In flies, long wings (W) are dominant to short wings (w). Two homozygous recessive flies are crossed.

Q: how do organisms without a swim bladder behave?

A: * swim bladder is also called Air bladder and Gas bladder. *Swim bladder is an internal organ which ...

Q: TRUE OR FALSE

A: Puberty is the time when a boy or girl becomes sexually mature. It occurs between ages 10 and 14 for...

Q: 4. Comparative Morphology Data. Using your text and prior knowledge, determine the morphological cha...

A: Characteristics table attached below If character is present mark in "+", and if absent mark in '--'...

Q: ______cannot diffuse across a lipid bilayer. a. Water molecules c. Ions b. Gases d. Nonpolar molecul...

A: A lipid bilayer surrounds the cells.  

Q: If a cell grows on a minimal media and it is made up of phosphate as a source of carbon and energy, ...

A:

Q: What is the primary chemical difference between deoxyribose and ribose? Ribose contains fewer hydrox...

A: ANSWER;- d) Ribose contains more hydroxyl groups than deoxyribose EXPLAIN;- The ring is made of four...

Q: EcoRI 290 bp 3800 bp EcoRI PUC19 PUC19 3400 bp Bgll EcoRI 290 bp EcoRI 1900 bp PUC19 1500 bp

A: A plasmid circular, small, extra chromosomal double stranded DNA (dsDNA). pUC19 plasmid is one the p...

Q: Contrast positive versus negative control of gene expression?

A: Introduction :- Gene expression is the process through which information from a gene is used to crea...

Q: 1. Why do we pass the smear in the open flame of the bunsen burner 3 times? What do we want to achie...

A: 1.sampling usually have the following stages to identify the bacteria. Staining smear preparation H...

Q: Do you think that the advantages of organic agriculture outweigh its disadvantages? Explain. Do you ...

A: 1) Organic farming: This is a method of farming where we avoid the use of chemical fertilizers, pest...

Q: You want to breed an apple tree that produced apples with no seeds, yet keeps the specific apples of...

A: Introduction:- An autopolyploid has an additional set of chromosomes that are identical to the paren...

Q: it

A: Warrier and her collaborator, Jessica Hendy and archaeological scientist at the University of York, ...

Q: 4. How can the different gene interactions be differentiated from each other and from the Mendelian ...

A: Answer:- Mendelian inheritance refers to the expression of monogenic traits, i.e. gene expression is...

Q: How do we know that the lac repressor is a protein?

A: Lac repressor protein is encoded by the lac I gene.

Q: Microvilli of the small intestine play an important role in digestion by doing which of the followin...

A: Introduction: The food must first be broken down into its most basic nutrient parts in order to obta...

Q: WORD FILL INS a) All chordates as embryos have the start of gills- what are these called? ____ pouch...

A: Vertebrates, tunicates, and lancelets are all members of the Chordates (Chordata) family of animals....

Q: A molecule that donates electrons becomes____ , and the one that accepts the electrons becomes_____ ...

A: Redox reaction consist oxidation and reduction reaction. Photosynthesis is an excellent example of r...

Q: What type of risks do genetically modified food potentially pose?

A: Genetic modification is a methodology used in the biotechnology which involves alterations of traits...

Q: In cats, fur color is a sex-linked trait, where black fur is dominant over yellow fur. If a calico f...

A: Genetics is the discipline of science concerned with the study of genes and their transmission from ...

Q: State the role of carbon fixation in photosynthesis

A: To define carbon fixation, we must first define fixation. Fixation, in general, refers to the proces...

Q: How does the swim bladder varies in different aquatic environments?

A: The swim bladder or air bladder is an internal gas filled organ that contributes to the ability to c...

Q: What was Darwin “wrong” about The Tree of Life?

A: The common descent theory, also known as the theory of evolution, is a well-known theory developed b...

Q: Deuterostome animal phylogenetic tree

A: A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary ...

Q: Describe one medical/ethical issue that was raised in your lifetime involving politics. How was poli...

A: In light of the recent pandemic that has created shockwaves globally, disruptions pertaining to the ...

Q: Explain why enzymes are considered "biological catalysts".

A: * All enzymes are proteins but all proteins are not enzymes. *An enzyme will increase the chemical r...

Q: 3. How can one use a pedigree chart to hypothesise how a certain condition is transmitted? Can a ped...

A: Pedigree shows relationship between family members and indicates which individual have certain genet...

Q: How does the body restore normal blood calcium levels during a state of hypocalcemia (low blood calc...

A: Endocrine and exocrine systems are both present in the human body. Endocrine and exocrine systems ar...

Q: 3. Short answer: Why does taking the COVID-19 Vaccine give some people symptoms of disease? (What el...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: Can you please interpret and discuss and mark, this gel electrophoresis results.  DNA ladder sizes:...

A: A molecular-weight/ size marker, also referred to as a DNA ladder, is a set of standards that are us...

Q: Provide a proof that a different phenotype can be produced from the same genotype. What are the pos...

A: The collection of genes that make up a person's genotype is referred to as that person's genotype. I...

Q: What objects are shown with labels : F (back of the throat), A the FLAP between esophagus and larynx...

A: Introduction: The image depicts here the respiratory system of humans that starts with the nasal cha...

Q: 2. Give all possible "GAMETE’ combination before it cross using: а.) ААВВСС b.) XXYYZZ c.) DdEeff

A: Introduction: Law of segregation states that the two factors for a trait, present together in a hete...

Q: Bombay effect.

A: Bombay effect The Bombay blood group, is a rare blood type. This blood phenotype was first discovere...

Q: Which group has evolved a respiratory system where air flows one way through the lungs? O lung fish ...

A: The group that has evolved a respiratory system where air flows one way through the lungs:-  Option...

Q: Why are ethical constraints important in practicing medicine?

A: Ethical constraints It means to work under the accepted norms of society and to behave which is cons...

Q: explain this LAPTM5 restricts HIV-1 and Vpr counteracts the restriction

A:  Lysosomal Protein Transmembrane 5 ( LAPTM-5) help in transportation of of HIV-1 envelope into lysos...

Q: Explain what occurs during glycolysis, the Krebs (citric acid) cycle, and electron transport chain b...

A: GLYCOLYSIS : * It is an  catabolic metabolic pathway which breakdown glucose into 2 molecules of pyr...

Q: Explain how fog forms off the San Francisco coast. For a complete answer, you need to use the follow...

A: The term fog is associated with the cloud that is comparatively closed to ground than to the sky. Fo...

Q: Do all cells contain DNA? Explain your answer.

A:

Q: Continuing his experiments, in Miles Morales' genome, the Goblin found similar genes, including one ...

A: Here we will calculate the chi-square value to determine, whether invisibility is linked to agility,...

Q: There is a strict conditions that should be met before genetic engineering in plant crops could be s...

A: Plant's genetic engineering steps :   Discovering a living organism with a specific gene and harves...

Q: What is the justification for considering gap junctions and plasmodesmata to be functionally similar...

A: Introduction: Plasmodesmata are living cytoplasmic connections between neighboring plant cells which...

Q: Which parameter from the software must you adjust in order to increase the mutation rate in the gene...

A: Gene pool is the sum or variety of total gene diversity in a population, The gene pool increases whe...

Q: how can NATURAL SELECTION affect humans?

A: Evolution is the process by which organisms experience heritable (transferable) changes in their tra...

Q: Why is there a need to classify the great diversity and life?

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: Coding sequences in a post-transcriptionally modified eukaryotic transcript codes for _____. a. Fix...

A: Coding sequence codes for functional protein products. Coding sequence codes for the functional prot...

Q: Effectiveness and significance of cosmopolitan distribution.

A: In biology an organism is said to be cosmopolitan (or cosmopolite) if it can be found almost anywher...

Q: Explain how the three major types of deserts differin their climate and vegetation. Why are desert e...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Why didn't photosynthesis progress earlier in the Archaean?

A: Photosynthesis is the cellular process by which plant use sunlight for sun, water from soil, and Co2...

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.