Why can wet soils occur both near the equator, where rainfall is high, and at high latitudes, where rainfall is low?

Q: One of the major questions of regeneration is whether the cells keep a “memory” of what they had bee...

A: Muscles are specialised bodily parts that allow animals to move or locomote. Muscle tissues make up ...

Q: In Drosophila, the sepia mutation (se, chromosome 3, position 26) results in dark brown eyes, while ...

A: Introduction :- D. melanogaster is an ideal model organism due to a variety of characteristics. The ...

Q: How are symplast apoplast and the casparian strip interconnected with each other?

A: The pericycle, a cell layer just inside the endodermis, is where the secondary root is formed. The C...

Q: What advantage do fluorescent dyes and fluorescence microscopy provide in comparison to the chemical...

A: Microscope is the widely used laboratory instrument in the molecular biology, it is mainly used to e...

Q: In Figure 4-14, in the bottom row four colors are labeledSCO. Why are they not all the same size (fr...

A: Crossover is the event of recombination that occurs during meiosis.  

Q: The culture you are working has a doubling time of 2 hours and a cell density of 3 x 106 cells per m...

A: A serial dilution is a process of sequential dilution in order to decrease the density of cell cultu...

Q: Frog Testis

A: spermatogonium (plural: spermatogonia) is an undifferentiated male germ cell.

Q: What enzyme is missing in the Ahxk2 cells, and what reaction does the enzyme catalyze?

A: Wild type cells are usually considered as dominant. Here wild type cells (white) and hexokinase muta...

Q: Question 1 A T What is the sequence of the sample DNA submitted for sequencing given the gel electro...

A: The unknown DNA samples can be sequenced by the Sanger sequencing method. This method is based on th...

Q: In Find the genotype of the missing parent. In Andalusian fowls, the black (B) and white (W) alleles...

A: 1. The genotypes of missing parents will be - BW and WW. 2. The probability of black offspring (BB) ...

Q: In Drosophila, the dominant Bar mutation (B, chromosome X, position 57) results in thin bar- shaped ...

A: Bar mutation allele = XB (dominant) Wild allele for bar= Xb (recessive) Signed allele = Xsn (recessi...

Q: The interplay of pathogens and antibiotics again brings up the problem of the Red Queen. How does th...

A: A pathogen is any organism that invades and proliferates within an organism's body causes infectious...

Q: What are the functions of the glycocalyx?

A: The glycocalyx, also known as the pericellular matrix is a highly charged coating of membrane-bound ...

Q: Sister chromatids segregate during

A: Sister chromatids segregate during Meiosis II.

Q: Capillary Refill Results: Table 2 Right Hand Refill Time Left Hand Refill Time Thumb Middle Pinky 1....

A: Capillary refill test is a rapid test used for assessing the blood flow through peripheral tissues.I...

Q: What would happen if an ampicillin reagent is added to an Lysogeny broth agar plate that is below 50...

A: Ampicillin is an antibiotic which enables the synthesis of the peptidoglycan of bacterial cells wall...

Q: Sgo1 establishes the centromeric cohesion protection during meiosis metaphase I* True O False

A: Cell division is the process by which a single cell divides and produce multiple cells that helps in...

Q: True or False 1. There can be a quantitative determination of the degree of supercoiling in a DNA sa...

A: According to our guideline we can answer only the first three subparts of a question. So, upload res...

Q: In Figure 4-8, some meiotic products are labeledparental. Which parent is being referred to in thist...

A: The final product of meiosis comes when there is splitting in the cytokinesis. The products that are...

Q: In The Lake as a Microcosm, this 10th century biologist showed that romoving just one species trom a...

A: The correct answer to the given option is d. A microcosm is a widely studied isolated system and thi...

Q: Why did DNA, rather than RNA, evolve to be the carrier of genetic information in cells?

A: This is one of the primary dissimilarities between DNA and RNA. DNA (Deoxyribonucleic acid) is the n...

Q: Mass spectrometry is a powerful tool in proteomics. What are the four key features of a mass spectro...

A: Mass spectrometry is a technique for determining the mass of individual biomolecules. Ionization, ac...

Q: Which of these choices does NOT explain why RNA is less stable than DNA? O The 2' hydroxyl group all...

A: There are two types of genetic material in organisms: DNA RNA

Q: Groodies are useful (but fictional) haploid organisms that are pure genetic tools. A wild-type grood...

