If a plant is grown in the absence of gravity, which type of phototropism will its roots exhibit, and where will auxin accumulate?(1 point)
A.negative phototropism; auxin will accumulate on the side nearest to the light source
negative phototropism; auxin will accumulate on the side nearest to the light source
B.positive phototropism; auxin will accumulate on the side away from the light source
positive phototropism; auxin will accumulate on the side away from the light source
C.negative phototropism; auxin will accumulate on the side away from the light source
negative phototropism; auxin will accumulate on the side away from the light source
D.positive phototropism; auxin will accumulate on the side nearest to the light source
positive phototropism; auxin will accumulate on the side nearest to the light source
Answers
Phototropism refers to the growth or movement of an organism (often a plant) in response to light stimulus. Negative phototropism occurs when an organsim grows away from specific chemicals.
If a plant is grown in the absence of gravity, its roots will exhibit negative phototropism and auxin hormones will accumulate on the side away from the light source (Option C is correct).In this case, negative phototropism occurs in response to auxin hormones.On the other hand, positive phototropism occurs when a plant grows towards the light source.Learn more in:
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Related Questions
Organism X has 40 chromosomes in their somatic cells. How many chromosomes would you find in its sperm cell?
Answers
1. Match the description of the vertebrae with their associated region.
Contain transverse foramina
Contain costal facets
Largest vertebrae
Match each of the options above to the items below.
Lumbar vertebrae
Cervical vertebrae
Thoracic vertebra
Answers
The lumbar vertebrae contain the largest vertebrae while the cervical vertebrae contain the transverse foramina. The thoracic vertebra contains the costal facets.
Vertebrae are bones that are stacked on top of one another to create the spine. Each vertebra has a particular structure that helps it to function in its respective region. The vertebrae can be categorized into cervical, thoracic, lumbar, sacral, and coccygeal. The cervical vertebrae are the first seven vertebrae that make up the neck region.
They are unique because they contain transverse foramina that serve as a passage for the vertebral artery. The thoracic vertebrae make up the upper and middle back region. They contain costal facets that articulate with the ribs.The lumbar vertebrae make up the lower back region. They are the largest vertebrae in the spinal column due to the fact that they support most of the body's weight.
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Which bone is identified in the picture below?
Answers
Answer:
errrrrrrrrrrr
Explanation:
Answer:
the ulna
Explanation:
the muscle is called the forearm, i work out so that helped XD
why is the earth called the water plant
Answers
Answer:
This is because Earth has 71 percent water.
What are the four bases of DNA?
Answers
Answer: adenine (A), cytosine (C), guanine (G), and thymine (T) hope this helps
Explanation:
Answer:
guanine, cytosine, adenine, and thymine
Explanation:
a homozygous tall (tt) plant is crossed with a heterozygous tall (tt) plant. (tall is dominant to short). what percentage of the offspring will be tall?
Answers
Since the homozygous tall plant has two copies of the dominant allele (TT), all of its offspring will inherit one dominant allele for tallness. On the other hand, the heterozygous tall plant has one dominant allele and one recessive allele (Tt), so half of its offspring will inherit a recessive allele for shortness. Therefore, the cross will result in 100% of the offspring having at least one dominant allele for tallness. Thus, the percentage of the offspring that will be tall is 100%.
It seems like there's a typo in the question. I assume you meant to write that the homozygous tall plant is TT, not tt. So, a homozygous tall (TT) plant is crossed with a heterozygous tall (Tt) plant.
In this case, the possible offspring genotypes are:
- 50% TT (homozygous tall)
- 50% Tt (heterozygous tall)
Since tall is the dominant trait, both TT and Tt will display the tall phenotype. Therefore, 100% of the offspring will be tall.
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What are two defect of simple cell?
Answers
Simple cells are neurons in the visual cortex of the brain that are responsible for detecting edges and bars of light in specific orientations. Here are two potential limitations or defects of simple cells:
Limited sensitivity to complex visual stimuli: Simple cells are designed to detect simple features, such as edges and bars of light. While they are good at detecting these features in specific orientations, they are not very sensitive to more complex visual stimuli, such as faces, objects, or scenes. For this reason, more complex cells (also known as complex cells or hypercomplex cells) are needed to process more complex visual information.
Fixed orientation tuning: Simple cells are sensitive to edges and bars of light in specific orientations, but they are not very good at detecting these features in other orientations. This means that they have a fixed "orientation tuning" that limits their ability to detect edges and bars that are tilted or angled in different ways. Complex cells, which have a more flexible orientation tuning, can overcome this limitation to some extent, but they also have their own limitations.
