Mr. Kim's classroom garden scenario involves herbicides, which are chemicals used to control weeds, making this a Biology-related question. Three types of control methods in managing weeds are chemical, biological, and cultural control. Herbicides can vary in selectivity and persisted effects, and it's essential to handle them correctly to avoid potential health risks.
Explanation:The story of Mr. Kim's classroom garden involves the use of a weed killer or a herbicide, thus it falls under the field of biology. Herbicides are chemicals that can control or kill unwanted plants such as weeds. They can be non-selective (kill all types of plants) or selective (kill specific types of plants while sparing others). For example, 2,4 D is a selective herbicide that kills most broadleaf plants but spares grasses.
Mr. Kim's approach to weed control in their classroom garden is a type of chemical control, one of the three methods to manage weed populations. The other two are biological control (using living organisms to reduce weed populations) and cultural control (modifying the environment to deter weed growth).
It's important to understand that while the usage of herbicides can be effective, they can also present health risks if humans or other non-target organisms are exposed. Therefore, proper application and management are crucial.
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Photosynthesis takes place in plants and plant like organisms. What do plants absorb from the air? Why is this
beneficial to the environment?
Answer:
Plants take in Carbon Dioxide and filter it releasing oxygen.
Answer:
The answer is "Plants take in Carbon Dioxide and filter it releasing oxygen."
Explanation:
The actual location of the north pole is also known as:
a magnetic north
c. true north
b. actual north
d. none of the abov
Please select the best answer from the choices provided
o oo
measuring the
volume of an
object you are
finding the
A. single dimension of
an object.
B. amount of two
dimensional space an
object covers.
C. amount of three
dimensional space the
object occupies.
D. amount of four
dimensional space an
object occupies.
Answer:D. The amount of space occupied by a three-dimensional solid object.
Explanation:
Explain the structure and function of enzymes
Answer:
Enzymes are a defined amino acid sequence with a defined three-dimensional structure, and are typically 100-500 amino acids long. Enzymes catalyze the chemical reactions that happen inside living things without themselves becoming altered.
Explanation:
Why does liquid water have such a high heat capacity?
Choose 1 answer:
(Choice A)
Water is a nonpolar molecule.
(Choice B)
Water molecules are packed very closely together.
(Choice C)
Water is a linear molecule which makes absorbing heat easier.
(Choice D)
Water molecules are good at forming and breaking hydrogen bonds.
Answer:
Choice D
Explanation:
Water molecules exhibit hydrogen bonded to oxygen, which is considered a hydrogen bond. This is the strongest type of bond and is not easily broken. Once formed, a large amount of heat is needed to disrupt the bond energy and break apart the molecule. Therefore, water has a high heat capacity and can withstand higher temperatures than that of some other liquids.
The image below shows a weather service map. A weather service map. Lines are connecting points of equal air pressure. Lines are connecting points of equal air temperature. High and low pressure systems, and warm and cold fronts are marked. Which details best describe this map? Select three options. shows isobars shows isolines shows types of precipitation was created for newspapers was probably used by meteorologists
Answer:
A B E
Explanation:
took quiz ed2020
Answer:
A B E
Explanation:
Trust me on this, also can I have brainiest please?
Hope you do well! :D
Write the slope intercept equation for the line with a slope of -3 that goes through the point (-2,1)
Answer:
y=2/1x-3 (i think)
Explanation:
Which of these could represent the second step of inquiry?
Monica predicts that the warm setting on the washing machine
will get clothes the cleanest.
O
B. Monica washes three separate loads of very dirty laundry: one on
the cold setting, one on the warm setting, and one on the hot
setting.
O
C. Monica wonders which temperature setting on the washing
machine gets clothes the cleanest.
O
D. Monica writes down what three loads of laundry look like before
and after she washes them on the cold, warm, or hot setting.
Answer:
the ANswer is b
Explanation:
What could happen if the average temperature increased in an ecosystem?
• Populations of all organisms would increase because of the higher temperatures.
Organisms would quickly adapt to the change,
All organisms would die because of the change
Some organisms would not be welt-adapted to the higher temperatures
Answer:the earth would be to hot for a human or a palnt to handle the heat
Explanation:
1. When the temperatures of materials that are in contact are
the same, the materials are said to be in thermal convection,
to without passing
Answer:
themometer
Explanation:
Final answer:
Thermal contact occurs when two objects are close enough to permit heat transfer. Conduction is the transfer of heat through a material without the material itself moving. This continues until thermal equilibrium is reached, where no heat flows between the objects in contact.
Explanation:
When talking about materials in contact and their temperatures, we refer to the concept of thermal contact. This occurs when two objects are in such close proximity that heat transfer can occur between them. An important principle related to thermal contact is thermal equilibrium, which is the condition where objects in thermal contact no longer exchange heat, as they have reached the same temperature.
