1. One type of vertebrate cell that is thought to lack integrins is the erythrocyte (red blood cell).Does this surprise you? Why or why not? 2. How are integrins able to link the cell surface with materials that make up the ECM? How do the inactive and active structures of integrins differ from one another structurally and functionally? What is the significance of the presence of an RGD motif in an integrin ligand?

Q: As scientists in Canada traveled further north into colder climates measuring the size(mass) of moos...

A: Bergmann's rule is an ecogeographical rule that claims that larger creatures are found at higher alt...

Q: The proteasome is a multi-subunit machine that unfolds anddegrades proteins. How is its activity reg...

A: The proteasome is an exceptionally refined protease complex intended to complete particular, effecti...

Q: 1. Explain how DNA encodes genetic information. 2. Explain the role of complementary base pairing in...

A: Explain how DNA  encodes genetic information The arrangement, or sequence, of the nucleotides along ...

Q: What are the main ecological roles of bacteria?

A: Bacteria are single-celled microorganisms that are essential to the existence of all life. They have...

Q: What are the main orders of placental mammals? What are some representative species and distinguishi...

A: Introduction In this question we have to discuss about the main orders of placental mammal.  

Q: What kinds of molecules are likely to be included or excluded from newly formed vesicles? What is th...

A: Biomolecules are biological molecules found in live organisms that participate in a variety of biolo...

Q: 1 2 3 4 5 6 The pedigree above displays the inheritance of dominant condition P. Assuming that marke...

A: The percentage of recombinants is determined by theta factor. If the marker-disease linkage (theta) ...

Q: What percentage of vertebrate species do mammal species make up?

A: The vertebrates are the animals in which the notochord is replaced by the vertebral column. The vert...

Q: 1. ____ occurs when allele frequencies change over generation due to random chance. a. extinction ...

A: Introduction: Gene flow is the transfer of alleles or genes from one population to another. This cau...

Q: Certain physical changes were necessary to allow human ancestral species to walk on two legs (bipeda...

A: Bipedalism is the ability to walk and running in two legs. The fossil structure says that the human ...

Q: Graph of Absorbance vs Time(mins) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 20 30 40 50 60 70 80 Time (mins...

A: Growth rate of bacteria is the speed or rate at which the bacterial population grows per unit time  ...

Q: The 5'-Cap on viral MRNA plays a critical role in: Maturation and stability of the MRNA Translocatio...

A: In eukaryotes, the 5′ cap (cap-0), found on the 5′ end of an mRNA molecule, consists of a guanine nu...

Q: What is known as Src phosphorylates ZBP1 ?

A: Introduction: The localization of beta-actin messenger RNA to the sites of active actin polymerizati...

Q: Complete a Punnett Square for a male who is heterozygous for the polydactyly, and a female who is ho...

A: Note: As per Bartleby Guidelines, For Remaining Answers Please Repost The Question. Introduction: Po...

Q: Explain why mitosis is normal in cells containing both horse and donkey chromosomes, but the mixed s...

A: Mule is the offspring of a male donkey and a female horse. Horses and donkeys are different species,...

Q: What does the circled structure do?

A: Heart Mesodermally derived organ, is situated in the thoracic cavity between the lungs, slightly ti...

Q: As exercise of a set intensity occurs over several hours The ratio of fat to carb calories used stay...

A: * Exercise intensity  means the amount of energy required for physical activity per unit of time. *T...

Q: Briefly describe whey amino acids with hydrophobic side chains (R-groups) tend to cluster on the ins...

A: The amino acids are the basic unit of polypeptide that are bounded by peptide bond. The three dimens...

Q: 4. The allele for yellow seeds in pea plants, Y, is dominant. The allele for green seeds in pea plan...

A: 4- the correct option is -d. yy combination would produce a plant with green seeds. 5- the correct o...

Q: What are the main cells that compose poriferans?

A: Phylum porifera contains unique animals called sponges. They are termed as sessile metazoans as they...

Q: PGC1alpha O is regulated by PPAR-delta O affects many tissues relevant to endurance training O is di...

A: ANSWER) PGC1 stands for Peroxisome proliferator-activated receptor gamma co-activator 1 alpha and is...

Q: Can you tell me about the survival and prognosis of malaria today, please?

A: Malaria is a vector borne disease caused by protozoan plasmodium species through female anopheles mo...

Q: All of the nutrients needed by higher plants are supplied through mineral weathering. True or False

A: Essential elements in plants are those elements that are very much needed by the plants for there gr...

Q: Name three human activities that can promote soil erosion. Describe six farming methods that help re...

A: These human activities that can promote soil erosion includes:  overgrazing deforestation human ind...

Q: 3. Give the genotypes of the gametes a heterozygous tall, purple-flowering pea plant (TtPp) could pr...

A: Introduction: The genotype is the set of genes in DNA responsible for a trait. In a way it refers to...

Q: What is the range of values for percentage of emissions from transport of food to retailers (deliver...

A: The range of values for percentage of emissions from transport of food to retailers (delivery) lies ...

Q: What are the main cells that compose poriferans?

A: International In this question we will discuss about the main cells that compose poriferans.  

Q: Modern day industrial agriculture:

A: Industrial agriculture is a new from of agricultural techniques and it is mainly exhibit form 20th c...

Q: Using a diagrammatical presentation show how serial dilution was performed if the final volume in ea...

A: Serial dilution is very useful process for diluting the sample and it is also helps in the calculati...

Q: list 3 core task which related to ergonomic factor.

A: Ergonomic factors are concerned with the people and their work. There are some hazards of work which...

Q: How to know the sequence of all mRNAs ?

A: For the determination of the gene sequence that is based on the template of mRNA, we need to do the ...

Q: A B Study the diagram then answer the questions that follow. has the thinnest layer, thereby allowin...

A: Introduction: Capillaries are smallest blood vessels.Capillaries bring about the exchange of substan...

Q: I-cell disease is a classic example of an inherited human defect in protein targeting that affects a...

A: Lysosomes are membrane-bound organelles that house digestive enzymes. Lysosomes include approximatel...

Q: pigments and its function that is present in kabocha squash

A: Botanical name: Cucurbita maxima The nutritional content of kabocha squash: Kabocha squash is known ...

Q: 1) Based on the 6 fitball stretches [pelvis Tilt, side to side, backbend, fwd bend, childs pose, and...

A: anterior, posterior, and lateral pelvic tilts are the types. Pelvic Tilt to the Front When the front...

Q: In the past 5 years, have GM crops been growing faster in industrialized nations or in developing na...

A: Genetically modified crops are those plants whose genetic material has been altered by gene editing ...

Q: When studying the processes of speciation, we learned about situations when two closely related spec...

A: Reproductive isolation is an evolutionary mechanism that promotes speciation by preventing the inter...

Q: Can you tell me the statistics for survival and prognosis for malaria?

A:     INTRODUCTION     Malaria is a disease that mainly caused bya Parasite. There are  four types of ...

Q: 5. Indicate how the following perturbations affect dorsal/ventral patterning of the somites. a. Remo...

A: Answer :: a) shh stands for Sonic hedgehog. This acts as a ligand for patched receptor. Shh are n...

Q: DNA from a strain of Bacillus subtilis with genotype a + b + c + d + e + is used to transform a stra...

A: Introduction :- The basic physical and functional unit of heredity is the gene. DNA is the material ...

Q: Describe the conservation of bicarbonate ions in therenal system.

A: Sodium bicarbonate reacts with strong acids such as HCl to form carbonic acid and NaCl. When the sam...

Q: what can we do to help reduce the amount of pollutants such as CO, SO2, NO2, HCl, NO3 in the atmosph...

A: Introduction: Global warming is the condition that results in an increase in the temperature of the ...

Q: With respect to gene transfer and the integration of thetransferred gene into the recipient genome, ...

A: Part A. Hfr cells are the key cells that are involved in the process of conjugation transfer host ge...

Q: You co-culture the following bacterial strains: an Hfr prototroph and an F- auxotroph for the genes ...

A: Introduction: HFr is a high-frequency recombination bacterial cell whose sex plasmid is attached to ...

Q: Calculate the generation time in a growth experiment in which a medium was inoculated with 5 X 106 c...

A: Generation time is equals to  duration of exponential growth upon number of generation. g= t/n. Gene...

Q: When excess nitrogen and phosphorus from local farms ends up, in river and inlets, what process can ...

A: Nitrogen and phosphorus are the two main primary nutrients in commercial fertilizers and they play k...

Q: * In dogs, a dominant gene (1) determines white coat, and a recessive gene (i) gives colored coat. I...

A: A genetic attribute is one that is passed down through generations. According to Mendelian genetics,...

Q: Where is CSF usually obtained for examination and explain why.

A: Cerebrospinal fluid (CSF) is a clear, colourless bodily fluid found in the tissue that surrounds all...

Q: An infertile female cattle with masculinized behavior and non-functioning ovaries, is known as steri...

A: Note: As per Bartleby Guidelines, For Remaining Answers Please Repost The Question. Introduction: Ca...

Q: Please provide an example of a water-borne disease outbreak. Where did it occur? How many people wer...

A: Answer  Examples of water borne diseases