Organ systems of groups of animals show a similar pattern that may differ to a certain extent among members belonging to the same phylum. Similarities of that are based on homologous organs provide information on evolutionary relationships. All of the following are homologous structures EXCEPT: *

Q: PrfA is a protein that serves as a global regulator of virulence genes in Listeria, a bacterium that…

A: The bacterium Listeria sp. is a pathogenic bacterium that is responsible for causing listeriosis.

Q: What sort of molecule would benefit from the action of chaperone proteins? А. GRNA. В. Hydrophobic…

A: The proteins are made up of amino acids that binds together by peptide bonds. Different types of…

Q: The table below records information on a gene with two alleles, Z and Y, in four different…

A: * There are four types of  evolutionary forces  mutation gene flow genetic drift natural selection…

Q: Experiment #1: Scientists thought beriberi might be caused by bacteria. They injected chickens with…

A: In case of any scientific experiment the selection of experimental and control groups are very much…

Q: Photosynthesis and cellular respiration are found throughout the eukaryotic world. They are…

A: The last common universal ancestor was known as Luca is estimated to have lived 4 billion years ago.…

Q: What is the importance of preserving biodiversity?

A: Ecosystem balance, often known as "ecosystem homeostasis," is influenced by both factors that tend…

Q: Question 26 Plant 1 has a genotype AaBb. Plant 1 has a genotype AAB . List all posible gamete…

A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: 4. Fill in the fourth column (inversion) of the table. Chromosomal Mutations Translocation Deletion…

A: Introduction Translocation is a biological mechanism, a type of genetic change that takes place in…

Q: What are respectively some remarkable functions of myosin, CD4, albumin, keratin, immunoglobulin,…

A: * Myosin is a  molecular motor that is a protein which convert chemical energy into mechanical…

Q: Susan was born with the genetic disorder Cystinuria although neither of her parents has the disease.…

A: This question is based on inheritable disease cystinuria.

Q: Give further examples of animal movement and its applications, such as in ants, lizards, and…

A: Creature velocity, in ethology, is any of an assortment of strategies that creatures use to move…

Q: The immune system includes the various responses the body uses to ensure survival in the presence of…

A: Immune system is the ability of the body to resists the entry of foreingn proteins that could be…

Q: Eye color in Drosophila is determined by a gene is on the X chromosome, with the red-eye allele…

A: Let XR be the red eye allele and Xr be the white eye allele.  In drosophila, males have XY and…

Q: Consider 2 loci in Angus cattle: One locus for coat colour G allele = Black is dominant over g…

A: Given that, there are two loci in Angus cattle: one locus is for coat color and another one is…

Q: On a hot, dry day, plants close their stomata to conserve water. Explain the connection between the…

A: Photosynthesis, Transpiration

Q: 3. Describe how cyclins and cyclin-dependent kinases are related. How do these molecules help…

A: As per our company guideline we are supposed to answer only first queation or first 3 sub parts of…

Q: basic procedure of genetic engineering

A: Genetic engineering is the process of using recombinant DNA technology to alter the genetic makeup…

Q: Distinguish between photosystem - I and Photosystem - I.

A: Photosystems contain a response centre and an antenna complex. Normally, there are two photosystems…

Q: Florida Scrub Jays live in extended family groups in which one pair breeds and all of their…

A: Distribution of individuals or plants in a particular area forms  different types of pattern. This…

Q: indicate at the structural level how 3TC works as a deoxycytosine analog, and why it is a chain…

A: Deoxycytidine when converted to deoxycytidine monophosphate (dCMP) it acts as a DNA precursor.

Q: Snow geese (Chen caerulescens) come in two color types, white “snows” and “blues” with dark bodies.…

A: According to Hard-Weinberg Law -  If p is the allelic frequency of the dominant allele, q is the…

Q: 17. Which of the following statements best explains the Theory of Natural Selection? *       a.…

A: Introduction:- Natural selection is a process of adapting the new environment to survive and to…

Q: Do the phosphate and the pentose groups give homogeneity or heterogeneity to the nucleic acid…

A: The phosphate and pentose bunches are something very similar in each nucleotide that makes a nucleic…

Q: Discuss the differences between gram-positive and gram-negative cell walls. Why is this important…

A:

Q: A woman with type A blood has a child with type A blood. Which type of the following men could not…

A: The correct option is: Option C IB IB

Q: What three steps are included in the breakdown of pyruvate? Explain the importance of Acetyl Co A as…

A: Animal cells produce ATP by cellular respiration, whereas plant cells produce carbohydrates through…

Q: Why do we need several ways to measure species diversity

A: The word species diversity is self-explanatory inferring the variety of species in an ecosystem.…

Q: Mindoro Black Rat (Rattus mindorensis) Explain why the following are the taxon of this animal:…

A: Rattus mindorensis is one of the species in Rodents and is known as Mindoro black rat. These are…

Q: Gas exchange usually results in a loss of o Desert plants have special Photosynthesis has an optimal…

A: 1. Gas exchange usually results in a loss of oxygen and water vapors. This process occurs through…

Q: Why does tolerance not develop with drugs that target ion

A: Tolerance is a biological process in which repeated and increasing frequency of dose of the drug is…

Q: To facilitate proper bacterial growth, the cells used to inoculate the agar growth medium in the…

A: Options C,D and E are correct.

Q: How can you protect the diversity

A: Biodiversity It is a broad term collectively describing the interactions of all the living organisms…

Q: An extreme-weather event has knocked out power in your community. Even with rebuilding efforts, it…

A: Food preservation is essential to avoid the wastage of food. There are natural as well as man made…

Q: Which of the following labeled structures is meristematic? 2

A: In plant biology, meristem is a particular type of tissue consisting of  small cells that can divide…

Q: Which are the nucleotides "portions" that bind in the formation of nucleic acids? What is meant by…

A: The term nucleic acid is associated with the biomolecule that plays an important role in storing as…

Q: numans, having freckled skin (F) is dominant. Assume that a homozygous recessive n and a…

A: Freckles are dominant over non freckles. It is a condition where the organisms devolop brown spots…

Q: . Bacterial growth is the proliferation of bacterium into two daughter cells, in a process called…

A: The bacterial growth occurs by exponential fashion in which they follow the binary fission that…

Q: Main factors that affect stroke volume. preload contractility afterload autonomic nervous system

A: To understand the principles of cardiac stroke volume it is necessary first to define the cardiac…

Q: Do the phosphate and the pentose groups give homogeneity or heterogeneity to the nucleic acid…

A: The phosphate and pentose bunches are something very similar in each nucleotide that makes a nucleic…

Q: A particular flower can be purple, blue, red or white. Two different pure-breeding white plants are…

A: The term locus is associated with a specific site on a chromosome where a gene is located, according…

Q: The Bombay phenotypes is an example of: A) locus heterogenicity and complementation B) Additive…

A: Answer :- Option (D) is correct. - The Bombay phenotypes is an example of recessive epistasis.

Q: As part of an experiment where absorbance values are measured using a spectrophotometer, you are…

A: The bacteria growth uses mitotic cell divisions. The bacterial population grows until the nutrients…

Q: What specific evidence do paleoanthropologists cite to support the arguments that Neanderthals had a…

A: Paleoanthropologists consider that Neanderthals had propensity to interbred. The reasons for that…

Q: Identify the example that is ONLY true of the vertebrate innate immune system.

A: Innate immune system It is the immunity that is present in the body since birth. It aids in…

Q: Discuss sabin feldman dye test.

A: A Sabin–Feldman dye test is a serologic test for toxoplasmosis diagnosis. Toxoplasma trophozoites…

Q: This theory states that organisms with desirable characteristics may survive while those with weaker…

A: According to the guidelines multiple questions need to be submitted separately.  The first one is…

Q: Fill in the blanks: In electrophoresis, an electric current is applied to the matrix of a gel-like…

A: Gel electrophoresis is a technique that is utenly used in molecular biology laboratories. It…

Q: The alleles for Blood type O can be represented by: "O0". (Two capital Os) Which of the following is…

A: Blood group of an individual is represented by the presence/ Absence of certain proteins on the…

Q: Identify all correct statements below re. the D614G mutant of SARS-CoV-2:     The D614G mutant…

A: SARS-CoV-2 (severe acute respiratory syndrome) uses ACE-2 (angiotensin-converting enzyme) as a cell…

Q: Compare and contrast cortisol vs. catecholamine release in response to stress

A: Both Cortisol and Catecholamine are stress hormones. They are chemical messenger present in the…

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.