Heat transfer can take place in different ways, one of which is conduction. Conduction is the transfer of heat through a stationary material, without the movement of the material itself. The material through which heat is being transferred is known as a thermal conductor. Heat will naturally flow from the hotter object to the cooler one until thermal equilibrium is reached.
An example of conduction is when heat is transferred from the electric burner of a stove to the bottom of a pan despite there being no movement of the material of the pan; the motion of atoms and molecules at the microscopic level facilitates this heat transfer.
Which list gives the proper sequence of energy changes that occur in a hydroelectric plant?
A Electrical energy is transferred via power lines
The turbine blades capture the kinetic energy of the water
The generator produces electrical energy
The mechanical energy of the turbine rotates the generator parts
B The mechanical energy of the turbine rotates the generator parts
The turbine blades capture the kinetic energy of the water
Electrical energy is transferred via power lines
The generator produces electrical energy
C The generator produces electrical energy
The mechanical energy of the turbine rotates the generator parts
The turbine blades capture the kinetic energy of the water
Electrical energy is transferred via power lines
D The turbine blades capture the kinetic energy of the water
The mechanical energy of the turbine rotates the generator parts
The generator produces electrical energy
Electrical energy is transferred via power lines
D
Explanation:
Flowing water has intrinsic kinetic energy that is harnessed to rotate the turbine. The turbine rotates hence gains mechanical energy because it is doing work. This work is used to rotate a dynamo of a generator which generates electricity. The mechanical energy is thus converted into electric energy by the dynamo. The electric energy is then carried by the power lines to the users.
Answer:
d
Explanation:
3. a. Reviewing How does a mutation in a gene
affect the order of DNA bases?
Final answer:
A mutation in a gene alters the DNA sequence, potentially impacting the amino acid sequence of a protein. Substitutions may have minimal or significant effects, while insertions or deletions can lead to frameshift mutations with extensive consequences.
Explanation:
A mutation in a gene can result in changes to the order of DNA bases. Three common types of mutations are substitution, insertion, or deletion. In the case of substitution, one base is replaced by another, which may or may not affect the amino acid sequence, depending on whether the new codon codes for a different amino acid or the same one (due to the redundancy in the genetic code).
An insertion or deletion can have more drastic effects. These mutations can lead to a change in the reading frame, known as a frameshift mutation, potentially altering the entire amino acid sequence downstream of the mutation. For example, consider the sequence 5'-ATGGCAATCCTCAACGCTGT-3'. If an insertion occurs after the start codon AUG, this addition could shift the reading frame and change the way codons are read, thereby changing the amino acids encoded by these codons.
The effect of a mutation on the protein's amino acid sequence depends on its location and type. Using Figure 19.14 "The Genetic Code" as a reference, one can predict the specific consequences for the protein sequence. In the example of a substitution from AUU to AUC, this would be a silent mutation since both codons code for the amino acid Isoleucine. However, if the mutation results in a codon for a different amino acid or a stop codon, it could lead to a missense or nonsense mutation, respectively, dramatically impacting the protein structure and function.
How do the number of chromosomes in cells that go through meiosis and mitosis compare?
A.
Cells that go through meiosis have half as many chromosomes as cells that go through mitosis.
B.
Cells that go through meiosis have one-fourth as many chromosomes as cells that go through mitosis.
C.
Cells that go through meiosis have twice as many chromosomes as cells that go through mitosis.
D.
Cells that go through meiosis have four times as many chromosomes as cells that go through mitosis.
Answer: Option A is correct.
Cells that go through meiosis have half as many chromosomes as cell that go through mitosis. Meiosis is that's why called REDUCTION DIVISION.
Explanation:
In meiosis, the number of chromosomes becomes half or reduced than the normal while, in mitosis the number of chromosomes remains the same.
In meiosis, daughter cells have half the number of chromosomes compared to those produced in mitosis. Therefore, the correct answer is A. Cells that go through meiosis have half as many chromosomes as cells that go through mitosis.
The correct answer is A. Cells that go through meiosis have half as many chromosomes as cells that go through mitosis.
Before meiosis begins, the parent cell is diploid, with 46 chromosomes.After meiosis, four haploid cells are produced, each with 23 chromosomes.In mitosis, the parent cell also starts with 46 chromosomes, but after division, each of the two resulting cells retains 46 chromosomes.This means that meiosis reduces the chromosome number by half, while mitosis maintains the same chromosome number.Why Other Options Are Incorrect
Option B: Cells that go through meiosis do not have one-fourth as many chromosomes as cells that go through mitosis; they have half.Option C: Cells that go through meiosis do not have twice as many chromosomes as cells that go through mitosis; they have half.Option D: Cells that go through meiosis do not have four times as many chromosomes as cells that go through mitosis; they have half.Conclusions _____.
a. are experimental factors which do not change
b. can only be made if the hypothesis is proven true
c. are made from careful analysis of data
d. are formed before the experiment begins
The answer is C because conclusions are usually drawn at the end of an experiment, after going over the data you've collected while experimenting.
