The secondary growth in stems and roots of woody plants produced by the vascular cambium.
What is secondary growth?
The secondary growth is a type of growth that occurs in the lateral direction. It adds to the girth of the plant's stem and roots. Secondary growth is a feature of dicotyledons and gymnosperms. The secondary growth in dicots is due to the activity of the vascular cambium.
Secondary growth is an increase in diameter, girth, and circumference due to the addition of secondary tissue (secondary cortex, secondary phloem, and secondary xylem) formed by the activity of vascular cambium in the stelar region (region inside the pericycle) and cork cambium (phellogen) in the extrasellar region of a plant.
Secondary tissue consists of secondary cortex, secondary phloem, and secondary xy (the region outside the pericycle, i.e., cortex).
The activity of the vascular cambium gives rise to a new layer of secondary xylem to the inside of the existing xylem and a new layer of secondary phloem to the outside of the existing phloem. As a result, the plant's girth continues to increase.
The cork cambium, which is also known as the phellogen, produces cork cells to the outside of the plant, which protect the plant's secondary phloem.
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dorsal a is referring to the ______. (1 point) trapezius frontalis gracilis triceps
Dorsal refers to the back side of the body, so dorsal A would be referring to the trapezius muscle.
The term "dorsal" is used in anatomy to describe the posterior or back side of the body. It is the opposite of ventral, which refers to the anterior or front side. Dorsal A, therefore, would be indicating a structure located on the back side of the body.
Among the options provided, the trapezius muscle is the only one that is primarily located on the dorsal side of the body. The trapezius is a large, superficial muscle that spans the upper back and neck region. It extends from the base of the skull and the vertebrae of the neck and upper spine to the shoulder girdle.
The frontalis is a muscle located in the forehead and is not on the dorsal side. The gracilis is a muscle found in the inner thigh, and the triceps muscle is located on the posterior side of the upper arm. Therefore, the trapezius muscle is the correct answer for dorsal A, as it corresponds to the back or dorsal side of the body.
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the reaction allows us to amplify tiny amounts of dna, creating a powerful tool for diagnosis, forensics, and microbial investigation
The polymerase chain reaction allows us to amplify the tiny amounts of the dna, creating a powerful tool for diagnosis, forensics, and microbial investigation
Polymerase chain reaction (abbreviated PCR) is the laboratory technique for the rapidly producing (amplifying) millions or billions of the copies of a specific segment of the DNA, which can be then be studied in the greater detail PCR is a very powerful and the significant analytical tool to use for the forensic DNA typing because of the researchers only they need a very small amount of the target DNA to be used as for analysis. For example, a single human hair with the attached hair follicle has the enough DNA to be conduct the analysis.
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molecules that cut dna at specific sequences are known as
Answer:
Restriction enzyme, also called restriction endonuclease, a protein produced by bacteria that cleaves DNA at specific sites along the molecule
Explanation:
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When storm clouds produce lightning and thunder,
electric potential
energy changes to
energy and
energy.
Evidence for ______ is provided by an Erickson (1963) study in which rats appeared to be unable to discriminate between two different solutions that produce a similar taste.
The evidence provided by Erickson’s (1963) study is for the inability of rats to discriminate between two different solutions that produce a similar taste.
In the study, rats were presented with two solutions, one of which contained a flavor and the other a control solution. The results showed that the rats were unable to distinguish between the two solutions, suggesting that rats are unable to discriminate between solutions with similar tastes.
This demonstrates that rats have a limited capability when it comes to taste discrimination. Furthermore, this study provides evidence that taste discrimination can be difficult even for animals with a well-developed sense of taste.
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Asthma is... Question 38 options: a) caused by Myobacterium tuberculosis. b) due to an excessive stimulation of smooth muscle in bronchioles. c) an obstructive tumor targeting primarily the terminal bronchioles. d) a collapsed lung resulting from insufficient production of surfactant. e) characterized by fluid buildup in the alveoli
Answer:
The answer is b) due to an excessive stimulation of smooth muscle in bronchioles.
All of the organisms in the domain Archaea are
A. prokaryotes
B. eukaryotes
C. autotrophs
D. multicellular
All of the organisms in the domain Archaea are prokaryotes.
Archaea are unicellular organisms with no nuclei, hence are prokaryotes.
Characteristics of Archaea Greek word Archaios means ancient.They are unicellular organisms that resemble bacteria and have some similarity to eukaryotes.Hence a third domain Archaea was introduced by Carl Woese based on ribosomal RNA analysis.They can live in extreme conditions like higher temperature, higher cold regions etc.To learn more about prokaryotes :
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Which of the following is an example of an involuntary movement? A your stomach rumbling B snapping your fingers C shaking your leg D waving your arm
Answer:
A, Your stomach rumbling because you are not controlling the movement of that part, the rest are optional and only occur when there is a specific incident. In simple words you cannot control your stomach with your brain, but the other movements are controlled by a part of your brain :D
Explanation:
An example of an involuntary movement is : ( A ) Your stomach rumbling
What is an Involuntary movement ?
An involuntary movement is an uncontrolled movement which can be caused by different conditions and is not controlled by the brain. The rumbling of the stomach is not controlled by the brain and can occur even without the notice or approval of the individual therefore it is an involuntary movement.
Hence we can conclude that an example of an involuntary movement is : ( A ) Your stomach rumbling.
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_____ is the idea that each cerebral hemisphere processes certain types of information and excels at certain activities.
Hemispheric lateralization is the idea that each cerebral hemisphere processes certain types of information and excels at certain activities. The term "hemispheric lateralization" describes how the left and right cerebral hemispheres, which are joined by the corpus callosum, work differently.
The left hemisphere is in charge of the right half of the body and is mostly in charge of verbal operations like syntax and vocabulary as well as literal meaning.
The left side of the body is controlled by the right hemisphere, which is primarily in charge of visual tasks including identifying connections, combining and synthesising data, and coming up with intuitive ideas.
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12. A lizard will drop its tail to escape a predator and then regrow the tail.
What type of cell division is needed?
O A. Cytokinesis
O B. Mitosis
O C. Meiosis
O D. Both mitosis & meiosis
Please help
Answer:
A. Cytokinesis
Explanation:
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In a controlled environment,
can be used to slow the decay process in foods.
A. gamma rays
B. infrared radiation
C. microwaves
D. x-rays
Given what we know, we can confirm that both gamma rays and x-rays can be used to slow the decay process in foods.
What are gamma rays and x-rays?Both of these are forms of ionizing radiation. Applying these to food is known as food irradiation. What this accomplishes, is that the food that is irradiated will have its chemical bonds altered, slowing the decay process.Therefore, since both gamma rays and x-rays offer ionizing radiation to the food, which affects the chemical bonds and allows the food to have a longer shelf life, we can confirm that they can be used to slow the decay process in foods.
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Which of the following best matches a part of a living cell with the function it performs? (1 point)
a
Cytoplasm: fluid which carries the nucleus and other organelles
b
Vacuole: fluid which carries the nucleus and other organelles
c
Cytoplasm: directs all of the cell's activities
d
Vacuole: directs all of the cell's activities
Answer:
it should be a, because all the oragnneles and nucleus exist on cytoplasm
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What do prokaryotic and eukaryotic cells have in common?
mitochondria
nucleus
cytoplasm
lysosomes
What do the results of these crosses suggest about the inheritance of color and tail fin shape in goldfish?.
The inheritance of color and fin shape are each due to segregation of two alleles at a single gene is the right response about the inheritance of color and tail fin shape in goldfish.
Color gene consists of two allele of a gene = AaFin shape gene also consists of two allele of different gene = BbThat is in line with Mendel's law. Gold after the first cross of black and gold (F1 generation). The only fish in this F1 generation are gold in color. Because there is only one type in the F1 generation, we may state that the dominant color is gold and that both of the parental colors are homozygous (gold).
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Question correction:
An experienced goldfish breeder receives two unusual male goldfish. One is black rather than gold, and the other has a single tail fin rather than a split tail fin. The breeder crosses the black male to a female that is gold. All the F1 are gold. She also crosses the single-finned male to a female with a split tail fin. All the F1 have a split tail fin. She then crosses the black male to F1 gold females and, separately, crosses the single-finned male to F1 split-finned females. The results of the crosses are shown below.
Black male ×F1 gold female:
Gold 32
Black 34
Single-finned male ×F1 split-finned female:
Split fin 41
Single fin 39
1. What do the results of these crosses suggest about the inheritance of color and tail fin shape in goldfish?
-The inheritance of color and fin shape are due to segregation of two alleles at the same gene.
-The inheritance of color and fin shape are each due to segregation of two alleles at a single gene.
-The inheritance of color is due to segregation of two alleles at different genes; the same is true for fin shape.
The diagram below shows a single celled alga which lives in fresh water.
Please help
Answer:
ai. Chloroplast
aii. Cell wal
bi. Osmosis
bii. The rigid cell wall doesn't let thr cell membrane inflate too much, which prevents it from bursting.
ci. Yes, you are correct.
during the secretory phase of the uterine cycle, . during the secretory phase of the uterine cycle, . the functional layer of the endometrium regenerates the endometrium is shed ovulation occurs the endometrium prepares for implantation
During the secretory phase of the uterine cycle, the functional layer of the endometrium prepares for implantation. The uterine cycle, also known as the menstrual cycle, consists of three phases: the menstrual phase, the proliferative phase, and the secretory phase.
