At the metaphase plate during metaphase I of meiosis, there are Select one: A. Chromosomes consisting of one chromatid. B. Unpaired duplicated chromosomes. C. Bivalents. D. Pairs of sister chromosomes.

Q: PHOW does the oxygen binding curve of fetal hemoglobin differ from that of adult hemoglobin

A: Oxygen binding curve for foetal haemoglobin is shifted towards left relative to the curve for adult ...

Q: How can you compare the structures of the five different kinds of flatworms?

A: Flatworms:- They are soft-bodied invertebrates usually much flattened acoelomate worms. Example:- Li...

Q: What is the morphology of the following cells:       streptococci     diplobacilli  ...

A: There are four basic shapes of bacteria - (i) coccus: spherical shaped (ii) bacillus: rod shaped (ii...

Q: A study by the CDC reported that only 73% of children in some areas of the United States are being a...

A: Vaccination is the procedure of injecting a lesser pathogen or a disease's weakened antigen into a h...

Q: Select the statements that are true for lactic acid fermentation carricd out in muscle cells. O This...

A: The term fermentation is associated with a metabolic process that can be found in several microorgan...

Q: Given the very complex lipid composition of cell membranes, what variations exist within the differe...

A: The preservation of cell structure and function relies heavily on biological membranes. Besides serv...

Q: In the prototypical neuron explain in detail the electro-chemical events that characterize an action...

A:

Q: Huntington’s disease, a neurodegenerative genetic disorder that typically becomes noticeable in midd...

A:   In genetics the genes control the hereditary units of life. The state for the genes to be present ...

Q: Question 3 A disease's basic reproductive rate, Ro-S BL. where S is the density of susceptible indiv...

A: * SIR model ( susceptible, infectious and recovery) * Sir model is used to determine the the transmi...

Q: Is Thomas Hunt Morgan an interdisciplinary thinker?

A: Thomas Hunt Morgan Native -American Specialization -zoologist geneticist Famous experiment -dorsophi...

Q: In earlobes, free (F) earlobe is dominant while attached (f) earlobe is recessive. What proportion o...

A: Attached and free earlobe condition is controlled by autosomal gene with two alleles. F- responsible...

Q: : select all that apply, more than one answer

A: Photic zone, Abyssal Zone, Limnetic zones are the ones which received adequate light from the sun an...

Q: 1. Why would multi-gene families complicate things in terms of being sure of which member of the fam...

A: A multigene family is a collection of genes that all have a common ancestor gene and so have similar...

Q: How do fungi threaten global wheat production?

A: Fungi come under the category of living beings that are present in large a concentration on this pla...

Q: Complete the colony morphology for the colonies pictured above: 1.  Form - 2.  Elevation - 3.  Ma...

A: - Mycobacterium fortuitum is a bacteria that causes infection in many body areas including skin,lymp...

Q: Partial Question 6 Which of the following are true about replisome components at the replication for...

A: During DNA replication, the replication fork is a structure that arises within the long helical DNA....

Q: In the SIR model, individuals can enter but not leave the infected class. O individuals can leave bu...

A: * SIR ( susceptible, infectious, recovery/removed) model is classical model of disease transmission ...

Q: Give a labeled illustration of a simple reflex arc with its components of the patella tendon tap ref...

A: Knee jerk reflex is an example of simple monosynaptic reflex.  If tapping the random just below the ...

Q: Are all flatworms parasite? What are some of the special adaptations seen in the parasitic classes t...

A: About 80% flatworms parasitic in nature. Parasitic adaptation  enhance the survival and reproduction...

Q: Question 1 The hypothalamic-hypophyseal nerve tract O Carries neurohormones from the hypothalamus to...

A: The biochemical substances synthesized and secreted by endocrine glands and specialised cells are ca...

Q: What are the qualities of an appropriate sequence in DNA chromatogram? Why?

A:  Introduction: DNA stands for deoxyribonucleic acid. It's made up of nucleotides, which are biologic...

Q: Determine what the statement is describing. Fill in the blanks with the correct/best answer. 1. Gen...

A: Genetic engineering is the act of altering genetic material by interfering with genetic processes in...

Q: 5. Which positioning would you choose for Flumist? Why?

A: FluMist is a flu vaccine in the form of a nasal spray and is administered through the nose to provid...

Q: II. Identify the taxonomic rank of the following: 1.Conostyloideae 2.Cucurbitaceae - 3. Hamamelidae ...

A: All plants, animals, and microbes in the world are included in taxonomy, which is the discipline of ...

Q: How  Sunscreen or Sun Filter ingredient's SPF is measured?

A: As per Bartleby guidelines, we are allowed to answer only one question at a time, please post other ...

Q: Round seed is dominant over wrinkled. Yellow cotyledon is dominant over green. Full pod is dominant ...

A: In this question, it is not mentioned whether it is dominant homozygous or dominant heterozygous. To...

Q: What causes platelets to adhere to the wall of a broken vessel?   exposure of collagen fibers histam...

A: Hemostasis is the process through which the body prevents wounded blood vessels from bleeding. Too l...

Q: Multiple Alleles: Punnett Square 1. CCch X Cc 2. Cc X Cc

A: 1. CCch X Cc

Q: Name Non-Mendelian Genetics - Practice 1. In plants known as "four o'clocks", the allele for the dom...

A: Answer 

Q: Kutritional módes for each of the following organisms: (1) solely photoautotroph, (2) solely chemoau...

A: The basic mode of nutrition can be divided into autotrophic (green plants) and heterotrophic nutriti...

Q: Label the butterfly lily/garland flower's stem structure. Use the photo given as a guide for your dr...

A: A butterfly lily is from genus Hedychium. It is used in Indian garlands often. Mostly white in colou...

Q: an help me to identify this image by labelled them and describes also

A: This histopathological image is of Nodular Lymphocyte predominant hodgkin lymphoma.

Q: Hypothesize  as to why iron can have an impact on bacterial growth, particularly S. Typhimurium, S.e...

A: INTRODUCTION Iron is an essential element for bacterial growth. Because it's participation in tricar...

Q: Describe and identify on which segment of the legs/limbs of an insect would you expect the ambulator...

A: Insects have three pairs of legs, fore legs, mid legs and hind legs. There are certain modifications...

Q: the Marquis test was used on a sample suspected to contain amphetamine in a “field” sample, so the s...

A:   The colourimetric analysis involves the determination of a chemical substance (inorganic and organ...

Q: Why are fruit flies considered a model genetic organism? Would humans fit this description?

A: Introduction:- The study of how genes and traits are passed down from one generation to the next is ...

Q: Briefly explain heterotrophism

A: plants make – or produce – their own food so, they are referred to as producers. Their roots absorb ...

Q: micrograph

A: The ovary is an organ found in the female reproductive system  that produces an ovum . Fertilization...

Q: How can knowledge be achieved with different levels of thinking based upon Bloom's Taxonomy

A: Bloom's Taxonomy is majorly applied for the classification of objectives of learning. This classific...

Q: Evolution of LAND PLANTS, Show  the correct sequence of their evolution, starting from the most prim...

A:       INTRODUCTION            The evolutionary plants is obtained in fossil records that maintained ...

Q: Complementary base pairing would involve: A. adenine bonded to cytosine. B. thymine bonded to aden...

A: In double-stranded nucleic acids such as DNA, the nitrogenous bases between the two strands are join...

Q: Please explain the right as well as the wrong answer

A: Chimps on death row is a movie released in 1998 in United kingdom.

Q: 8

A: given: No. of total flower 1000 No. Of red flowers= 464(dominant) No of pink flowers= 415 (intermedi...

Q: The Environment Act 2008 was repealed by the Environment Act 2002 True False

A: The Wild Life (Protection) Amendment Act, 2002 is an Act to provide for the protection of wild anima...

Q: Give a biologic example of the negative feedback loop?

A: Introduction :- A self-regulating system is a negative feedback loop, also known as an inhibitory lo...

Q: Which of the following are mechanisms which prevent clotting under normal circumstances? Select all ...

A: Blood clotting is a complex phenomena which usually occurs when due to any reason blood vessels are ...

Q: Mitosis: 2n = 70 21. Number of chromosomes after Prophase? 22. Number of chromosomes after Anaphase?...

A: Mitosis 2n=70 Number of chromosomes after prophase: 70 Number of chromosomes after anaphase: 70 Num...

Q: River otter Largemouth bass 10 10 20 30 40 Amblent (environmental) temperature ("C) Based on your un...

A: Any self-regulating process through which an animal maintains equilibrium while responding to condit...

Q: Why does evenly distributed peak in DNA chromatogram is an indication of a good sequence?

A:   Evenly spaced peaks indeed indicate a good DNA sequence. Generally, four colours of peaks are obta...

Q: E. Discuss the difference between Amoebic from Bacillary Dysentery.

A: * Since you have asked multiple questions in a single question. So only 1st question i.e. E will be ...

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase. 

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: