Answer:
it is b because rest are biotic and also cause it is the only biotic thing available
Explanation:
I know it is right
B. Cool crisp temperature
Explain the process of photosynthesis using the picture
Answer: the sun provides energy to the plant. And the plant turns the solar energy into chemical energy through photosynthesis. this provides the plant with energy
Explanation:
Two short-tailed cats are bred together. They produce three kittens with long tails, five short tails, and two without any tails. a. From these results, how is tail length in these cats inherited? b. Write out the genotypes paired with the matching phenotypes for the offspring to support your answer.
Answer:
a) Cats show incomplete dominance which means the kitten can be born with full length tails, short length tails and without tails.
b) The genotype of the parent will be heterozygous (Tt ) and the kittens will be:
Genotype | Fenotype
-TT | (long tail)
-Tt | (short tail)
-tt | (no tail).
A grey Fur dog (Gg) is crossed with a black fur dog (gg). Complete the Punnett Square and list all the possible genotypes and phenotypes of the offspring.
Genotypes Phenotypes
GG- Grey fur-
Gg- Black fur-
gg-
Answer: white furr (&)
in an experiment in my laboratory , i used sirna to decrease the amounts of hdac that removes the h3k9ac observations would i expect in terms of changes in gene expression
An upregulation of genes that are normally repressed by HDAC-mediated histone deacetylation.
How does HDAC activity affect H3K9ac levels?When using siRNA to decrease the levels of HDAC, which removes H3K9ac, you would expect changes in gene expression. H3K9ac is a histone modification associated with active gene expression.
Reducing the levels of HDAC, which normally removes H3K9ac, would lead to increased H3K9ac levels and potentially enhanced gene expression.
This is because H3K9ac facilitates the relaxation of chromatin structure, allowing transcription factors and other regulatory proteins to access DNA more easily, leading to increased transcription and gene activation.
Consequently, with decreased HDAC activity, you would anticipate an upregulation of genes that are normally repressed by HDAC-mediated histone deacetylation. The specific genes affected would depend on the context and the regulatory elements associated with those genes.
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Explain what igneous rock is
Explanation:
Igneous rock is formed through the cooling and solidification of magma or lava.
Answer:Igneous rock is which is also called magmatic rock is the rock formed when hot,molten rocks crystallizes and solidifies.
Explanation:
A classmate is looking at a unicellular organism under a microscope. She asks you if it is an animal. What would you say, and why?
Answer:
Explanation:
I would say that it could be a animal as micro organisms could be a male and woulda agree with her
A zygote is best described as a(n)
A. fertilized egg with fused nuclei
B. unfertilized egg
C. sperm attached to an egg's cell membrane O
D. fetus 6 weeks after fertilization
Option 1.A. fertilized egg with fused nuclei.
A zygote is a eukaryotic mobile fashioned via a fertilization event between gametes. The zygote's genome is an aggregate of the DNA in every gamete and contains all the genetic information of a new man or woman organism. In multicellular organisms, the zygote is the earliest developmental degree.
First, the zygote will become a solid ball of cells. Then it will become a whole ball of cells called a blastocyst. inside the uterus, the blastocyst implants in the wall of the uterus, in which it develops into an embryo attached to a placenta and surrounded by fluid-crammed membranes.
The zygote represents the primary stage in the improvement of a genetically unique organism. The zygote is endowed with genes from two dads and a mom, and as a consequence, it's miles diploid wearing two units of chromosomes.
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What super hero had a change or mutation occur in their DNA that gave them their super power?
A. Wolverine
B. Thor
C. Black panther
D. Dr. Strange
E. Batman
Answer: wolverine
Explanation:
Answer:
its answer is wolverine.
ASAP
Which of the following means 'Dehydrated'?
A. Too much water
B. Too little acid
C. Too much acid
D. Too little water
Answer:
D, too little water
PLEASE I NEED HELP OR IM GOING TO FAIL- 50 POINTS
Select from the drop-down menu to correctly complete the statement.
Different types of cells within an organism
A- sever a diffrent fuction
B- do not have any function
C- can survie all on their own
D- are all the same
Which of the following is a characteristic of offspring produced by meiosis, and does not characterize offspring produced by mitosis?
A.
four haploid cells with chromosomes and alleles that are genetically different than the parents
B.
four haploid cells with chromosomes and alleles that are genetically identical to the parents
C.
two diploid cells with chromosomes and alleles that that are genetically different than the parents
D.
two diploid cells with chromosomes and alleles that are genetically identical to the parents
Answer:
the answer is B I did this last week
what would be the advantage of using a molecular model that shows the compounds involved during cellular respiration to compare the amounts of carbon released into the atmosphere?(1 point)
Molecular models assist us in seeing chemical compounds that we cannot see with our open eyes.