The secretory phase occurs after ovulation, which is the release of an egg from the ovary.
During this phase, the ruptured follicle in the ovary forms the corpus luteum, which secretes progesterone. Progesterone is responsible for preparing the endometrium for the potential implantation of a fertilized egg.
Under the influence of progesterone, the functional layer of the endometrium thickens and becomes more vascularized, developing an increased number of glands.
If fertilization and implantation do not occur, hormone levels drop, leading to the shedding of the functional layer during the subsequent menstrual phase. However, if fertilization does occur, the fertilized egg implants into the prepared endometrium, and pregnancy begins.
In summary, during the secretory phase of the uterine cycle, the functional layer of the endometrium prepares for implantation by thickening and becoming more glandular under the influence of progesterone.
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What is the purpose of the secretory phase in the uterine cycle?
Which of the following is not a renewable resource?
A. Groundwater
B. Trees in forest
C. Fertile soil
D. Oil
Answer:
oil is not a renewable resource
Answer:
D. Oil
Step-by-step explanation:
Once oil is used up, it cannot be replaced. It is gone forever.
What advice should you give to a person exercising on a very hot day
Answer:
uh stop exercising on a hot day? i dunno...
Explanation:
Answer:
Tell them to bring water, not to wear sweaters, hoodies, or jackets, and just make sure that it's not 100 degrees outside and stuff, ig-
Explanation:
Sorry if this doesn't help-
How many significant figures in 20.8cm?
Answer:
\(\Huge \boxed{3}\)
Explanation:
Significant figures include non-zero digits and in between zeros.
2 0 . 8
20.8 has 3 significant figures.
Answer:
\(\huge\boxed{3 \ significant \ figures}\)
Explanation:
There are 3 significant figures in
2 0 . 8
According to the rules of significant figures:
=> All non-zero digits are significant.
=> Zeroes that come between 2 non-zero digits are also significant.
So, 3 significant figures in the term 20.8 cm.
What energy transformation can the student describe as occurring between point X and point Y?
Answer:
Particle motion decreases when thermal energy
is added to the system.
Explanation:
the government should punish crimes and enforce voluntary agreements, but not redistribute income.
According to libertarianism, the government should only punish criminal behavior and uphold voluntary agreements, not redistribute wealth.
Libertarians contend that no ideal income distribution can be achieved by the government taking from some people and giving to others.
A political philosophy that prioritizes individual liberty as the most important political value. It can be viewed as a subset of liberalism, the political theory championed by Thomas Jefferson, the Scottish economist Adam Smith, and the English philosophers John Locke and John Stuart Mill. Liberalism aims to define and defend the legal authority of the state in terms of a few inherent or divinely endowed human rights.
These liberties include those to life, liberty, private property, freedom of expression and association, freedom of religion, consent-based government, equality before the law, and moral autonomy (the right to live one's own version of the "good life" or happiness).
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Joan was born with six toes on each foot, a dominant trait called polydactyly. Two of her five siblings and her mother, but not her father, also have extra digits. What is Joan's genotype for the number-of-digits character? Explain your answer. Use D and d to symbolize the aleles for this character.
Joan's genotype for the number-of-digits character (polydactyly) can be deduced. Let's use D to symbolize the dominant allele for polydactyly (having extra digits) and d to symbolize the recessive allele (normal number of digits).
Since polydactyly is a dominant trait, individuals with either one or two copies of the dominant allele will express the phenotype. We know that Joan has six toes on each foot, which indicates that she expresses the polydactyly phenotype. Since her father does not have extra digits, it suggests that he does not carry the dominant allele and is most likely homozygous recessive (dd) for the number-of-digits gene.
Now, let's consider Joan's mother and siblings. We are told that two of her five siblings and her mother have extra digits, indicating that they also express the polydactyly phenotype. From this information, we can infer that Joan's mother must carry at least one copy of the dominant allele (D) since she expresses the polydactyly phenotype. Joan's mother could be either heterozygous (Dd) or homozygous dominant (DD).
Given that Joan has polydactyly and her father is homozygous recessive (dd), the only way for Joan to inherit the polydactyly trait is if she receives a dominant allele (D) from her mother. Therefore, Joan's genotype for the number-of-digits character would be heterozygous (Dd), with one dominant allele (D) and one recessive allele (d).
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Questions why is the heating in the Benedict's is test and millon test carried out in a water bath
The heating in the Benedict's test and Millon test is carried out in a water bath to maintain a constant and controlled temperature. This ensures accurate and reliable results by minimizing external factors that could influence the reactions taking place.
The Benedict's test and Millon test are both chemical tests used to detect the presence of reducing sugars, such as glucose, in a given solution. These tests involve a reaction between the reducing sugar and a reagent, which undergoes a color change in the presence of the sugar.
Heating is an essential step in both tests because it helps to facilitate the reaction between the reducing sugar and the reagent. By applying heat, the rate of reaction increases, allowing for faster and more reliable results. However, it is crucial to maintain a consistent and controlled temperature throughout the reaction to ensure accuracy.
A water bath is used for this purpose. A water bath consists of a container filled with water that is heated to a specific temperature, typically around 70-100 degrees Celsius, depending on the test being performed. Placing the test tubes containing the reaction mixture into the water bath allows the solution to be heated uniformly and consistently.
The water bath provides a stable and controlled environment, preventing sudden temperature fluctuations that could affect the reaction rate and, consequently, the test results. It helps to maintain the reaction at the desired temperature for a specified duration, ensuring optimal conditions for the reaction to occur.
By carrying out the Benedict's test and Millon test in a water bath, scientists and laboratory technicians can achieve reliable and reproducible results, allowing for accurate identification of the presence of reducing sugars in a given solution.
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identify one way that stress has had a positive effect on your performance.
One way that stress has had a positive effect on my performance is through a concept known as "eustress," which refers to the beneficial aspects of stress.
Eustress has helped me become more focused, motivated, and productive in challenging situations. For instance, when facing tight deadlines or complex tasks, the stress experienced pushes me to prioritize my work, manage my time effectively, and concentrate on the task at hand, this positive form of stress has also enhanced my ability to do adaptation and learn new skills. When faced with unfamiliar situations, the stress serves as a signal that I need to grow and improve, leading me to seek out new resources and strategies to tackle the problem. Eustress encourages me to push past my comfort zone, ultimately resulting in personal growth and increased confidence in my abilities.
Furthermore, eustress can boost my creativity and problem-solving skills. The pressure to perform well under stress often leads to innovative solutions and unique perspectives on challenging issues. In conclusion, while excessive stress can be detrimental to performance, the right amount of eustress can serve as a powerful catalyst for improved focus, motivation, adaptability, and creativity, leading to better overall performance. One way that stress has had a positive effect on my performance is through a concept known as "eustress," which refers to the beneficial aspects of stress.
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Critically explain three aspects of growth
-toddler.
-childish.
- teenager.
-adult.
- older (over 50 years)
autism
Which of the following steps of the contraction cycle triggers ATP hydrolysis?
the myosin head binds to actin
the binding of ATP to the myosin head
power stroke
The myosin head detaches from actin.
The binding of ATP to the myosin head triggers ATP hydrolysis during the contraction cycle. This provides energy for the myosin head to detach from actin, allowing for the cycle to continue.
During muscle contraction, the myosin head binds to actin, forming a cross-bridge. This cross-bridge is broken when ATP binds to the myosin head, causing it to release from actin.
The energy released from ATP hydrolysis powers the myosin head to change conformation and rebind to actin, leading to the power stroke and muscle contraction.
Once the power stroke is complete, the myosin head detaches from actin, allowing the cycle to repeat. Therefore, the binding of ATP to the myosin head triggers ATP hydrolysis and is essential for muscle contraction.
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are males more likely to have hypophosphatemia than females explain
Answer:
Males are more likely to have hypophosphatemia.
Explanation:
In females, a mutation would have to happen in both copies of the genes to cause the disorder. It is rare having females with 2 altered copies of this gene. Males are X-linked by recessive disorders much more frequently then females.
Help -
this is important sksk I’m taking a test and I need a good grade
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Answer:northeast
Explanation:
Why do secondary sexual characters(jikffbihpz) grow during adolesecnece?
Answer:
typically develop during adolescence as a result of hormonal changes in the body.
Explanation:
I am not sure what you mean by "jikffbihpz." Could you please provide more context or clarify your question?
Also the term "secondary sexual characters" typically refers to physical characteristics that distinguish males from females in sexually reproducing species, such as antlers on male deer or breasts on human females. These characteristics are not related to the reproductive organs themselves (the primary sexual characteristics) and typically develop during adolescence as a result of hormonal changes in the body.
Which has three times as many O atoms than N atoms?
The Answer is B because if we just look at the moles of nitrogen and oxygen they are in the ratio of 1:2. Since there are 3 moles with it, Even if we when we multiply this ratio by 3 the answer will be 3:6 and 6 is the double of 3 so B is the answer
HOPE IT HELPS!
Answer:
b
Explanation: