inside the nucleus. The homologous chromosomes…

Q: What are the two fundamental components of agenetic switch?

A: Genetic switches are gene administrative channels; for example assortments of genes which act to…

Q: What is chromosome 19 disorder?

A: Chromosome number 19 consists of about 1500 genes which are responsible for providing instructions…

Q: What does J-shaped curve indicates?

A: A growth curve determines the growth of a population with respect to time. It is basically a…

Q: How do we determine “best fit”?

A: Line of best fit alludes to a line through a dissipate plot of information focuses that best…

Q: affect the nucleus?

A: Vincristine have the ability to binds with the microtubular proteins of the mitotic spindle, which…

Q: What is a Pericentric inversion?

A: The chromosomes are the thread like structure that contains hereditary information in the form of…

Q: What is the structure labeled A in the above picture and what the two functions of label A.

A: The given diagram is frog dissection. The scientific name of the frog is Rana tigrina.

Q: Where is the X and Y axis' found on a graph? When do you use a line graph, or bar graph , or pie…

A: It is very important to know how to represent data in a graph. A graph can show all the…

Q: Define how carbaminohemoglobin (HbCO2) is formed ?

A: Haemoglobin (Hb) is a quaternary protein found in the red blood cells (RBCs) that carries oxygen and…

Q: T CON Label this diagram of the layers and structures of the epidermis.

A: Human skin generally has 3 main layers. These are epidermis, dermis, and hypodermis. The epidermis…

Q: What do you mean by balancer chromosome ?

A: Chromosome is a long stretch of DNA, it is packaged with histone protein to maintain its integrity,…

Q: What is the condition forMendel’s second law to bevalid?

A: Mendel’s Second law defined the different pairs of alleles placed independently during the formation…

Q: What is trihybrid cross ?

A: Genetics is a part of science concerned about the investigation of genes, hereditary variety, and…

Q: Define about Standard Deviation ?

A: Standard deviation is a measure of dispersion which can be calculated by the positive square root of…

Q: What is the Bounding step?

A: There are many ways to strengthen the different part of the body. With exercises, we use a different…

Q: What is a golden spike?

A: The surface of the rocky planet Earth is composed of mountains, canyons, plains, and other features.…

Q: What is a special pair, and how does it function?

A: Photosynthesis is a process, during which green plants use light to produce sugar.

Q: Identify the encircled part. What is the function of this?

A: INTRODUCTION Bronchioles : The bronchi branched into small tiny tubules called bronchioles which…

Q: Define the class-aves and its structure?

A: Vertebrates are those organisms that have a spinal cord and it is surrounded by bone or cartilage.…

Q: What does it mean for a mutation to be allelic?

A: Mutation is the alteration in the nucleotide sequence of the genome of an organism. It takes place…

Q: What is an allelic mutation?

A: Gene is a unit of heredity that is transferred from 1 generation to another, from parents to their…

Q: what are the three structures shown in the pictures? a: b: c:

A: DNA is molecule that carries the genetic information in all living organisms.

Q: What is an inclusion body?

A: Inclusion bodies, also known as elementary bodies, are nuclear or cytoplasmic aggregates of stable…

Q: What do the terms epistasis and complementation mean?

A: A gene is a sequence of nucleotides in genomes that code for a specific functioning molecule. There…

Q: What is 18th chromosome abnormality?

A: The chromosomes are the thread like structure that contains hereditary information in the form of…

Q: What is a nuclues

A: Nucleus is a cell organelle present in the eukaryotic cells.It is a dominant cell organelle which…

Q: What does genetic heterogeneity mean?

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

Q: What are heterochromatic and euchromatic regions.?

A: DNA is the nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid in which…