Answer:
b
Explanation:
The two parent pea plants are likely heterozygous for the pea color trait, meaning they each carry one dominant (yellow) and one recessive (green) allele. This would account for the observed offspring pea color ratios. So, the correct option is C.
Explanation:The information given in the question suggests that the parent pea plants are both heterozygous for the pea color trait. This means that they each carry two different alleles for the pea color gene - one dominant (yellow) and one recessive (green). When they reproduce, each parent plant contributes one of these alleles to their offspring, resulting in an approximately 3:1 ratio of yellow to green peas in the offspring. This is a characteristic outcome of a Punnett square for parents that are heterozygous for a particular trait.
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62. Compare point-source pollution and non-point pollution.
Answer and Explanation: The difference between point and nonpoint source pollution is that point source pollution has a single, identifiable source while nonpoint source pollution is a collection of pollutants from many different sources, not all of which are readily identifiable.
Answer:
Point source pollution refers to the pollution that occurs from a single identifiable source while nonpoint source pollution refers to the pollution that occurs via many diffuse sources
Explanation:
Which of these is an exothermic reaction?
A. photosynthesis
B. cooking an egg
C. cellular respiration
D. rubbing your hands together
I think it might be C because when you are rubbing your hands energy is not released it’s absorbed, cooking an egg the heat from the pan is absorbed by the egg, photosynthesis the plant is taking in energy, and in cellular respiration you release energy
4. How do ocean currents influence climate? Give an example of such an ocean current.
The Gulf Stream influences the climate of England. Without the Gulf Stream England would be a cold country.
ocean - Large bodies of water.
current flowing towards equator carry cold water from poles
current flowing towards away from equator carry warm water from poles
Example - Humidity
Let me know if you have any questions
Can someone please describe how food is rearranged through chemical reactions forming new molecules that release energy as this matter moves through an organism.
Answer: I think it's photosynthesis
Explanation:
I know this is late, but this is actually an example of Cellular Respiration, the other person is wrong. While, the two are close, they are very different.
Green power comes from
A. Wind
B. Sun
C. Water
D. All of the above
Answer:D. all of the above
Explanation: because green power just means power harnessed from nature
Answer:
D. All of the above
Explanation:
Green power is from reusable sources. The Sun, wind and water are all reusable.
This is a model to help student understand the process of photosynthesis. Which allows plants to create their own food.The greatest limitation of this model is that
Answer:
It is incomplete and does not show all reactants and products.
Next time add the picture
Explanation:
Specific proteins produced in a cell are directly related to the (1) number of mitochondria in a cell, (2) typeof ribosomes in the cell, (3) nucleotide sequence in the DNA of the cell, (4) sequence of the sugar and phosphates in the cell
Specific proteins produced in a cell are directly related to the nucleotide sequence in the DNA of a cell.
Answer:
To the nucleotide
Explanation:
HELP!!!! Which of the following correctly relates the porosity, permeability and production of a well in an aquifer?
a. Increasing porosity and decreasing permeability lead to increased production in an aquifer.
b. Decreasing porosity and increasing permeability lead to increased production in an aquifer.
c. Decreasing porosity and decreasing permeability lead to increased production in an aquifer.
d. Increasing porosity and increasing permeability lead to increased production in an aquifer.
D-Increasing porosity and increasing permeability lead to increased production in an aquifer
Answer:
d. Increasing porosity and increasing permeability lead to increased production in an aquifer.
Explanation:
Underground aquifers are permeable geological formations that allow water to accumulate inside the soil. Depending on how water circulates within the soil, there are three primary types of aquifers: porous, karstic and fissural.
In addition to supplying sufficient water to keep surface watercourses stable (production function), aquifers also help prevent their overflow by absorbing excess heavy rainwater (regularization function).
Which is a frameshift mutation?
A. substitution
B. nonsense
C. silent
D. deletion
I would say D
A frameshift mutation is a mutation caused by an insertion or deletion, which causes a shift in the translational reading frame. ... Instead of just changing one amino acid, frameshifts cause a change in all the amino acids in the rest of the gene
Answer:
The correct answer will be option-D
Explanation:
A mutation is a change or alteration in the sequence of the DNA of the organism which leads to change the function of the sequence.
The mutation is caused by many mechanisms but one of the mechanism is by adding or deleting the nucleotide in the sequence of the DNA.
The addition or deletion shifts the frame of the DNA while scanning it to form mRNA molecule which then codes a different protein. Therefore the type of mutation is known as "frameshift mutation".
In the given question, since the only deletion is provided therefore, option-D is the correct answer.
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Forensic Science
How does simple assault rank amount crimes associated with alcohol use?
A. Least common
B. Most common
C. About 1%
D. About 4%
it would be b. most common
it is b most common
Define the role of transport proteins
Answer:
Transport proteins function in both active and passive transport to move molecules across the plasma membrane. ... These channel proteins are responsible for bringing in ions and other small molecules into the cell. It's important to remember that each channel protein can only bring in a specific molecule.
Explanation:
Answer:
Transport proteins are proteins that transport substances across biological membranes. Transport proteins are found within the membrane itself, where they form a channel, or a carrying mechanism, to allow their substrate to pass from one side to the other.
i think that its correct :)
Which of the following is not a negative consequence of upward urban growth? a. pollution b. creation of a “heat island” c. increased use of surrounding land d. waste management issues Please select the best answer from the choices provided A B C D
Answer:
The answer is C.
Explanation:
Hope this helps
Answer:
Option C- Increased use of surrounding land
Explanation:
Pollution and waste management are common when the population per unit square is high. Heat island is the increase in the temperature of a particular area in comparison to the surrounding non-inhabited areas. This is an other side effect of crowded housing.
Sickle-cell anemia is an example of codominance.What implications does this have for people with one or two copies of the sickle-cell gene?
a) people with two copies of the mutated gene have healthy red blood cells.people with one copy of the mutated gene dont have the disease but are carries of the disease.
b) people with two copies of the mutated gene have sicke cell anemia. people with one copy of the mutated gene have healthy red blood cells.
c) people with two copies of the mutated gene have sickle cell anemia. people with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease
d) people with two copies of the mutated gene are carriers of the disease. people with one copy of the mutated gene dont have the disease
please help!
Answer:
C
Explanation:
Codominant alleles mean that both alleles are expressed in the trait of the organism because no one alleles mask the effects of the other. Therefore an individual heterozygous for sickle cell will have both healthy and sickle cells in his blood. This is similar to plants with codominant alleles for petal color. If red and white color alleles are codominant, then the petals will have red and white patterns on the petals.
people with two copies of the mutated gene have sickle cell anemia. people with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
Optio nC is correct.
How do we explain?Sickle cell anemia is a genetic disorder that is caused by a mutation in the hemoglobin gene. Hemoglobin is a protein that carries oxygen in the blood. The mutation in the sickle cell gene causes the hemoglobin molecules to form into long, rod-like shapes. These rod-like shapes can clog up the blood vessels, which can lead to a variety of health problems, including anemia, pain, and organ damage.
People with two copies of the sickle cell gene have sickle cell anemia. They have all of their red blood cells shaped like rods, which can cause severe health problems.
Option C is correc
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What is the function of the Golgi apparatus?
Answer:
The job of the Golgi apparatus is to process macro molecule. For example proteins an lipids.
Hope this helped!
Brainliest answer? :)
Answer:
Image result for What is the function of the Golgi apparatus?socratic.org
The Golgi apparatus is an organelle present in most eukaryotic cells. It is made up of membrane-bound sacs, and is also called a Golgi body, Golgi complex, or dictyosome. The job of the Golgi apparatus is to process and bundle macromolecules like proteins and lipids as they are synthesized within the cell.
Explanation:
Which sentence best describes an ecosystem?
