Answer:
B
Explanation:
If the North End is tilted towards the sun, North America gets more light. More light means longer days.
Answer:
The correct answer is more indirect rays and shorter days
How are alleles for the same gene related
Answer:
They make up the gene and decode what it is and does.
Explanation:
Alleles from the same gene are related because while they both come from different people, they affect the same gene. The two or more alleles make up the gene they form. They also decide whether the gene will be dominate or recessive.
Alleles are different versions of a gene that determine traits, with each parent contributing one allele to the offspring. There can be dominant and recessive alleles that influence the phenotype, and individuals can be homozygous or heterozygous for a trait.
Explanation:Alleles for the same gene are related because they are different versions of the same gene that determine various traits such as eye color, blood type, or hair color. Each allele contains a unique sequence of DNA, which can result in different physical characteristics, known as the phenotype. We receive one allele from each parent, giving us two alleles for each gene, which can be either homozygous (identical alleles) or heterozygous (two different alleles). Genes can express themselves in various ways; some alleles are dominant while others are recessive, and this interaction is essential in determining an organism's traits. For instance, the gene for blood type has three possible alleles: A, B, and O. Homozygous individuals have two identical alleles while heterozygous individuals have two different alleles, which can result in varying expressions of the gene.
What happens when an antibody binds an antigen
Antibody–antigen complex: The forked end of an antibody recognises and binds to the antigen on the surface of the pathogen. The third and final line of defence is the immune response. The invading microbe or pathogen is called an antigen. It is regarded as a threat by the immune system and is capable of stimulating an immune response.
Does the following statement describe a function of DNA, a function of RNA, a function of both DNA and RNA, or a function of neither DNA nor RNA? It stores in the nucleus the information a cell needs to make its proteins with the right orders of amino acids.
DNA
RNA
both DNA and RNA
neither DNA nor RNA
Answer:
DNA
Explanation:
DNA I held in the nucleus, because the nucleus is the 'brain's and DNA is the 'knowledge' held there. RNA is coded IN the nucleus, but then leaves and goes into the cytoplasm where it undergoes translation.
Scientists know that organisms that are more closely related will have DNA sequences more similar to each other than organisms that are distantly related. Which two organisms below would most likely have the fewest similar nucleotide sequences in a given gene?
An alligator and an earthworm
Scientists know that organisms that are more closely related will have DNA sequences that are more similar to each other than organisms that are distantly related, the two organisms that would most likely have the fewest similar nucleotide sequences are humans and the bacterium present in Option a.
What is evolutionary relatedness?The relationship between evolutionary relatedness and DNA similarity arises from the fact that DNA sequences change over time while mutations can arise through various mechanisms, such as errors in DNA replication or exposure to mutagens, etc. As a result, organisms that diverged more recently from a common ancestor are expected to have more similar DNA sequences and more evolutionary relatedness than those that diverged further back in time.
Hence, the two organisms that would most likely have the fewest similar nucleotide sequences are humans and the bacterium present in option a.
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the question is incomplete, the complete question is below
Scientists know that organisms that are more closely related will have DNA sequences more similar to each other than organisms that are distantly related. Which two organisms below would most likely have the fewest similar nucleotide sequences in a given gene?
a)humans and the bacterium
b)human male and the human female
An atom of calcium has 20 protons. How many electrons does it have ?
In any atom of element, the number of proton is equal to the number of electrons .
Hence atom of calcium having 20 protons also have 20 electrons.
Answer:
In any atom of element, the number of proton is equal to the number of electrons .
Explanation:
A researcher observes two species of frogs in the same area. Both species have a similar diet. One species breeds in fast-moving streams, while the other species breeds in ponds. Both species are similar in appearance and have very similar DNA. This is most likely an example of
Geographical isolation.
Habitat isolation.
Behavioral isolation.
Temporal isolation
Answer:
Behavioral isolation.
