Answer:
A,C,G
Explanation:
I hope I answered this question right
Which defines a cell?
A. microscopic organism I in water
B. protein molecules in animals
C. the basic unit of living things
D. the smallest type of animal
Answer:
C
Explanation:
Identify the statements that are examples of ""color-blind racism. "".
Color-blind racism is a form of racism that claims not to see or consider race, but still reinforces racial inequality through denial and minimization of racism. Here are some examples of statements that are considered as color-blind racism:
1. "I don't see color, I treat everyone equally"
2. "I have friends of all races, so I can't be racist"
3. "I don't believe in affirmative action because it's reverse racism"
4. "All lives matter, not just Black lives"
5. "I don't see how slavery or discrimination from the past affects people today"
6. "I don't think racism is a problem anymore, we have a Black president"
7. "If minorities just worked harder, they could be successful like everyone else"
8. "I don't see why we need to talk about race, it only creates division"
9. "I don't understand why people get offended by racial jokes, it's just humor"
10. "I'm not racist, I have a Black/Asian/Latino friend or spouse"
To identify the statements that are examples of "color-blind racism", you should look for phrases or sentences that:
1. Deny the existence of racial inequalities or discrimination.
2. Disregard the impact of race on a person's experiences or opportunities.
3. Use universal terms, such as "we're all the same" or "I don't see color", which minimize the importance of race in society.
Examples of color-blind racism statements might include:
- "Everyone has the same opportunities in life, regardless of their race."
- "I treat all people equally, so I don't need to worry about racism."
- "Race doesn't matter; it's all about individual merit and hard work."
Remember to be cautious of statements that seem to promote equality but inadvertently dismiss the significance of race and the existence of racial disparities.
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A group of students investigated the effect of soaking small onion bulbs in different concentrations
of sodium chloride solution. They peeled off the outer papery leaves of the onion bulbs and divided
the onions into 6 batches, each with 10 onions.
The onions were surface dried with paper towels and weighed. The mean mass of the onions in
each batch was calculated. The onions were then left in sodium chloride solutions for three hours.
After three hours the students surface dried the onions and weighed them again. Their results are
given in Table 2.1.
Calculate the percentage change in mass of the onions that were in the most concentrated solution of sodium chloride. Show your work. Write your answer in Table 2.1.
Explain why the students calculated the percentage change in mass of the onions.
Answer:
This question is incomplete
Explanation:
This question is incomplete but the missing table of the question is attached in the document below.
To determine the percentage change in mass, the formula below is used
(mean mass after soaking - mean mass before soaking)/mean mass before soaking × 100
Thus, for the last concentration (200 g/dm³) that wasn't calculated
(175 - 183)/183 × 100 = -4.4
The reason for calculating the percentage change in mass of the onions is to know if an increase in concentration of sodium chloride leads to an increase or decrease in size of onions. And from the result, the increase in concentration of the sodium chloride solution led a decrease in size of the onion (thus the reason for the negative sign of the percentage as the concentration increases).
Calculating the percentage mass difference will help student to plot a graph. The percentage change in mass in most concentrated solution is -4.4%.
Osmosis:
It is the process by which solvent molecule move from its high concentration to its low concentration via a semipermeable membrane.
The percentage change in mass can be calculated using the formula,
\(\bold {M = \frac{Mf - Mi}{Mi \times 100} }\)
Where,
M - mass percentage
Mf - Mi - change in mass
Mi - initial mass
For most concentrated solution,
Mass difference = 8
\(\bold {M =\frac{ 8}{183} \times 100}} \\\\\bold {M = -4.4}\)
The percentage change in mass in most concentrated solution is -4.4%.
They calculated the percentage mass difference to show the change in mass after putting into the solution.
Therefore, the increase in the concentration of the solution, decrease the final mass of onion.
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in photosynthesis, the carbon used to make sugars is
In photosynthesis, the carbon used to make sugars is derived from carbon dioxide (CO2) present in the air.
Photosynthesis is a biological process used by plants, algae, and certain bacteria to transform light energy from the Sun into chemical energy in the form of organic compounds (carbohydrates). Photosynthesis produces oxygen gas and consumes carbon dioxide gas in the atmosphere.
Carbohydrates, often known as sugars, are a class of biological molecules that include sugars, starches, and cellulose. Plants manufacture their own food via photosynthesis, and they utilize these sugars as a source of energy. Animal cells cannot create their own food and must consume it from other sources.
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when an individual is stressed, which glands produce the nonspecific physiologic responses of the general adaptation syndrome? select all that apply.
The adrenal glands are responsible for the general adaption syndrome's non-specific physiological reactions to stress.
The Canadian scientist Hans Selye developed the term "general adaptation syndrome" (GAS) to characterise the body's reaction to stress. The alert stage, the resistance stage, and the weariness stage are the three stages of the GAS, according to Selye. Namely, the adrenal cortex generates the hormone cortisol, which raises blood sugar levels and inhibits the immune system, and the adrenal medulla produces adrenaline (epinephrine), which triggers the "fight or flight" response.
Hence, the glands that generate the general adaptation syndrome's nonspecific physiologic reactions under stress are:
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Which is a black rat snake considered?
carnivore
herbivore
omnivore
Answer:
Carnivore
Explanation:
Carnivore is an animal that eats meat.
Omnivore eats both plants and meat.
Herbivore only eats plants.
Hope this helps :)
If you know this help please !!
Answer:
shipping
Explanation:
Some invasive species obviously can't swim. Others cannot walk either. MOst are spread by human activity.
2.2. Which of the following is NOT a type of animal hair which may be found at a crime
scene?
(25 Points)
A. Pelts and furs
B. Wild game
C. Domestic
D. Fibers
Answer:
Diber
Explanation:
The branch of science used for criminal investigation and sample analysis with biological methods to find the proof and clues for the crime is called forensic science. It utilizes the genetic makeup of the organism to catch the culprit based on the evidence collected.
Wild game is not a type of animal hair that may be found at a crime.
Why hair is used for forensics?Hairs and other samples like blood, nails, clothes and other stains can be used for the investigation of the culprit in forensic sciences. The hair sample can be used for the DNA analysis of the culprit by screening the sample and are checked and is tested for suitable culprit match. The hair sample can be a piece of good evidence for testing as it can last longer and the elements of it do not degrade at a fast rate.Therefore, option B is correct.
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DNA is the hereditary molecule that determines hair color in humans. However, the DNA molecule itself is colorless. How does DNA determine the hair color of individuals?
Answer:
This question lacks options, the options are:
A. The sequence of DNA determines the structure of lipids, which produce phenotypes.
B. The sequence of DNA determines the structure of proteins, which produce phenotypes.
C. The sequence of DNA determines the structure of phosphates, which produce phenotypes.
D. The sequence of DNA determines the structure of carbohydrates, which produce phenotypes.
The answer is B.
Explanation:
DNA is the genetic material found in the genome of living organisms. DNA holds the information needed for the synthesis of useful products in an organism. DNA contains segments called GENES that encodes the biological molecule, PROTEINS, which is responsible for the trait exhibited by organisms.
An example of trait in humans is human color, which is encoded by DNA. However, this DNA does not directly produce hair color in humans but the information held in it undergoes expression to produce protein called MELANIN, which is responsible for the hair color trait. Hence, the sequence of DNA determines the structure of proteins, which produce phenotypes (hair color).
What is the diagram MOST LIKELY demonstrating?
A
Mutation
B
Crossing over
C
Random fertilization
D
Independent assortment
Part B:
Which statement BEST supports the choice made in Part A?
A
The diagram shows four daughter gametes that have exchanged genetic information between chromatids.
B
The diagram shows four unique gametes that are the result of receiving one random allele from each parent.
C
The diagram shows four unique gametes that are the result of two chromosomes separating in different ways.
D
The diagram shows four daughter gametes that incorrectly contain fewer chromosomes than the parent cells.
portion of an organism's genetic code. The very long, thin DNA fibres in most chromosomes are covered with packaging proteins; in cells of eukaryotic organisms, the histones are the most significant of these proteins. The genetic code of an organism is stored on long, coiled-up strands of DNA called chromosomes.
They are often visible beneath a microscope after cell division and are located in the nucleus of cells. Genes, which are unique DNA sequences which encode for the production of proteins along with other molecules required for an organism's growth and development, are found on chromosomes. Each human cell normally contains 46 chromosomes, of which 23 originate from each parent.
Therefore, the correct options for 1 and 2 are D and C respectively.
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The diagram most likely would be the diagonal
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Explanation:
Identify the genotype and phenotype of a heterozygous individual.
How are peptide bonds broken? Does this need to be catalyzed? If so, how? Explain.
Peptide bonds are broken through a process called hydrolysis, which involves the addition of a water molecule to the bond. This reaction is facilitated by enzymes called proteases or peptidases, which act as catalysts to speed up the process.
Proteases and peptidases have specific active sites that bind to the peptide bond in a substrate molecule, positioning it for the reaction. When the enzyme-substrate complex is formed, the protease catalyzes the hydrolysis reaction by lowering the activation energy required for the bond to break. This is achieved by stabilizing the transition state and providing an optimal environment for the reaction to occur.
During the reaction, the protease donates a proton (H⁺) to the amino group of the peptide bond and accepts a proton from the carboxyl group, allowing the water molecule to be added. As a result, the peptide bond is cleaved, and the two separate amino acids are released.
Overall, the breaking of peptide bonds requires the input of energy, typically in the form of a catalyst such as a protease. This process is essential for the regulation and modification of protein function in the body.
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what role do aminoacyl trna synthetases play in translation?
Answer:
president I think it is president
The study of environmental science:
Describe the key features of Inland Grey Box Grassy
Woodland.
The Inland Grey Box Grassy Woodland is characterized by the dominance of Eucalyptus microcarpa (Grey Box) trees, diverse grasses, and an open canopy structure. It supports high biodiversity, adapts to arid conditions, and provides valuable ecosystem services.
Here are the key features of this selected vegetation type:
1. Dominant tree species: The dominant tree species in the Inland Grey Box Grassy Woodland is Eucalyptus microcarpa, commonly known as the Grey Box. This species is a medium-sized to large tree that can reach heights of up to 20-30 meters. It has rough, fibrous bark that is greyish in color, hence the name "Grey Box."
2. Understory vegetation: The understory of this woodland typically consists of a diverse range of grasses, herbs, and shrubs. Some common grass species include Themeda triandra (Kangaroo Grass) and Poa labillardieri (Common Tussock Grass). These grasses are well-adapted to the local climate and soil conditions.
3. Canopy structure: The Inland Grey Box Grassy Woodland usually has an open canopy structure, with the Grey Box trees scattered throughout the landscape. This open structure allows for a moderate amount of sunlight to reach the ground, supporting the growth of diverse grasses and understory vegetation.
4. Biodiversity value: This vegetation community is known for its high biodiversity value. It provides habitat for a variety of wildlife, including birds, reptiles, mammals, and insects. The diverse plant species within this woodland support different ecological functions and provide food and shelter for various animals.
5. Adaptations to arid conditions: The Grey Box and other plant species in this woodland have adaptations that allow them to thrive in arid or semi-arid environments. For example, Grey Box trees have deep root systems that enable them to access water from lower soil layers. The grasses and herbs often have drought-resistant traits, such as deep roots or the ability to go dormant during dry periods.
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What would the complementary DNA bases for the strand ATTGAC be?
Answer: TAACTG
Explanation: Remember the base pairing rules: cytosine with guanine and adenine with thymine. To compliment the given strand, you'd have to choose the base that would pair with each individual nucleotide.
For example,
The pair to ACCTGAC would be TGGACTG.
Hope this helps,
Lacia
DNA bases for the strand ATTGAC is TAACTG which is the complementary base pairing rule adenine pairs with thymine and cytosine pairs with guanine.
What is DNA base pairing?Thymine, adenine, guanine, and cytosine are the four nitrogenous bases found in DNA. Adenine and thymine are joined by two hydrogen bonds, whereas guanine and cytosine are joined by three hydrogen bonds.
Base pairing that is complementary is what this is to create a DNA molecule, the DNA sequence of a gene must be copied, bases for the strand ATTGAC is TAACTG.
RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription (using a DNA strand as a template).
Therefore, DNA bases for the strand ATTGAC are TAACTG due to complementary base pairing.
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You learned wave behavior in class including absorption, transmission, reflection, and refraction.
How can you describe this behavior in the picture below?
Answer:
the image is refractive because he is inside the medium (water) and isn't reflecting on a flat surface (water surface)
a.) Describe a renewable energy source that would be appropriate for the area you live in. Explain why the characteristics of this energy source are appropriate for your area
b.) Describe one possible drawback of your energy source
Sunlight energy is the renewable source appropriate for the area we live.
What is renewable energy?Renewable energy refers to clean energy that comes from natural sources which are constantly replenished. For example, sunlight or wind. Our region gets sunlight with more intensity so we can conclude that sunlight is the energy source appropriate for our area.
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Match the definition to the term:
fuel made from living things
a) hydroelectric power
b) solar energy
c) nuclear fission
d) biomass fue
explain how the structure of enzyme molecules is related to the effect of pH on the activity of amylase
Answer:
Within the enzyme molecule, positively and negatively charged amino acids will attract. This contributes to the folding of the enzyme molecule, its shape, and the shape of the active site. Changing the pH will affect the charges on the amino acid molecules.
Explanation:
Enzymes are biological molecules that catalyze chemical reactions in living organisms. The structure of enzyme molecules plays a crucial role in determining their activity, as well as how they respond to changes in pH.
What is Amylase?Amylase is an enzyme that catalyzes the breakdown of starch into simpler sugars, such as glucose. The optimal pH range for amylase activity is between pH 6.7 and 7.0.
At this pH range, the enzyme is in its most active conformation, and the rate of the reaction is highest. However, at pH values outside of this range, the activity of amylase can be significantly reduced.
The structure of an enzyme molecule is critical for its function, and any changes in pH can affect the enzyme's structure, which in turn can alter its activity. Enzymes are made up of amino acids that are arranged in a specific three-dimensional shape.
The shape of an enzyme is determined by the specific sequence of amino acids in its polypeptide chain, as well as the interactions between these amino acids.
The active site of an enzyme is the region where the substrate binds, and where the chemical reaction occurs. The active site of amylase is made up of several amino acids that must be in a specific orientation for the enzyme to function properly.
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Importance of photosynthesis
Answer:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Without photosynthesis, the carbon cycle could not occur, oxygen-requiring life would not survive and plants would die. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.
Explanation:
It is the number one source of oxygen in the atmosphere.
It contributes to the carbon cycle between the earth, the oceans, plants and animals.
It contributes to the symbiotic relationship between plants, humans and animals.
It directly or indirectly affects most life on Earth.
It serves as the primary energy process for most trees and plants
NEED IT ASAP ! ! ! What type of deposition would create sand dunes? Earth/Environmental Science
Answer:
Earth deposition, wind would blow the sand and have it pile up
Explanation:
all of the following statements indicate events that occur during the electron transport chain except for one. which of these statements is false?
a.Transport electrons from electron carriers such as NADH and FADH2 and deliver them to oxygen b.Take protons from the mitochondrial matrix and move them into the intermembrane space, creating a proton gradient c.Produce ATP by using the energy in glucose and oxygen to directly transfer a phosphate to ADP forming ATP d.Take the electrons that were harvested from glucose and give them to oxygen, forming water e.Oxidize NADH and FADH2 back into NAD+ and FADH sothey can be used again
The false statement is: Produce ATP by using the energy in glucose and oxygen to directly transfer a phosphate to ADP forming ATP. So, option C is accurate.
In the electron transport chain, ATP is not directly formed by transferring a phosphate to ADP. Instead, ATP synthesis occurs through a process called oxidative phosphorylation, which is coupled to the electron transport chain. The flow of electrons through the electron transport chain leads to the pumping of protons from the mitochondrial matrix to the intermembrane space, creating a proton gradient. This proton gradient is then utilized by ATP synthase to produce ATP from ADP and inorganic phosphate (Pi). Therefore, statement c is incorrect as it does not accurately describe the mechanism of ATP production in the electron transport chain.
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ANSWER AND I’LL GIVE BRAINLIEST
Which of the following statements can you infer would happen If one organ system stopped working?
a. The other organ systems would have to work harder to make up for the broken system
b. The other organ systems would stop working too.
c. The other organ systems would still work on their own but might have to work harder to complete their function correctly.
Answer:
b
Explanation:
After one system shuts down, the others would slowly start to shut down as well until the body can no longer maintain homeostasis and the person would slowly die. 3. All systems would be working together but the main ones would be muscular, nervous, and skeletal.
the superkingdoms of life called eubacteria is identical to which of the following?question 17 options:archaeabacteriaeukaryaediacariaarchaeabacteria
The superkingdom of life called Eubacteria is identical to ArchaeaBacteria. It is important to note that Eubacteria and ArchaeaBacteria are no longer used as official terms in modern taxonomy. Instead, the domains Bacteria and Archaea are used to classify living organisms.
Eubacteria are also known as true bacteria and they are one of the two major groups of prokaryotes, the other being archaea. They are unicellular organisms that lack nucleus and other membrane-bound organelles and are found in diverse environments, including soil, water, and human body. They play important roles in various ecological processes such as nutrient cycling and decomposition.
The superkingdom of life called Eubacteria is identical to the option "Archaeabacteria." Both terms refer to prokaryotic organisms that belong to the Bacteria domain, distinct from Eukaryotes and Diacaria. Eubacteria and Archaeabacteria are used interchangeably to describe these simple, single-celled organisms.
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Scientists believe that 250 million years ago _________.
Pilihan jawaban
the continents were farther apart
the continents were underwater
there was only one active volcano on Earth
The continents were connected
Answer:
the continents were connected
Explanation:
pangea
1. fatty acids2. amino acids3. phospholipids4. hydrogen5. peptide6. tertiary7. secondary8. rough endoplasmic reticulum9. ribosome10. Golgi apparatus11. vesicle
The production of antibodies inside the lymphocytes starts at the ribosome (organelle) by joining amino acids together, creating peptide bonds, and forming the primary level structure polypeptide. The polypeptide bends and folds tertiary in the Golgi apparatus (organelle), to form the next level of structure. For instance, the secondary level of structure is formed by hydrogen bonds to create alpha helix or beta-pleated formations.
In order for an antibody to be released into the blood, a fully formed antibody will move from rough endoplasmic reticulum (organelle) to another organelle named Golgi apparatus to sort and be processed for shipment out of the cell. Antibodies transport from organelle to organelle and to the plasma membrane in a vesicle, which is made out of fatty acids-phospholipids.
1. fatty acids
2. amino acids
3. phospholipids
4. hydrogen
5. peptide
6. tertiary
7. secondary
8. rough endoplasmic reticulum (organelle)
9. ribosome (organelle)
10. Golgi apparatus (organelle)
11. vesicle
Describe an alternative name for Enzymes. Explain why is this an appropriate term?
which surgical procedure involves flattening the anterior curvature of the cornea by removing a stromal lamella layer?
Microkeratome-assisted lamellar keratoplasty (MALK) is a surgical procedure which involves flattening the anterior curvature of the cornea by removing a stromal lamella layer
Anterior lamellar keratoplasty with microkeratome assistance has become a surgical option for disorders compromising the clarity of the cornea's outer 200 microns. Here, we outline the results of a straightforward approach in which the excimer laser can be added to deep tissue removal after the donor graft and recipient bed have both been prepared with a microkeratome.
LASIK eye surgery is the best known and most commonly performed laser refractive surgery to correct vision problems. Laser-assisted in situ keratomileusis (LASIK) can be an alternative to glasses or contact lenses
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What is the main cause of anxiety
Answer:
It could be multiple things from stress to impatience or if your worrying about something and your anxious about it.
Please mark brainliest
What does this have to do with the real world?
You are in the real world and just typing this on brainly