Which of the following matings would have the highest frequency of bacterial chromosome gene transfer? 1. F'x F 2. Hfr x F 3. F* x F 4. F'x Hfr 5. All of the other answers have the same frequency of chromosomal gene transfers.

Q: What is the point of a "patient centered approach" to intersex, according to activist Cheryl Chase? ...

A: A patient centric approach is a way of system related to the healthcare. 

Q: Statement 1: A genome refers to the complete genetic make-up of an organism. Statement 2: A large co...

A: cDNA library is a collection of cloned DNA sequences that are complementary to the mRNA extracted fr...

Q: Determine the fire hazards and control, chemical and biological hazards and control, physical and ps...

A: A Hazard is a potential source of harm or adverse health effect on a person or persons. 

Q: Question: Give at least 5 Genus and Species under G(+) cocci and G(+) bacilli

A: Solution : Gram-positive cocci include Staphylococcus (catalase-positive), which grows clusters, and...

Q: Consider the following four events that take place during mitosis. A. Disappearance of spindle fiber...

A: The correct sequences. C- chromosome reach their maximum concentration -> d- disintegration of th...

Q: Explain the concept of Plant Pathology?

A: Solution : Plant pathology is the science that studies the causes of plant diseases, the mechanisms ...

Q: Can polyadenation be used to regulate enzymatic activity?

A: Can polyadenation be used to regulate enzymatic activity?  Introduction : An RNA transcript, usually...

Q: VỊ Give the complete name of the ff. sugars and indicate whether it is reducing or non-reducing. OH ...

A: Carbohydrates can be categorized as both reducing and non- reducing sugars. The major difference bet...

Q: AHS 131 - Skeletal System - Bone Composition, Structures, Bone Names and their parts. These are the ...

A: Bone cells 1) Osteoprogenitor cells : These are the stem cells that are found in the bone marrow, th...

Q: In your own words - grasses are flowering plants but many do not have colorful flowers. What mechani...

A: The Non flowering plants : gymnosperms,ferns,mosses,liverworts,horn worts, psilotales , club mosses ...

Q: Name and explain the two events during meiosis that contribute to genetic variability among gametes.

A: Meiosis is the cell division process that involves division of a diploid (2n) mother cell into to fo...

Q: Which of the following correctly describes a possible scenario during a run of gel electrophoresis w...

A: Agarose Gel electrophoresis(AGE) is a method used in molecular biology to separate mixed RNA, DNA, o...

Q: Most of the energy that aerobic respiration releases from glucose ends up in______ . a. NADH c. heat...

A: Introduction:- Aerobic respiration is the process of producing energy from food through cellular res...

Q: What process must occur before amino acids enter the aerobic respiratory pathway?

A: Aerobic Respiration is the process of cellular respiration that takes place in the presence of oxyge...

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A: Streptococcal toxic shock syndrome is caused by Streptococcus pyogenes bacteria (group A streptococc...

Q: Hannah was reading her histology book at the cafeteria’s eat-all-you-can salad bar. She was having t...

A: Connective tissue is a special tissue that is found in animals between other tissues in the entire b...

Q: You crossed tall pea plants to another tall pea plants. You collected all the seeds and planted them...

A: Introduction: A cross between two types of plants of same species considering only the transmission ...

Q: Make a conclusion and recommendation about to the students who are unable to use laboratory for biol...

A: A compound microscope is defined as:  'A microscope with a high resolution and uses two sets of lens...

Q: Define and describe Genetically Modified Organisms.

A: Introduction :- A genetically modified organism (GMO) is a living organism whose DNA has been altere...

Q: .

A: Oil immersion is used in light microscopy. It used for improve imaging. Oil immersion is a technique...

Q: 33) The type of fungus that produces toxin and protects plants is called: a) Lichens b) symbiotic Fu...

A: Symbiotic fungi: the mutual relationship between a fungus and an algae/ bacteria (photosynthetic). E...

Q: Which of the following is true regarding aldosterone and ADH? (SELECT ALL THAT APPLY) Aldosterone an...

A: Antidiuretic hormone (ADH) is secrrted by the hypothalamus of the brain and is released into the blo...

Q: Frameshift Insertion Mutation – Can be one or more nucleotides. 5’   ATG   GGG    AAA    GAT    TAT...

A: Any heritable change in an individual's genetic makeup is referred to as a mutation. It's when a gen...

Q: Statement 1: Restriction enzymes are sequence-specific, which means that they only recognize a short...

A: Restriction endonuclease is an important tool in DNA Recombinant technology or genetic engineering. ...

Q: Why is seed dispersal important in the life of plants? What would be the consequences of having seed...

A: * Seed dispersal is the mechanism in which plant seeds are transported to new places carried by anim...

Q: Directions: Write the letter of the correct answer. Do it on a separate sheet of paper. 1. Which is ...

A: Evolutionary developmental biology is considered a new norm in evolutionary biology. It arose from t...

Q: Which of Mendels laws have their basis in separation of homologues in anaphase I?

A: Homolog is a pair of homologous chromosomes in a eukaryotic cells. Homologous chromosomes pair with ...

Q: Statement 1: Gene cloning is a process used to obtain many copies of a particular gene or large amou...

A: Answer : Option (1) is correct. Both statements are true.  

Q: What is chromatin, euchromatin, and heterochromatin

A: The nucleus (plural-nuclei) is the most important and essential part of the cell. It directs and con...

Q: 11. Impervious surface data is typically organized in one of two ways in the database. Describe both...

A: Impervious structures are artificial structures such as pavement and roads. 

Q: What conclusion could you reach about the parents if the offspring had phenotypes in the following p...

A: 5) (a) 3:1 The ratio of 3:1 in f1 generation is obtained when both the parents with heterozygous dom...

Q: Look at the three types of survivorship curve in your textbook (Fig 3). Which of the survivorship cu...

A:

Q: Imagine that you are a scientist studying species interactions in Kruger National Park, South Africa...

A: Introduction: Competition is a type of interaction in whichboth the interacting species decrease the...

Q: Plants have a cell wall that eventually will divide their cells in two. Which stage of mitosis does ...

A: Introduction: Mitosis refers to the splitting of chromosomes in the eukaryotic cells during the cell...

Q: In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white c...

A: Tallness(T) is dominant over dwarfness(t) and the red color(R) of the flower is dominant over the wh...

Q: Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the wa...

A: We can make an assumption that during photosynthesis, oxygen produced will lead water level to rise ...

Q: 3' -T ACATC T T G G C GAC GAC T-5' Mutated DNA Sequence #1: MRNA sequence? (Circle the change) Amino...

A: 1)DNA - 3'- TAC ACC TTG GCG ACG ACT-5' mRNA - 3'- AUG UAG AAC CGC TGC UGA-5' Amino acid sequence – M...

Q: following Mitosis phase: a. prophase b. metaphase c. anaphase

A: Number of chromosomes in mitosis phase is as follows :  Prophase : 46 chromosomes  Metaphase : 46 ch...

Q: i. If an ANS action potential were to start at the tip of arrow A and travel to the small intestine ...

A: The ANS is the abbreviated term for Autonomic Nervous System, a part of PNS (Peripheral nervous syst...

Q: Stage of the Cell Cycle Number of Cells Interphase Prophase Metaphase Anaphase Telophase

A: A cell cycle is a life cycle of a cell that consists of a series of steps for the growth of cell gro...

Q: Now try feeling for a “pulse” from a vein on the back of your forearm, the side opposite where you t...

A: Arteries Veins Arteries usually carry the blood which are oxygenated Veins carry the deoxygenated ...

Q: 00 000 Epithelium-Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring dur...

A: The epithelial mesenchymal transition is considered to be the process in which the epithelial cells ...

Q: In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white c...

A:

Q: Protein Isoelectric pH Molecular weight (kDa) Ovalbumin 4.6 45 Insulin 5.4 5.7 Fibrinogen 5.8 340 Y-...

A: Isoelectric focusing,  is a technique for separating different proteins by the differences in their ...

Q: What is the importance of asepsis especially now that we have a pandemic

A: Solution : Asepsis is a condition in which no living disease-causing microorganisms are present. Ase...

Q: What are interferons? How do interferons check infection of new cells

A: Interferons are naturally occurring proteins produced by immune system cells in reaction to foreign ...

Q: How is polymerase chain reaction used as a diagnostic test for COVID-19? PCR serves as a molecular t...

A: Introduction:- The acronym PCR stands for polymerase chain reaction. It's a test that looks for gene...

Q: Given: Adult diploid cell (2n = 8) 2. Illustrate the condition of the chromosomes during the follow...

A: Meiosis It is the process of divisions in which a single cell divides two times to generate four cel...

Q: The unlabeled structure (marked by the red arrow), would in fetal life (A) transport deoxygenated b...

A: The ligamentum venosum originates from the ductus venosus and is also called arantius ligament.