Answer:
512
Explanation:
2x2 4x2 8x2 16x2 exc, exc
PLZ QUICK!! WILL MARK BRAINLIEST!!
Which statement is accurate?
A) A gene consists of two traits.
B) An allele is one form of a gene.
C) Most alleles have many genes.
D) An allele is made up of two genes.
Answer:
the answer to this question would be D) An allele is made up of two genes.
What is the equation for calculating the change in water potential? In other words, this equation allows you to determine which way the water will move in response to two different concentrations.
Answer:
The correct answer is - Ψ = ΨS + ΨP.
Explanation:
The movement of the water in a solution where is two different concentrations present can be determined by measuring the water potential (Ψ).
Water potential (Ψ) can be determined by the equation that depends on these two factors osmotic potential represent by ΨS and pressure potential represent by ΨP.
Ψ = ΨS + ΨP.
Trilobites were animals that lived in the ocean between
520 million and 540 million years ago. A trilobite fossil can
be used as an index fossil
I’m assuming that this isn’t a true or false question. If so it’s true.
A: None of the potential offspring would be male, because the potentially male zygote would have two X chromosomes, and the Y chromosome would be ignored.
B: The male offspring would all be red-green color-blind, because of interference from alleles on the Y chromosome.
C: The male offspring would have full-color vision, because of the presence of the extra X chromosome
D: There would be no change to the phenotypes of the possible offspring, because the extra X chromosome would not be active.
Answer: C the male offspring would all be red-green color-blind, because of interference from alleles on the Y chromosomes
Explanation: College board got it correct
The male offspring would all be red-green colour-blind, because of interference from alleles on the Y chromosome. Hence, option B is correct.
What is colour blindness?a diminished capacity to tell some colors apart. Frequently, the condition is hereditary. Medications and specific eye conditions are additional factors. Men are affected more than women.
Inherited color blindness is not treatable. Treating the underlying issue may be helpful if another condition is the cause of color blindness.
The X chromosome is where the genes that might cause red-green color blindness is handed down. Men are more likely than women to have red-green color blindness since it is X-chromosome-inherited. This is due to the fact that males inherit just one X chromosome from their mothers. Hence, option B is correct.
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Construct the electron dot diagram for chlorine. You have completed this exercise. Step 1: Use the periodic table to find the chemical symbol for chlorine. The symbol for chlorine is: Civ Step 2: How many valence electrons does chlorine have? Step 3: Add dots one by one around the chemical symbol to represent valence electrons. Start at the top and move clockwise around the symbol. •CT: Nice work! You have created the electron dot formula for chlorine. Intro ) Final
Answer:
1. Cl
2. 7 valence electrons
3. u did it right
Good job
The chemical symbol for chlorine is Cl. There are seven valence electrons present in chlorine.
What are valence electrons?
Valence electrons are electrons in an atom's outermost shell, or energy level. For example, oxygen contains six valence electrons, two of which are in the 2s subshell and four of which are in the 2p subshell.
The chemical symbol of the element (as found on the periodic table) is written in the Lewis symbol for an atom, and the valence electrons are depicted as dots encircling it.
The number of electrons in an atom's outermost shell is referred to as its valence electrons. The final shell of the chlorine atom now has 7 electrons. As a result, a chlorine atom contains 7 valence electrons.
Therefore, Cl is the chemical symbol for chlorine. In chlorine, there are seven valence electrons.
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What would likely have happened to Earth if no icy debris had arrived?
OA.
It would still have oceans but no atmospheric water.
B.
It would still have atmospheric water but no oceans.
Oc.
It would have no oceans or atmospheric water.
D.
It would have traces of water beneath its surface.
OE.
It would have released water in volcanic outgassing.
Answer:
The answer is E. It would have released water in volcanic outgassing.
How do enzymes reduce the amount of activation energy needed to make a chemical reaction go?
Answer:
Enzymes reduce the amount of activation energy needed by breaking substrate molecules
Explanation:
Enzymes break down substrate molecules to lower the amount of activation energy required.
What is activation energy?The least amount of energy necessary to bring atoms or molecules into a state where they may cause chemical transformation or physical transport is known as the activation energy in chemistry.
The differential of energy content between atoms or molecules in an active or transition-state configuration and the same atoms and molecules in their original configuration is known as the activation energy in transition-state theory. In mathematical formulas for values like the reaction rate constant, the activation energy is typically denoted by the symbol Ea.
Experimental rate constants or diffusion coefficients that are determined at various temperatures are used to calculate activation energies.
Therefore, Enzymes break down substrate molecules to lower the amount of activation energy required.
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Investigator Sheer is testifying about DNA evidence she found at the crime scene that matches the suspect on trial. The prosecutor asks Investigator Sheer to explain her conclusion that the DNA samples matched.
What would be a good explanation for her to give to the jury?
That at least 10 different points on the two samples matched
That the DNA profile matches someone with the suspect's hair color and skin tone
That she found one point that matched on the two DNA samples
That the DNA samples showed no clear points in common
Answer:
That at least 10 different points on the two samples matched
Explanation:
I would say this because it seems like the most reliable way to explain her conclusion that the DNA samples match.
What are the tiny blood vessels that are in contact with the cells of the body? | (5 Points)
Answer:
Capillaries
Explanation:
What is the genotype (genes) ratio for this probability outcome for the offspring?
Answer:2:2
Explanation:
PLEASE HELP///3. Heather had a color blindness test, and she was surprised to discover she suffered from red-green colorblindness. She told her biology teacher, who said, “Your father is color-blind too, right?” How did her teacher know this? Why did her teacher not say the same thing to the color-blind males in the class?
Answer:
In order for a woman to have the colorblind trait, they need to be X^cX^c, meaning that they have to get the trait from both their parents. Males can either have X^cY or X^CY and since Heather has it, it is definitive that her father had X^cY, which means that he is colorblind. Males in her class, on the other hand, can get it from either their mother or father.
Explanation:
Hope this makes sense!!
Purchasing through a mobile phone is called .
m commerce
data encryption
secure server
global distribution
e commerce
Answer:
e commence is the right and ILY answer in the ptions
3.
A behavioral adaptation when an animal becomes inactive in the winter is _____.
camouflage
migration
sleeping
hibernation
1)
2)
3)
4)
That’s all I need I’m typing so I can get more characters so I can post this
Is tetracycline selectively toxic?
what's DNA is copied and cell prepares to divide phrase
Answer:
Mitosis is the process in which a eukaryotic cell nucleus splits in two, division of the parent cell into two daughter cells. The word "mitosis" means "threads," and it refers to the threadlike appearance of chromosomes as the cell prepares to divide.
Make a list of the energy carriers involved in the Krebs cycle. Include their names before and after they accept the electrons.
Which functions are carried out by the water vascular system? Check all that apply.
movement
reproduction
respiration
transportation of food
transportation of water
Answer:
respiration, movement, transportation of water
Explanation:
Answer:
Movement, respiration, transportation of food, and transportation of water.
Explanation:
this is correct on edge :)
What structure is found only in eucaryotic cells
Answer:
only eucaryotic have a nucleus and membrane-bound structures called organelles.
Explanation:
Ammonia oxidizing bacteria utilize ammonia as an electron source and use oxygen as a terminal electron acceptor. In this form of aerobic respiration, the ammonia is getting _____.
Answer:
oxidized
Explanation:
Oxidation is defined as a loss of electrons, increase in oxidation number, the addition of oxygen, or the removal of nitrogen. On the other hand, the reduction is defined as the gain of electrons, decrease in oxidation number, the removal of oxygen, or the addition of hydrogen.
Ammonia being utilized as an electron source means that the compound is an electron donor in the redox reaction while oxygen is acting as an electron acceptor. Hence, in this form of respiration, ammonia is getting oxidized while oxygen is getting reduced.
What type of macromolecules are involved in carrying out the process of DNA replication?
O A. Carbohydrates
O B. Nucleic Acids
O C. Lipids
O D. Proteins
the Hawaiian Islands are a bunch of volcanoes formed as a result of a(an)
What is the main factor that causes bedrock to weather at different rates?
1. Elevation above sea level
2. Mineral composition
3. Age of rock layers
4. Environmental factors
Answer:
2. Mineral composition
Explanation:
Weathering can be defined as the physical and chemical breakdown of rock into smaller pieces called sediment. Weathering can be classified into two categories namely;
I. Physical weathering : it is the process of breaking rocks into pieces without affecting its chemical composition e.g temperature, abrasion and frost action.
II. Chemical weathering : it is the process of breaking rocks into pieces by chemical action which leads to changes in its chemical composition e.g carbonation, hydration, plant acid and oxidation.
Minerals is any form of naturally occurring, inorganic solid substance characterized by a crystal structure. Also, minerals are homogeneous in nature with a defined chemical composition and characterized by a crystal structure comprising of ions, atoms, or molecules in an orderly arrangement.
Hence, mineral composition is the main factor that causes bedrock to weather at different rates.
Ecosystem
Organism
Biome
Biosphere
Abiotic
Biotic
Community
.
1. Living part of the environment _____
2 Collection of abiotic and biotic factors in an environment______
3. A single living thing that can breed/produce fertile offspring______
4. Ecosystem with same climate and similar communities______
5 Individuals of the same species that live in the same area______
6. Earth with all the ecosystems_____
7 Different interacting populations that live together in an area______
8. Nonliving part of the environment______
Answer:
1 organism
8 abiotic
this is the answers I know
The Punnett square below shows the genotypes of Amelia's parents. R alpha If R represents the dominant gene for straight hair and r represents the recessive gene for curly hair , which statement best explains how Amelia was born with curly hair ?
Answer:
She received 2 recessive genes
Explanation:
Hope this helps
The composition of ocean water can change.
True
False
Ocean Composition can change only if wastes, or substances are introduced into it.
Ocean Composition change?Ocean Composition cannot change because it already contain the fixed amount of constituents in it.
It can change also if some particles or substances are introduced into it.
Ocean refer to water that have more concentration of salt. It is also called seawater and it contain mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of some substances such as particles, gases, dissolved organic and inorganic substances.
Therefore, Ocean Composition cannot change because it already contain the fixed amount of constituents in it.
It can change also if some particles or substances are introduced into it.
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what happens when oceanic crust collides with continental crust at plate boundary
Explanation:
When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. The entire region is known as a subduction zone. Subduction zones have a lot of intense earthquakes and volcanic eruptions.
The kernel color in wheat is a continuous trait determined by two additive genes, each with two alleles, that equally contribute to kernel color determination. The red kernels are determined by two genes and two dominant alleles (R1R1R2R2), and white kernels are determined by two recessive alleles at the same two genes (r1r1r2r2). The duplicate dominant alleles R1 and R2 contribute equally to kernel color and cumulatively control the intensity of the red kernel phenotype. Both these alleles are dominant over the recessive white alleles r1 and r2.
1. A true breeding red plant and true breeding white plant are crossed, and the resulting F1 progeny are selfed. What is the expected phenotypic ratio of the kernel progeny of the F2 offspring?
a. 1:46:4:1.
b. 3:1
c. 9:3:3:1.
d. 27:9:9:9:3:3:3.
2. Determine which statement best describes the relationship between the phenotypes of the R1R1 R2r2 and R1r1 R2R2 genotypes.
A. The phenotype of the R1R1 R2r2 will be darker than the phenotype of R1r1 R2R2 because the alleles R1R1 R2r2 Rn have a stronger additive effect than those in R1r1 R2R2.
B. There is no way to predict the expected phenotype color from the genotypes because the trait is continuous and indiscrete.
C. The phenotypes of the R1R1 R2r2 and R1r1 R2R2 genotypes will be the same because the same number of dominant and recessive alleles are contributing in each genotype.
D. The genotype of the R1R1 R2r2 will be lighter than the phenotype of R1r1 R2R2 because the alleles R1R1 R2r2 have a stronger additive effect than those in R1r1 R2R2.
Answer:
1) Phenotypic ratio= 9:3:3:1
2) The correct statement is C. The phenotypes of the R1R1 R2r2 and R1r1 R2R2 genotypes will be the same because the same number of dominant and recessive alleles are contributing to each genotype.
