sperm

Q: List and explain the known features of Chordates Provide examples of chordates from various…

A: Introduction: All animals are included in the Kingdom Animalia. The animal kingdom is the biggest…

Q: If you wanted PCR to be successful but only had access to a thermolabile DNA polymerase, what would…

A: PCR - Polymerase chain reaction, is a process where DNA copies are amplified by a cyclic chain…

Q: 4. There are two principles underlying gel electrophoresis: charge, and the use of a gel matrix.…

A: As per our guidelines we are supposed to answer only ? One question ( if there are multiple…

Q: The difference in charge and chemical concentration across a membrane is known as

A: Gradient across membrane:- it represents the movement of molecules or ions across the membrane. It…

Q: Relate the process of genetic drift to genetic bottlenecks and the founder effect, using examples.

A: Evolution is the gradual shift in the inherited traits of natural populations over many generations.…

Q: The difference in charge and chemical concentration across a membrane is known as Membrane gradient…

A: Electrochemical gradient is The gradient is made up of two components: an electrical gradient and a…

Q: Malathion is an insecticide commonly used in the horticultural industry. Many homeowners apply this…

A: Introduction:- Insecticides are the chemical substances which are used for killing various types of…

Q: This type of cell transport requires energy (ATP) and moves substances from low to high…

A: Active Transport When a solute moves in accordance with osmotic , concentration or the electrical…

Q: What will be the phenotypic ratio of the offspring of a purebreed male fly with eosin eyes (CCXw-eY)…

A: A phenotypic ratio is a quantifiable relationship between phenotypes that shows how often the…

Q: Which of the following is true of mitchondria and plastid evolution in Eukaryotes Plastids evolved…

A: Mitochondria A organelle of eukaryotic cell that performs the function of respiration.

Q: 1. Using the hereunder template, enumerate the different digestive enzymes: Enzyme Category Enzyme…

A: All the digestive enzymes are classified as hydrolases because they breakdown large and complex food…

Q: Amylose Amylopectin

A: Introduction  The most prevalent carbohydrates in food are called polysaccharides, or…

Q: In a particular animal, coat color is under the control of two interacting genes. Each gene has a…

A: Introduction:- Genotype is defined as the genetic constitution of an individual organism that…

Q: What is the main difference between allopatric and sympatric speciation?

A: Speciation is a process in which origin  of new species takes place in a population depending on a…

Q: What factors must be present for allopatric speciation to occur?

A: speciation is the process of evolution in which new, different species are formed. A single…

Q: In mice, genes R and T are 30 m.u. apart. If a mouse with genotype Rt/rT is crossed with a mouse…

A: Linked gene  When two different gene located on the same chromosome then it is said they are linked.

Q: F₁ generation 1. Parents with the following genotypes were crossed: RR x rr 2. Make a Punnett Square…

A: One of Gregor Mendel's great discoveries was the Principle Of Dominance. He noted that when he…

Q: This type of cell transport happens during secretion of hormones, neurotransmitters and digestive…

A:

Q: A. Let us see if you can help Draky, who traveled from home to his work using bicycle, but has been…

A: Introduction  An individual's blood is categorised according to their blood type based on the…

Q: The girl is focusing a slide and she is turning the coarse adjustment knob up toward the slide.  A.…

A: An optical microscope has the following parts:- A stage for placing the slide A set of objective…

Q: Please answer fast Question #1: Use answers A-L to answer questions 1-6 below. They can be used…

A: Hydrogen bonds are a main characteristic of protein shape. By a usually usual definition, they…

Q: Discuss at least three methods of DNA extraction and summarize each methods using a schematic…

A: DNA extraction is a technique to separate DNA from cell membranes, proteins, and other biological…

Q: 70203 52000 CHIRAGRA SPIDER CONCH Harpago chiragra Linnaeus 1758 49+0

A: Introduction Characteristics of Mollusca are- 1. They are triploblastic. 2. They are bilaterally…

Q: Study the diagrams below. The diagrams represent four possible phylogenetic trees showing the…

A: Principle of parsimony: The principle of parsimony is made use of when we need to determine which…

Q: If the DNA was replicated using the dispersive model, what would you have expected to observe in the…

A: 3 theories for DNA replication Conservative: According to this theory, the parent molecule is re…

Q: Link each term with the correct definition.

A: Evolution is the gradual change in the inherited traits of natural populations over many…

Q: Which of these options is NOT an example of a hypothesis that supports the occurrence of ecological…

A: The manner in which the way of means of  in which new species turn out to be an end result of…

Q: Which pair of amino acids is charged, polar, and has an amino group on its side chain? a)K, R b)N,…

A: Amino acids:- it is usually acts as building block of peptides and proteins. But, a lot of amino…

Q: Humans homozygous for the sickle cell allele have sickle cell anemia.  A human that is heterozygous…

A: Sickle cell anemia  It is a genetic disease in which the shape of blood become sickle shaped and…

Q: 4. What are some of the limitations of karyotyping? 5. Define trisomy. Define monosomy. 6. Define…

A: Genetics involves inheritance, characteristics, DNA, genes, proteins, and chromosomes. Everyone…

Q: Which is made in the reproductive organs?

A: Reproduction is the process by which new individual organisms are produced. Organisms of the same…

Q: L. BOT2 and Etosha45 populations are on the same branch of the phylogenetic tree. Why do you think…

A: Phylogenetic trees represent evolutionary linkage between organisms represented in a tree form that…

Q: Why do water-dwelling animals have thicker bones than land-dwelling animals?

A: Bones are the organs of support and form the part of skeletal system. These maintain the body shape…

Q: cientists used a Rat6-Raf transformed cell line for the anchorage-independent growth control…

A: The Rat6-Raf cell line is a transformed cell line that contains an activated form of Raf. In this…

Q: Developing morbid obesity seems to require that individuals have a biological predisposition to gain…

A: Obesity can be transferred by gene from one generation to another generation. There have such genes…

Q: The body/mass index (BMI) uses ____ to assess weight range. a. Waist circumference b. Height and…

A: Body mass index (BMI) measures body size. It is determined by knowing the weight in kilograms and…

Q: The anterior pituitary releases tropic hormones. The role of these hormones is ... to receive…

A: Tropic hormones are hormones that have other endocrine glands as their target. Most tropic hormones…

Q: Unlike natural selection, is not related to an individual’s ability to survive and may result in…

A: Natural selection is the variation in individual survival and procreation brought on by phenotypic…

Q: Which of the following helped to lay the groundwork for understanding the record of historical…

A: The Earth was created by deposition from the solar nebula approximately 4.54 billion years ago,…

Q: in which way do cells use glucose during the production of ATP

A: The ability to accomplish work is defined as energy. While there are many different types of energy,…

Q: Based on the a graph, why did the number of wolves increase?

A: Population The similar type of species living together in an ecosystem and can breed is known as…

Q: Please answer all the questions A Half-life of a hormone is a.the length of time it takes to…

A: The study of chemical reactions that take place within and relate to live beings is known as…

Q: Changes to the nucleotide sequence in the primary transcript (pre-mRNA) may lead to an error in…

A: * Transcription is the process in which mRNA will be made from DNA . *The end product of…

Q: Lipoproteins like LDL and HDL transport lipids and proteins through the blood stream. Receptors on…

A: Lipoproteins like LDL (low density lipoprotein) and HDL (high density lipoprotein) are transported…

Q: What is the role of the mannose-6-phosphate (M6P) group? • What happens when M6P cannot be…

A: Mannose-6-phosphate is a molecule bound by lectin in the immune system. M6P is converted to fructose…

Q: Explain the metabolic processes in cyanobacteria (glycolysis, krebs cycle, electron transport chain…

A: Cyanobacteria are bacteria that are able to photosynthesize. They are an important group of…

Q: What is the function of gRNA in CRISPR-Cas technologies?It cuts DNA at a targeted sequence and…

A: Introduction There are two types of nucleic acids present in our cell, DNA and RNA. DNA acts as a…

Q: In which portions of the upright test tube do Paramecium tend to aggregate. Explain. What is…

A: Single-celled protists known as paramecium or paramecia can be found in watery areas in the wild.…

Q: QUESTION7 Tine has type O blood and her sister Rose hes type All blood. What are the blood genotypes…

A: Introduction There are four different types of blood groups are found in human. Blood group A, B, AB…

Q: Compare/contrast extracellular matrix with basal lamina / basement membrane• What functions do they…

A: A tissue is a collection of nearby cells that are arranged to carry out one or more particular jobs.…

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.