The characteristic 'ignoring unfavorable results' is not an important aspect of a scientific investigation; rather, all results must be considered to ensure accuracy and objectivity.
The correct answer to the question Which of the following is not an important characteristic of a scientific investigation? is B) ignoring unfavorable results. In a scientific investigation, it is crucial to consider all results, favorable or unfavorable, to maintain an unbiased view and to ensure accurate conclusions. On the other hand, detailed documentation (A), the ability to be repeated (C), and solid supporting evidence (D) are all essential characteristics of a scientific investigation.
Ignoring unfavorable results could lead to a skewed understanding of the study's findings and potentially hinder the scientific progress. Scientific integrity and reproducibility are paramount in scientific investigations which involve careful documentation, repetition, and significant evidence to support findings.
What happens to the structure of the protein when the critical point of temperature is reached?
Select all that apply.
A. The enzyme becomes denatured.
B. The enzyme loses function.
C. The protein structure is disrupted.
D. The structure of the protein is not changed.
The right options are; A, B, and C
A. The enzyme becomes denatured.
B. The enzyme loses function.
C. The protein structure is disrupted.
Enzymes are made up of proteins that contain amino acids that are folded and twisted into a unique structure. The amino acid molecules are joined together by weak forces. When the critical point of temperature is reached, the temperature will break the weak forces, and disrupt the structure of the active site of the protein. This will reduce the activity of the enzyme or its function will stop and the enzyme will be denatured.
When the critical point of temperature is reached, the changes in protein re following:
A. The enzyme becomes denatured.
B. The enzyme loses function.
C. The protein structure is disrupted.
What is protein?Protein is an important compound that is made up of amino acids.
Protein is readily affected by temperature.
When temperature increases too much, the protein structure changes.
When the structure of protein changes, it lost its function.
Sometimes it denatured.
Thus, the correct options are A. The enzyme becomes denatured.
B. The enzyme loses function.
C. The protein structure is disrupted.
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Complex organisms develop specialized tissues as a direct result of which of the following processes
A) cellular respiration
B) cellular differentiation
C) cellular growth
D) cellular division
B celluar differentiation
I think is c boy l don’t no
Read It! Amateur astronomer and photographer Nick Risinger decided to try to capture an image of the entire sky. To do this, he had to travel about 60,000 miles (96,560 kilometers). With his camera, Risinger took pictures from various high points in the western United States, South Africa, and other key places in the world. Photo shoots were timed around new moons, when nights are long and dark. Eventually, he stitched 37,440 exposures together. The amazing panoramic survey of the sky was posted online in April 2011. Do It! Risinger was _________. A suspended B consulted C determined D promoted
He was C Determined This is because he kept on trying Hope this helps
Answer:
(C) Determined
Explanation:
Which statement is an example of mutualism?
A. Bees sting other organisms when they sense danger. B. Bees pollinate flowers while obtaining nectar. C. Bees have black and yellow stripes that warn other organisms of danger. D. Bees help maintain an ecosystem’s native cacti species through pollination.
the correct answer is D
Option B, "Bees pollinate flowers while obtaining nectar," is the correct example of mutualism because it describes a beneficial relationship for both species involved: bees get nectar for food, and plants receive assistance with pollination.
The question asks which statement is an example of mutualism. Mutualism is a type of symbiotic relationship where both species involved benefit from the interaction. Among the given options, B. Bees pollinate flowers while obtaining nectar is the correct example of mutualism. This is because bees obtain nectar, which they use as food, from the flowers. While collecting nectar, bees unintentionally transfer pollen from one flower to another, which is a crucial process for plant reproduction. This interaction benefits both the bees and the plants, making it a mutualistic relationship.
There are millions of different species of animals, plants, and microorganisms. Which of the following factors do biologists consider to be the most important when classifying organisms?
details of internal and external body structures
The length of a rectangle is 8/3 times as great as its width. What is the width of the rectangle if its length is 24 feet?
Answer:
The answer is 9
Explanation:
i took the test :D
Which type of protist is most like a fungus
They also have cell walls and reproduce by forming spores, just like fungi. Fungus-like protists usually do not move, but a few develop movement at some point in their lives. Two major types of fungus-like protists are slime molds and water molds.
Answer:
Slime molds and water molds
Explanation:
Slime molds and water molds are fungus-like protists. Like a fungus, they have a cell wall around their cells. Both slime mold and water mold are heterotrophic and can not make their own food. They also derive their nutrition from dead and decaying organic matter.
Like a fungus, these two protists also reproduced by the formation of spores.
What feature on a cell contains the DNA sequence to make a specific sequence
Your answer gene
Hope it helps
Identify the energy changes in each of the following examples
Pounding a fist on a table
When a fist pounds on a table, muscular energy is converted into kinetic energy, which is then transformed into sound and thermal energy upon impact. Similarly, when a hammer strikes a surface, its potential energy is converted to kinetic energy and then to sound and heat. Blowing through a rubber band converts chemical energy into mechanical and then into sound energy.
Explanation:When a person pounds a fist on a table, there is a conversion of energy from one form to another. Initially, the muscular energy in the person's arm is used to accelerate the fist downward. This energy is known as the kinetic energy of the fist. As the fist strikes the table, that kinetic energy is transformed into other forms of energy, primarily sound energy from the noise of the impact and thermal energy (heat) due to the friction and deformation caused by the contact between the fist and the table surface.
Another example of energy conversion occurs when a person strikes a hammer against a hard surface. The potential energy stored in the raised hammer is converted to kinetic energy as it falls. Upon impact, this kinetic energy is mostly transformed into sound and heat, similarly to the previous example.
The final example involves a person blowing through a slit in a stretched rubber band. Here, the chemical energy from the food the person ate is converted into mechanical energy of the moving air as they blow. The moving air causes the rubber band to vibrate, converting some of that mechanical energy into sound.
rocks formed from the cooling lava of volcanic eruptions are
igneous rocks that form from magma below the surface.
Question:How does soil form on an island that is made of cooled rock from a volcanic eruption?
Soil forms when parts of the lava cool into very small rocks and dust.
Soil forms from the constant movement of species in and out of the community.
Soil forms when lichens and mosses grow, break down rocks, and die.
Soil forms when large trees take over the community from small bushes.
Answer: the answer is C: Soil forms when lichens and mosses grow, break down rocks, and die.
The solution inside a plant cell is approximately a 1% saline solution. In a 25% NaCl solution, the cytoplasm of a plant cell will
The cytoplasm of a plant cell will shrink and draw away from the cell wall
Answer:
shrink and contract
Explanation:
It is given that inside the cell there is 1% saline solution and it is kept in 25% NaCl solution which means that salt concentration is higher outside the cell. So the outside environment is hypertonic compared to inside environment. Osmosis is the process by which water flows from the region of low solute concentration to region of high solute concentration. Since here solute concentration is higher outside, water will flow from inside the cell to the outside. Water content inside the cell will start to decrease which will lead to shrinkage of cytoplasm. The cytoplasm will eventually draw away from the cell wall.
Please I would like some help. Will give brainliest for correct answer.
Answer
D
Explanation
The conservation of mass principle says that whatever you do to a chemical, the mass of the reactants must equal the mass of the products.
There is a loss somewhere that has not been accounted for.The ribbon and oxygen add up to 6.95 which means that the reactants (oxygen and Magnesium ribbon) added up to more than the mass of the product.
The product was only 6.53 grams. Why that is so is another matter and how they measured the oxygen is still yet something else.
A is wrong. The mass of Mg was measured, it was not calculated.
B is wrong. The experiment really depends on moles not raw mass (which is measured and then converted to mass.)
C is wrong. They are not equal. The products are a little less than the mass of the reactants added together. They do not differ by much, but they do differ.
is forming a hypothesis the first step of the scientific method
No it is not. The first step is asking a question. here is a chart that i hope will help you
1. DNA...
a. encodes the information needed for making proteins within the cell
b. directs RNA to make lipids
c. directs RNA to produce glucose
d. produces carbohydrates
2. The physical structure of the genetic code is DNA's sequence of...
a. sugars
b. nitrogen bases
c. phosphates
d. hydrogen bonds
3. Proteins are composed of...
a. nucleotides
b. nitrogen bases
c. deoxyribose
d. amino acids
Protein catalysts which cause reactions to occur at temperatures and pH values which are common to living cells are called
Explain the path that food takes through the digestive system in your body.
Answer:
Chewing: Ingestion 1
Chewing mechanically mixes food with saliva from the salivary glands. Amylase in saliva chemically digests starch in the food. The mixing process is lubricated by mucin, a slippery protein in saliva. Each mouthful takes approximately 30–60 seconds.
Swallowing: Ingestion 2
The food is formed into a small ball called a bolus, which is pushed to the back of the mouth by the tongue. Involuntary muscle contractions in the pharynx then push the bolus down towards the oesophagus. This swallowing reflex takes about 1–3 seconds.
Peristalsis: Ingestion 3
In the oesophagus, the bolus is moved along by rhythmic contractions of the muscles present in its walls. For a medium-sized bolus, it takes about 5–8 seconds to reach the stomach.
Time to empty: Stomach
Food is mixed with gastric juice. Strong muscular contractions in the stomach wall reduce the food to chyme – a thick milky material. The pyloric sphincter at the lower end of the stomach slowly releases chyme into the duodenum. Emptying the stomach takes 2–6 hours.
Time to empty: Small intestine
It takes 3–5 hours from entry to the duodenum to exit from the ileum. The small intestine’s structure of folds, villi and microvilli increases the absorptive surface area and allows maximum exposure to enzymes and complete absorption of the end products of digestion.
Chewing: One Intake. By mechanically chewing, saliva from the salivary glands is combined with food.
What is Digestive system?The tongue forces the food's little ball, known as a bolus, toward the rear of the mouth.
The bolus is subsequently forced downward toward the oesophagus by involuntary muscle contractions in the throat. It takes 1-3 seconds for this reflex to start swallowing.
The muscles in the walls of the oesophagus contract rhythmically to transport the bolus along. It takes roughly 5-8 seconds for a medium-sized bolus to reach the stomach.
Therefore, Chewing: One Intake. By mechanically chewing, saliva from the salivary glands is combined with food.
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Which adaptation would be most beneficial of both the taiga and marine aquatic biomes
Answer:
Taiga includes a large species diversity of floura and fauna. This region is prone to extreme winter conditions. Both taiga and marine aquatic biome species adapt the adverse winter season. Plant species restrict their surface area in an attempt of protection against freezing, called hardening. Most of the animal species they hibernate so that they do not require food in harsh winters.
Answer:a thick layer of fat for insulation
Explanation:
Taiga has long cold winters so they need insulation. Marine aquatic animals like whales need the insulation when they are in cold water.
what is allosteric regulation
In biochemistry, allosteric regulation (or allosteric control) is the control of an enzyme by attaching an effector molecule at a position different to the enzyme's active site. The position to which the effector obliges is known the allosteric site or regulative site. Allosteric positions support effectors to attach to the protein, usually resulting in a conformational transition including protein dynamics.
two cells of the same kind have close to the same concetration of substances in their cytoplasm. Cell A is placed in a 2% glucose solution and Cell B is placed ina 5% glucose solution. Which of the following is correct? a. Cell A will swell more than Cell B b. Cell B will swell more than Cell A c. both cells will increase in size at the same rate d. both cells will decrease at the same rate
In the given case, cell A is placed in 2 % solution of glucose and cell B is placed in 5 % glucose solution. Both the solutions are hypotonic, and when a cell is placed in a hypotonic solution, then the greatest concentration of water will be outside of the cell. Therefore, water will enter the cell and occupies the central vacuole.
However, cell B is placed in a more concentrated solution, so it will swell less in comparison to cell A, which is placed in a less concentrated solution. Hence, the correct answer is option A, that is, Cell A will swell more than Cell B.
The correct option is A.
Which is cell A will swell more than cell B.
Explanation:As the cells have same concentrations.So when they put in different solutions, Cells A in 2% glucose will lose less water due to osmosis than cells B which are in 5% glucose solution.Hence cells A will be more swell than cells B.Ann, bob, and charlie are testing to see if putting sugar in water helps flowers last longer. They buy six roses and place three in containers with plain water and three in containers with sugar water. They record the time before the first petal falls off. The ones in the sugar water lasted slightly longer than those in plain water. Before including that adding sugar to the water does not have a significant affect on how long flowers will last, what should they do?
A) use warm water in each container
B) run more trials for the experiment
C) try salt in the water instead of sugar
D) try different amounts of water in the containers
Run more trials for the experiment to ensure that the small difference is not significant. B
To determine if adding sugar to water has a significant effect on how long flowers last, Ann, Bob, and Charlie should run more trials of their experiment, keeping the conditions consistent to ensure the results are reliable and significant. Hence, the correct option is B.
Running more trials will help ensure that their observations are consistent and statistically significant. Repeating the experiment with an increased number of flowers and trials will provide a larger set of data, reducing the probability that the initial result was due to chance. They should keep the amount of water and sugar consistent across all trials to maintain experimental control. By analyzing their data, they would compare the average lifespan of the flowers in both conditions over multiple trials to determine if sugar truly has an effect on flower longevity.
What features signifies to astronomers that a distant star is part of a planetary system
A) the star periodically dims
B) the star expands into a red giant
C)the star moves through the sky
D) the star continuously gets brighter
Answer:
A) the star periodically dims
Explanation:
Read the section titled “retaining water” and “acquiring water.” Explain how desert animals retain and acquire water in such a hot and dry environment
could someone help me asap? (photo)
Which of the following is an example of natural selection?
A. To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.
B. Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.
C. Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.
D. Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.
It should be D, because the rabbits that survived did so due to natural selection.
The answer is D. Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.
Organisms are made up of one or more _____. cells clones energies cycles
The correct answer is cells.
Some organisms are single-celled, and are only made up of once cell.
But most complex organisms are made up of billions and billions of cells.
All living creatures are composed of at least one cell.
Please help me! Just with these few, and I will mark brainliet!
Which statement accurately describes how electrons are arranged in Bohr's atomic model?
electrons travel randomly in the large space outside the nucleus
electrons travel around the nucleus in fixed energy levels with varying energies electrons travel around the nucleus in fixed energy levels with equal amounts of energy
electrons vibrate in fixed locations around the nucleus
Which statement about subatomic particles are true?
protons, neutrons, and electrons all have about the same mass
electrons have no mass, but protons and neutrons have mass
neutrons do not have a charge or mass
protons, neutrons, and electrons have a mass, but electrons have far less mass
Metallic bonds form between
cations and protons
anions and protons
cations and anions
Which of the following has the highest melting point?
metallic compound
ionic compound
covalent compound
cations and electrons
In Bohr's model, electrons orbit the nucleus in fixed energy levels.
Subatomic particles have mass; metallic bonds form cations and electrons.
Ionic compounds have high melting points.
1. In Bohr's atomic model, electrons travel around the nucleus in fixed energy levels with varying energies. This arrangement is characterized by electrons occupying specific orbits or shells at fixed distances from the nucleus. Each energy level or shell can hold a specific maximum number of electrons, and electrons can move between these levels by absorbing or emitting energy in discrete amounts.
2. Regarding subatomic particles:
- Protons, neutrons, and electrons all have mass, but electrons have far less mass compared to protons and neutrons.
- Electrons do have mass, though significantly less than protons and neutrons.
- Neutrons have mass but no electric charge.
- Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.
3. Metallic bonds form between cations (positively charged ions) and electrons. In metallic bonding, metal atoms release their valence electrons, forming a "sea" of delocalized electrons that move freely among the positively charged metal ions.
4. Ionic compounds typically have the highest melting point among the options listed. Ionic bonds, formed between oppositely charged ions, are strong electrostatic attractions that require a significant amount of energy to break. As a result, ionic compounds tend to have high melting and boiling points compared to covalent compounds and metallic compounds, which have weaker intermolecular forces.
Which graph is an inverse graph?
Answer: The correct answer is Option B.
Explanation:
For an inverse graph, we follow the rule:
As, the value of x-variable increases, the value of y-variable decreases.
For the given options:
Option A: This is a parabolic graph. At first, y-variable decreases with increase in x-variable. Then, it increases with increase in x-variable.
Option B: This is an inverse graph as, y-variable decreases with increase in x-variable.
Option C: This is a linear graph. As, x-variable increases, y-variable also increases.
Option D: This is an absolute function graph.
Hence, the correct answer is Option B.