Which of the following types of electromagnetic radiation has the greatest energy
Answer: Gamma Rays
Explanation: They have the shortest wavelength, so they are the most intense ones. It might help to associate it with the Hulk.
Answer:
Gamma rays (γ)
Explanation:
Whatever your options are, if Gamma rays is one of the options, choose it. Gamma rays have the highest energies because they have the shortest wavelengths, and the highest frequencies among all other electromagnetic radiation.
How can you combat global warming?
A) keep the air conditioning on
B) move to a cooler climate
C) avoid eating fish
D) turn off the lights when you leave a room
Definition: These are the standards that determine a scientists behaviors, right or wrong
Example: Is stem cell research right or wrong?
Answer:
Ethics
Explanation:
Scientific ethics are a set of moral standards that help to define right and wrong, helping to guide decision making when carrying out scientific research.
Sometimes scientific ethics can be highly complicated and there is often no clear "right" and "wrong", which is why guidelines for best practices are extremely important with controversial research topics like stem cell research.
Ethics guides decision making from what research is allowed to be carried out (e.g. animal testing) to reporting of results (e.g. making sure that results are accurate).
Scientific ethics is so important, that there is an entire branch of biology dedicated to it, called bioethics.
Answer:
Ethics
Explanation:
You will get the answer correct! :)))
11) Which taxonomic group has the most species? Please answer ASAP
Answer: Kingdom
Explanation:
The linnaean system of classification used in taxonomy start from highest (most general category) to the lowest level as follows: Kingdom --> phylum/division --> class --> order --> family --> genus --> species.
Thus, since the first level (Kingdom) require species to have the least number of common features, the most species are found in it.
For instance: living organisms of all species are classed into just 5 kingdoms whereas over a billion species exist.
How do humans get phosphorus from the environment?
A) precipitation
B) evaporation
C) mining
D) agriculture
Answer:
C
Explanation:
phosphorus is considered as a material which could be found underground and can be harvested by mining
to which two molecules does transfer RNA attach
Answer: messenger RNA and amino acids.
Explanation: A transfer RNA (tRNA) is a type of RNA whose function is to fetch and match the corresponding amino acid to the codon on the mRNA during translation. A tRNA has a three nucleotide sequence known as anticodon through which it attaches to the codon on the mRNA molecule. During translation, the codons on the mRNA molecule is read one after another by the ribosome while the tRNA attaches itself to the mRNA codon that is being read through its anticodon. The tRNA then fetches the corresponding amino acid from the cytosol and attaches it to the growing polypeptide chain.
Transfer RNA (tRNA) attaches to two specific molecules, amino acids, and messenger RNA (mRNA), during protein synthesis. Aminoacyl tRNA synthetases link the amino acid to tRNA, and the tRNA's anticodon binds to the mRNA's codon to correctly position the amino acid for incorporation into the protein.
Explanation:Transfer RNA, or tRNA, is crucial for the synthesis of proteins. The two specific molecules that tRNA attaches to are amino acids and messenger RNA (mRNA). The tRNA picks up free amino acids in the cytosol and transfers them to the ribosome, where protein synthesis occurs. At the ribosome, the tRNA recognizes specific three-nucleotide sequences called codons on the mRNA through its anticodon. The anticodon-codon interaction allows for the amino acid to be correctly added to the growing polypeptide chain.
tRNA molecules interact with various factors during this process, including aminoacyl tRNA synthetases, which attach the correct amino acid to the tRNA, and the ribosome itself, which facilitates the assembly of the amino acids into a protein. There are numerous types of tRNA, each corresponding to one or more codons that specify a particular amino acid.
Convert 145.0 mm to meters and express the answer to the correct number of significant digits.
Answer:
0.1450 meters
Explanation:
we know that
The magnitude of a quantity to a specific degree of accuracy is known as significant digits.
According to the multiplication and division rules of significant digits, the least number of the significant digit in any number of the problem determines the number of significant digit in the answer.
Remember that
[tex]1\ mm=0.001\ m[/tex]
so
[tex]145.0\ mm=\frac{145.0\ mm}{1\ mm}(0.001\ m)=0.1450\ m[/tex]
In 145.0 mm, there are 4 significant digits and in 0.1450 m. there are 4 significant digits.
so
The correct number of significant digits is 4
therefore
the correct answer is, 0.1450 meters
Without the process of transpiration, what might happen to a plant?
It might turn orange.
It would grow more slowly.
It would have fewer leaves.
It might burst.
Answer:
Without the process of transpiration, plant might turn orange. It is because of wilting occur in plants. Transpiration is very important for plants growth and survival. Transpiration helps in the uptake of water from the soil. This water is used in the process of photosynthesis. Without this water, the plant wilts due to the removal of water from plant body and plant die. So transpiration is very important for plants.
♡ The Question ♡
-Without the process of transpiration, what might happen to a plant?
* ୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ The Answer ♡
-It might burst.
*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ The Explanation/Step-By-Step ♡
-Due to excess water, the plant might burst.
*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*
♡ Tips ♡
-No Tips provided!
Which of the following is a confirmatory test used to reveal the presence of blood with high accuracy?
Kastle-Meyer test
ABAcard HemaTrace test
Hemoglobin test
Anti-sera test
Answer:
The answer is Kastle-Meyer test..
The Direct Coombs' test is a confirmatory test used to reveal the presence of blood with high accuracy. It identifies specific antibodies bound to red blood cells using hemagglutination, a process also employed in cross-match tests prior to blood transfusions.
Explanation:The answer to the question, 'Which of the following is a confirmatory test used to reveal the presence of blood with high accuracy?' is the Direct Coombs' test. This test uses a special reagent known as Coombs' reagent to cross-link antibodies bound to red blood cells, facilitating hemagglutination. Hemagglutination is the clumping together of red blood cells - a process that will occur if a person has antibodies against certain substances.
Another type of test which makes use of hemagglutination is the cross-match test, carried out prior to blood transfusion. It entails mixing a small part of the donor's red blood cells with serum from the patient who is to receive the transfusion. If the recipient has antibodies against the donor red blood cells, hemagglutination will occur.
These tests help to ensure the compatibility of blood for transfusions and can be used to detect specific antibodies in a person's blood, thereby revealing the presence and quantity of certain bacteria or viruses. Therefore, they serve as important tools in medicine for accurate diagnosis and successful blood transfusions.
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What happens after an atom stores energy from passing electrons?
Answer: the electrons lose some or all of the excess energy by emitting light.
Explanation: These levels are called energy states. ... When an electron in an atom has absorbed energy it is said to be in an excited state. An excited atom is unstable and tends to rearrange itself to return to its lowest energy state. When this happens, the electrons lose some or all of the excess energy by emitting light.
please give brainliest!
Answer: the electrons lose some or all of the excess energy by emitting light.
Explanation: When an electron is hit by a photon of light, it absorbs the quanta of energy the ... Electrons therefore have to jump around within the atom as they either gain or lose ... When electricity is passed through the diode it glows with a characteristic color telling you that the device is working, switched on and ready to do it's work.
you can give the brainliest the other person! he is my friend!
This graph shows three types of species based on the different patterns of survivorship.
Which survivorship strategy is used by the type I species?
Answer:
having high death rates
Explanation:
Answer: having few offspring
Explain how the earth surface can change as a result of global warming ?
Answer: the earths surface can change due to global warming in many different ways. some of them being and increase in average temperatures and temperature extremes, extreme weather events, ice melt, and sea levels and ocean acidification
Explanation:
Answer:
Global warming can lead to changes to the Earth’s surface through the melting of glaciers. This can lead to rising sea levels, causing flooding. Antarctica’s land mass is being decreased by the process.
Explanation:
sample answer on edge
Based on the information in the table, which of the following changes is least likely to produce a phenotypic
change in an organism?
A. GAU to GGU
B. GAU to GUU
C. GAU to GAA
D. GAU to GAC
GAU to GAC is least likely to change phenotype of an organism.
Explanation:Phenotype of an organism is defined as the physical characteristics of an organism. This phenotype is dependent on the genotype of the organisms. This means the phenotypic characters are actually the expressions of the genes of the organisms. Now the genes are expressed in form of codons that are the three nitrogen base sequences. Each codon codes for a particular amino acid which in turn polymerises to from the protein which actually forms the phenotype of the organism.
Now there are 20 amino acids and 64 codons. Thus there are more than 1 codons for a single amino acid. So, if a codon is replaced by another codon which codes for same amino acid, then the phenotype is least likely to be affected.
Both the GAU and GAC codes for aspartic acid. So the phenotype won't be affected much by this mutation
Which term refers to the orientation of a spacecraft relative to a line of reference or its own direction?
angle
attitude
alignment
altitude
Answer:
attitude
Explanation:
because it show's the respect you have for other people
Answer:
altitude
Explanation:
because it refers to a spacecraft
What are the two steps of protein synthesis?
Answer: transcription and translation
Explanation:
Look it up?
Answer:
Transcription and translation
Transcription transfers genetic instructions from DNA to mRNA in the nucleus.
what are the advantages of a cell being so small, explain please
Answer: The main point about our cells being small is that they are all around faster and more efficient. Cells have such a small size for their own benefit. They are small in size to allow nutrients and other materials to diffuse through the cell membrane, they keep a small ratio of surface area to volume.