Answer:
Independent variable: CALCULATOR
dependent variable: SPEED AT SOLVING LONG DIVISION PROBLEMS
controlled variable: SAME GRADES, SAME PROBLEM
Explanation:
Independent variable is the variable that is changed or manipulated by the experimenter in an experiment. In this experiment, the independent variable is the CALCULATOR, which was changed in the experiment.
Dependent variable is the variable that is measured in the experiment. It is the variable that responds to changes made to the independent variable. In this experiment, the dependent variable is the SPEED AT SOLVING LONG DIVISION PROBLEMS.
Controlled variable or constants are variables that are kept unchanged for all groups throughout the experiment. In this experiment, the controlled variables are: SAME GRADES, SAME DIVISION PROBLEM
From what we know, we can confirm that a variation that makes a gene different in some way from other genes for the same characteristics is called a mutation.
<h3>What is a mutation?</h3>
All genes in an organism are coded through a series of nucleotides. Each gene has its own sequence of nucleotides that make it unique. A mutation is a change in this nucleotide sequence caused by either external forces such as <u>UV light</u>, or <u>internal</u> <u>errors</u>.
Therefore, given the definition described, we can confirm that a variation that makes a gene different in some way from other genes for the same characteristics is called a mutation.
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Answer:
The arrangement of thin and thick filaments in myofibril.
Explanation:
Myofibril is defined as the basic rod like structure present in muscle cells. They are made up of long proteins including titin, actin, and myosin, and other proteins are helping them to hold together. The organization of these proteins are thin, and thick filaments which is known as myofilaments.
Thin filaments: Contains the actin protein which is coiled with filament nebulin.
Thick filaments: Contains the myosin protein. It is also known for force generation.
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Mitosis- is a division of one cell; into two identical cells. Meiosis11 mirrors mitosis in every way, except that the chromosomes are not replicated before it begins.
meiosis II is called this because it only involves the division of sister chromatids (haploid) into daughter cells (haploid). Mitosis is cell division in which the nucleus divides into nuclei containing the same number of chromosomes second phase of mitosis, during which the chromosomes line up across the centre of the cell called metaphases
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