Solution: III. For numbers 11 to 15, explain your answers in 1-2 sentences for the following questions: 11. How are metaphase I and metaphase II of meiosis different from one another? n subiected to colchicine, a drug that interferes with

Q: Assume a case of disputed paternity involving two men (A and B) and four children (W,X, Y, Z).  On…

A: Given information 2 men and 4 children are tested for paternal dispute. Reactions in antisera…

Q: 8. The membranes (envelopes) that coat some viruses consist of

A: Introduction A virus is an infectious submicroscopic creature that only reproduces inside of live…

Q: 8. You have sequenced a segment of DNA from a species in the genus Lithobates (true frogs). The…

A: The regulation of gene expression in a cell to prevent the expression of a specific gene is known as…

Q: 1. What is the nature of spore-bearing hyphae of the following: (tell whether it is enlarged tip,…

A: introduction : The long filamentous branching present in fungus and actinobacteria, known as hypha,…

Q: An E. coli colony grew on minimal medium supplemented with arginine and leucine. However, bacteria…

A: Introduction :- The coliform bacterium Escherichia coli, usually known as E. coli, belongs to the…

Q: The contents of a plaque may not always contain a clonal population of phage if: a. Identical…

A: Plaque:- phage infected bacterium usually burst and releases a number of daughter phages which…

Q: During DNA replication, DNA methylation: please explain answer  a. A and C b.  B. marks the strand…

A: DNA methylation maintenance occurs in the context of chromatin replication. DNA methylation…

Q: the main function of photosynthesis is the A. production of 02. B. conversion of light energy to…

A: The photosynthesis takes place in the chlorophyll containing cells. It takes place in the…

Q: Aside from the application of heat, name other methods of sterilization and give examples of…

A: Introduction  Sterilization is a process of killing all microorganisms (bacteria, viruses,…

Q: What are the three cons of deciduousness?

A: The word deciduous in biology describes a tree, shrub, or other plant which totally loses its…

Q: How have humans manipulated each of these postulates in natural or artificial systems?

A: introduction : Darwin made contributions to the study of evolutionary biology as a naturalist. His…

Q: Where are the nuchal lines located? What is their function?

A: The nuchal lines of the occipital bone are where many muscles and ligaments of the neck and back…

Q: All organisms belonging to domains cells. bacteria and protista fungus and bacteria archaea and alga…

A: Prokaryotes are typically tiny, single-celled creatures with a simple structure. The majority of…

Q: Which of the following is a synapomorphy of the Anthozoa? Exoskeletons of calcium carbonate O Corals…

A: Cnidaria is a diverse collection of creatures that live primarily in the sea. Because they rely on…

Q: When a cell takes in a large amount of soluble molecules from the outside, it is called exocytosis…

A: Membrane transport mechanism is a type of mechanism that helps in transfer of molecules across the…

Q: If a human gene is found to contain five introns, the mature mRNA encoded by that gene would have…

A: Introduction  The parts of a gene that are translated into proteins are called exons. Introns are…

Q: In detail explain how C3 plant leaf is different from C4 plant leaf and why

A: INTRODUCTION the difference between C3 and C4 plant leaves explained below.

Q: 11. A phage cross is made by doubly infecting the host bacterial cell with parental phages: m¹g¯ X…

A: The parental genotypes are produced without crossing over. The recombinant genotypes are produced as…

Q: Explain all living cells evolved from a common ancestal cell.

A: About 750 million years after Earth's formation, or approximately 4 billion years ago, it indicates…

Q: The following involves the expelling of dead organelles and/or foreign substances out of the cell: O…

A: Biomolecules migrate around the body, going from one location to another. The molecules can pass…

Q: Sickle cell anemia is inherited as an autosomal recessive condition. It also exhibits incomplete…

A: Sickle cell anemia (SCA) is a genetic disorder that occurs when an individual has two homozygous…

Q: Which of the following is true? a. A dominant allele is more common than a recessive allele b.…

A: The correct option will be :  If both dominant and recessive alleles are present, the dominant…

Q: 4) Differentiate between and describe the three types of phosphorylation as discussed in the lecture…

A: Phosphorylation is the process in which ADP reacts with inorganic phosphate to form ATP. This…

Q: Y-linked Traits Can only be transmitted to male offspring Equally affects males and females Has 1/2…

A: Introduction :- As it relates to genetics, a trait is a unique quality about a person. Genes,…

Q: What do you think are the carrying capacities for these species’ populations?

