Most living organisms cannot survive at temperature above 45°C. How are some microbes able to live in habitats with temperatures exceeding 100°C?

Q: Some of the same G protein–linked receptors and signal transduction pathways found in plants and ani...

A: G-proteins come under the category of membrane proteins that can show linkage with the GTP in order ...

Q: Explicitly discuss the importance of staining in cytology

A: Stains are dyes which impart different colours to different cellular structure and chemicals in the ...

Q: Genes a and b are 30 m.u. apart what percentage of the gametes produced by AaBb individual will be A...

A: The correct option is C = 15 %  

Q: What is menstrual cycle? Which hormones regulate menstrual cycle?

A: In primates, the menstrual cycle is a sequence of cyclic physiological changes that occur in the fem...

Q: Basis of Phylum Phylum Phylum Phylum Arthropoda Comparison Nematoda Annelida Mollusca Number of germ...

A: Earlier formed organism are simple like porifera, cnidiaria etc. While the body organization gets co...

Q: Scaffold proteins (a) release kinases and phosphatases into the extracellular fluid (b) bind G prote...

A: Scaffold proteins play critical roles in many key flagging pathways. Despite the fact that framework...

Q: 8. Experiments on cultures cells are sometimes said to be carried out ( biochemical reactions occurr...

A: 1. In vitro  2. In vivo      

Q: Consider blue eyes in man as recessive to brown eyes. Show the expected children of a marriage betwe...

A: The phrases dominant and recessive are used to explain how specific features are passed down across ...

Q: With your own terms -Define Haldane’s rule -Define allopatric speciation - Define sympatric speci...

A: 1 . Haldane's rule is a observation about the early stage of speciation 2,3,4 . mode of speciation 5...

Q: Define a receptor tyrosine kinase and distinguish it from a serine/threonine kinase. (As we discuss ...

A:

Q: 1. Why are chick dr dense smears less likely to provide a good smear preparation for microscopic eva...

A: 1. Thick or dense smear less likely to to provide a good smear preparation for microscopic evaluatio...

Q: In corn, the cross WW ee FF × ww EE ff is made. The three loci are linked as follows:Assume no inter...

A: The field of science associated with the study of genetic material or hereditary material of a livin...

Q: There are two possible variants of this gene—an allele for long eyelashes (> 1cm) and an allele for ...

A: Allele for long eyelashes is L which is dominant. Allele for short eyelashes l which is recessive. H...

Q: What is restoration ecology? Why is it an important scientific pursuit in today’s world?

A: Ecology is the study of living organisms' interactions with their physical and biological environmen...

Q: In the plant Arabidopsis, the loci for pod length (L, long;l, short) and fruit hairs (H, hairy; h, s...

A: Crossing over is an interaction between homologous chromosomes that results in a lot of genetic dive...

Q: How can you know what happened millions of years ago if no one was there to see it  Explain

A: Every living creature on the planet has the potential to evolve into something. Cells adapt to perfo...

Q: Draw a replication bubble with both replication forks and label the origin of replication, the leadi...

A:

Q: Assigned chemical agent: How does this agent specifically destroy microbial cells? Propose a hypothe...

A: There are few important points that should kept in mind : The bacteria treated with allows stain to ...

Q: But when you cross a "Texas Beauty" yellow with the yellow variety "Jealousy," you get a 9:7 ratio o...

A: Dominant allele is an allele which shows its expression even in the heterozygous condition ;along wi...

Q: MULTIPLE CHOICE 1. Which of the following does not belong to the group A. Polydactyly B. Rh Blood fa...

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous chrom...

Q: These are found in soybean oil (select all that apply).      Polyunsaturated fatty acids     Lin...

A: Soybean oil is extracted from the seeds of the Glycine max(Soybean).This oil is widely used as cooki...

Q: A 70 year old to form urinary stream and urgency. On per-rectal examination, prostate was found to b...

A:  Alpha adrenergic blocker :- Prazosin, Terazosin, and Doxazosin are -adrenergic blockers that have b...

Q: What are predicted to be the smallest and largest amounts of warming from the RCP projections in 210...

A: ANSWER;- B) 1°C and 4.5°C explain;- wide range of climate model reproductions recommends that our pl...

Q: How does the movement of ICF K+ ions down its concentration gradient affect membrane potential?

A: In a biological cell, the difference in electric potential between inside and outside is called memb...

Q: What role does each of the following play in the carbon cycle? • Cars • Photosynthesis • The oceans ...

A: Photosynthesis is a process in which the green chlorophyll pigment converts solar energy with the he...

Q: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

A: A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive...

Q: 4.Eyelash length is an inherited trait. In the human population, there is an eyelash length gene. Th...

A: Alleles are already form of a gene that that are located on the same locus of  a homologous chromoso...

Q: Create a flow chart that illustrates the process on how to manipulate a compound light microscope.

A: Following are the steps involved in manipulation of compound light Microscope.

Q: Write comprehensively about What risk are associated with genetically engineered plants

A: In genetic engineering;various techniques are used which enable the DNA from different sources to be...

Q: Trace the sequence of events in signal transduction for each of the following second messengers: cyc...

A: Introduction  Calcium is a very important ion present intracellularly. It controls various processes...

Q: A child is heterozygous for blood type A whose father is homozygous dominant for the same blood type...

A: Introduction  Genotype for Blood group A -  Either lAlA (homogygous)  or,  lAlo  (heterozygous)   Bo...

Q: Explain the component terms of Fick’s law with biological examples

A: Fick's law = fick's law was for diffusion rate. According to fick's law the rate of diffusion accros...

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Transcription is the process of making RNA copy of gene sequence. This copy is called mRNA. Translat...

Q: animals evolved

A: Choanoflagellate are free living, unicellular, colonial eukaryotes. They are closest relatives of an...

Q: A gardener finds that some bean plants have pubescent leaves and others have glabrous leaves. a) Bas...

A: Mendel selected pea plants to investigate genetics because they had clearly recognizable characteris...

Q: How does the Na+/K+ pump contribute to the development of a membrane potential?

A: Na+/K+ pump or Sodium-Potassium pump is an enzyme present in cell membrane of all animals.Its role i...

Q: Match the label on the left with the correct structure number in the DNA molecule in the image below...

A: The given structure is of DNA. The DNA ic composed of nucleotide .The nucleotide is the monomeric un...

Q: What is the main cause of the current amplification of global climate change? (A) depletion of the o...

A: The term climate is associated with a particular region’s weather pattern that can show alteration o...

Q: the living cells of bone Osteocytes O osteoclasts

A: Bones are considered organs because they contain various types of tissue, such as blood, connective ...

Q: Please provide the Preferred Specimen/Tissue Medium with brief explanation of the following types of...

A: Microtome: it is a cutting tool which is used to generate extremely thin slices of material which is...

Q: Cite an example on how artificial cloning led to the production of an agricultural produce. Describe...

A: "Biotechnology" is the use of our knowledge of biological processes to the development of beneficial...

Q: FSH LH Negative feedback Estrogen from ovarles Progesterone from ovarles Figure 1. Negative Feedback...

A: Positive feedback control is this system where synthesis of a hormone increases if its amount in blo...

Q: 35. Regarding the adrenal gland, which of the following are incorrectly paired? Mineralocorticoids s...

A: Answer :  A)  mineral corticoid such as vasopressin are produces in the zona glomerulosa. 

Q: if for a patient's lungs: The tidal volume is 327 ml, inspiratory capacity is 3496ml, vital capacity...

A: Introduction: Vital capacity:Vital capacity refers to the amount of air that can be breathed or expe...

Q: In Drosophila, a mutation which causes a defect in the cuticle of every segment, A1-A8 (abdominal se...

A: There are five genes that contribute to the formation of segments during embryonic development inclu...

Q: What is the Function of the North Bridge What is the Function of the RAM What is the Function of t...

A: Answer 1- the north bridge is the interconnecting device which is used to control the CPU for the me...

Q: What is the function of condenser in compound microscope?

A: Introduction; Condenser is an important component of compound microscope, that are located above the...

Q: A chromosomal mutation that occurs during meiosis may or may not be expressed in an organisms offspr...

A: Mutations are changes in DNA sequence during a cell division. 

Q: What are the functions of a flower? Describe and discuss how a sunflower is adapted to each function...

A: Answer 

Q: 1. Refers to the phase which it ensure that important cell-cycle events occur in the correct sequenc...

A: Cell cycle is a process occurring in the cells for them to divide, grow and replicate. The two proce...

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.