QUESTION 19 Identify the structure indicated by number 1. 1- 9

Q: Which of the following is correct about a symporter? it is a form of passive transport…

A: Membrane Transport refers to the movement of substances across the plasma membrane.

Q: Download BLOSUM30 and BLOSUMB0 substitu- tion matrices and place them side by side on your computer…

A: BLOSUM matrix: It stands for "blocks substitution matrix," established by Henikoff and Henikoff,…

Q: Which areas of the body are the most sensitive to touch? Least? Relate the size of the two-point…

A: Some areas of the body are more sensitive than others body parts this is because they have more…

Q: As you know, cells in our body are constantly dividing. What are the 3 ways that cells use to make…

A: A checkpoint is a stage in the eukaryotic cell cycle at which the cell examines internal and…

Q: The basic unit of the following is a nucleotide: a. DNA b. RNA c. ATP d. A and B e. All of the Above

A: Everyone is mystified as to why siblings resemble one another so much. This is when genetics come…

Q: Which of the following are TRUE statements? Select all that apply The unfolding of a protein by heat…

A: INTRODUCTION Protein Proteins are biomolecules composed of amino acids.

Q: Describe the two events that are common to all sexually reproducing organisms and how they fit into…

A: Introduction: The union of male and female gametes leads to sexual reproduction. More viable…

Q: Natural selection (a) leads to species being better adapted to their environment. (b) may lead to…

A: Introduction: Evolution is governed by four principles: variation, inheritance, selection, and time.…

Q: What is the difference between food chain ang food web? Explain

A: A biogeographic area where all biological organisms together live and reproduce comprises an…

Q: Briefly explain what a trans fat bonding arrangement is

A: Double bonds present in the fat molecules makes them unsaturated. These double bonds can either be…

Q: An autotetraploid plant has 96 chromosomes, 4N= 96. Which of the following scenarios could be…

A: 4n = 96 Univalent = 1 chromosome containing 2 chromatids Bivalent = 2 chromosomes (4 chromatids)…

Q: The incoming vesicle is responsible for O a) bringing substances into the cell b) synthesizing…

A: Vesicles are small cell organelles that are present in cells. These organelles are small,…

Q: Using the formula V₁D₁ = V₂D2, what volume of a 1/100 (10-2) dilution would you need to produce 100…

A: Stock solutions refer to the high-concentration solutions used for dilution. A stock may have a…

Q: The diagrams below show the relative sizes and relationship of the two barnacle species' fundamental…

A: Introduction  A species' match with a particular environmental circumstance is known as a niche. It…

Q: define the following:               Mental disorder:               Neurotransmitters:…

A: A wide variety of mental health conditions—disorders which impact your emotions, thinking, and…

Q: Why is it important to know if the bacteria is encapsulated or not?

A: Some bacterial cells are surrounded by a viscous substance called a capsule, which forms a covering…

Q: Given that the maternal genotype is TT and the paternal genotype is tt, identify the probable…

A: Meaning of some useful terms :  1. Genotype: genetic constitution, represented by allelic…

Q: As a physical therapist, you think that there is a good chance that aerobic exercise will improve…

A: A hypothesis can be proposed and tested using scientific procedures. The theories should be properly…

Q: Identify the type of division exhibited by the following: Binary fission Algae (filamentous)…

A: Asexual reproduction A kind of reproduction in which no fusion of formation of gametes required.

Q: You make reaction progress curve by plotting absorbance vs time (seconds) and find the equation of…

A: LDH measurements are used  in the daignosis abd treatment of luver diseases such as acute viral…

Q: The following DNAs were incubated with E. coli DNA Polymerase I and dNTPs. Write the products…

A: DNA replication is the process by which new DNA is synthesized from the old DNA by semiconservative…

Q: 2. Sketch what the plasma membrane lipids would be expected to look like when spread in a single…

A:

Q: woman who is a carrier of sickle-cell trait (making her a heterozygote) has children with a man who…

A: Sickle cell anemia is an autosomal recessive disorder. There is a mutation in the single base pair…

Q: Why would you use one single colony for both streaks on a plate and inoculate a culture for plasmid…

A: Introduction Plasmids are important for the transformation of bacteria. They are used as vectors and…

Q: Differentiate between a Trojan horse and a worm. An explanation of THREE (3) signs of malware…

A: Introduction: 1) worm:- Although worms and viruses are similar, they do not alter programmes. It…

Q: Fructose, a component of sucrose, and ribose, a component of nucleic acid, have very similar…

A: Introduction Sucrose is formed when there is a joining of Fructose and Glucose. Whereas Ribose is a…

Q: The Tasmanian devil, a marsupial indigenous to the island of Tasmania (and formerly mainland…

A: The Tasmanian devil, a marsupial indigenous to the island of Tasmania (and formerly mainland…

Q: why does DNA breathing occur?

A: Introduction: DNA serves as the template and substrate for many important biological processes,…

Q: Which species is the stronger competitor for space in the intertidal zone? O Chthamalus Balanus

A: Introduction  The region between high and low tides where the ocean and land meet is known as the…

Q: Redraw and rearrange the branches of the tree below to make the most parsimonious (simplest) tree. A…

A:

Q: Explain no disjunction and recall it’s consequences, including Down Syndrome.

A: Introduction :  The nucleus of an organism contains chromosomes, which are thread-like structures…

Q: Suppose that in a certain neuron, negatively charged protein molecules found in the intracellular…

A: A Neuron is a functional unit that is required to transmit the messages inside the body from organs…

Q: Receptor mediated endocytosis requires the presence of 6. a) carrier proteins that move molecules…

A: Phospholipids, proteins, and carbohydrates make up the plasma membrane. The membrane is permeable…

Q: According to Strassman and Queller, why is a mouse more of an organism than a biofilm? The cells in…

A: organism is a living thing, such as a plant, animal, or single-celled life form, or something that…

Q: beta-thalassemia

A: Hemoglobin: Hemoglobin is the iron-containing protein in red blood cells which carries oxygen to…

Q: If an organism is said to be a chemoautotroph, which of the following statements is true? The…

A: Living beings derive their energy from various sources. The organisms that derive energy from the…

Q: Write the nucleotide sequence, including the primer, in the 3'to 5' direction. 3'- -5'

A: The current iteration of the dideoxy chain termination sequencing technique is dye terminator…

Q: Which of the following is O They are multi-cellular O They exchange genetic O They are eukaryotic. O…

A: Introduction Microbes are microscopic, single cells that are completely invisible to the human eye.…

Q: Where is the energy stored in a molecule of ATP?     In adenine     In the bonds between the…

A: ATP is the energy currency in the cell.It is chiefly synthesised in the mitochondrion of the…

Q: How is potassium important to the sodium pump a) attracts sodium out of the protein pump surface. b)…

A: Introduction Potassium pump:- This pump is found in cell membrane. ATP is needed for this pump to…

Q: please explain this question to me. Also, even though we get 96 in the second option, why is it…

A: Meiosis is a cell division processes in which 4 haploid (n) and genetically different daughter cells…

Q: a) b) Determine the F₁ and F2 phenotypes from a cross between AABBccDDEE and AABBCCDDee plants. What…

A: Polygenic traits such as skin color, flower color, etc are controlled by two or more two genes. The…

Q: 7. What happens during the hydrolysis of maltose? a. water is removed from maltose b. water is added…

A: Biomolecules Carbohydrates, protein,lipids and nucleic acids are the major biomolecules , that…

Q: Which species is the better interspecific competitor: Lemna polyrhiza O Lemna gibba O Lemna…

A: Introduction  When individuals of different species fight for the same resources in an environment,…

Q: Based on the most parsimonious tree above, which character independently evolved in more than one…

A: Phylogenetic trees are a tool to represent the evolutionary relationship. The idea is based on the…

Q: Question 5. One of the changes that happened during the study period was that there was less food…

A: Evolution is described as a time-consuming and complicated process of development. Evolution is a…

Q: A student in the figure below is holding the microscope properly. Can you describe the right way to…

A: Answer: Microscope : It is the instrument used in laboratories to see the microorganisms which…

Q: Read through these excerpts from both scientists to answer the following questions: "The Origin of…

A: Introduction Alfred Russel Wallace was a naturalist, geographer, biologist, anthropologist,…

Q: If the plasma membrane becomes more permeable to Cl-, would there be Clinflux or Cl- efflux at an…

A: The resting membrane potential, often known as the resting potential, is a voltage across the…

Q: Do all the phylogenetic trees below represent the same relationships (same topology)? If not, circle…

A: The phylogeny depicts the evolutionary relationship between taxons present in the phylogeny.