It is unclear what is meant by "simple cell," as it could refer to different things depending on the context. However, here are two possible defects of a simple cell in different contexts:
In biology, a simple cell could refer to a prokaryotic cell, which is a type of cell that lacks a nucleus and other membrane-bound organelles. One defect of prokaryotic cells is that they have limited capacity for growth and specialization compared to eukaryotic cells, which have a nucleus and more complex internal structures. This makes it harder for prokaryotic cells to perform advanced functions such as cell signaling, differentiation, and gene regulation.In electronics, a simple cell could refer to a single electrochemical cell that generates a voltage difference between two electrodes by means of a redox reaction. One defect of a simple cell is that it has a limited lifespan and will eventually run out of reactants or lose its ability to produce a stable voltage due to corrosion or other factors. Moreover, the voltage produced by a simple cell is typically small and may not be sufficient for powering complex electronic devices or systems.Which of these organisms is not matched to the main type of nitrogenous waste it excretes?
Reptiles−−uric acid
Terrestrial insects−−uric acid
Freshwater fishes−−ammonia
Marine fishes−−ammonia
Answers
The correct option is B -Terrestrial insects−−uric acid.
The species that is incompatible with the main sort of nitrogenous waste it excretes is an insect that lives on land. The correct response for terrestrial insects is "uric acid," not "ammonia."
The primary nitrogenous waste excreted by terrestrial insects, such as insects and spiders, is uric acid. Uric acid is a somewhat insoluble waste product that requires less water for excretion in organisms living in dry or terrestrial settings.
Hence option B is correct.
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Why does Pakistan experience frequent earthquakes?
A It does not experience earthquakes.
B. It lies on a convergent collision plate boundary between India and Eurasia.
C. It is located near many volcanoes and the pressure from the magma buildups causes earthquakes.
D. It lies on a divergent plate boundary between Eurasia and the Middle East.
Answers
B is the answer for this question
How does the polar climate influence human life? please help.....
A. Travel during winter requires careful planning.
B. Humans have moved further south due to the weather.
C. Plentiful jobs bring people regardless of the climate.
D. Growing animal populations have forced humans from their land.
Answers
Answer:
B one? Please Mark it as brainlist answer.
Answer:
c
Explanation:
just because i know
what is the blood type of someone that exhibits agglutination with anti-a serum, no agglutination with anti-b serum, and agglutination with anti-rh serum?
Answers
The blood type of someone who exhibits agglutination with anti-A serum, no agglutination with anti-B serum, and agglutination with anti-Rh serum is blood type A positive (A+).
Here's a step-by-step explanation: 1. Agglutination is the clumping of red blood cells when they come in contact with certain antibodies. 2. Anti-A serum contains antibodies that specifically target the A antigen found on red blood cells. If there is agglutination with anti-A serum, it means that the person has the A antigen on their red blood cells, indicating blood type A or AB.
3. Anti-B serum contains antibodies that specifically target the B antigen found on red blood cells. If there is no agglutination with anti-B serum, it means that the person does not have the B antigen on their red blood cells, ruling out blood type B. 4. Anti-Rh serum contains antibodies that specifically target the Rh antigen found on red blood cells. If there is agglutination with anti-Rh serum, it means that the person has the Rh antigen on their red blood cells, indicating Rh-positive blood. 5. Putting all the information together, a person who exhibits agglutination with anti-A serum, no agglutination with anti-B serum, and agglutination with anti-Rh serum has blood type A positive (A+).
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in what way should you hold the culture tube or flask to prevent contamination from contacting the media?
Answers
To prevent contamination from contacting the media in a culture tube or flask, it is important to sterilization or hold the tube or flask in a way that minimizes contact between the mouth of the tube or flask and the surrounding environment.
The "flame sterilization" method, which entails putting a culture tube or flask's mouth through a flame before and after each usage to eliminate any potential impurities, is the suggested way to hold them.
Hold the tube or flask in one hand near the top and use the other to hold a Bunsen burner flame near the mouth of the tube or flask for a few seconds, rotating the tube or flask in a circular motion to make sure the entire mouth is exposed to the flame. This procedure is known as flame sterilization. Repeat this procedure after each use to sanitize the tube or flask mouth before capping it.
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1. When is the earth closest to the sun (perihelion)?
2. Is that what you would expect?
3. What season is this in the northern hemisphere?
4. When is the earth farthest from the sun (aphelion)?
5. Is that what you would expect?
6. What season is this in the northern hemisphere?
7. Explain why 1-6 occurs.
8. Thinking question: How does the tilt of the earth cause annual rainy seasons from the tropics towards the sub tropics?
Answers
Answer:
I don't know what is the answer if I know i will send you
Biochemical similarities exist among organisms and indicate relationships. how are these biochemical characteristics studied?
A. Observations of plant and animal behavior.
B. Fossil records
C. Observations of various cells under a microscope
D. DNA sequences
Answers
Biochemical similarities among organisms are studied primarily through D) DNA sequences. DNA sequences contain genetic information that can be compared across different species to reveal similarities and evolutionary relationships.
By analyzing and comparing these sequences, scientists can identify conserved regions and specific variations that may indicate shared ancestry or common evolutionary paths. While observations of plant and animal behavior, fossil records, and studying cells under a microscope are all valuable tools in studying biology and evolution, they do not specifically address biochemical characteristics.
DNA sequencing directly examines the molecular basis of life, allowing for a deeper understanding of the biochemical relationships between organisms. This method provides concrete evidence of genetic similarities and can be used to construct phylogenetic trees, which display the evolutionary connections between various species.
In summary, to study biochemical similarities among organisms and their relationships, DNA sequences are the most appropriate method. This approach allows for a direct examination of genetic information, providing insights into evolutionary relationships and shared ancestry. Hence, D is the correct option.
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Esther was on the YMCA diving team. She was on the 30 meter platform preparing to do a dive. If Esther's mass was 50 kg and she hit the water with a force of 980 N, what was her acceleration?
Answers
The acceleration of Esther on the YMCA was found to be about 19.6 m/s^2
What are the three acceleration laws?
Unless pushed upon by a force, every item travels in a straight line. An object's acceleration is directly proportional to the net force applied and inversely proportional to the object's mass. There is an equal and opposite reaction to every action.
In basic terms, what is acceleration?
Acceleration is the rate at which velocity varies over time, both in terms of speed and direction. A point or object travelling in a straight path is accelerated if it accelerates or decelerates. Even if the speed is constant, motion on a circle is accelerated because the direction is constantly changing.
as per the formula F=ma
then this formula was rewritten as a=F/m
where m= mass = 50Kg
F= force exerted =980N
acceleration (a) = 980/50
a =19.6 m/s^2
The acceleration of Esther on the YMCA was found to be about 19.6 m/s^2
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Drag each label to the correct location. sienna decides to study movement in plants. identify the correct sequence of the scientific steps, and place the steps in order. she developed a hypothesis that plants move toward light. over six weeks, both plants grew toward their available light source. she put one plant near the window and another in a dark room with a small opening that let light come through. every few days she checked the plants and recorded the direction of their growth.
Answers
the scientific steps that Sienna followed in her research:
Develop a hypothesis: Sienna developed a hypothesis that plants move toward light.
Experiment Design: Sienna put one plant near the window and another in a dark room with a small opening that let light come through.
Data collection: Every few days she checked the plants and recorded the direction of their growth over a period of six weeks.
Data analysis: Sienna analyzed the data she collected to see if the plants grew in the direction of the light source, and if her hypothesis was supported.
Conclusion: Sienna drew a conclusion from her data analysis and determined whether her hypothesis was supported or not.
Communication: Sienna reported her findings in a scientific paper or presentation, communicating her results and conclusions to other scientists in her field.
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true/false. the o allele is the only one in the abo blood typing system that is correctly classified as dominant.
Answers
False. In the ABO blood typing system, the A and B alleles are codominant, while the O allele is recessive.
The A allele produces the A antigen on red blood cells, the B allele produces the B antigen, and individuals with the AB genotype express both A and B antigens. The O allele, on the other hand, does not produce any antigens, hence it is considered recessive. Therefore, individuals with the AO genotype will have blood type A, individuals with the BO genotype will have blood type B, and individuals with the AB genotype will have blood type AB, while individuals with the OO genotype will have blood type O.
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Which part of a grain is especially rich in vitamins and minerals?.
Answers
The outer layer of the grain is particularly rich in minerals and vitamins.
The bran is one of the three parts of a grain that contains fiber, vitamins, and minerals. Vitamins B and minerals such as calcium, phosphorus, and iron are plentiful in the bran. Whole grains are excellent sources of dietary fiber, which can aid in the reduction of blood cholesterol levels. They also contain complex carbohydrates, which provide energy and satisfy hunger for extended periods. Whole grains can be found in a variety of foods, including bread, pasta, and cereals.Because whole grains are high in fiber, they can help to regulate blood sugar levels.
Fiber has the ability to slow down carbohydrate absorption, preventing blood sugar levels from rising too quickly. Fiber can also help to reduce inflammation in the body, which is a contributing factor to numerous diseases. They are a great source of vitamins and minerals for the body. They also contain phytochemicals, which are chemicals that occur naturally in plants. Phytochemicals have been shown in studies to aid in the prevention of certain diseases such as cancer. Whole grains provide numerous health benefits and should be consumed in moderation.
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The germ part of a grain is especially rich in vitamins and minerals. It is the smallest part of the grain but contains significant amounts of nutrients. For example, wheat germ is high in thiamin, folate, phosphorus, and zinc.
Explanation:The part of a grain that is especially rich in vitamins and minerals is the germ. A grain of cereal typically consists of three parts: the endosperm, the bran, and the germ. The endosperm is the largest part and is primarily composed of carbohydrates. The bran is the hard outer layer; while it is mainly composed of fiber, it also contains some vitamins and minerals. The germ, however, is the smallest part of the grain. Despite its size, it is packed with significant amounts of vitamins and minerals. An example of this is Wheat Germ which is high in thiamin, folate, phosphorus, and zinc.
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at which site on the dna of a gene does rna polymerase release its newly made rna? choose one: a. stop codon b. promoter c. tata box d. poly-a tail e. terminator
Answers
The terminator is the site on the DNA of a gene where RNA polymerase releases its newly made RNA; the correct option is E.
What is the role of RNA polymerase?RNA polymerase is an enzyme that binds to specific regions of DNA called promoters. Once bound to the promoter, RNA polymerase unwinds and separates the DNA strands, creating a transcription bubble. It then moves along the DNA strand, synthesizing a complementary RNA molecule using the DNA strand as a template.
The terminator is a DNA sequence that marks the end of a gene and signals RNA polymerase to stop transcribing the DNA template. It serves as a termination signal for the transcription process.
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the passage of the moon into earth’s shadow causes a
Answers
Explanation:
passage of the moon into earth’s shadow causes a
it causes an eclipse
how will increasing CO2 affect ocean pH? 2 examples with reasoning/evidence
Answers
The average pH of the ocean is now approximately 8.1, which is basic, but as more \(CO_{2}\) is absorbed, the pH drops and the ocean water becoming more acidic.
By combining with water to generate carbonic acid (\(H_{2} CO_{3}\)), that can separate into the hydrogen ion (H+) and the hydrogen carbonate ion, carbon dioxide (\(CO_{2}\)) affects the pH of blood (\(HCO_{3}\)-). Therefore, more H+ ions as well as a lower pH are produced when the blood's carbon dioxide concentration rises. In seawater, most of the carbon dioxide dissolves as bicarbonate and hydrogen ions. The pH is decreased as a result of this rise in hydrogen ions. Moreover, part of the hydrogen reacts with the carbonate to produce additional bicarbonate, lowering the carbonate level in the ocean.
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Which of the following factor is associated with aquatic habitat (A) Temperature (B) light
(c) intensity (D) Gravel (E) sound
Answers
Answer: light
Explanation:most probably aquatic plants are located n areawhere light intensity can reach to photosynthesise
What are the Amino acids of the mutated DNA sequence: TAC ATC TTG GCG ACG ACT
Answers
Answer:
Tyr Ile Leu Ala Thr Thr
Explanation:
In a DNA sequence, a pair of three bases form a codon that codes one particular amino acid in the protein. Proteins are consist of 20 amino acids and these amino acids are coded by a pair of three bases.
There are four bases in a DNA - Thymine (T), Adenine(A), Guanine(G) and Cytosine(C).
The given mutated DNA sequence will also code for some amino acid, that is as follows:
TAC - Tyr (Tyrosine)
ATC - Ile (Isoleucine)
TTG - Leu (Leucine)
GCG - Ala (Alanine)
ACG - Thr (Threonine)
ACT - Thr (Threonine)
Thus, The mutated DNA sequence TAC ATC TTG GCG ACG ACT codes for Tyr Ile Leu Ala Thr Thr.
4. In our solar system, the constant "k" in Kepler's Third Law is equal to 1 if AU and Earth years are used. Suppose astronomers found a new planet, very close
to the Sun. If the average distance from the planet to the Sun were 1/4 AU, how long would the planet's period be?
O 1/32 of an Earth year
O 1/8 of an Earth year
1/4 of an Earth year
O 1/2 of an Earth year
5. Scientists discover two planets orbiting a distant star. The average distance from the star to Planet
Answers
If the average distance from the planets to the sun were 1/4 AU, how long would the planets period be 1/8 of an earth year. The average distance from the star to Planet A is 4 AU, and it takes 432 Earth days for Planet A to orbit the star.