Explanation:
Available data:
kernel color in wheat is a continuous trait determined by two additive genesBoth genes equally contribute to kernel color determinationRed kernels are determined by two genes and two dominant alleles (R1R1R2R2)White kernels are determined by two recessive alleles at the same two genes (r1r1r2r2)Dominant alleles R1 and R2 contribute equally to kernel color and cumulatively control the intensity of the red kernel phenotypeR1 and R2 are dominant over r1 and r21)
1st cross: A true-breeding red plant with true-breeding white plant
Parentals) R1R1R2R2 x r1r1r2r2
F1) 100% of the progeny will be R1r1 R2r2
2nd cross: Between two dihybrids
Parentals) R1r1R2r2 x R1r1R2r2
Phenotype) Red Red
Gametes) R1R2, R1r2, r1R2, r1r2
R1R2, R1r2, r1R2, r1r2
By using the forked-line method:
1/4 R1R1 x 1/4 R2R2 = 1/16 R1R1 R2R21/4 R1R1 x 2/4 R2r2 = 2/16 R1R1 R2r21/4 R1R1 x 1/4 r2r2 = 1/16 R1R1 r2r22/4 R1r1 x 1/4 R2R2 = 2/16 R1r1 R2R22/4 R1r1 x 2/4 R2r2 = 4/16 R1r1 R2r22/4 R1r1 x 1/4 r2r2 = 2/16 R1r1 r2r21/4 r1r1 x 1/4 R2R2 = 1/16 r1r1 R2R21/4 r1r1 x 2/4 R2r2 = 2/16 r1r1 R2r21/4 r1r1 x 1/4 r2r2 = 1/16 r1r1 r2r2F2)
9/16 R1 - R2-, red phenotype3/16 R1- r2r23/16 r1r1 R2-1/16 r1r1 r2r2, White phenotypeNote: The "-" symbol represents either a dominant or a recessive allele.
Phenotypic ratio: 9:3:3:1
2)
We know that both dominant alleles R1 and R2 contribute equally to kernel color and cumulatively control the intensity of the red kernel phenotype.
Genotypes R1R1 R2r2 and R1r1 R2R2 are carrying the same amount of dominant alleles, all of them are contributing equally to the phenotype, meaning that the cumulative effect is the same in both cases.
If we compare, for instance, R1R1 R2r2 and R1R1 r2r2, we can assume that the first genotype is darker than the second one, because it has 3 dominant alleles ( R1, R1, R2), while the second one only has 2 dominant alleles ( R1, R1).
Dominant alleles contribute equally, but they have cumulative effects, so the more dominant alleles the are in a genotype, the darker is the kernel color.
C. The phenotypes of the R1R1 R2r2 and R1r1 R2R2 genotypes will be the same because the same number of dominant and recessive alleles are contributing to each genotype.
What are the possible results of speciation?
Answer:
Speciation is an evolutionary process by which a new species comes into being. A species is a group of organisms that can reproduce with one another to produce fertile offspring and is reproductively isolated from other organisms. Speciation can be driven by evolution, which is a process that results in the accumulation of many small genetic changes called mutations in a population over a long period of time. There are a number of different mechanisms that may drive speciation. One of these is natural selection, which is a process that increases the frequency of advantageous gene variants, called alleles, in a population. Natural selection can result in organisms that are more likely to survive and reproduce and may eventually lead to speciation. A second process called genetic drift describes random fluctuations in allele frequencies in populations, which can eventually cause a population of organisms to be genetically distinct from its original population and result in the formation of a new species.
Explanation:
The DNA sequence TTT codes for the amino acid lysine. The DNA sequence TTC
also codes for lysine. What can you conclude from this information?
Answer:
The genetic code is degenerate and therefore mutations may go unnoticed.
Explanation:
Each triplet of nucleotide bases, which is known as a codon, encodes for a specific amino acid during translation. However, a single amino acid may be coded by different codons. It is for that reason that the genetic code is considered to be degenerate. In this case, Lysine amino acid can be encoded by both TTT (UUU in the mRNA) and TTC (UUC) codons, thereby a mutation T>C at the third nucleotide codon position does not affect the resulting protein (i.e., it is a silent mutation).