Molecular models are three-dimensional visual representations of molecules. Molecular models allow us to see exactly what a molecule looks like. We can have a better grasp of the various transitions in a molecule by using a molecular model.
The advantage of utilising a molecular model that depicts the components involved in cellular respiration to compare the quantity of carbon released into the atmosphere is that it provides a visual of the process that is not visible to the open eye.
It aids in understanding the foundations of physical and chemical interactions, which are difficult to compute using experimental approaches. It also aids in the development of new theories, models, procedures, and products.
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Using a molecular model that shows the composites involved during cellular respiration to compare the quantum of carbon cycle released into the atmosphere allows a visual of the process that isn't visible to the mortal eye.
It helps understand the fundamentals of physical and chemical relations, which are delicate to calculate using experimental procedures. It also helps develop new propositions, models, processes, and products.
Since the carbon cycle is a global miracle, it can not be viewed at once. Using a model helps scientists and scholars understand how carbon moves through and impacts the terrain.
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what is overpopulation and how does it effect us?
Answer:
The over loaded of peoples is called overpopulation. There will be more crowded and people will be unemployed and It can effect the global warming
Answer:
Overpopulation is is basically when there is too much of something on our planet or anything else.
When you have a tent that holds 5 people but you put 10 people in it, you would be "overpopulating" the tent. there's such thing as over-farming.
Lactic acid fermentation is a type of anaerobic respiration that occurs in organisms such as.
Lactic acid fermentation is an anaerobic respiration process that occurs in animals.
What is anaerobic respiration?Anaerobic respiration is the process by which cells break down sugars to produce energy in the absence of oxygen. In contrast, aerobic respiration, which uses oxygen to produce energy, is a highly efficient process. Because of its high electron affinity, molecular oxygen is the most efficient electron acceptor for respiration. Some organisms, however, have evolved to use other final electron acceptors and, as a result, can respire without oxygen.
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Transport proteins that have a hydrophilic interior space with an aqueous environment through which specific substances can move across the membrane in either direction are called proteins:__________
Transport proteins that have a hydrophilic interior space with an aqueous environment through which specific substances can move across the membrane in either direction are called proteins: channel or carrier. Channels are proteins with a hydrophilic pore that allows the passage of ions and other small polar molecules across the membrane.
On the other hand, carriers have a binding site for specific substrates and undergo a shape change to facilitate substrate movement across the membrane.
As a question-answering bot, when answering questions on the Brainly platform, I should always be factually accurate, professional, and friendly. I should be concise and avoid extraneous detail. Additionally, I should use the given terms in the student's question when constructing my response.
Here is an answer to the student's question:Transport proteins that have a hydrophilic interior space with an aqueous environment through which specific substances can move across the membrane in either direction are called proteins: channel or carrier.Transport proteins are responsible for moving large, charged, or polar molecules across the cell membrane.
They have a hydrophilic interior space, which allows specific substances to move through the membrane in either direction. These proteins can either be channels or carriers.Channels are proteins with a hydrophilic pore that allows the passage of ions and other small polar molecules across the membrane.
Channels do not undergo any shape change, and the substrate moves across the membrane along the concentration gradient. Examples of channels include potassium channels, chloride channels, and sodium channels.Carriers, on the other hand, have a binding site for specific substrates.
The substrate binds to the carrier protein, which then undergoes a shape change, allowing the substrate to move across the membrane. Examples of carriers include glucose transporters and amino acid transporters .
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Tom has x pens with him. he gives 5 pens to adam. how many pens does tom have now??
Answer: Tom would have X - 5 pens.
Explanation: We don't know how many pens Tom has so it must be answered with an equation. I think, Apologies if this doesn't help.
The fourth and final phase of mitosis or meiosis during which a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound dna in a newly formed nucleus.
Answer:
The fourth and final phase of mitosis or meiosis is called telophase. During telophase, the nuclear membrane forms around the chromosomes on opposite sides of the cell, and the chromosomes become unwound DNA in newly formed nuclei.
In mitosis, telophase is the final phase of the cell cycle, during which the cell's genetic material is divided into two new daughter cells. In meiosis, telophase is the final phase of the meiotic cell division, during which the genetic material is divided into four new daughter cells, each with half the number of chromosomes as the original cell.
During telophase, the cell also begins to rearrange its cytoskeleton and reorganize its cytoplasm in preparation for cell division. This allows the two new daughter cells to separate and become independent organisms.
The telophase is the fourth and final phase of mitosis or meiosis, when a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound DNA in a newly formed nucleus.
What is the significance of the telophase?It is the final stage of cell division, in which the cell is about to divide into two different cells in mitosis, and there are four cells meiosis, and in telophase, the genetic contents are present at opposite poles and the DNA is decondensed. In all the phases of the cell cycle, the telophase is the last one where cytokinesis begins.
Hence, the telophase is the fourth and final phase of mitosis or meiosis, when a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound DNA in a newly formed nucleus.
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_______________ are products from partial fat metabolism as a result of too little dietary carbohydrate.
Ketones are byproducts of incomplete fat metabolism brought on by insufficient dietary glucose. This technique produces ketones as a byproduct.
These acids accumulate in the blood and are excreted by the organism in the urine. They show that the body is reducing fat when present in little levels. Ketoacidosis is a disorder brought on by the body becoming poisoned by high quantities of ketones.Your body has a number of intricate metabolic pathways it must use to eliminate fat deposits. The byproducts of fat metabolism exit your body in the form of water when you urinate, sweat, or leave the body via your skin.
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Without the interactions between these five systems, running would be difficult due to the need for the coordination between breathing, pumping enough oxygen in blood to cells, and moving muscles and bones.
Can the following chemical equation occur on its own?
CH4 + O2 --> FeO2 + CO2 + H2O
Answer:
No
Explanation:
This is the word equation
Methane + oxygen - - - > iron oxide + carbon dioxide + water
The equation is missing some elements as the left side has no iron but right side has an iron oxide.
Therefore this equation can not happen on its own because its not balanced
Why might a phylogeny based only on molecular data show a different pattern of relationships than a phylogeny of the same taxa based only on morphological traits
C. Some highly conserved genetic sequences can result in unrelated species appearing closely related in a molecular phylogeny and not reflect the same pattern as the morphological phylogeny.
D. The molecular data may be based on the analysis of introns, which aren't expressed and don't contribute to the evolutionary history of a group of taxa.
E. Gene sequence changes may not result in morphological changes.
Here's a detailed explanation for each of the selected options:
C. Some highly conserved genetic sequences can result in unrelated species appearing closely related in a molecular phylogeny and not reflect the same pattern as the morphological phylogeny:
In molecular phylogenetics, researchers often compare DNA or protein sequences to infer evolutionary relationships. However, not all genetic sequences evolve at the same rate. Some genetic regions, known as highly conserved sequences, remain relatively unchanged over long periods of evolutionary time. These highly conserved sequences can be found across different species, even if those species are not closely related.
When constructing a phylogeny based solely on molecular data, if the analysis focuses on highly conserved genetic sequences, it may result in unrelated species appearing closely related. This is because the sequences being analyzed do not show enough variation to accurately reflect the true evolutionary relationships among the taxa.
D. The molecular data may be based on the analysis of introns, which aren't expressed and don't contribute to the evolutionary history of a group of taxa:
Molecular data used for phylogenetic analysis can come from different regions of the genome, including coding sequences and non-coding sequences such as introns. Introns are stretches of DNA found within genes that are not expressed or translated into proteins. While introns are present in the genome, they do not contribute to the phenotypic traits or the evolutionary history of a group of taxa.
If a phylogeny is constructed solely based on molecular data that includes introns, it may introduce noise or irrelevant information into the analysis. This can potentially lead to differences in the inferred relationships compared to a phylogeny based solely on morphological traits, which directly relate to the organism's phenotype.
E. Gene sequence changes may not result in morphological changes:
Gene sequences and morphological traits are not always directly linked. Changes in gene sequences do not always result in observable morphological changes. Genes can code for a variety of functions and molecular processes that may not directly influence the physical appearance of an organism.
Therefore, even if there are differences in the gene sequences among taxa, it does not necessarily mean there will be corresponding differences in their morphological traits. This decoupling of genetic changes and morphological changes can lead to discrepancies between molecular phylogenies and phylogenies based on morphological traits alone.
The correct question is:
Why might a phylogeny based only on molecular data show a different pattern of relationships than a phylogeny of the same taxa that is based only on morphological traits? (Select all that apply.)
A. Gene sequences always provide more data than morphological traits.
B. Morphological analyses always provide more data because each morphological trait is the result of the expression of many genes.
C. Some highly conserved genetic sequences can result in unrelated species appearing closely related in a molecular phylogeny, and not reflect the same pattern as the morphologic phylogeny.
D. The molecular data may be based on the analysis of introns, which aren't expressed and don't contribute to the evolutionary history of a group of taxa.
E. Gene sequence changes may not result in morphological changes.
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What attractive Force pulls electrons toward protons to form chemical bonds?