Answer: D
Explanation:
answer is : an ecosystem is all of the organisms living in a given area
explain how a cell creates a protein using the correct sequence and at least 6 of the vocabulary words : Codon, translation, transcription, ribosome, nucleotide, bass pairs, tRNA, anticodon, amino acids, DNA, and mRNA
In order for a cell to create a protein, DNA must first be transcribed into mRNA. After the mRNA leaves the nucleus, it can be translated at a ribosome. Here, mRNA forms base pairs with a tRNA, which carries a specific amino acid. The amino acids form a long chain that makes a protein.
what is a photon?
a. wave of light
b. massless bundle of electromagnetic energy
c. description of the energy in a light wave
d. device used to diffract light
Answer:
The answer is B.
Explanation:
Photons are particles of electromagnetic energy, which would include radio waves including microwaves, light including infrared, visible and ultraviolet, X-rays, gamma rays, and some cosmic rays. Although photons have no rest mass, they nevertheless have energy, linear momentum, and spin.
A photon is a quantum of electromagnetic energy with zero rest mass and no electric charge. It is a fundamental particle that exhibits both wave-like and particle-like properties, described under the principle of wave-particle duality in quantum mechanics. The correct answer to the nature of a photon is a massless bundle of electromagnetic energy.
A photon is a fundamental concept in physics, particularly in the field of quantum mechanics. It is best described as a quantum of electromagnetic energy, which implies that it is the smallest indivisible particle of light or electromagnetic radiation. This means it acts like a particle, although it also exhibits wave-like behaviors, a duality that is central to quantum physics.
Photons are unique because they have zero rest mass and no electric charge, allowing them to travel through space at the speed of light. They carry energy and momentum which can be absorbed or emitted by atoms and molecules, leading to various phenomena such as the photoelectric effect and the emission spectra. The energy of a photon is directly proportional to its frequency and can be expressed using Planck's constant. The question inquires about the nature of a photon, and the correct answer is b. massless bundle of electromagnetic energy, as it encapsulates the essence of what photons represent in the realm of physics.
Select the choice that best completes the following sentence:
The synapse separates ______ from ______.
A.
sensory nerves; sense organs
B.
axon; myelin sheaths
C.
motor neurons; muscle tissue
D.
CNS; PNS
E.
synaptic terminals; dendrites
Correct option is E. The synapse separates synaptic terminals from dendrites, which is option E. A synapse is the junction allowing neural communication and is composed of the synaptic terminals of the presynaptic neuron and the dendrites of the postsynaptic neuron, with the synaptic cleft in between.
The choice that best completes the following sentence: The synapse separates synaptic terminals from dendrites is E. A synapse is the structure that allows neurons to pass signals to individual target cells. A synapse consists of the presynaptic end (or synaptic terminals) of one neuron and the postsynaptic end (or dendrites) of another neuron, separated by a small gap known as the synaptic cleft.
Which Best describes the purpose of a bar graph?
The purpose of a bar graph is to show the relationships between different data by showing a quantity or amount for each category.
A bar graph (also known as a bar chart or bar diagram) is a visual tool that uses bars to compare data among categories. A bar graph may run horizontally or vertically. ... The graph represents categories on one axis and a discrete value in the other. The goal is to show the relationship between the two axes.
Which of the following is a correctly balanced equation?
B. is the answer because the number of moles of the reactants is equal to the number of moles of the products
Answer : The correct balanced equation is,
[tex]2HgO\rightarrow 2Hg+O_2[/tex]
Explanation :
Balanced chemical equation : It is defined as the number of atoms of individual elements present on reactant side must be equal to the product side.
The balanced chemical reaction is,
[tex]2HgO\rightarrow 2Hg+O_2[/tex]
This chemical reaction is balanced reaction because in this reaction, the number of atoms are balanced on both the sides.
While the other equations are not balanced because the number of atoms are not balanced on both the sides.
Hence, the correct balanced equation is,
[tex]2HgO\rightarrow 2Hg+O_2[/tex]
What is the placenta, and what is its role in fetal circulation?
The prenatal circulation of blood is different than the postnatal circulation, mainly because the lungs are not in use. The fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord. Blood from the placenta is carried to the fetus by the umbilical vein.
Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a. Biosphere
b. Biome
c. Population
d. Abiotc
e. Ecosystems
f. Biodiversity
g. Food Chain
h. Aquatic
i. Community
j. Biotic
1. Non-living factors in an ecosystem.
2. A large region of land with a distinct climate and certain types of plant and animals.
3. All the life on Earth.
4. Meaning 'water.'
5. The variety of organisms in a specific environment or Earth as a whole.
6. All of the populations sharing a specific area.
7. All the living populations in an area along with the nonliving parts of that environment.
8. Path of food energy from the sun to the producer to a series of consumers.
9. All the members of a species living in a particular area at a particular time.
10. Living factors in an ecosystem.
Answer: Non-living factors in an ecosystem.
2. A large region of land with a distinct climate and certain types of plant and animals.
Explanation:
. Biosphere
b. Biome
c. Population
d. Abiotc
e. Ecosystems
f. Biodiversity
g. Food Chain
h. Aquatic
i. Community
Final answer:
The lettered items correspond to various ecological terms and have been successfully matched with their definitions. Abiotic and biotic components, ecosystems, biomes, biosphere, aquatic, biodiversity, community, food chain, and population are matched to their appropriate descriptions.
Explanation:
To match the lettered items with the correct numbered items:
Abiotic factors in an ecosystem. d. AbioticA large region of land with a distinct climate and certain types of plants and animals. b. BiomeAll the life on Earth. a. BiosphereMeaning 'water.' h. AquaticThe variety of organisms in a specific environment or Earth as a whole. f. BiodiversityAll of the populations share a specific area. i. CommunityAll the living populations in an area along with the nonliving parts of that environment. e. EcosystemsPath of food energy from the sun to the producer to a series of consumers. g. Food ChainAll the members of a species living in a particular area at a particular time. c. PopulationLiving factors in an ecosystem. j. BioticNeed help with biology homework question 6
Answer:
Explanation:
Step 1 DNA Replication starts at the Origin of Replication
Step 2
Helicase cuts hydrogen bonds then separates DNA in half
Step 3
Single Strand Binding Proteins connects to the halves and keep the DNA molecules separated (they are needed because the sides are attracted to each other and with out the Single Strand Binding Proteins they would move back together)
Step 4
In the leading strand, RNA Primase moves along nucleotides and coats with a RNA Primer that will be used as a homing beacon for the DNA Polymerase.
Step 5
DNA polymerase attaches post primase to DNA nucleotides and move along towards the Replication Fork. It adds nucleotides to the half DNA molecules.
Step 6
Another type of Polymerase replaces the primer with DNA nucleotides
Step 7
7. Ligase reconnects the gaps.
Explain how and where urbanization occurs
Urbanization usually occurs when a country is still developing.
F.8.4A - An allele carried on a Y chromosome will affect
A.) all of the female offspring.
B.) some of the male and female offspring.
C.) the male offspring.
D.) none of the offspring.
Answer:
C.) the male offspring.
Explanation:
Only males have XY chromosomes so therefore it is impossible that a female is affected by a Y allele.
An allele carried on a Y chromosome affects only the male offspring. Hence the correct answer is C.
An allele carried on a Y chromosome will affect the male offspring. This is because females have two X chromosomes (XX) and are therefore unable to inherit Y-linked alleles. Males, on the other hand, have one X and one Y chromosome (XY), and the Y chromosome is inherited from their father. This means that any allele present on the Y chromosome will only be transmitted from father to son, affecting only the male offspring. An example of a trait determined by a Y-linked allele is hairy pinna, which only males can inherit and express. This genetic transmission principle underscores the distinct mechanisms of sex-linked inheritance, contrasting with traits linked to the X chromosome or autosomal traits.
Seasons are caused by ____. (1 point)
a).Earth’s rotation
b.) precession
c.)Earth’s tilted axis
d.)Earth’s distance from the sun
Answer:
Earth's tilted axis
Explanation:
The axial tilt of the Earth causes either the northern or southern hemisphere to be closer to the sun, causing seasons
a).Earth’s rotation
This causes the day night cycle, not seasons.
b.) precession
Precession is the movement of the earth's axis in its orientation with its orbit, for example the orbit changing from lets say 15 to 20 degrees.
d.)Earth’s distance from the sun-
If this were true, all the earth would have the same seasons, but they do not.
Seasons are primarily caused by Earth's tilted axis. This tilt, combined with Earth's orbit around the Sun, results in different parts of Earth receiving different amounts of sunlight at different times of the year, creating the seasons.
Explanation:The seasons are primarily caused by Earth’s tilted axis, which is angled at about 23.5 degrees relative to its orbital plane. As the Earth orbits the Sun, this tilt causes different parts of the Earth to receive varying amounts of sunlight at different times of the year. In the summer months, the hemisphere tilted towards the Sun experiences longer, sunnier days, (i.e., summer), while the hemisphere tilted away experiences winter. Conversely, during winter, the hemisphere tilted away from the Sun experiences shorter, darker days. Earth’s rotation and precession do affect the Earth’s climate but are not the primary causes of the changing seasons. Similarly, Earth’s distance from the Sun varies slightly due to its elliptical orbit but doesn’t significantly affect the seasons.
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What must the grasses be able to do to survive?
A The grasses must be able to outcompete cacti and yucca plants for shelter from
storms.
B The grasses must be able to outcompete cacti and yucca plants for minerals in
mountain rocks.
C The grasses must be able to outcompete cacti and yucca plants for shade.
D The grasses must be able to outcompete cacti and yucca plants for water.
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3
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18
D. Must be able to outcompete cacti and yucca plants for water
A solar system has the four planets shown below. All of them have the same mass. Four circles labeled Planet A, Planet B, Planet C, and Planet D are shown inside a rectangle. Planet A is close to the top edge of the rectangle near the middle of the top edge. Planet B is slightly below Planet A and towards the right of Planet A. Planet C is close to the left edge of the rectangle near its center. Planet D is near the right corner of the lower edge of the rectangle. Planets A and B are closest to each other and Planets D and C are farthest from each other.
Between which two planets is the gravitational attraction the strongest? Planet A and Planet B Planet A and Planet D Planet B and Planet C Planet C and Planet D
A solar system has the four planets shown below. All of them have the same mass. Four circles labeled Planet A, Planet B, Planet C, and Planet D are shown inside a rectangle.
Planet A is close to the top edge of the rectangle near the middle of the top edge. Planet B is slightly below Planet A and towards the right of Planet A.
Planet C is close to the left edge of the rectangle near its center. Planet D is near the right corner of the lower edge of the rectangle.
Planets A and B are closest to each other and Planets D and C are farthest from each other.
Between which two planets is the gravitational attraction the strongest?
Planet A & Planet B
Answer:
A and B
Explanation:
Due to them being close to each other casuing them to have a strong gravitational attraction to each other.
Hope this is helpful!
How does the hydroelectric dam picture here impact the environment?
By releasing toxic chemicals in their emissions
By generating Significant heat that artificially warms nearby water
By producing greenhouse gases
By blocking fish migration
Answer:
By blocking fish migration
Explanation:
By releasing toxic chemicals in their emissions
Hydroelectrics only emissions are usually, non harmful electromagnetic signals.
By generating Significant heat that artificially warms nearby water
Possible, but they do not produce much significant heat
By producing greenhouse gases
No, just no- its magnets that are water moved, no room for greenhouse gasses..
By blocking fish migration
It is a dam, blocking a river, with fish in it.
By blocking fish migration the hydroelectric dam will impact the environment.
Because the emissions they produce include hazardous substances. The only pollutants that hydroelectric power typically produces are electromagnetic pulses that are harmless. By producing a significant amount of heat, which artificially heats the water in the surrounding area.
Although they do not generate a considerable amount of heat, they are a possibility. Because of the emission of greenhouse gases. No way, absolutely not; the water is propelled by magnets, and there is no place for greenhouse gases. By impeding the movement of fish. There are fish in the river that is being blocked off by the dam.
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What is the function of the mitochondria?
A.
to secure the nucleus at the center of a cell
B.
to provide energy for the cell
C.
to provide immune defense for the cell
D.
to move materials in and out of the cell
Answer:
a
Explanation: