Q: A silent mutation is a mutation in which: a. one nucleotide in a codon is changed, but the codon spe...
A: Mutations are a sudden change in the nucleotide sequence of a gene that alters the amino acids and p...
Q: A layer of Rhoeo discolor was placed on a glass slide with a drop of a .solution. Out of the 30 cell...
A: Introduction Osmoregulation is the important phenomenon in which cells/organisms maintains salts an...
Q: long wingspa
A: In many bird species, guys sport splendid tones and in some cases long quills, as a component of dra...
Q: Which of the following will bind (directly or indirectly) to the phosphate groups on a tyrosine kina...
A: Signal transduction occurs in the cell in order to mediate the signalling in the body to carry out t...
Q: O there are always more than two alleles for a given character in a population O the heterozygote is...
A: Codominance It is the mechanism of dominance seen in some alleles where both the alleles of a gene ...
Q: What determines the maximum rate of Action Potential firing?
A: There is a time gap in which nerve impulses do not fire.
Q: Human males produce
A: Answer - Human males have the genotype of XY and the reproductive cells undergo meiosis to form gam...
Q: The allergic response is caused by ___ that secrete large amounts of allergens bind to , --- when OM...
A: Given: The allergic response is caused.
Q: Na+, K+, and Ca2+ curr
A: Driving force refers to the difference between the actual membrane potential and an ion's equilibriu...
Q: Summarize the process in which the sodium-potassium pump transports solutes across the plasma membra...
A: Active transport is the process that requires energy for pumping of molecules and ions across membr...
Q: Some cells with very negative resting membrane potentials, like -80 mV, express an the inward rectif...
A: The cell membrane separates the interior and the exterior of the cell. It is also called the Plasma ...
Q: UU nol use oxygen. Fermenting organisms do not use oxygen. B. Krebs cycle completes the metabolic br...
A: 1 ) Aerobic organism do not use oxygen . Answer ) false . They can only survive in the presence of ...
Q: Briefly describe the ethylene detection system of plants. View keyboard shortcuts
A: Ethylene is a plant gaseous hormone which causes growth of plants, fruit ripening, seed germination,...
Q: Which hominin started the use of stone tools? Group of answer choices a.Homo sapiens b.Homo erectis...
A: Hominins started using stone tools near about 2.6 million years ago. The stone age began when human...
Q: Which of the following is a conclusion Thomas Malthus made that influenced Charles Darwin's thoughts...
A: Thomas Malthus stated that the species can populate to any extent but the resources on the earth are...
Q: Microevolution is: a. A change in the number of linked genes b. A change in the allele frequency of ...
A: Microevolution is the change in allele frequency of a gene in a population.These are changes occurin...
Q: Name the bacterial enzyme that takes over new strand synthesis in replication after the primer is fo...
A: INTRODUCTION Polymerase lll This is a holoenzyme that helps in prokaryotic DNA replication.
Q: What is Pectobacterium carotovorum and its subspecies?
A: Pectobacterium carotovorum is a Pectobacteriaceae bacterium that was formerly classified as a specie...
Q: Which choice represents a dihybrid cross? Select one: IAIB x ii O a. O b. RRYY x RIYY O c. Sb x sB
A: Dihybrid cross is a cross between two organisms with both being heterozygous for two different trait...
Q: 0.175mm e O In the DNA extraction experiment, the separation of DNA from its packaging protein can b...
A: Introduction DNA is crucial biomolecule which serves as genetic material in most of the living orga...
Q: Give the functions of the following: midrib, veins and veinlets
A: The vein that runs along the middle of the lamina is called midrib. Midrib divides the surface of th...
Q: In what chronological order did the following traits evolve? a) First the mesoderm, second the notoc...
A: The correct option is C First the amnion, second the mesoderm, third the notochord and fourth calciu...
Q: You perform a cross between a parent with the genotype WWiiNNttEErr and another parent that is wwlln...
A: Few important terms : Linked gene -It is defined as when two or more genes reside on the same chrom...
Q: Enzymes exhibit substrate specificity (there are no general enzymes). The specificity is due to:
A: The enzyme active site
Q: Why do we need to reduce our ploidy level in certain cells
A: meiosis is the type of cell division which reduces the chromosome number by half, and it is called ...
Q: Which of the following is true regarding kinesin 4? O it is located on chromosomes that are not atta...
A: Kinesin 4 is found in the nucleus during the interphase and is bound to chromosome during mitosis. I...
Q: A codon is: a. a series of consecutive genes b. three nucleotides that specify an amino acid C. the ...
A: Given: A codon is.
Q: In barley, a self-fertilizing species that can be crossed fertilized, two true-breeding strains with...
A: Option(B) is correct answer. Reciprocal cross is done where different parental types are used both a...
Q: 16 After 1850, dark-colored peppered moths became more abundant than lighter-colored peppered moths....
A: The case study of peppered moth is an example of natural selection. It is known as industrial melani...
Q: Which of the following statements is TRUE of highly repetitive sequences? O They can be found millio...
A: ANSWER;- a)They can be found millions of times in a eukaryotic genome. Explain;- DNA sequences th...
Q: his area of the chromosome iIS 5%.
A: Introduction Linkage disequilibrium (LD) is the nonrandom relationship of alleles of various loci. ...
Q: Natural selection leads to changes in allele frequencies because some survive and reproduce more suc...
A: The correct option is b individual’s Microevolution (changes in allele frequencies) can occur as a r...
Q: Which of the following is incorrect? a) Chemoheterotrophs obtain their energy from an organic compou...
A: Heterotrophic organisms are those that are unable to prepare their own food due to the absence of ch...
Q: Which describes an enzymatic activity/biochemical function of importin-beta? facilitate releas...
A: Importin beta mediates the transport between nucleus and cytoplasm. Importin alpha is an adaptor pro...
Q: Bonds between like/similar atoms (e.g. as in H2) are always: a. polar covalent bonds b. ionic bonds ...
A: The correct option is d no polar covalent bond
Q: Restriction enzymes bind to specific sequences of DNA to seal them together. True False
A: Restriction enzymes bind to speffic sequence of DNA seal them together. This is TRUE. Restriction en...
Q: Does the gut extend into the tail?
A: 1. The gut is also called as gastrointestinal tract is the long tube that starts at the mouth and e...
Q: The continued evolutionary exaggeration, across generations, of a sexual display trait (e.g., a trai...
A: Stabilizing Fecundity Selection is the correct option.
Q: A. Simple columnar B. Simple columnar with C. Simple D. Stratified cuboidal squamous goblet cells 1....
A: Cell organelles are the building blocks of a cell. They are useful for conducting various cell tasks...
Q: What is the difference between systems and reductionist approach in ecology?
A: Ecology is the study of relationship between the organism /animals and the environment in which the...
Q: ) Describe the changes seen in the RuBP levels over the time of the experiment, VWhy does the RUBP l...
A: Photorespiration starts when rubisco acts on oxygen instead of carbon dioxide. rubisco is a key enzy...
Q: In drosophila, a recessive mutation (m-) of a maternal effect gene results in an abnormal phenotype...
A: Alleles are the alternative forms of a gene, that can occupies the same locus of a homologous chromo...
Q: Which of the following can help explain how continuous variation in a trait can arise from underlyin...
A: Multiple loci and the environment can affect expression of a trait.
Q: How could changes in the DNA in a single gene in an organism ultimately lead to changes in an ecosys...
A: A mutation is a permanent and heritable change in the genetic information of a living organism. Th...
Q: A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he ...
A: The correct option is C 75%,50% the given disorder is an example of an autosomal dominant disorder.A...
Q: Which is not required for a behavioural trait to evolve by natural selection? An individual's reprod...
A: (C) is the correct answer. We don't inherit behavior or personality, we inherit genes. Conditions ...
Q: A population bottleneck is an example of... Group of answer choices a.genetic drift b.natural selec...
A: ANSWER;- a) Genetic drift Explain;- The bottleneck impact is an extreme example of genetic float th...
Q: 7-month-old King is at an outdoor concert with his parents. It starts to get very noisy, and he is f...
A: Baby is learning to soothe himself to sleep, in this example by sucking on the blanket, which is a s...
Q: Question 21 (1 point) Which statement accurately describes bile? it causes the breakdown of dietary ...
A: Answer of the question given below...
Q: . Which of the following antibiotics has the MOST toxicity a. Novobiocin b. Sulfanamide c. Vancomyc...
A: Tetracycline is a type of antibiotic that is used to treat a range of infections, including acne. It...
In this image, are the pink stianed bacterial streptobacillus? diplobacillus? or staphylobacillus? why
Step by step
Solved in 2 steps