The percentage of time spent at different physical activity intensities is the same for boys and girls. Group of answer choices True False

Q: What gene sequences are selected during DNA barcoding?

A: DNA barcoding is a taxonomic technique which identifies at the species level by using a brief…

Q: Compare and contrast the acquisition and transport of water and nutrients in plants with the…

A: Introduction Nutrition is a process through which an organism acquire food necessary to generate…

Q: Match the shorter sequence relative to the longer one.  Note: Observe Chargaff's rule of base…

A: The DNA or deoxyribonucleic acid is the genetic material in living organisms that is composed of…

Q: A male fruit fly, heterozygous for both vestigial wings and ebony body, is crossed with a female…

A: Introduction An expression of a trait, which could be morphological, behavioral, molecular, etc., is…

Q: In the garden shed belonging to one of this text’s authors, stabilizing selection has occurred over…

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

Q: List the Five Kingdoms and give the distinguishing features of each kingdom, which ones are…

A: The living organisms are classified into different kingdoms based on there characteristics.…

Q: 3. In the absence of the channel of straight connection the activity of a contour of biological…

A: Regulation  In biology, regulation means to control the process that take place inside an organism.

Q: Explain giving reasons the bending of the shoot tip of a plant towards light source coming from one…

A: Plants require sunlight, water, oxygen, and minerals to grow and develop. These are external…

Q: Propose an adaptive significance for the large number of gametes produced and released by sea…

A: Introduction: Any of the around 950 existing species of sea urchins (phylum Echinodermata, class…

Q: 1. Why do you need to keep your sample on ice during the sonication steps?

A: According to the answering guidelines I'm going to answer 1st question only. Please post the 2nd…

Q: What is the classification of onion cell according to cell type? Justify.

A: Introduction :  The leaves that have been modified become onions. The starch granules formed from…

Q: How do organisms with less complex systems such as those in protozoans are able to respond to…

A: Introduction Stimuli are detectable change in the internal or external environment.  which causes a…

Q: Antibiotics are medicines that are used to fight bacterial infections. These medicines kill…

A: The prokaryotic cells are considered to be ancestors of the eukaryotic. The prokaryotic cell nucleus…

Q: Three risk factors of cancer.

A: Introduction  A group of diseases known as cancer involve abnormal cell proliferation and have the…

Q: What account for the reduction of levels of soluble carbohydrate and nitrogen of vegetation and…

A: As cattle production rises in America, Africa, and Asia1, grassland lands are becoming more crucial…

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: Estimate the chronic daily intake of 1,1,1-trichloroethane from exposure to a city water supply that…

A:

Q: Which of the following is not an example of artificial selection? (a) Your younger sibling got a…

A: Artificial selection is performed by humans. They try to breed the animals or plants in captivity,…

Q: Which of the following would be a properly identified and acceptable specimen? 1. needle biopsy…

A: The properly identified and acceptable specimen may include:  needle biopsy with patient's medical…

Q: 6. a. What is a disulfide bridge? b. Draw a box around the disulfide bridge in oxytocin, if present,…

A: We are allowed to do upto three subpart of a question. Please repost the undone questions again or…

Q: What is the systems that depend on vesicular transport

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

Q: One of your classmates performed a gram stain on Pseudomonas aeruginosa and found variable gram…

A: The "cell wall of Gram-positive" bacteria is mostly composed of peptidoglycan layers that form a…

Q: List and briefly explain at least three examples of pseudoscience that are related to or attempt to…

A: Pseudoscience It involves claims made by ideas, practises, or declarations that they are true and…

Q: Answer exhaustively, why are the protein receptors on the egg cell particularly important among…

A: Introduction :- A male organism's sperm fertilises a female organism's egg outside of the female's…

Q: If you are trying to set up a PCR with a total volume of 40uL and you have access to a stock…

A: Inroduction DNA replication occurs in our body. But PCR or polymerase chain reaction  is a…

Q: What is the general composition of lysosomes? How are they formed? How do they obtain low pH? Why is…

A: Lysosomes are cell organelles found in the eukaryotic cells of animals. In plants, these are very…

Q: What is the function of NEU?

A: An oncogene is a mutated gene with the ability to cause cancer.

Q: In a monohybrid cross, which of the following can result in the heterozygote displaying a different…

A: Everyone wonders why brothers and sisters look so similar to one another. This is when heredity…

Q: Compare and contrast the operation of Optical microscopy and TEM in terms of Depth of field

A: Microbes are tiny organism which cannot be seen as such through naked eyes. So , they need special…

Q: Place sequences a, b and c into the correct order based on start and stop codons. Sequence A…

A: Introduction  Codons are units of genomic information made up of three nucleotides (trinucleotides)…

Q: The _____ direct the cells' growth and

A: Answer is Nucleus It is involved in directing the cell towards growth and reproduction. It is a…

Q: 3) In the human brain, an estimated average rate of 250,000 nerve cells are produced each minute…

A: Brains are constructed on a solid foundation, just like a home. This begins before birth and is…

Q: Describe the properties of the cell membrane, how it works, and why it is essential for the cell.

A: The cytoplasm of a cell is encased by the multilayered membrane known as the cell membrane. Along…

Q: What are the symptoms, cause, treatment, complications, impact of the life style of Gallstones…

A: Gallstones disorder:- it is disorder of gall bladder in which stone formed, hence it's name…

Q: What are the characteristics of a high-quality DNA extract? What do you do to determine the quality…

A: DNA extraction is a protocol used for the isolation and purification of DNA from biological samples…

Q: What is meant by the term “intermediate fossil” when referring to the fossil record?

A: A fossil record is the history of life that is documented by fossils. An intermediate fossil is also…

Q: Second messengers are molecules that relay signals received at receptors on the cell surface to…

A: Introduction :  The second messenger or intracellular hormonal mediator that carries information to…

Q: 1. You accidentally used safranin as the primary stain and malachite green as the counter stain…

A: A stain is a chemical substance used in the laboratory to add color to the cell. This is used for…

Q: Which species is/are allopatric with E. lucunter?

A: The mechanism through which populations develop into different species is known as speciation. In…

Q: Name the physiological systems used to control the function of physically distant organs/tissues?…

A: Physiological system It is the system of our body that performs the major work like digestion,…

Q: The endplate potential is produced by ) too spread Na* channels simultaneous flow of Na* and K ions…

A: End plate potentials (EPPs) can be explained as the voltages which cause depolarization of the…

Q: In the late 1900s, two populations of bubble guppies became isolated from each other when a tsunami…

A: Introduction :- Temporal isolation happens when two populations reproduce in distinct seasons or at…

Q: How is convergent evolution different from evolution by common descent?

A: When there is a change in some traits or characters over many generations in an individual and this…

Q: development of the genetically engineered foods (genetically modified organism or GMOs)? Find…

A: Genetically modified organisms are organisms in which the genetic material has been altered in a way…

Q: (1) What does BLAST stand for? Explain the function of BLAST.

A: Information about bioinformatics is derived through computer analyses of biological data. In…

Q: 9. Explain how sweating when hot OR shivering when cold are examples of a negative feedback system…

A: Positive feedback occurs to increase the change or output: the result of a reaction is amplified to…

Q: Link each term with the correct definition.

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

Q: Explain how plants make organic molecules. Include the terms CO2, H2O, photosynthesis, sugar, and…

A: Plant synthesized organic molecule Glucose by using CO2, H2O & sunlight through the process of…

Q: In the CNS which ones are the most common morphological synapse types active during synaptic…

A: The Neurons in the CNS receive thousands of synaptic inputs from other neurons. This information…

Q: This molecule is most likely implicated in the renaturation of proteins. Select one: a. chaperone…

A: It refers to the process of refolding a protein structure. Renaturation is the opposite of Protein…