The human embryo and the embryos of other animals with backbones have gill slits. According to the moderm evolutionary theory, this best supports the idea: Mark only one oval. That fish are our closest relatives All embryos breathe through their gills All animals with backbones are related by common ancestry All organisms have gill slits at an early stage in their development
Q: What are site-recombinases? Describe in detail how cre- recombinase can be used to decipher the…
A: Genetic recombination is the transfer of genetic material between organisms, resulting in offspring…
Q: Crystal structures exist for three neurokinin-1 (NK1) ligand complexes with the following pdb codes…
A: NK1 is a type of mammalian tachykinin receptors. These are G-protein coupled receptors which are…
Q: The following molecules are lipids. Indicate to which lipid group each belongs.
A: Lipids are the organic substances that are insoluble in water, and soluble in organic solvents like…
Q: 3-phosphoglycerate serves as the precursor of the glycerol backbone during TAG biosynthesis. True…
A: All eukaryotic organisms and even a few prokaryotes are able to synthesize triacylglycerol. The…
Q: Draw the ff. unsaturated fatty acids 1. cis 18:1(49) 18:1;9 w9 2. trans 18:1(49) 18:1;9 w9 3. cis…
A: Note : Hi ! Thank you for the question. We are authorized to answer three subparts at a time. Since…
Q: what is the inhibitor of Acetyl-Co
A: Fatty acid metabolism includes Fatty acid biosynthesis (an anabolic process) and β- oxidation of…
Q: A polypeptide is digested with trypsin, and the resulting segments are sequenced:…
A: Introduction: A number of enzymes catalyze the breakdown of peptide bonds at a specific site in an…
Q: What TYPE of inhibition is observed in the following plot: 1/v₂ Intersect at Y axis 1/Km Competitive…
A: Enzymes can be inhibited , when the substrate and inhibitor compete for the binding to the same…
Q: Briefly discuss the effect of salt, pH and temperature on the action of salivary amylase. Then, list…
A: Salivary amylase breaks down complex carbohydrates into smaller pieces. The activity of salivary…
Q: 2. Girl-student had a cup of sweet tea with the cake after preceding 5-hour break in the food…
A: The metabolic state of the body immediately following a meal is called the absorptive state. The…
Q: how to read this table? like for example, just by looking at the table, it was said that leptin has…
A: Introduction: Separation is brought about through the molecular sieving technique, based on the…
Q: What happens to a person's body when they consume dairy products when they are lactose intolerant?…
A: Introduction: Lactose is a disaccharide containing β-D-galactose and β-D-glucose in β (1,4) linkage.…
Q: The resulting molecule(s) during the investment phase of Glycolysis. The substrate that is not…
A: Introduction: The glycolysis pathway involves a series of ten enzyme-catalyzed reactions that…
Q: Ideal primers for the PCR reaction should have the following feature: they should have a high A-T…
A: Polymerase chain reaction (PCR) is a laboratory technique for rapidly producing (amplifying) large…
Q: D arrangement of localized regions of proteins A. PRIMARY B. SECONDARY
A: The three-dimensional arrangements of atoms in an amino acid chain, that folded up into specific…
Q: What are the application of human genome(not human genome project) into health, biochemistry, and…
A: Human genome comprises of human's nucleic acid sequences that are encoded only in form of DNA. This…
Q: The Hell-Volhard Zelinsky reaction produces a product required for amino acid synthesis. True or…
A: Amino acids are compounds that contain alpha-amino and alpha-carboxylate functional groups together…
Q: Based on the degree of saturation which lipid is a better choice to spread on food, butter or…
A: Saturated fatty acids have no double bonds in them. Unsaturated fatty acids contain one or more…
Q: Please state if the statements are true or false. 1. An l-sugar is a sugar where the -OH in the…
A: Sugar is also called a carbohydrate. Carbohydrates are composed of carbon, hydrogen, and oxygen in…
Q: "Which of the following cell processes depend on the movement of membrane components and would not…
A: Fluidity of the membrare allow it to play many essential functions, in contrast cells with rigid,…
Q: 10 n 0 progress of reaction A graph of the free energy changes that take place during a reaction is…
A: Chemical reactions are classified into two types. Exergonic reactions that take place with the…
Q: How much ATP is produced from 1-stearoyl-2-arachidonyl-3-tridecanoyl glyceride? Show complete…
A: The given triglyceride molecule will be converted to stearic acid, arachidonic acid, tridecanoic…
Q: Km V. (V) 15) + V = [S] max a' = 2 a' = 1.5 (7) -15⁰° max a Vmax 1 [S] MM a'=1 [1]
A: Most of the enzymes have certain kinetic properties. whenever a substrate is added to them, the…
Q: Which of the following is not true? There are two major classes of aminoacyl-tRNA synthetases…
A: Central dogma includes three main processes Replication, Transcription, and Translation.…
Q: what does it mean to be lactose intolerant?
A: Lactose is a natural sugar found in milk and other dairy products such as yoghurt and ice cream…
Q: Which of the following single-stranded DNA sequences is most likely to form a stem-loop structure?…
A: Double-stranded DNA consists of two polynucleotide chains each strand having a phosphodiester…
Q: The graph below shows the O₂-binding curves for myoglobin (Mb) and hemoglobin (Hb). a. 100 80 60 40…
A: Introduction: Oxygen binding is the binding of an oxygen molecule to a specific functional protein…
Q: Which is not belong to the group? a. vitamin d b. k c. e d. a
A: Vitamins are essential macromolecules that help in maintaining the health of individual and provides…
Q: A plot of 1/ versux 1151, called a Lineweaver Burk or double-reciprocal plol, is a useful tool for…
A: Enzymes are proteins that hasten biochemical reactions such that substrate molecules are converted…
Q: Osmosis is water movement across a semipermeable membrane. Which of the following is true about…
A: Osmosis is the type of diffusion that involves the passive movement of water through the…
Q: TRUE OR FALSE 1. Both strands of a daughter DNA molecule are formed through the linking of…
A: The nucleic acid polymer has nucleotide as its monomeric unit. Nucleotides are essential in the…
Q: describe the amines of the carbonyl functional group. Include the difference between primary,…
A: Amines are the organic compounds which have a nitrogen atom with lone pair of electrons. These are…
Q: Palmitoyl CoA is an inhibitor of acetyl CoA carboxylase. Group of answer choices True False
A: A thioester of acyl-CoA is palmitoyl-CoA. It's a "activated" version of palmitic acid that can be…
Q: 6. Succinate dehydrogenase couples the activity of the citric acid cycle with that of the electron…
A: TCA (Tricarboxylic acid cycle) cycle or Krebs cycle is the oxidation part of respiration. And the…
Q: Which of the following stimulates glycogen synthesis?
A: Glycogen is a multibranched polymer of glucose used by mammals, fungi, and bacteria to store energy.…
Q: State whether the gene is up- or down-regulated and briefly explain the reason behind. DNA lacks…
A: Genes are composed of nucleotide bases present in the genetic DNA. A genome is a double-stranded DNA…
Q: How does a cell maintain theright amount of every component(organelles, molecules), and how doesit…
A: Cell organelles and molecules are usually not randomly distributed , they are localized where they…
Q: A. Consider the following fatty acids and the given cellular condition/location. Ï. 24:1A fatty acid…
A: β-oxidation of unsaturated fatty acid undergoes the same process as saturated fatty acid until the…
Q: what will happen if there is an accumulation of acetyl CoA in the liver mitochondria?
A: Acetyl coenzyme A is a thioester between the acyl group carrier, acetic acid, and a thiol that acts…
Q: Which amino acid is classified as neutral and non-polar?
A: Amino acids are building block of proteins. Amino acids make peptide bond between each other to form…
Q: Draw the complete structure of the trinucleotide deoxyribo-oligonucleotide that is complementary to…
A: Nucleotides are building block of DNA and RNA. The given nucleotide chain is 5'dTdGdA3'.
Q: Lipolysis involves the hydrolysis of glycolipids. O True False
A: Lipolysis is the metabolic process that hydrolyzes lipid triglycerides into glycerol and fatty…
Q: ENZYME/PATHWAY 1. phosphofructokinase-1 2. pyruvate dehydrogenase complex 3. Krebs cycle 4. lactic…
A: Introduction Phosphofructokinase 1(PFK1)is a kinase enzyme that phosphorylates fructose…
Q: How many molecules of NADPH are needed to fix 1 molecule of carbon dioxide? Group of answer…
A: Carbon dioxide is fixed during the photosynthesis process. In photosynthesis, the carbon dioxide is…
Q: If metabolites from fats, amino acids and lactate are to be converted to glucose, which of the…
A: Fats or fatty acids are oxidized through the process of beta-oxidation in the mitochondrial matrix.…
Q: Palmitic acid is synthesized from the excess citrate from increased catabolism of glucose that…
A: Palmitic acid is a 16-carbon saturated fatty acid. The biosynthesis of this fatty acid consists of…
Q: How many total moles of ATP are created in a cell with an ATP synthase with 8 c subunits for every…
A: Glucose is broken down into 2 molecules of pyruvate through glycolysis in the cytoplasm. Pyruvate is…
Q: Give examples of laboratory tests in the hospital setting that requires the use of plasma and the…
A: Proteins are a vital component of all life forms. They can be present in several body tissues,…
Q: 2. Girl-student had a cup of sweet tea with the cake after preceding 5-hour break in the food…
A: The absorptive state, or the fed state is the metabolic state that occurs after a meal when the body…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- WRITE ABOUT A THEME: ORGANIZATION Early tetrapodshad a sprawling gait (like that of a lizard): As the right front footmoved forward, the body twisted to the left and the left rib cageand lung were compressed; the reverse occurred with the nextstep. Normal breathing, in which both lungs expand equallywith each breath, was hindered during walking and preventedduring running. In a short essay (100–150 words), explain howthe origin of organisms such as dinosaurs, whose gait allowedthem to move without compressing their lungs, could have ledto emergent propertiesCan someone pleae help with 3 question for my biology homework thank you 1)List two traits that animals share with other organisms, and three traits that are unique to animals. 2)Explain the difference between protostome development and deuterostome development. Use full sentences. 3)As discussed in class, animals are classified into different phyla based on the presence of tissues. Define the two options for animals with true tissues, and give a specific animal phylum as an example of each option.How can biologists explain similar gill pouches in embryos of a chick, human, and cat? O genetic homology developmental homology the inheritance of acquired characters O structural homology
- What conclusion can be drawn from embryological development? Insect and bird wings are similar in function but not in structure. Paleontologists have used fossils to trace the evolution of the modern camel. Many organisms have structures with no apparent function found during embryo development. The presence of gill slits and tails in early vertebrate embryos shows that they may share a common ancestor.In 1798, a stuffed platypus specimen was delivered tothe British Museum. Reports that it laid eggs createdmuch confusion. To modern biologists, a platypus isclearly a mammal. It has fur and the females producemilk. Young animals have typical mammalian teeth thatare replaced by hardened pads of the “bill” as the animalmatures. Why do you think modern biologists can moreeasily accept that a mammal can have some reptileliketraits than scientists who were considering this animal inthe late 1700s?1 page please: Dogfish sharks (Squalus acanthias) represented “primitive” gnathostomes and cats (Felis catus) represented the “derived” state. Was this appropriate? How does the anatomy of a cat reflect humans’ shared ancestry with sharks?
- Homologous structures are evidence that O That the animals probably share a common ancestor O That all animals probably came from each other O That all animals probably share the exact same DNA O That all the animals are unrlatedWRITE ABOUT A THEME: Organization You have seenmany examples of how form fits function at all levels of thebiological hierarchy. However, we can imagine forms thatwould function better than some forms actually found innature. For example, if the wings of a bird were not formedfrom its forelimbs, such a hypothetical bird could fly yet alsohold objects with its forelimbs. In a short essay (100–150words), use the concept of “evolution as tinkering” to explainwhy there are limits to the functionality of forms in nature.You have now studied three different types of anatomical structures. Homologous structures show individual variations on a common anatomical theme. These are seen in organisms that are closely related. 1. Give an example of a homologous structure from this activity: Analogous structures have very different anatomies but similar functions. These are seen in organismsthat are not necessarily closely related but live in similar environments and have similar adaptations. 2. Give an example of an analogous structure from this activity: Vestigial structures are anatomical remnants that were important in the organism's ancestors but are nolonger used in the same way. 3. Give an example of a vestigial structure from this activity:
- Insects have three thoracic (trunk) segments. While researchershave found insect fossils with pairs of wings on all threesegments, modern insects have wings or related structureson only the second and third segment. It turns out thatin modern insects, Hox gene products act to inhibit wingformation on the first segment. The treehopper insect (above)is somewhat of an exception. In addition to having wingson its second segment, the treehopper’s first segment has anornate helmet that resembles a set of thorns, which a recentstudy has found to be a modified, fused pair of “wings.” Thethorn-like structure helps to camouflage the treehopper intree branches, thus reducing its risk of predation. Explain howchanges in gene regulation could have led to the evolution ofsuch a structure.Provide the embryological explanation of Humans have respiratory structures from the gut, for fishes, they're not. Briefly explain what it implies. Please don't just simply answer the meaning of the terms. DO NOT COPY AND PASTE PLEASE, be original with the answer. thanks!Based on phylogeny and history of evolution, do new anatomical features such as lungs (amphibians) arise de novo or came from pre-existing structures of their ancestors (like gills of fish)? Explain.