Answer:
Electronegativity
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The feather color of Andalusian chickens is controlled by a single gene with two alleles. A cross between a true-breeding, white-feathered Andalusian hen and a true-breeding, black-feathered Andalusian rooster results in 100% blue-feathered Andalusian offspring. Which of the following describes the inheritance pattern for feather color in these chickens?
The inheritance pattern for feather color in Andalusian chickens is a codominant pattern because the heterozygous offspring have a different phenotype than either parent.
The white-feathered hen and the black-feathered rooster are both true-breeding, meaning they are homozygous for their respective feather color alleles. However, when they are crossed, the resulting offspring all have blue feathers, indicating that neither the white nor the black allele is completely dominant over the other. Instead, the two alleles interact to produce the blue feather color phenotype. This is an example of codominant dominance, where the heterozygous genotype results in a phenotype that is intermediate between the two homozygous phenotypes.
Your question is incomplete, but most probably your option were
A. It is a polygenic pattern because more than two phenotypes are possible.
B. It is a dominant-recessive pattern because both parents are true breeding.
C. It is a sex-linked pattern because the hen and the rooster have different feather colors.
D. It is a codominant pattern because the heterozygous offspring have a different phenotype than either parent.
Thus, the correct option is D.
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The leading strand runs in a
direction and is replicated
A. 5' to 3', continuously
B.5' to 3', discontinuously
C. 3' to 5', continuously
D. 3 to 5', discontinuously
Answer:
option C is correct that is 3` to 5` continuously
Explanation:
when replication begins the two parent DNA strand are separated one of this is called leading strand and is replicated continuously in the 3` to 5` direction the other strand is lagging strand and is replicated discontinuously in short sections
Which biome on the planet experiences relatively small precipitation amounts and the dominant vegetation are coniferous trees?
-tropical rain forest
-savanna
-taiga
-tundra
What is phenotype in biology?
The tension that is created when an organism has a need that must be met is called:.
Answer:
In his theory, Hull used the term drive to refer to the state of tension or arousal caused by biological or physiological needs. Thirst, hunger, and the need for warmth are all examples of drives. A drive creates an unpleasant state, a tension that needs to be reduced.
Explanation:
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How does the law of cross-cutting relationships help scientists determine the relative age of rocks
The law of cross-cutting relationships assists the scientists in ascertaining the relative age of rocks since it states that the geologic characteristic which cuts another is the younger among two characteristics.
The law or principle of cross-cutting relationships is used in relative dating methods which aids the geologist in determining the relative age of rocks. Deformation phenomena such as faults, folds as well as igneous intrusions which cut rocks from one side to the another, are younger than the rocks which they cut across.
Nicholas Steno was the first to put forward the theory of cross-cutting relationships, which was developed by James Hutton afterwards.
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3. Create: Your goal is to make copies of the STR region. To do this, you will make primers that surround the
STR region. A primer is a short sequence of DNA that acts as a starting point for DNA replication.
Click Next. Click on person 1's DNA to separate the two strands. Drag along the AAGGC nucleotides, and
then the TCGCC nucleotides to create primers. Click Next. The Gizmo will add the same primers to the two
other people.
What do you notice about where the primers attach in each person?
The thing that i notice about where the primers attach in each person is that the primers need to bind to the equivalent position in the DNA of all three individuals, given that the DNA composition and arrangement are uniform in the corresponding zones.
What is the primers?Primers have a specific plan of action of adhering to an individualized sequence on the DNA template. Therefore, in the scenario of identical DNA sequences, the primers should connect to the same particular location on every person's DNA.
Thus When DNA is being replicated, the two strands that make up the molecule are separated and each one functions as a model for the creation of a corresponding strand that complements it.
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PLEASE HELP
Velocity is _________________ Question 3 options: The rate an object moves in a certain direction, in relation to the reference point. The amount of time it takes an object to move from point A to point B. The measuring scale used when describing the thrust need to lift a rocket The displacement an object displays between it’s starting point and end point.
Answer:
The amount of time it takes an object to move from point A to point B.
Explanation:
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Velocity is The amount of time it takes an object to move from point A to point B. Therefore, option B is correct.
What is velocity?When an item is moving, its velocity is the rate at which it is changing position as seen from a particular point of view and as measured by a certain unit of time. The meter per second (m/s) is the accepted unit of velocity magnitude (also known as speed). The various forms of velocities include uniform, variable, average, and instantaneous velocities.
There are countless practical uses for velocity, but one of the more frequent ones is figuring out how quickly you (or anything in motion) will get somewhere from somewhere.
Velocity is The amount of time it takes an object to move from point A to point B. Therefore, option B is correct.
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