According to Kepler's Third Law, as an orbiting planet's radius increases, so does the time of its orbit around the Sun. Thus, we learn that Mercury, the innermost planet, completes its orbit of the Sun in just 88 days. Despite the fact that Kepler had no knowledge of gravitation at the time he developed his three laws, Isaac Newton used them to derive his theory of universal gravitation, which explains the mysterious force behind Kepler's Third Law.Kepler and his theories played a critical role in improving our understanding of the dynamics of our solar system and served as a foundation for more recent models that more closely approximated the planetary orbits.To learn more about Kepler's Third Law.
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What qualities of a chemical reaction are affected by enzymes?
Answers
Enzyme lowers the chemical reaction's activation energy, is made up of proteins, and acts as biocatalysts. Enzymes are a part of all living things. Some compounds are created, while others are broken down by their reaction. Enzymes are produced by our bodies spontaneously. However, food and manufactured goods both contain enzymes.
An enzyme's four primary properties are;
They are very catalytic and can efficiently catalyse a chemical reaction with a slight amount. They expedite reactions while staying constant throughout. The effectiveness and function of enzymes can quickly be impacted by temperature, pH, and inhibitors. Enzymes typically catalyse only one type of substrate and have a relatively narrow range of applications.To learn more about Enzymes click here
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proteins, nucleic acids, lipids and carbohydrates are based on which molecule?
Carbon
Hydrogen
Nitrogen
Oxygen
Answers
I think they are based on Oxygen
what is the name of the protein that appaers to regulate the enry of cells into an s phase
Answers
The protein that appears to regulate the entry of cells into the S phase of the cell cycle is called cyclin-dependent kinase (CDK).
Cyclin-dependent kinase are a family of proteins that work in conjunction with cyclins to control cell cycle progression. In particular, the cyclin-CDK complexes regulate the transition from the G1 phase to the S phase of the cell cycle, allowing DNA replication to occur.During the G1 phase, the levels of cyclins and CDKs increase, and when they reach a certain threshold, they form complexes that become active and initiate the signaling pathways that drive the cell into the S phase. These cyclin-CDK complexes phosphorylate target proteins involved in cell cycle regulation, promoting the progression of the cell cycle.The specific cyclin-CDK complexes involved in regulating the entry into the S phase can vary among different organisms.
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.Which statement about the hormone insulin is correct?
O It directly helps the body to deal with stress.
O It causes body temperature to decrease.
O It lowers the amount of glucose in the blood.
O It acts on the kidney, telling it to absorb more water.
Answers
Answer:
c
Explanation:
Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body. It regulates the metabolism of carbohydrates, fats and protein by promoting the absorption of glucose from the blood into liver, fat and skeletal muscle cells
Answer: It lowers the amount of glucose in the blood.
Explanation:
im type 1 diabetic The main function of insulin is to remove excess glucose from the blood
In this exercise, you've learned of dna profiling and its practical benefits in forensic science. genome editing is another area of importance that is widely popular in today's society. after watching video 2 of 3, how does this technique differ from the profiling method, and what are the advantages of editing our genetic sequences? (answer should be more than two sentences)
Answers
In genome editing, the individual gene is altered, whereas in profiling there will be no alteration.
What is DNA profiling?DNA profiling involves analyzing the individual's genome for distinctive patterns of DNA sequences. Forensic sciences, it is frequently employed.
- STR patterns are widely focused.
- A polymerase chain reaction is used to multiply the sample provided along with the STR sequences.
- This DNA profiling also makes it possible to identify parents.
What is Genome Editing?Genome editing involves altering an organism's DNA.
- The genetic material could be added, altered, or removed through this genome editing.
Genome editing differs from the profiling method. In genome editing, the individual gene is altered, whereas in profiling there will be no alteration.
The advantages of editing our genetic sequences are:
- treatment of diseases,
- development of transgenic foods,
- development of disease-resistant crops,
- Life span expansion
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Define specialization??
Plz help
Answers
Answer:
the process of concentrating on and becoming expert in a particular subject or skill.
"the division and specialization of labor"
a particular area which someone concentrates on or is an expert in.
plural noun: specializations; plural noun: specialisations
"an academic whose specialization was Romantic literature"
the adaptation of an organ or part to serve a special function or to suit a particular way of life.
"the way different muscles are constructed allows for specialization of function"
Explanation:
i got u my homie