1. Look again at the six embryos in their earliest stages. Describe the patterns you see. What physicalsimilarities exist between each of the embryos? 2. Does this suggest an evolutionary relationship? Explain how.these embryos can be used as evidence of acommon ancestor between each of these six organisms.
Q: How does developmental biology provide evidence of a common ancestry for vertebrates as diverse as r...
A: Evolution is a gradual change that occurs in populations. Mutation, genetic drift, natural selection...
Q: Why has the American medical profession risen to itspresent heights?
A: Medical profession is field which provides health care services to patient.like pharmacy, hospital, ...
Q: Compare and contrast the structure and functions ofhypothalamic neurosecretory neurons that send the...
A: Hypothalamus is the part of the brain involved in endocrine function.
Q: In the case of GPCR (G protein coupled receptor) signaling pathways, which of the following statemen...
A: G protein-coupled receptors (GPCR) are cell surface receptors. They are also known as seven-transmem...
Q: Referring to the pattern of inheritance of comb type and feathering in chicken, consider the cross b...
A: The pattern of inheritance of comb type and feathering in chicken. First we will acknowledge that co...
Q: All four genes that are used to reprogram differentiated cells to function as pluripotent stem cells...
A: The stem cells are the potential cell that develpo into many different cell types in the body. This ...
Q: Not all mutations are bad. There are naturally occurring genetic mutations that can change the appea...
A: crop breeding does: to improve yield, resist insects and disease, improve crop quality, shorten tim...
Q: aved Which correctly describes the sequence of molecules in the urea cycle? Ornithine, Citrulline, A...
A: Introduction : Urea cycle is a process of conversion of toxic ammonia to less toxic urea. Products ...
Q: Which of the following is true of TATA boxes
A: Transcription is the process of synthesis of RNA using DNA as a template. The process uses DNA depen...
Q: breast cancer.
A: 1. The pineal gland is a small endocrine gland present on the dorsal side of forebrain. This gland ...
Q: Wolves recolonized a large area around Grand Teton National Park (GTNP) in the late 1990’s. Wolf bio...
A: A Population Growth (Gr) is calculated by subtracting the initial population from the final populati...
Q: A bird has just observed a potential mate. In order for the mating ritual to begin, which of the fol...
A: The nervous system is divided into two parts: The brain and spinal cord together form the central n...
Q: Genotype and environment interact to produce the phenotype ofan animal. Explain comprehensively the ...
A: Genetic traits are regulated by genes.
Q: . Which of the following statements best explains the Theory of Natural Selection? * A. Organs tha...
A: Natural selection is a process of adpating the new environment to survive and to reproduce. Those ma...
Q: Provde real exmaples of Public health strategies and campains of the prevalence of diabetes.
A: Diabetes can be described as condition in which blood glucose or blood sugar, becomes too high in th...
Q: a. Summarize the factors that are causing lower numbers of caribou in herds in Alaska b. what impact...
A: An ecosystem is a natural community of living beings that deals with the external environment and ot...
Q: What is water cycle and explain how it works
A: As per our guidelines we are not allowed to answer more than one question at a time. Please ask othe...
Q: Yeast fermentation is of a value in making baked products due to the release of:
A:
Q: Which of the following agents does NOT cause protein denaturation? Neutral pH Air Heat Alcohol None ...
A: Introduction : Proteins are the nitrogenous organic compounds which are composed of one or more long...
Q: Virology:How does influenza ensure the correct packaging of all genome segments ?
A: Influenza is basically a virus having genome with 8 single stranded RNA segments which are negative ...
Q: What is chromosomal formation called? 2b. When specifically was it formed? 3c. Would it be found i...
A: * chromosomes are the structures found in nucleus of cells with long pieces of DNA. *DNA holds genes...
Q: A) Calculate the map distance separating the three genes B) Which gene is in the middle?
A: Symbol white eyes = r short wings = l ebony bodies = g red eyes = R long wings = L Gray bodies...
Q: make a diagram illustrating the evolution of a domesticated crop (preferably one that is cultivated ...
A: Crops has been cultivated from ancient time. Corn is one of the major cultivated crop in different p...
Q: Evolution is the accumulation of genetic changes within _______________ over time. (a) individuals (...
A: The biological change of a species over time is referred to as evolution. Evolution helps organisms ...
Q: In your practice, you have a patient at increased risk for cardiovascular disease. The statins you p...
A: Statins work by competitively inhibiting the active site of HMG-CoA reductase, the first and most im...
Q: biologists were able to estimate that, on average, only 5 fisher kits (young animals) survived to 1-...
A: Setting fishing limits, modifying fishing methods, creating aquaculture techniques, and identifying ...
Q: Why is O+ compatible with O+, AB+, A+, B+?
A: Introduction : Landsteiner studied the properties of blood cells and the proteins on the surface of ...
Q: The extent to which a given gene is transcribed depends upon (A the single transcription factor boun...
A: Transcription is a process where DNA converted into a mRNA. It has three step initiation, elongation...
Q: All may be RNA polymerase Il promoter constituents EXCEPT: (A a TATA box upstream the transcription ...
A: * promoter is sequence of DNA where proteins binds initiate transcription of RNA from DNA downstream...
Q: The developmental pattern of C. elegans is said to be mosaic because (a) development is controlled b...
A: Introduction:- The nematode worm Caenorhabditis elegans is perfect for understanding the genetic con...
Q: Define about Sanger sequencing ?
A: Introduction:- The process of determining the sequence of nucleotide bases (As, Ts, Cs, and Gs) in a...
Q: The loss of heat by a body, which, as a general rule, loses heat by 1-1 ½ degrees per hour until the...
A: After death of the organism the organ systems of the body fails that causes disruption of the homeos...
Q: Complement activation is a cascade reaction, with each component sequentially acting on others, in a...
A: A cascade reaction, also known as a domino reaction or tandem reaction, is a chemical reaction that ...
Q: e tissue makeup for life on a large planet with strong gravity; a cold, dry climate; and a thin atmo...
A: The cells responds differently to different types of conditions like varying temperatures, humidity ...
Q: A. from eagles to rabbits B. From weasels to eagles C. From rabbits to green plants D. From weasels ...
A: The ecological pyramids show the transfer of energy and matter in the form of food from one populati...
Q: name of the cellular receptor that hemagglutinin binds to ?How does Influenza enter the cell once it...
A: Influenza Is a viral infection that targets the respiratory tract of humans (mainly the nose, throat...
Q: Patients with sever ly reduced C3 levels tend to have а. Increased number of severe viral infections...
A: C3 means complement component is a protein present in the immune system. It is important for innate ...
Q: How does lupine affect the range of the Karner Blue butterfly? A Lupine displaces Karner Blue host ...
A: The scientific name of Karner blue butterfly is the Lycaeides melissa.It belongs to class insecta in...
Q: Why are there multiple receptor subtypes for eachneurotransmitter? Why not a few receptors and lots ...
A: Introduction A molecule within or on the surface of a cell that attaches to a specific chemical and ...
Q: Which of the following is considered a synapomophy of the Kingdom Disciristatae? * It exhibits the t...
A: Evolution is defined as the process of change in allelic frequencies in a population over successive...
Q: 3. Ehylene glycol, the main ingredient in antifreeze, is an odorless, colorless, sweet tasting water...
A: In case of ethyl glycol poisoning, ethyl alcohol is and fomepizol is used for the treatment as an an...
Q: ene that can regulate the expression of multiple language genes. What could be the probable protein/...
A: Humans have an innate ability to create highly complex linguistic systems. It is a skill that is inh...
Q: Phenylketonuria (PKU) is a disorder caused by a recessive allele. Two carrier individuals have proge...
A: Answer
Q: What are MHC class I and class II receptors and how do they recognize foreignness? This is an im...
A: MHC (Major Histocompatibility complex) is a type of transmembrane glycoprotein which are presented o...
Q: Sketch a diagram to illustrate the interaction between MHC I molecules of the named cell type and th...
A: The MHC I molecules are the major histocompatibility complex I which are present on the surface of a...
Q: Only get 10% of energy transfers from one level to the next. Where does the energy go??
A: A graphical representation of the energy found within the trophic levels of an ecosystem is an energ...
Q: Question 8 Modification of histone proteins include the following EXCEPT A phosphorylation of serine...
A: Histones are highly basic proteins that compress DNA within the nucleus to produce chromatin, which ...
Q: Aromatase inhibitors are a new generation of drugs used to treatwomen who have estrogen-sensitive br...
A: In 70% of the cases of breast tumor estrogens fuel the growth of a tumor. It stimulates the growth o...
Q: Modification of histone proteins include the following EXCEPT A phosphorylation of serine residues B...
A: Histones are basic proteins found in chromosomes that bind to DNA and give chromosomes their shape a...
Q: provide an example of a clinical scenario where a Type A patient has wild type A alleles at the ABO ...
A: The ABO blood grouping is controlled by an 'i' gene. This gene has two alleles iA and iB. Both these...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Which of the following things is/are true about this organism? Phylum Chordata Agnathan Class Osteichthyes invertebrate chordate has jaws amniotic egg has a backbone Olives in the water MacBook AirReproductive characteristics and structures of sleected invertebrates and vertebrates. Fill in the blanks. SPECIMEN SEXUAL FORM EXTERNAL MORPHOLOGY GONADS ACCESSORY STRUCTURES Taenia solium Ascaris suum Pheretima Rhinella marina Mammalian modelExtast Cyclostomes, whichincludes has fishesnd Lampreys, are theo dest lineage of vertebrates, which chaachteran co) difforentlates extat Cycbstre from extant cartildaginaus Aish (chandraichlyns)? Lyclostomes lack Jaws Cycbstomes haye cartlaginous, skeletons Darsal and ventral fAns absent from Cyclostones Cyclostones lack a Vertebrad Colum Cyclostames have mineralization of Skelehms
- Why can the amphibiancirculation be classified asdouble and incomplete?Developmental patterns between protostomes and deuterostomes Developmental Pattern Protostomes Deuterostomes Cleavage pattern Coelom development Fate of blastoporeWhich of the 4 characteristics of Phylum Chordata is visible on this organism? Pharyngeal slits Dorsal hollow nerve cord Notochord Post-anal tail
- Amphioxus x.s (Female Slide) Explain the functions of the amphioxus, such as the pharynx, gills, gills slits, atrium, ovary, etc. Compare the internal features of the Amphioxus to starfish, grasshopper, earthworms, and planarian.Coelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.Which of the following is not a characteristic found in sea stars? Walking on tube feet An exosekeleton Deuterostome development A bilaterally symmetric larvae
- 1) describe the four distinguishing characteristics of chordata a d the structural, functional, and reproductive adaptations throughtout the group 2) discuss the evolutionary history of hominins and homo sapiens, relating our species to other ales other primates and other mammalsDescribe the adaptations "bilateral symmetry", "radial symmetry", "cephalization", "closed circulatory system", "coelom", and segmentation.Describe the discoveries of living coelacanths. What is the evolution-ary significance of the group to which they belong?