A: The groodies that are having a very long tail and also have flagella and are not fat are 44 in numbe...

Q: Female A Female C 1. Rabbits normally have 44 chromosomes. Rabbits with fewer chromosomes die before...

A:

Q: Match the description with the phase of melosis. Letters may be used more than once. Homologous chro...

A: Cell division is of two types, mitosis (equational division) and meiosis(reductional division). each...

Q: Define homeostasis and explain its significance.

A: Introduction: Homeostasis is the tendency to resist change in order to maintain a stable and constan...

Q: A cross between two Igf Igf-- mice is expected to produce which of the following offspring? 1 normal...

A: IGF is insulin like growth factor.

Q: What is adenyl cyclase ?

A: Enzymes are present in living organism, which is composed of either one cell or a number of cell. In...

Q: In prokaryotes, histone-like proteins are all positively charged proteins that bind DNA non-specific...

A: Bacterial DNA binding proteins, also referred as histone-like proteins, are a class of tiny, typical...

Q: What is allosteric repressor ?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and liv...

Q: The A locus and the D locus are so tightly linked that norecombination is ever observed between them...

A: Introduction  Genes can be linked or autonomous. When they segregate during the time of formation, t...

Q: Exposure to______ can trigger seed germination. a. light c. smoke b. cold d. all can be triggers

A: Seed germination is the process in which dormant embryo of seed resumes metabolic activities and gro...

Q: What is the sequence of the sample DNA submitted for sequencing given the gel electrophoresis profil...

A: Sanger sequencing method is chain terminating method. 

Q: Trace the path of proteins synthesized in the rough endoplasmic reticulum as they are processed, mod...

A: The Golgi apparatus, also known as the Golgi complex, is a factory where proteins from the ER are fu...

Q: Compare methods that biologists use to study cells and point outthe ways in which many of these appr...

A: A cell is the smallest unit of a living thing. An organism is a living creature that is made up of o...

Q: Illustrate and explain the following using a diagram: 1.Three ways in which water vapor enters the a...

A: Introduction: water vapors enter the atmosphere in three different ways that are evaporation, transp...

Q: Based on their anatomical and behavioral differences, biologists previously placed humans and chimpa...

A: The method of determining the nucleic acid sequence - the order of nucleotides in DNA – is known as ...

Q: What are the pointed structures thanks

A: 1 - Howships lacuna 2 - Osteoclasts 3 - Osteoblasts

Q: What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your ans...

A: Microscope is an instrument which is used to view the microorganisms which cannot be seen by naked e...

Q: Complete this Punnett square on a cross between two individuals who have normal s pigmentation (Aa):

A: Punnett Square employs a grid and letters. Capital letters denote dominant alleles, while lower case...

Q: An X-linked dominant allele contro eceptor mutation that is responsi aldness (MPB). A father who sho...

A: X related qualities are traits that are found on the X chromosome. There are Gerenally well known to...

Q: 6. Suppose a particular gene is required for early development and also later for development of a p...

A: ANSWER;- The Gal4 (galactose) gene articulation is directed by Gal80. The Gal4 gene protein initiat...

Q: A new plant forms from a stem that broke off of the parent plant. This is an example of_____ . a. no...

A: Plants are the mainly photosynthetic, autotrophic eukaryotes of kingdom plantae. Plants are multicel...

Q: e recessive allele

A: Microevolution on a small scale, is defined as a change in the frequency of gene variants, alleles, ...

Q: Write a detailed account below of how the body monitors and regulates blood  pressure through the en...

A: Blood pressure : It is the force of the blood pushing against the walls of arteries. each beat of th...

Q: Which of the following features is associated with the Watson and Crick model of the DNA? A a purine...

A: Introduction: The two DNA strands are antiparallel means that 5’ end of one strand faces 3’ end of o...

Q: Saturated fatty acids O have been shown to lower LDL (bad) cholesterol and HDL (good) cholesterol O ...

A: SATURATED FATTY ACIDS They are the simplest form of fats that are unbranched linear chains of CH2 gr...

Q: please answer every question based on the attached picture of the frog testis 1. what cell is being...

A: When the frogs are roughly two months old, the putative testis can be seen as a little oval object o...

Q: How do amino acids in DNA-binding proteins interact with DNA?a. By forming covalent bonds with DNA b...

A: DNA-binding proteins are proteins with DNA-binding domains that have a specific or broad affinity fo...

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.