Explanation:
SInce the example is saying that both species of frogs are in the same area, this eliminates the option of geographical and habitat isolation, since they are already togheter and have similar diet, appearence and DNA this means they could interbreed, and since the example is not saying anything about breeding times for each species, we can not assume this is a temporal isolation, so the only thing that sets them apart is the fact that they have different breeding rituals, since one species breeds on water ponds and the other in fast-moving streams, this is known as Behavioral Isolation, since it´s their breeding rituals that keeps them from interbreeding.
Which is not a method used in genetic engineering?
A gene is removed.
A gene is inserted to make a mutation inactive.
A synthetic gene is created.
Answer:
A. A gene is removed
Explanation:
Answer: Third option is correct.
Explanation:
Genetic engineering is a method of artificial manipulation, modifications and recombination of genes to modify the population of any organisms.
In this type pf engineering, genes get inserted to make a mutation inactive or a gene is removed.
But no synthetic gene is created by this process.
Hence, third option is correct.
which energy source contributes the most to climate change
Answer:
Fossil fuels (Coal, oil, gas)
Explanation:
Burning these will produce energy, but it will also release greenhouse gases such as carbon dioxide and nitrous oxide.
15. Which of the terrestrial planets is the largest?
O A. Venus
| 0 B. Earth
o C. Mars
O D. Mercury
Hi!
Earth is the largest.
Hope this helps!
Final answer:
Earth is the largest of all the terrestrial planets, which include Mercury, Venus, Earth, and Mars. The correct answer is option A.
Explanation:
The question pertains to the relative sizes of the terrestrial planets in our solar system. Of all the terrestrial planets -- Mercury, Venus, Earth, and Mars -- Earth is the largest. When considering the question hint regarding weight and surface gravity, it's also notable that among the terrestrial planets (excluding the jovian planets), you would weigh the most on the surface of Earth due to its greater mass and consequently higher surface gravity compared to the other terrestrial planets.
Which of the following is a way that biotechnology such as selective fishing nets designed to reduce bycatch has impacted the environment?
A greater variety of species have been caught and sent to market.
Depleted fish stocks have been able to return to healthy numbers.
Fishermen have seen a large increase in their profits with minimal effort.
There has been less food available to the rest of the ecosystem.
i’m pretty sure it would be C.
Answer:
B, Depleted fish stocks have been able to return to healthy numbers.
Explanation:
i got it correct
A cross of a black chicken (BB) with a white chicken (WW) produces all speckled off spring (BW). This type of inheritance known as
Answer:
Codominance
Explanation:
When we say codominance, both traits of the parents are seen on the offspring. For example in your problem, the offspring is speckled meaning there is a mixture of both white and black, traits coming from each parent.
Do not confuse this with incomplete dominance. Incomplete dominance is similar but the difference is that the traits are "BLENDED". So let's say that if incomplete dominance occurred, the offspring would be gray.
The described inheritance pattern, in which a cross between a black and white chicken produces all speckled offspring, is known as codominance. This pattern of inheritance happens when neither of the two alleles of a gene is dominant or recessive, resulting in offspring that display traits from both parents.
Explanation:The type of inheritance described in the question, where a cross between a black chicken (BB) and a white chicken (WW) produces all speckled offspring (BW), is known as codominance. In codominance, both alleles are equally strong and both are expressed in the offspring's phenotype. In this case, neither the black color (B) nor the white color (W) is dominant over the other, resulting in a speckled combination of both colors (BW).
Bringing in a different context, in cases of codominance in mice, a cross between a black mice (A) and a white mice (a) will produce grey mice (Aa). Many genetic traits indeed follow this pattern of inheritance.
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What are the genotypes and phenotypes of the parents of Ff and FF?
F = free
f = attached
Make a punnett square.
F F
F FF FF
f Ff Ff
So the genotypes are 50% FF and 50% Ff.
The phenotype is 100% free since Ff is heterozygous and the dominant trait is present.
PLEASE HELP!!!!
Describe the hierarchical relationships between the universe, galaxies, stars, and solar systems.
20 points
Answer: Planets are in solar systems, solar systems are in galaxies, and galaxies are in the universe.
Explanation: Universe >> Galaxies >> Solar Systems >> Planets
Final answer:
The universe is the largest scale structure that encompasses everything, including all the galaxies, stars, and solar systems. Galaxies are large collections of stars, gas, and dust held together by gravity. Stars are massive balls of hot, glowing gas that are found within galaxies. Solar systems are smaller systems within galaxies that consist of a star, such as the Sun, and the various celestial bodies orbiting around it.
Explanation:
The hierarchical relationships between the universe, galaxies, stars, and solar systems can be understood in the following way:
Universe: The universe is the largest scale structure that encompasses everything, including all the galaxies, stars, and solar systems.Galaxies: Galaxies are large collections of stars, gas, and dust held together by gravity. The Milky Way is an example of a galaxy.Stars: Stars are massive balls of hot, glowing gas that are found within galaxies. They are formed from the collapse of gas and dust and are responsible for producing light and heat.Solar Systems: Solar systems are smaller systems within galaxies that consist of a star, such as the Sun, and the various celestial bodies orbiting around it, including planets, moons, asteroids, and comets.Whose system of classifying and naming organisms is still in use today?
Sutton
Linnaeus
Aristotle
Darwin
Answer:
Linnaeus
Explanation:
Could a man with type ab blood be the father of a child with type o blood
Answer:
No.
Explanation:
Because the man has the dominant A and B genotypes, it cannot cross with a female of any set of traits to produce a child with O type bloodwhich of the following statements about scientific theories are true? (A) theories cannot be tested (B) theories are the same as hypotheses. (C) theories can be used to predict the existence of as yet unobserved things or phenomena. (D) theories are ethical principles based on a religious foundation
(C)theories can be used to predict the existence of as of yet unobserved things or phenomena
Final answer:
The true statement about scientific theories is that they can be used to predict unobserved phenomena. Theories are well-established frameworks, different from hypotheses, that can be empirically tested and are not ethical precepts. The correct option is: (C) theories can be used to predict the existence of as yet unobserved things or phenomena.
Explanation:
This statement is true because scientific theories are not merely guesses; they are comprehensive frameworks supported by a body of evidence that can make predictions about the natural world.
Theories can be tested and they are different from hypotheses. Theories are much more established and are supported by evidence collected from multiple experiments or observations. Also, they are not based on ethical or religious principles, but rather on empirical evidence. A theory may begin as a hypothesis, which is a proposed explanation made on the basis of limited evidence as a starting point for investigation. However, once a hypothesis has been tested repeatedly and consistently supports the evidence, it may become a theory.
In science, theories are crucial because they provide explanations that predict and can be tested in various ways, and can be used to understand and predict the occurrence of future events or discoveries. When new evidence appears that contradicts a theory, the theory is reconsidered and may be revised. This is how science advances knowledge.
Which process stops when ribsome reaches stop condon
Translation
Explanation: The method of translation practices energy to move the mRNA within the ribosome and to determine the peptide. The ribosome changes along the mRNA and the process repeats. The part of the polypeptide chain development and translation ends when the ribosome stops the stop codon on mRNA.
I apologize if this is not what you meant.
When a ribosome reaches a stop condon during translation, the process that ends is translation termination. This results in the completion of the polypeptide and the disestablishment of the translation complex.
Explanation:The process that stops when a ribosome reaches a stop codon is translation termination. When the ribosome encounters a stop codon (UAA, UAG, or UGA), the production of the protein, or polypeptide, is completed. Release factors trigger the detachment of the amino acid from its tRNA and the newly made protein is released. Subsequently, the small and large ribosomal subunits dissociate from the mRNA and from each other, freeing them up to participate in other translation initiation complexes.
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The arrows in the chart above represent the movement of carbon between four reservoirs: the ocean, plants, fossil fuels, and the atmosphere. The numbers in the blue boxes show the gigatons of carbon moving each year. More carbon is moving into the vegetation for photosynthesis than is moving out to the atmosphere via respiration. This means that the vegetation reservoir is a carbon sink, taking in more carbon from the atmosphere than it is releasing to the atmosphere. A carbon source is the opposite. A reservoir that behaves as a carbon source releases more carbon to the atmosphere than it takes in.
Consider the statements listed here. Do they accurately describe potential changes in the model? Choose all that are correct.
Deforestation would result in a decrease in the carbon sink.
Increased use of alternative energy sources such as solar and wind energy would result in a decrease in released or sourced carbon.
If we consider non-industrialized countries, the model would remain the same.
If global warming continues, we would expect a change in the amount of carbon found in the ocean reservoir.
Combustion of fossil fuels acts as a carbon sink.
All carbon in the atmosphere is made by humans.
Which ones is it?
Answer:
got it wrong : <
Explanation:
Deforestation would result in a decrease in the carbon sink.
Increased use of alternative energy sources such as solar and wind energy would result in a decrease in released or sourced carbon.
If global warming continues, we would expect a change in the amount of carbon found in the ocean reservoir.
The following below are correct:
Deforestation would result in a decrease in the carbon sink.Increased use of alternative energy sources such as solar and wind energy would result in a decrease in released or sourced carbon. If global warming continues, we would expect a change in the amount of carbon found in the ocean reservoir.What is Carbon sink?This can be defined as anything that absorbs more carbon from the atmosphere than it release such as plants etc.
Deforestation involves feeling of trees which will cause a decrease in the carbon sink. The use of alternative energy will also lead to a decrease in the use of carbon.
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Heres a few questions
Answer:
Don't know
Explanation:
How is mitosis different in plants and animals
Instead of in humans ... cell development, plants and animals use mitosis for cell division
Answer:
Mitosis in plants:
The plants cells do not change the shape before the process of mitosis. Cytokinin is the main hormone in the mitotic division of plant cell. Asters are absent in plant cell. The cell plate method is involved in plant cell mitosis. Microfilaments are not involved majorly in plant cell division.
Mitosis in animals:
The animals cells change the shape and become oval or rounded before the process of mitosis. Different number of hormone is involved in the mitotic division of animal cell. Asters are present in plant cell. The cell plate method is not involved in animal cell mitosis and division occurs through cleavage. Microfilaments are involved majorly in plant cell division.
Plants are green because they contain the protein chlorophyll. A bucket was left on the lawn for one week. When the bucket was removed, the grass under the bucket had
turned from green to a yellowish white color. This change is due to the interaction between the grass and
decomposer organisms in the soil, an abiotic factor
2
the amount of sunlight, an abiotic factor
increased moisture under the bucket, a biotic factor
the metal composition of the bucket, a biotic factor
Answer:
The amount of ⛅ sunlight .
Explanation:
PLEASE MARK AS BRAINLIEST
The grass turned from green to a yellowish white color due to decreased sunlight and possibly increased moisture under the bucket.
The change in color of the grass from green to a yellowish white under the bucket is most likely due to the decreased amount of sunlight reaching the grass.
chlorophyll, the green pigment in plants, is responsible for capturing sunlight for photosynthesis.
Without adequate sunlight, chlorophyll production decreases, causing the grass to lose its green color.
Increased moisture under the bucket may also contribute to the change in color, as excessive water can lead to stress and damage to the grass.
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The relationship between electricity and magnetism is called ?
The relationship between electricity and magnetism is called electromagnetism.
the relationship between electricity and magnetism is called Electromagnetism.
Determine whether each statement below describes traditional or modern classification.
We need the statements to answer your question!! Also background information
Answer:
traditional classification- based on similar appearance
modern classification- based on evolutionary relationships
modern classification- known as Cladistics
traditional classification- known as Linnaean classification
Unlike a prokaryotic bacteria cell, a virus, like the one in the image, A) has a lipid cell wall. B) has no genetic material. C) cannot reproduce on its own. D) does not contain any organic molecules.
C) cannot reproduce on it's own.
The transfer of energy to a body by applying a force that causes the body to move in the direction of the force is called
The transfer of energy through force application causing a body to move in the direction of the force is defined as 'work' in physics. This concept is closely related to 'power', which is the rate of energy transfer in a system. It is an integral part of studies in mechanics and thermodynamics.
