QUESTION 12 Ack! Your nematode cultures are infested with a pesky, but novel bacterium! You decide to grow nematodes on either normal bacteria or the new novel bacteria. After 10 generations, you attempt mating trials between the two populations. Below are the results of your breeding experiments. The numbers within each box represent the number of offspring produced in the cross. Female nematodes reared on... Normal Novel bacteria bacteria Normal bacteria 365 Male nematodes reared on... Novel bacteria 452 Which of the following is the most appropriate conclusion from your results? O a. The populations appear to be most likely in the process of speciation. O b. Heterozygote advantage is occurring because offspring of cross-breeding have greater survival. O C. The two nematode populations have undergone complete speciation. O d. All individuals were all equally reproductively successful regardless of mate combination.

Q: Platelets are capable of which of the following? Select all that apply.   activate clotting enzymes ...

A: Platelets:- Platelets are tiny blood cells that help your body form clots to stop bleeding. Activati...

Q: Two genes are found in a chameleon, one for camouflage (dull colors dominant to vibrant colors) and ...

A: Introduction :- A quality seen in the link between two variants of a gene is recessive. Each parent ...

Q: Consider the following wild-type double-stranded DNA sequence: 5' TATGAA AGT3 non-transcribed strand...

A: A gene mutation that results from the substitution of one base pair of another. TATGAAAGT non transc...

Q: Which of the following are used for mechanical digestion? A. Pancreatic juice B. Saliva C. Bile D. H...

A: Introduction:- The digestive system of the human body is made up of a collection of organs that work...

Q: protozoans

A: protozoans a very small living thing, usually with only one cell, that can only be seen using a micr...

Q: During the summer, you have learned that the thermal stratification forms in the lake. Please arrang...

A: Thermal stratification occurs in the lakes because of the effect of warmer and intense temperatures ...

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 did this man have a pulmonary embolism?

A: Introduction:- Thrombosis is a blood clot that prevents blood from flowing freely through blood arte...

Q: Which one of these mutations would definitely NOT affect the function of the protein coded by the ge...

A: A mutation simply refers to a change in a DNA sequence. There are three basic types of mutation - in...

Q: 3. Describe three systems that are negatively influenced by chronic stress and the mechanisms and th...

A: Introduction: Stress:•A long-term feeling of being pressurised and overloaded, with symptoms such as...

Q: From the options below, select the most likely effect of a mutation that causes cyclin B to be unabl...

A: Cell division is of two types: mitosis  meiosis

Q: Given the short description here, mark all the characters and leave the character states unmarked. *...

A: Taxonomy helps us to classify the taxons in appropriate categories. 

Q: 1. How the artificially produced estrogen and progesterone in contraceptive pills prevents pregnancy...

A: The reproductive cycle in female primates is called as mentural cycle. for eg. in apes, monkey and h...

Q: .32 10 p^2 68 q^2 .46 2pq .1 Number of Mottled 90 Individuals Number of Orange .44 Individuals

A: The Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law i...

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

A: There are some important points: As it looks like blood agar which is enriched medium which mostly ...

Q: Which of the following are essential characteristics of RNA? (Not characteristics that are typical, ...

A: Presence of uracil defines a nucleic acid structure to be an RNA. Being single stranded is not a fea...

Q: Imagine you will use a centrifuge in the laboratory indicating rpm and your protocol requires 3500xg...

A: Centrifuge Device:   A centrifuge is a laboratory apparatus that separates fluids, gaseous or liquid...

Q: discovering of Tuberculosis

A: For his research on tuberculosis,  Koch Robert received the Nobel Prize in Physiology or Medicine in...

Q: Give a short description how two-point discrimination test is carried out in the lab.

A: Introduction:- The skin's two-point discrimination test is a simple sensory nerve function test. The...

Q: Explain periplasms and their importance

A: Introduction :- In Gram-negative bacteria, the periplasm is the gap between the inner and outer memb...

Q: Explain the importance of the protein structures (from its primary to quaternary structures) in thei...

A: Introduction:- The amino acid sequence and local, low-energy chemical bonding between atoms in the p...

Q: Connie accidentally touched the hot kettle. Explain what happens using your knowledge of withdrawal ...

A: Withdrawal reflex is automatic withdrawal from painful stimulus..

Q: Please match the Arthropod subphylum or class to the description. two pairs of antennae [ Choose ] [...

A: Arthropoda is a largest phylum in Animal kingdom. 

Q: 3. Construct a pedigree chart by following the information given below. A man who is heterozygous fo...

A: The constructed pedigree along with genotypes are attached below. "a" allele carries the trait.

Q: What should be the main consideration/s in grouping protozoans?

A: In the classification system, protozoa are considered a subkingdom of the kingdom of Protista, despi...

Q: MicroRNAS attach to MRNA. In doing this, they... O Lead to the production of more protein O Lead to ...

A: The control of gene expression through micro RNA is dones mainly by binding with the messenger RNA (...

Q: Please answer fast If the plasmid Lac operon has a mutated lacO operator gene that prevents the rep...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: An adoptive parent may not disinherit an adopted child.

A: biological children -  the  child conceived rather than adopted by a specified parent, and therefore...

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: What is the major challenge shared by viruses, prokaryotes and eukaryotes regarding the physical str...

A: A genome refers to the collection of all the genes in a particular organism. Genomes are essentially...

Q: Why would one use the Goldman-Hodgkin-Katz equation? • What is the role of the Na+/K+ pump in establ...

A: Introduction :- In cells, the Na+K+-ATPase pump aids in maintaining osmotic balance and membrane pot...

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

A: The given picture shows the blood agar of gram negative entero-bacteriacea named Morganella morgani....

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: 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: What is the virulence factor of Mycobacterium tuberculosis

A: Virulence factors are specific molecules of pathogenic organisms that cause the invasion against the...

Q: What are the ionic differences between the extracellular and intracellular fluids? • Give the theory...

A:

Q: Microstimulation of area MT in humans would most likely influence visual processing of     a. color...

A: Microstimulation is a technique for researching the neurological underpinnings of perception. The pr...

Q: Why is it best to examine a freshly collected stool sample in clinical parasitology laboratory?   ...

A:   INTRODUCTION         In the  Medical Parasitology, the specimen collection is an important part th...

Q: Is reflex the same as reaction time? Explain your answer.

A: Introduction: Reflex action is an involuntary response to stimuli that occurs suddenly. It helps org...

Q: Identify the type of fluid or the fluid compartment in which the given item would be found. Gamma Pl...

A: Intracellular fluid (ICF) is the cytoplasm of the cell. Extracellular fluid (ECF) is the medium that...

Q: 1. I. What molecule holds instructions tor the synthesis of proteins and copies itselt tor the next ...

A: Introduction :- Proteins are macromolecules that are polymers of structural units known as amino aci...

Q: Placentals Marsupials Monotremes Mammals AMNIOTA Birds Crocodiles Lizards + Snakes TETRAPODA Tuatara...

A: Agnathans are different class from Gnathostomata. So it is placed as a different node in the table w...

Q: Identify one component of the cell. Describe the structural appearance using your own words Explain ...

A: 1)Cell is the smallest basic structural, functional and biological unit of life.The main components ...

Q: What does a MEGA plate tell you about your microbial culture?

A: Microbiology is a discipline of biology that studies creatures that are too small to view with the n...

Q: Transmission and scanning electron microscopy differ because transmission electron microscopy shows ...

A: As per the guidelines, we are supposed to answer only one question. Kindly repost the other question...

Q: Differentiate between interspecific and intraspecific competition and provide a specific example of ...

A: In nature the resources available tends to be limited at any given point of time. This limited avail...

Q: what are the different taxonomic classifications of protozoans

A: Introduction :- Protozoa are heterotrophic, unicellular eukaryotic organisms. They can either live f...

Q: Please choose all that apply for Phylum Arthropoda. segmentation coelom hemocoel O endoskeleton O op...

A: Introduction:- Animals without a notochord – the rod-like elastic structure that supports the body –...

Q: Identify the stages of follicle development in the following images Primordial follicle Primary fol...

A: primordial follicle: single oocyte surrounded by a single layer of granulosa cells.   Primary folli...

Nitrogen metabolism

Nitrogen metabolism is the synthesis, utilization or uptake, breakdown, and excretion of nitrogenous compounds in the body. The nitrogen metabolism encompasses nitrogen fixation, biosynthesis, and the breakdown of amino acids, purines, and pyrimidine. Since nitrogen-containing compounds are required for various life processes, nitrogen is an important element of life.