The tarism of plants tropism is the term used to describe how plants respond to external stimuli by turning, moving, or growing. When the prize for the best-looking plant is given out, the tropic al plant turns to face the audience while grinning (tropism).
Tropism describes the movement of a plant's growth in reaction to an external stimulation. Tropism is particular to the stimulus's direction. In reaction to a stimulus, plants can either show a negative or positive movement.
1. Common tropic responses in plants include phototropism, thigmotropism, gravitropism, hydrotropism, and thermotropism.
2. Plants are sessile, which makes them different from humans and other animals in the way they adapt to their surroundings.
3. Positive tropism is growth that occurs in the direction of the stimuli, whereas negative tropism is growth that occurs in the opposite direction.
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Does psychology use scientific evidence?
YES, psychology uses scientific evidence to draw results and conclude outcomes.
Psychologists employ the scientific method in order to deduce results or conclusions. In psychology, first, the question or hypothesis is stated, then for which a theory is offered, and after that rigorous laboratory or field experiment is constructed in order to test the hypothesis. Psychologists apply the understanding obtained through research to build evidence-based strategies that solve problems and improve lives. Therefore, it is concluded that psychology is based on scientific evidence.
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He was the next person to classify grouping animals and plants by similar characteristics.
The next person to classify grouping animals and plants by similar characteristics after Carl Linnaeus was Jean-Baptiste Lamarck.
Jean-Baptiste Lamarck was a French naturalist who proposed a system of classification based on a hierarchical arrangement of organisms, grouping them together by their similarities and differences. He is known for his proposal of a "theory of descent with modification" which stated that organisms could evolve over time through the inheritance of acquired characteristics and natural selection, which would be later popularized by Charles Darwin.
Lamarck's classification system, known as Lamarckism, was a significant contribution to the field of biology and was influential in the development of the modern system of classification used today. He proposed a system that recognized the animal kingdom into two groups: the first one was composed of animals with backbones, and the second of those without, this was a more accurate system than the one proposed by Linnaeus.
It's worth noting that Lamarck's theories were later largely discredited by the scientific community because of the lack of evidence and the discovery of the mechanism of genetics and the Mendel's laws of inheritance, but his contributions to the classification of living organisms has been recognized as important and his impact on the field of biology cannot be underestimated.
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Use the example from the PowerPoint and the chart below to answer questions 1-3 about radiometric dating.
1. If you started with a fossil sample that has 2000 grams of potassium 40, how much would be left after 4 half-lives?
After 1st half-life: _______ after a 2nd: _______ after a 3rd:_______ after a 4th:________
2. How many years would you need to wait for those 4 half-lives to occur in problem a?
3. Scientists found a layer of rock with a very old trilobite fossil. They tested the rock layer and found that there was only 12.5% of the original Uranium-235 in it. How old is this trilobite?
1. If you started with a fossil sample that has 2000 grams of potassium-40:
after 1st half-life: 1000 grams of potassium-40 would be leftafter a 2nd: 500 grams of potassium-40 would be leftafter a 3rd: 250 grams of potassium-40 would be leftafter a 4th: 125 grams of potassium-40 would be left2. You would need to wait for 5.2 billion years for those 4 half-lives to occur in problem a.
3. The age of the trilobite will be 2.13 billion years.
What is the half-life of a sample?The half-life of a sample is the time for half the sample to decay.
Considering the given data:
After, 4 half-live, 1/16 of the mass of potassium will remain.
The mass of potassium-40 remaining = 1/16 * 2000
The mass of potassium-40 remaining = 125 g
The number of years required = 1.3 * 4 billion years
The number of years required = 5.2 billion years
The age of the trilobite will be:
12.5% = 3 half-lives
Age of trilobite = 3 * 710 million years
Age of trilobite = 2.13 billion years.
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Show how the alleles for tall plant height and short plant height are segregated from each other during gamete formation.
T
t
Tall pea plant
TT
Short pea plant
tt
The results of the crossing indicate that all of the offspring's genotypes will be Tt.
Different genotypes are produced in the progeny of a specie cross. The total number of genes that an organism has inherited from both of its parents is referred to as genotype.
As a result of the species crossing, T t = Tt.
T × t = Tt
T × t = Tt
T × t = Tt
As a result, all of the offspring's genotypes will be Tt.
Plant? What do you mean?A plant is a living entity with a stem, leaves, and roots that develops in the soil. Exotic plants need to be watered as often as necessary. Alternative words: flower, shrub, veggie, herb more words for "plant"
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Antimicrobials that inhibit the growth of microorganisms have the suffix:
The prefix "-static" is used to identify antimicrobials that prevent bacteria growth. A killing action is indicated by the suffix "-cidal."
An antiseptic is a substance that kills or slows the growth of microorganisms while being safe for use on human tissue. An agent that lowers bacteria populations to a safe level is known as a sanitizer. An antibiotic is a metabolic byproduct created by a single microbe that prevents or eliminates the growth of other bacteria.
Some, like penicillin, kill germs by rupturing the cell wall of the organism. Others, like tetracycline, prevent bacteria cells from producing the proteins or nutrients they need to survive or from reproducing.
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How long does it take for water to go directly through you?
Answer:
165 minutes - 300 minutes
Explanation:
The time it takes for water to go through the human body can vary depending on a number of factors, such as the amount of water consumed, the individual's hydration status, and their overall health. Generally, it takes about 45 minutes to 1 hour for the water to pass through the stomach and small intestine, and then it takes around 2-4 hours for the water to pass through the large intestine, and finally, it is eliminated through the rectum. However, it should be noted that the timing can vary from person to person and also can be influenced by the presence of any medical conditions or medications that can affect the rate of digestion and elimination.
What causes trisomy?
The most common cause of trisomy is a phenomenon known as nondisjunction.
During nondisjunction, the chromosomes fail to separate properly during the formation of gametes, leading to an unequal distribution of genetic material. This can occur in the mother or father's sperm or egg, leading to a fertilized egg with an extra chromosome. In the case of Down syndrome, this is typically caused by an extra copy of chromosome 21. Other trisomies can be caused by an extra copy of any chromosome.
In some cases, trisomy can be caused by a phenomenon known as mosaicism. Mosaicism occurs when the extra chromosome is only present in some of the body’s cells, rather than in all of them. This can lead to a variety of symptoms depending on which cells have the extra chromosome and which don’t.
Environmental factors can also play a role in causing trisomy. Exposure to certain chemicals or radiation can increase an individual’s chance of having a child with a trisomy. Additionally, advanced maternal or paternal age can also increase the risk of having a child with a trisomy, as the likelihood of nondisjunction increases with age.
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Many species of organisms, including grasshoppers and foxes, live in an abandoned field. Is the carrying capacity of the field the same for both grasshoppers and foxes?
Support your answer with an explanation.
No, the carrying capacity of the field is not the same for both grasshoppers and foxes.
What is a habitat?
A habitat is an area where a particular species of plant or animal lives and interacts with its physical environment. It includes the physical environment, such as climate, soil, sunlight, water, and food sources, as well as the living organisms that inhabit it.
The carrying capacity of a habitat is the maximum number of individuals of a species that can be supported in that habitat at any given time. Factors such as food availability, predators, and the climate of the habitat all play a role in determining the carrying capacity of a habitat. For example, a field may be able to support a larger population of grasshoppers than it can of foxes due to the availability of food sources for grasshoppers, but the same field may not be able to sustain as many foxes due to the presence of predators and a lack of shelter.
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What goes in glycolysis
The final product of glycolysis is pyruvate, Adenosine triphosphate (ATP), NAD+, and glucose are the three inputs that go into glycolysis.
What are the three components of glycolysis?Adenosine triphosphate (ATP), NAD+, and glucose are the three inputs that go into glycolysis. In aerobic and anaerobic environments, the end result of glycolysis is pyruvate, respectively. The Krebs cycle is activated by pyruvate to produce more energy.The final product of glycolysis is pyruvate, which is then converted into energy and two ATPs (Glucose + two NAD+, two ADP, and two pi = two pyruvate, two NADH, two H+, two ATP, and two molecules of water). In order to phosphorylate, the hydroxyl groups are necessary. Glycolysis uses glucose 6-phosphate as a particular type of glucose.To learn more about glycolysis refer to:
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Energy and pyruvate are the byproducts of the breakdown of glucose. The particular form of glucose used in glycolysis is glucose 6-phosphate.
What is the main product of glycolysis?The final product of glycolysis is pyruvate, which is then converted into energy and two ATPs (Glucose + two NAD+, two ADP, and two pi = two pyruvate, two NADH, two H+, two ATP, and two molecules of water). In order to phosphorylate, the hydroxyl groups are necessary. Glycolysis uses glucose 6-phosphate as a particular type of glucose.
In aerobic and anaerobic environments, the end result of glycolysis is pyruvate, respectively. The Krebs cycle is activated by pyruvate to produce more energy. For cells, ATP serves as a form of currency. It enables cellular transport and short-term energy storage for endergonic chemical processes. RNA nucleotides with three phosphate groups attached make up the structure of ATP.
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What are the main stages of the Calvin cycle and in what order do they occur?
The main stages of the Calvin cycle are: Carbon fixation, Reduction, and Regeneration, Generation of sugars.
The Calvin cycle, also known as the light-independent reactions or the dark reactions, is a series of enzyme-catalyzed reactions that occur in the stroma of chloroplasts, and it is responsible for the carbon fixation and the production of glucose in photosynthesis. The main stages of the Calvin cycle are:
1. Carbon fixation: CO2 is added to a five-carbon sugar called ribulose bisphosphate (RuBP) to form an unstable six-carbon compound.
2. Reduction: The unstable six-carbon compound is split into two molecules of a three-carbon compound called 3-phosphoglycerate (3-PGA).
3. Regeneration: 3-phosphoglycerate is converted into glyceraldehyde-3-phosphate (G3P) and is used to regenerate RuBP for the next round of the cycle
4. The G3P is then used to generate glucose or other sugars.
It's important to note that the cycle requires energy from ATP and reducing power from NADPH produced in the light dependent reactions, the cycle continues in a series of enzyme catalyzed reactions until the required amount of sugar is produced.
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Can someone give me the answers rq
The parasympathetic system counteracts the sympathetic system is an example of nervous system maintains homeostasis.
What do you mean by homeostasis?Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance.
The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature.
The range between high and low body temperature levels constitutes the homeostatic plateau- the “normal” range that sustains life. As either of the two extremes is approached, corrective action returns the system to the normal range.
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5 objects that are in motion
Can someone pls give me the answer to this?
control group= 10 mice that weren't exposed
independent variable: microwave
dependent variable: mice being able to push the block away
A cork has a mass of 5 g and a volume of 10 mL. What is the density of the cork?
5/10 or 1/2
10/5 or 2
5x10 or 50
5+10 or 15
The density of the cork that has a mass of 5 g and a volume of 10 mL is ⁵/10 or ½ (option A).
How to calculate density?Density is the measure of the mass of matter contained by a unit volume. It can be calculated by dividing the mass of the substance by its volume as follows:
Density = mass (g) ÷ volume (mL)
According to this question, a cork has a mass of 5 g and a volume of 10 mL. The density of the cork can be calculated as follows:
Density = 5g ÷ 10mL
Density = ⁵/10 or ½ g/mL
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Which phrase describes the movement of air in general?
O from south to north
O from high pressure to low pressure
O from low pressure to high pressure
O from north to south
How many dominant and recessive traits will be produced in the progeny of F2?
In in the progeny of F2, the genotypic ratio of dominant and recessive traits will be produced is 3:1.
Mendel frequently noted a phenotype ratio of three plants with the dominant phenotype to one plant with the recessive phenotype in the F2 generation, the offspring of monohybrid crossings.
The genotype of the F2 progeny in a monohybrid cross might take on homozygous dominant, heterozygous, or homozygous recessive forms.
Mendel performed a number of crosses on the garden pea plant to gain insight into the inheritance pattern of characteristics. A monohybrid cross, which shows the pattern of inheritance of a single gene with two alleles, controlling a single character with two attributes, is one of these hybrids.
A monohybrid cross examines just one character. Consider the pea plant's height as an example. Tall and dwarf are the two characteristics of height that are displayed. The height-regulating gene is shown as T/t. The mutation "T" causes plants to be tall, whereas the allele "T" causes them to be dwarf.
Purebred or homozygous parents are chosen for the cross depending on the desired features. This indicates that the genotype of the tall parent plant will have both of the T and TT alleles. The genotype of the dwarf parent plant will contain both 't' alleles as 'tt'.
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the coronary arteries that nourish the myocardium arise from the ___
Answer:meart
Explanation:idek
Can someone answer this please hurry!!!! 85 points for the entire data table (correct answers)
Tables, relationships, and constraints are all included in a data set. The tables of a Data Set are represented in ADO.NET by Data Table objects.
What is Data Tables?The data table is arguably the most fundamental component of business intelligence. In its most basic form, a table is made up of a set of intersecting columns and rows, together with a header row that lists the titles of the columns to help the user comprehend the table's content.The in-memory feature is present in one or more dataset tables that make up the data set. A database table with an in-memory feature is stored in a data table as a single or unit. Data tables come together to form a data set. For easier access to the data, a data table has several rows and columns.The distinction between a dataset and a data table is minimal; a dataset is essentially a collection of data tables.To learn more about data refer to:
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which of the following did NOT conduct experiments on viruses and bacteria as a way to study genetics
A. Hershey and Chase
B. Avery
C. Watson and Crick
D. Griffith
Watson and Crick did NOT conduct experiments on viruses and bacteria as a way to study genetics rather they conducted studies on the structure of DNA.
The correct option is C.
What is genetics?Genetics is described as the study of genes, genetic variation, and heredity in organisms and is an important branch in biology because heredity is vital to organisms' evolution.
Watson and Crick's study on genetics was focused on the structure of DNA.
Rosalind Franklin obtained images of DNA using X-ray crystallography, an idea first broached by Maurice Wilkins.
The Franklin's images allowed James Watson and Francis Crick to create their famous two-strand, or double-helix, model.
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bru pls help me like i rlly dont understand bio at all
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Alkanes contain the maximum possible amount of hydrogen, they are known as being __________.
Alkanes contain the maximum possible amount of hydrogen, they are known as being saturated hydrocarbon
Why are alkanes called saturated hydrocarbons?Each alkane's carbon skeleton is fully saturated when all four of its valencies are bound to either hydrogen atoms, carbon atoms, or both of them through a single covalent bond. Alkanes are hence referred to as saturated hydrocarbons.
Alkanes are a homologous sequence, why?
A homologous succession of alkanes is formed. The general formula for the alkanes is the same as for other homologous series. in their molecular formulas from nearby compounds by CH 2. Alkanes have a variety of uses in manufacturing. They serve as the raw ingredients for the synthesis of alcohols, polymers, lacquers, detergents, and fuels.
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If a heterozygous is crossed with a homozygous recessive, what are the possible genotypes and phenotypes of the offspring and the percent chance for each?
When a heterozygote is crossed with a homozygous, the probability of a homozygous recessive offspring is 25%, or 0.25. Homozygous dominance is 25% (0.25) and 70% for heterozygotes.
What are heterozygotes?The presence of two distinct alleles at a specific gene locus. A heterozygous genotype may consist of one normal allele and one mutated allele, or two distinct mutated alleles. Individual organisms with different alleles (Rr) are referred to as heterozygous.
Individuals who have two identical alleles (RR or rr) are said to be homozygous. The phenotypic ratio of a monohybrid cross is 3:1 (dominant to recessive) and the genotypic ratio is 1:2:1. (homozygous dominant to heterozygous to homozygous recessive). The likelihood of a homozygous recessive offspring is 25%.
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Why do rainforests have high humidity?
Winds, rains, and sunshine are blocked by the canopy, resulting in a damp, quiet, and gloomy environment below. Trees have adapted to the wet conditions by creating glossy leaves with pointed points that repel water.
Tropical rainforests are also humid; roughly 88% during the wet season and approximately 77% during the dry season. Tropical rainforests are situated near the equator, between the Tropics of Cancer (23°27'N) and Capricorn (23°27'S). The equator is exposed to direct sunlight.
Because of the high temperatures and plenty of water, the environment in the tropical rainforest is hot and humid.
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Organisms need energy for chemical reactions to build larger molecules. They also need energy to move and to stay __________. What one word completes the sentence? (hint: the answer is not "alive").
Answer:
I dont think there is any other answer than ALIVE
A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule.
Based on the information given, the following statements likely apply to the molecule:
- The molecule is an organic compound, as it contains the elements carbon, hydrogen, and oxygen.
- The molecule is likely a carbohydrate, as many carbohydrates have a ring shape and a 1:2:1 ratio of carbon, hydrogen, and oxygen atoms.
- The molecule is likely a sugar, as many sugars are ring-shaped carbohydrates
- The molecule is likely a monosaccharide. Monosaccharides are simple sugars and are the building blocks of more complex carbohydrates like disaccharides and polysaccharides. They are composed of C, H, and O in a ratio of 1:2:1, fitting the information provided.
- The molecule is likely to be a cyclic compound, due to the ring shape made up of atoms.
It is important to note that this information is not enough to definitely identify the molecule, there are several compounds that can fit in this description such as Glucose, Fructose, and Ribose. Additional information and testing would be needed to definitively identify the molecule.
What are normal blood sugar 2 hours after eating for non diabetics?
70 to 90 mg/dL
Explanation:
Question 10 of 10
If a human baby's cells contain one X chromosome and one Y chromosome,
the baby must be.
OA. haploid
OB. male
OC. prokaryotic
OD. female
SUBMIT
A human infant must be a boy if his or her cells have one X and one Y chromosome.
What is a chromosome's primary purpose?DNA may be precisely duplicated during these dividing cells thanks to chromosomes. So, once more. The chromosomes found in the nuclei of our cells allow for exact DNA reproduction during cell replication. This ensures that our internal procedures are efficient and successful.
How many DNA molecules make up a chromosome?One DNA molecule and one protein make up each chromosome. Histone proteins allow different chromosomal sizes to be condensed into a single nucleus. The Chromosome Y, however, stands out from the rest since there are data points for only one of the
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How did earthworms get to North America?
With the first European settlers in North America in the 1600s, new earthworms started to arrive. They crossed over in dry ship ballast or root balls.
Second colonization was taking place under the feet of the British, French, Spanish, and Dutch as they conquered the American continent. In the majority of the United States, almost every earthworm originated elsewhere. Native earthworms were nearly exterminated by glaciers from a Pleistocene ice period more than 10,000 years ago. Few made it farther south. Today, however, almost all earthworms found north of Pennsylvania are introduced species.
Earthworms are often welcomed in the soil by gardeners. However, their invasion has caused significantly more damage to forests.
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What chromosomes do you get from your mother and father?
The chromosome from the mother is the X chromosome, while the chromosome from the father is the Y chromosome.
What is a chromosome?Chromosomes are thread-like molecules that carry hereditary information for everything from height to eye color. Chromosomes are made of protein and a molecule of DNA which contains the genetic instructions an organism inherits from its parents.
These chromosomes will then be passed on to the child. Boys will get an X chromosome from their mother, while they will get a Y chromosome from their father. While girls will get each X chromosome from their mother and father.
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Answer: How many chromosomes do you receive from your mother and your father?
Explanation:
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