Explanation:The transfer of energy to a body by applying a force that causes the body to move in the direction of the force is called work. This energy transfer occurs when an external force is applied to an object system, causing it to move through a distance. In terms of physics, work is the product of the force's component in the direction of the displacement and the magnitude of the displacement.
As an example, consider a piston filled with gas being compressed or expanded. The work done on the piston is equated to the energy transferred into the piston system. This concept is part of thermodynamics, a fundamental aspect of physics that studies the movements and interactions of energy.
Power is closely related to work, defined as the rate of energy transfer into, out of, or within a system. So, if we look at the power involved in moving a body, it can be expressed in terms of the forces acting on it. The higher the rate of work done, the greater the power exerted over the system.
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A student is trying to match organ systems together according to their functions. Which of the following organ systems are best paired in terms of their functions being opposite to one another?
A. immune and integumentary systems
B. nervous and endocrine systems
C. digestive and excretory systems
D. muscular and skeletal systems
E. circulatory and lymphatic systems
Circulatory and lymphatic systems
Answer:
C
Explanation:
Sara and Austin look more like their mother than their father, why?
Answer:because Austin and Sara inherit more of their mother"s genes
Explanation:
Austin and Sara inherited more of their mother’s genes.
In which situations is work being done?
Hannah leans against her locker, but it doesn’t move.
Andy’s car rolls down a hill with the engine off.
A wind turbine stands still on a sunny, windless day.
A balloon expands as it is heated by the Sun.
James pedals a stationary exercise cycle that doesn’t move.
Answer:
it would seem to be James because James is doing work by exercising all of the other situations look to be using no energy at all
Explanation:
Answer:
Andy’s car rolls down a hill with the engine off.
A balloon expands as it is heated by the Sun.
Explanation:
Work is said to be done when a force applied on an object is able to move/displaces the object from its position. But, if force is applied on an object but it does not move or force which is being applied on the object is prependicular to the object in such situations work done is zero.
The formula for work done is mentioned as under:
W = F.d. cosФ
Where, W = Work done
F = Force applied
d = displacement
Ф = angle between force and displacement
So if Ф = 90° then cosФ = 0 and hence, W = F.d. cosФ = F x d x 0 = zero &
W = F.d. cosФ = F x 0 x cosФ = zero, when d = 0.
Andy’s car rolls down a hill with the engine off - In this situations work is said to be done because there is a net movement of the object in the direction of force.
A balloon expands as it is heated by the Sun - In this situation work is said to be done due to heat expansion.
Hannah leans against her locker, but it doesn’t move, a wind turbine stands still on a sunny, windless day & James pedals a stationary exercise cycle that doesn’t move - In all these situations, work done is zero because there is no net displacement. i.e. d = 0.
Drag and drop the terms on the left to complete the concept map
Do you have a picture of the concept map? :)
Drag and drop the terms on the left to complete the concept map
Further explanation Evolution might result in New structures such as in amphibians gained Bony fishes Evolution might result in New structures such as Bony fishes Evolution might result in New structures . such as in amphibians had features of Limbs such as Bony fishes Evolution might result in New structures such as Bony fishes Evolution might result in New structures such as in amphibians had features of gills such as TiktaalikEvolution might result in New structures when compared to other species, may be Analogous structures if related by Common functionEvolution might result in New structures when compared to other species, may be homologous structures if related by Common ancestry
Analogous structures have different evolutionary ancestries but they have the same function. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous. Examples of Analogous structures are the wings of birds, bats and insects. Whereas homologous structures are the opposite. They have similar ancestries and common traits but maybe not have the same function in an organism.
Tiktaalik better known as the "fishapod," is a 375 million year old fossil fish which was discovered in the Canadian Arctic in 2004. Tiktaalik have fins with thin ray bones, scales, and gills like most fish.
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Grade: 9
Subject: biology
Chapter: the concept map
Keywords: Tiktaalik, homologous structures, Analogous structures, the concept map, Bony fishes
how much money is spent on ocean exploration per year?
Answer:
Each year NASA spends $18.7 billion