A: The carrying capacity of a population is the maximum number of individuals that can be supported and…

Q: Compare the mechanisms of LINE and SINE transposition

A: Non LTR retrotransposons dont contain long terminal repeats but they contain genes for reverse…

Q: A cell in the pancreas has released insulin that travelled to the muscle tissue via the bloodstream…

A:

Q: The term, "cell" was coined by Andreas Vesalius Robert Hooke Antonie van Leeuwenhoek Rudolf Virchow

A: Cell is the basic building block of all the living organisms. It is the structural and functional…

Q: Which organisms in this food web would be strictly classified as primary consumers?

A: Primary consumers make up the second level of the food chain and are herbivores, they feed on…

Q: What type of vertebrae are these? How do you know? (what are the distinguishing features) What type…

A: The human skeleton is the inside structure of the human body. It is made out of around 270 bones…

Q: Phytonadione, also known as Vitamin K1, is required by the body for the modification of certain…

A:

Q: Explain the role receptor-mediated endocytosis (RME) plays in virus replication (lytic cycle).

A: Receptor-mediated endocytosis (RME) is also called as clathrin-mediated endocytosis.

Q: Movement of molecules taken in from one site in the plasma membrane to a different region of the…

A: The movement of molecules taken in from one site in the plasma membrane to a different region of the…

Q: 90 91 An apoenzyme: A. is part of a simple enzyme. B. is also called a coenzyme. C. contains the…

A: Enzymes are made of proteins. But in some cases, there are non-protein constituents called cofactors…

Q: Which of the following statements correctly describes why white muscle fibers do not need is mini…

A: In vertebrates, the muscle system helps with the movements and posture of the body. There are mainly…

Q: Information on DNA can often indicate relatedness between organisms and even provide data on how…

A: The contemporary categorization system uses DNA to actuate an organism's heritage and ancestry, as…

Q: ATP is produced during the light reactions via OA. CO₂ fixation. OB. reduction of water. OC.…

A: The mechanism of photosynthesis can be divided into two phases , Light reaction Dark reaction (…

Q: Couple 2 PKU heterozygote (carrier) PKU homozygote Couple 1 B. Can couple 3 have a child that has…

A: Since couple 1 who are not affected have affected children - one male and one female, the mode of…

Q: How is an antibody used to eliminate a pathogen?

A: An immunoglobulin or antibodies are large, Y-shaped blood proteins, which are generated by plasma…

Q: Cell Structure and Function Match the following organelles to their descriptions 1. 2. 3. 4. 5. cell…

A: A cell is the basic structural and functional unit of living organism. Cell is the basic building…

Q: The Michaelis Menten equation for enzyme kinetics can accurately predict when a single enzyme will…

A: Introduction Michaelis–Menten kinetics is a well-known paradigm of enzyme kinetics in biochemistry.…

Q: The following is a type of endocytosis involving the cell drinking fluids: O a. Na-K-ATPase Protein…

A: Introduction :  The process of endocytosis is when the materials enter the cell. The process…

Q: Match description with Term:   1) determine the amount of protein in a sample 2) determine the…

A: Recombinant DNA technology is a method by which several different genes can be combined from two…

Q: How this picture demonstrates people helping to maintain biodiversity?” What these people are doing?…

A: Aquatic biodiversity is crucial to sustaining and preserving the general health of the environment…

Q: Hos is the contractile vacuole different in appearance from the Amoeba

A: A contractile vacuole is a kind of vacuole that expands to gather water and its accompanying solutes…

Q: 19. Predict the effect of a mutation that would alter the Shine-Dalgarno (SD) sequence T / F…

A: Shine - Dalgarno sequence is the ribosomal binding site in bacterial messanger RNA.  It enables…

Q: Selection confers a reproductive advantage to individuals based on their adaptations, and therefore…

A: When reproduction takes place, the two types of gametes are coming together and form a zygote which…

Q: The following diagrams are longitudinal cross-sections of a sponge (Grantia sp.). Which diagram…

A:

Q: Which of the following are involved in receptor-mediated endocytosis? Choose all that apply. There…

A: Endocytosis  The process in the cell by which different substances are brought ib side the cell.

Q: 26-29. Four of the nitrogenous bases that constitute part of a DNA or RNA molecule are (NO…

A: The most significant biological macromolecule is called nucleic acid, which consists of nitrogenous…

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: