The primary water conducting tissue that you would see in a stem cross section is called the xylem (true or false)
Answers
True. The primary water conducting tissue that you would see in a stem cross section is called the xylem.
Xylem is a complex tissue composed of specialized cells, including tracheids and vessel elements, that transport water and minerals from the roots to the rest of the plant. In a cross section of a stem, xylem tissue is typically located towards the center, while phloem tissue (which transports sugars and other organic compounds) is typically located towards the outside of the stem.Xylem is a specialized tissue in vascular plants that is responsible for the transport of water and minerals from the roots to the rest of the plant. It is made up of a complex network of specialized cells that are arranged end-to-end to form long, continuous tubes or vessels. The two main types of cells in xylem are tracheids and vessel elements. Tracheids are long, narrow cells that have thick, lignified walls and tapered ends. They are found in all vascular plants, including ferns, gymnosperms, and angiosperms. Tracheids transport water and minerals through small, interconnected pits in their walls. Vessel elements are wider and shorter than tracheids and have perforations in their walls that allow water and minerals to flow freely between adjacent cells. Vessel elements are only found in angiosperms, which are flowering plants. In a cross section of a stem, the xylem tissue can usually be seen as a series of small, circular or oval-shaped rings. These rings are actually cross sections of the long, continuous tubes or vessels that make up the xylem tissue. The number and arrangement of these rings can provide important information about the age and growth rate of the plant.
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Related Questions
Why do the winds appear curved above the surface of the Earth?
Answers
Answer:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect. Click the image for a larger view.
Explanation:
summarize the future use of dna technology here in 20 words or more
Answers
Answer:
DNA testing has gone mainstream. The cost of DNA sequencing has reduced faster than Moore's Law. With an estimated cost of $100 in the foreseeable future, DNA sequencing becomes more accessible and opens up new use cases, such as wider adoption of population sequencing
Explanation:
5. Why are people concerned with the pollution of groundwater
resources?
I
Answers
Answer:
They are concerned because that is natural water. Water, for ALL organisms is needed to live, so we also have to keep it safe for us and there life to live.
Explanation:
hope this helps
"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
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If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
when the initial neuron releasing a neurotransmitter into the synapse reabsorbs some of the neurotransmitter and thereby decreases the amount of neurotransmitter left in the synapse, the process is called
Answers
The process in which the initial neuron releasing a neurotransmitter into the synapse reabsorbs some of the neurotransmitter and thereby decreases the amount of neurotransmitter left in the synapse is called reuptake.
Reuptake is a process where the initial neuron releasing a neurotransmitter into the synapse reabsorbs some of the neurotransmitter and thereby decreases the amount of neurotransmitter left in the synapse.
Reuptake is an essential process for stopping neural signaling. When a neuron communicates with another neuron, it releases neurotransmitters into the synaptic cleft, which binds to the receptors on the postsynaptic neuron.
After that, the excess neurotransmitters are reabsorbed by the initial neuron via reuptake.
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Using the letters Qq and Tt, show the genotype for the following:
Heterozygous for both tralts
Homozygous for both traits
Homozygous dominant for Q and heterozygous for T.
Heterozygous for Q and homozygous recessive for T
Answers
Answer:
below.
Explanation:
1. Heterozygous for both traits: QqTt
2. Homozygous for both traits: QQTT or qqtt
3. Homozygous dominant for Q and heterozygous for T: QQTt
4. Heterozygous for Q and homozygous recessive for T: Qqtt
Hope this helps! :)
what do the term phycobiont and mycobiont signify ?
Answers
Answer:
Phycobiont refers to the algal component of the lichens and mycobiont refers to the fungal component. Both of these are present in a symbiotic relationship in which algae prepare food for fungi due to the presence of chlorophyll whereas the fungus provides shelter to algae and absorbs water and nutrients from the soil.
Explanation:
Student Response Sheet
MAPPING ACTIVITY 3A: AERIAL SURVEY OF CALIFORNIA GEOLOGY AND GEOGRAPHY
Can someone help on doing this I am really lost and don’t know what to do I just need to locate the 3 points that’s all :(
Answers
This prompt is about locating the epicenter of an earthquake. In seismology, the epicenter, epicentre, or epicentrum is the point on the Earth's surface directly above a hypocenter or focus, where an earthquake or subsurface explosion starts.
How to locate the epicenter of a earthquakeWhen an earthquake happens, it sends out waves that travel through the ground, and we can measure those waves using special machines called seismographs. To find out where the earthquake happened, we need to use data from at least three seismograph stations that recorded the earthquake.
We start by looking at the time it takes for different waves to reach each station. First, we look at the arrival time of the primary (P) wave, which travels faster and arrives first. Then, we look at the arrival time of the secondary (S) wave, which is slower and arrives second. We calculate the time difference between the arrival of the P and S waves at each station.
Next, we use the time difference to figure out how far away the earthquake was from each station. We use a special formula to do this, which takes into account how fast the waves travel through the Earth's crust.
We then plot the distance from each station on a map, creating circles around each station with the distance as the radius. Where the three circles overlap is the epicenter of the earthquake. This is the point on the Earth's surface directly above where the earthquake started.
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Which statement describes the role of the organism indicated by the blue arrow in the food web?
Answers
Answer:
The Answer is D-A primary consumer that obtains its energy from the consumption of plants
Explanation:
I took the test
Each enzyme catalyzes one particular chemical reaction. which term describes this property of enzymes?
Answers
This property of enzymes is known as enzyme-substrate specificity.
Enzyme- Proteins called enzymes serve as biological catalysts by quickening chemical reactions. The molecules upon which enzymes may function are termed substrates, and the enzyme changes the substrates into new molecules known as products.
Enzyme-Substrate Specificity- Specificity is a property of the enzyme, indicating what type of linkage the enzyme acts on. Completely specific enzymes would act only on a particular chemical structure, rather than several kinds of similar molecules.
Chemical Reaction- When molecules undergo a chemical reaction, the bonds among atoms in the reactants are broken and newly formed bonds form a new product is called the Chemical Reaction.
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which of the following is a true statemeant about scientific inquiry
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Answer:
uhm nasaan po yung pag pipilian?
Biology it’s due today pls help
Answers
Answer:
Labelled diagram of air travel to aloevia hope it will help you
how do flowering plants reproduce ( secually, asexually, or both
Answers
Answer: Flowering plants can reproduce both by sexual and asexual means of reproduction. Sexual reproduction involves the fusion of male and female gametes which takes place through pollination by birds, insects, and water. This pollination causes the fertilization and the female ovules grow into seeds.
Explanation: No need to thank me
Answer: Both, depending on what type of flower the plant is. Some plants reproduce asexually, while other reproduce sexually. Some plants reproduce both ways. Therefore, it depends on the type of flower/plant the flowering plant is.
I hope this helps! May I please have brainliest? :>
Flexible and changing behavioral patters among nonhuman primates interest scientists because they provide clues about:
Answers
Flexible and changing behavioral patterns among nonhuman primates interest scientists because they provide clues about their cognitive abilities, social dynamics, and adaptive strategies. By studying these patterns, researchers gain insights into the mental processes and decision-making abilities of nonhuman primates.
Flexibility in behavior allows primates to adapt to different environmental conditions and challenges. For example, they may adjust their foraging strategies based on food availability or modify their social interactions in response to changes in group composition. These observations shed light on their problem-solving skills and capacity for learning.
Additionally, the study of changing behavioral patterns helps scientists understand the social dynamics within primate groups. By observing how relationships form, change, and dissolve, researchers gain insights into communication, cooperation, and conflict resolution among nonhuman primates.
Understanding the flexible and changing behavioral patterns of nonhuman primates is also essential for conservation efforts. It helps scientists assess the impact of environmental disturbances on primate populations and develop strategies for their protection.
In summary, the investigation of flexible and changing behavioral patterns among nonhuman primates provides valuable information about their cognitive abilities, social dynamics, and adaptive strategies.
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Flexible and changing behavioral patterns among non-human primates interest scientists because they provide clues about:
A. the earliest development of human cultural behavior
B. the psychological challenge that non-human primates face
C. migration behavior and possible human physical developments
D. the evolution of the great apes.
dietary fiber select one: a. is only in animal sources of food b. supplies more energy, gram per gram, than fat c. is not fully digested by the human intestinal tract d. promotes tooth decay
Answers
Dietary fiber c. is not fully digested by the human intestinal tract.
In the field of science, dietary fiber can be described as a part of food that is taken from plants that cannot be digested by humans.
Dietary fiber derived from plants is considered valuable for the body, especially in removing constipation. It is also known to lower the risk of a person from getting diabetes.
All other food nutrients have the ability to be broken down and be digested by the human body. However, the dietary fiber is not broken down and remains intact throughout the process of digestion. It is released from the colon and like other nutrients is not absorbed.
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The picture above is an example of what type of tissue?
Answers
Answer: Epithelial Cell
Explanation:
The given picture above is an example of epithelial tissue. Option 3 is correct.
Epithelial tissue is a type of tissue that covers the outside of the body and lines the inside of organs and cavities. It is made up of tightly packed cells that form a continuous sheet. Epithelial tissue has many functions, including:
Protection: Epithelial tissue protects the body from harmful substances and pathogens.Secretion: Epithelial tissue secretes substances such as mucus, sweat, and tears.Absorption: Epithelial tissue absorbs nutrients and other substances from the environment.Excretion: Epithelial tissue excretes waste products from the body.There are four main types of epithelial tissue:
Simple squamous epithelium: This type of epithelium is made up of a single layer of flat cells. It is found in the lining of the blood vessels, lungs, and kidneys.
Simple cuboidal epithelium: This type of epithelium is made up of a single layer of cube-shaped cells. It is found in the lining of the kidney tubules and the small intestine.
Simple columnar epithelium: This type of epithelium is made up of a single layer of column-shaped cells. It is found in the lining of the stomach, intestines, and uterus.
Stratified squamous epithelium: This type of epithelium is made up of multiple layers of flat cells. It is found in the skin, the lining of the mouth, and the esophagus.
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Which of the following are NOT considered biohazards? Select one: A. Infectious or invasive organisms B. Non-toxic proteins purified from rabbit blood C. Biological toxins D. Human cells
Answers
The answer is B. Non-toxic proteins purified from rabbit blood are not considered biohazards.
Biohazards refer to biological substances that have the potential to harm living organisms, including humans.
They can be infectious agents, biological toxins, or invasive organisms.
In this case, non-toxic proteins purified from rabbit blood do not pose a threat to human health or the environment.
These proteins are derived from a non-infectious source (rabbit blood) and do not have inherent toxic properties.
Therefore, they are not considered biohazards.
It is important to properly handle and dispose of biohazardous materials to prevent the spread of infectious diseases and ensure safety in laboratory or healthcare settings.
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The following table describes some biotechnological processes.
Biotechnological Processes
Process Description
1 Producing offspring that have identical DNA as one parent
2 Crossing a high-yielding fruit variety with a high-vitamin variety
Which biotechnological processes are described in the table? (3 points)
a
Both processes describe cloning.
b
Both processes describe genetic engineering.
c
Process 1 describes cloning and process 2 describes artificial selection.
d
Process 1 describes artificial selection and process 2 describes cloning.
Answers
Answer:
c . Process 1 describes cloning and process 2 describes artificial selection.
Explanation:
Process 1 describes cloning because offspring is produced that are similar to its parent and we know that in cloning, the offspring is identical to their parents while on the other hand, process 2 describes artificial selection because crossing between a high-yielding fruit variety with a high-vitamin variety is done which is only possible through the intervention of humans.
Clonal deletion occurs in the __________. view available hint(s)for part b blood thyroid thymus bone marrow
Answers
Clonal deletion occurs in the thymus. view available hint(s)for part b blood thyroid thymus bone marrow.
Clonal deletion is a process that occurs during T-cell development in the thymus gland. The thymus is a specialized organ located in the chest, responsible for the maturation and selection of T lymphocytes, which play a crucial role in the immune system.
During clonal deletion, T cells with receptors that recognize self-antigens too strongly are eliminated or rendered inactive. This process is important for establishing self-tolerance and preventing the immune system from attacking the body's own cells and tissues, which could lead to autoimmune diseases.
The thymus provides an environment where developing T cells are exposed to a wide range of self-antigens. Those T cells that react strongly to self-antigens undergo apoptosis (programmed cell death) or become functionally tolerant.
Overall, clonal deletion in the thymus helps to shape a diverse and self-tolerant T-cell repertoire, contributing to the proper functioning of the immune system.
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Which of the following is evidence that a chemical reaction has taken place?
Check all that apply. *
- unexpected color change
- release/absorb heat energy
- melt from solid to liquid
- solid precipitate forms
- gas bubbles form
Answers
Answer:
color change
release/absorb energy
solid precipitate forms
gas bubbles.
The wrong answer is melt from solid to liquid.
What are the disadvantages of nitrox diving?
Answers
Disadvantages of nitrox diving include oxygen toxicity, increased risk of fire and explosion, depth and bottom time limitations, higher costs, and the need for specialized equipment and training.
Nitrox diving is a type of scuba diving that uses air containing a higher concentration of oxygen than normal air. There are several advantages of nitrox diving, such as extended bottom times and decreased risk of decompression sickness. However, there are also a few disadvantages that need to be considered.
Disadvantages of nitrox diving: There are some disadvantages that need to be considered.
Firstly, nitrox is more expensive than regular air, as it requires special equipment and training. This can be a significant barrier to entry for many divers. Secondly, nitrox has a shallower maximum depth than regular air due to the increased oxygen concentration. This means that divers may need to ascend to shallower depths earlier, which can limit their exploration of deeper areas. Finally, nitrox is more flammable than regular air, which can be a safety risk if not handled properly.In summary, nitrox diving has several advantages, including extended bottom times and decreased risk of decompression sickness. However, there are also a few disadvantages, such as increased cost, shallower maximum depth, and increased flammability, that need to be taken into account when deciding whether to use nitrox for scuba diving.
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for animals housed outdoors, any shelters provided to them should be:
Answers
Animals housed outdoors should be provided with shelters that offer protection from the elements and promote their well-being.
In biology, the term "animal" refers to a diverse group of multicellular organisms that belong to the kingdom Animalia. Providing shelters for animals housed outdoors is essential to ensure their welfare and safety. These shelters should protect them from extreme weather conditions such as excessive heat, cold, rain, or snow. The shelters should be designed to offer shade and insulation, preventing the animals from overheating or becoming too cold. They should also be structurally sound and resistant to harsh weather, providing a secure environment for the animals.
Additionally, the shelters should be spacious enough to accommodate the animals comfortably, allowing them to move around and lie down without restrictions. Adequate ventilation is also crucial to maintain good air quality and prevent the buildup of moisture or odours inside the shelter. Overall, shelters for animals housed outdoors should prioritize their protection, comfort, and well-being.
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which western australian town is famous for the wild dolphins that allow themselves to be touched and hand fed by humans?
Answers
The Western Australian town famous for wild dolphins that allow themselves to be touched and hand fed by humans is Monkey Mia. Located within the Shark Bay World Heritage Area, Monkey Mia has gained worldwide recognition for its interactions with dolphins.
Monkey Mia is known for its daily dolphin feeding experiences, where a small group of wild bottlenose dolphins voluntarily approach the shore to interact with visitors. The dolphins have been visiting the area for several decades, and their behavior of coming close to the beach has fascinated and delighted visitors from around the globe.
The wild dolphins of Monkey Mia have become accustomed to human presence and are known for their friendly interactions. Visitors are allowed to wade into the shallow water and hand feed the dolphins under the supervision of park rangers, who ensure the well-being and conservation of the dolphins.
The unique bond between humans and these wild dolphins has made Monkey Mia a popular tourist destination, providing an opportunity for people to observe and engage with these magnificent creatures in their natural habitat. It offers a rare and memorable experience, allowing visitors to have an up-close encounter with wild dolphins and learn more about their behavior and conservation efforts.
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what is an example of multiple allelic inheritance in humans
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Multiple allelic inheritance in humans refers to a situation where a gene has more than two allelic forms. It implies that more than two alleles determine the trait expression, thus resulting in many possible phenotypic outcomes. There are different examples of multiple allelic inheritance in humans, such as ABO blood group inheritance.
The ABO blood group is one of the classic examples of multiple allelic inheritance in humans. The inheritance of blood groups involves three alleles: A, B, and O, where A and B are codominant and O is recessive. The gene responsible for blood group is located on the chromosome 9, and it determines the presence or absence of antigens on the surface of red blood cells.
A person can either be blood group A, B, AB, or O, depending on the combination of alleles inherited from their parents. For instance, a person who inherits the A allele from one parent and the B allele from the other will have the AB blood group.
Another person who inherits the O allele from both parents will have blood group O. Similarly, someone who inherits A allele from both parents will have blood group A, and the same applies to those who inherit the B allele from both parents.
Therefore, in conclusion, the ABO blood group is a classic example of multiple allelic inheritance in humans. It is a type of inheritance where a gene has more than two allelic forms, and it results in many possible phenotypic outcomes.
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Helppppp this is due in 56 minutes
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The image depicts erosion, specifically soil erosion. Soil erosion is the gradual deterioration of soil caused by the impact of water or wind on soil particles.
What are the consequences of soil erosion?Soil erosion refers to the denudation of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents such as water, ice (glaciers), snow, air (wind), plants, and animals.Subsoil exposure, which frequently has poor physical and chemical properties. Higher runoff rates, shedding water and nutrients that would otherwise be used for crop growth crop failure in newly planted crops.Low-lying areas have silt deposits.Ways to prevent soil erosion :
Change your tillage practices. Soil tillage (digging, stirring, and overturning) is one of the most common methods of preparing land for crop cultivation.Keep an eye out for overgrazing.Think about terracing steep slopes.Create a buffer strip.To learn more about soil erosion refer to :
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Your best friend was recently diagnosed with celiac disease. She doesn't know much about this disease other than that she should follow a gluten-free diet for the rest of her life. Gluten is the protein found in which grain?
Answers
Gluten is the protein primarily found in wheat, barley, rye, and spelt grains.
"What grain contains gluten protein?The protein found in gluten is primarily derived from wheat, but it can also be found in other grains such as barley, rye, and spelt. Here are the steps to a gluten-free diet for someone with celiac disease:
Eliminate all sources of gluten from your friend's diet, including foods that contain wheat, barley, rye, and spelt. This can be a bit tricky, as gluten can be found in many unexpected foods, such as soups, sauces, and even some candies.Focus on eating whole, unprocessed foods that are naturally gluten-free, such as fruits, vegetables, lean meats, and gluten-free grains like rice, quinoa, and corn.Be cautious of cross-contamination, which can occur when gluten-containing foods come into contact with gluten-free foods. This can happen during food preparation, cooking, or serving, so it's important to use separate utensils, cutting boards, and cooking surfaces when preparing gluten-free foods.Read labels carefully and look for gluten-free certifications, which can help ensure that a product is safe for someone with celiac disease to eat.Consider working with a registered dietitian who specializes in celiac disease and gluten-free diets to ensure that your friend is getting all the nutrients she needs while following a gluten-free diet.Finally, encourage your friend to stay positive and optimistic about her new dietary restrictions. With a little bit of planning and effort, she can still enjoy a wide variety of delicious, gluten-free foods.Learn more about "Celiac disease"
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What is the function of the labeled structures? A: В С В: С: A
Answers
Answer:
what are the answers
Explanation:
» 2. Renaissance architecture closely resembled which style? O Neolithic O Baroque О Ancient Egyptian Ancient Roman CLEAR ALL
Answers
Answer:
b
Explanation:
Answer:
Aincheint greeks and romans
Explanation:
answer the questions above
Answers
Answer:
Hey there!
3) Well injection is usually done through the vein because they need the substance to go into the blood.
4) Some people believe that the heart is on the left side because its the left ventricle and atrium responsible and when people hear left they think the heart is on the left.
5) People living in high altitudes don't get as much oxygen so their bodies evolved into carrying ,more RBC so more oxygen is carried into their bodies.
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can someone please help me with this ? I will mark brainlist I really need help !
Answers
Answer:
1. Carbohydrates - provide immediate burst of energy - monosacharrides
2. Lipids - provide source of energy - glycerol or fatty acids
3. Proteins - provide growth and development for our body - amino acids
4. Nucleic Acids - store and pass on genetic information - nucleotides