Do all eukaryotes have a cell wall?
yes
No
Answers
Answer:
how do you say with only a few exceptions all prokaryotes have thick rigid cell walls that give them their shape among the eukaryotes some protist and all fungi and plants have cell walls defined out
Explanation:
step-by-step explanation step-by-step explanation hopefully this was right so I'm going to say that's a yes
Related Questions
A ____ is a neutron star that rotates and generates radio waves
Answers
Answer:
Pulsar.
Explanation:
I took the test:)
Every year from June to November Florida is at risk for tropical storms and hurricanes. Which step should individuals take to be prepared for these storms?
During the storm move to an exterior area
O Check emergency equipment during the storm
O Stock up on food items that are reliant on refrigeration
Before hurricane season determine safe evacuation route.
Answers
Explanation:
Between the alternativies the correct steps that must be take in preparation for tropical storms and hurricanes is: before hurricane season determine safe evacuation route. Being all other options not effective for the situation that the question is talking about.
what substances from different organs would mix together at the hepatopancreatic ampulla?
Answers
The hepatopancreatic ampulla, also known as the ampulla of Vater, is a small chamber where secretions from different organs merge in the digestive system.
Specifically, it is the site where substances from the liver and pancreas come together before entering the small intestine. The following substances mix together at the hepatopancreatic ampulla:
Bile: Bile is a digestive fluid produced by the liver and stored in the gallbladder. It contains bile salts, bile pigments, cholesterol, and other substances. Bile aids in the digestion and absorption of fats.
Pancreatic juice: Pancreatic juice is a mixture of enzymes and other substances produced by the pancreas. It contains digestive enzymes such as amylase (for carbohydrate digestion), lipase (for fat digestion), and proteases (for protein digestion). Pancreatic juice also contains bicarbonate ions, which help neutralize the acidic chyme from the stomach.
The convergence of bile and pancreatic juice occurs at the hepatopancreatic ampulla, and they are then released into the small intestine through the opening called the major duodenal papilla. This merging of secretions is essential for the digestion and absorption of nutrients in the small intestine.
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I NEEDDD HELP IN NUMBER 17
Answers
Answer:
B I think it's the right answer good luck
a biological basis for panic disorder is suggested by the finding that
Answers
A biological basis for panic disorder is suggested by the finding that the condition runs in families and that identical twins are more likely to both have panic disorder as compared to fraternal twins, according to research.
Panic disorder may be linked to certain parts of the brain and their functioning as well. The biological basis of panic disorder is suggested by research that shows that the condition runs in families, with identical twins being more likely to both have panic disorder compared to fraternal twins.
Some studies have indicated that certain parts of the brain may be involved in the disorder. Panic disorder, like many other mental illnesses, has a complex cause that is not yet fully understood. It is likely that a combination of genetic, environmental, and psychological factors plays a role in the development of the condition.
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Rapid mitotic cell division without growth, as seen in the first few divisions following the formation of a zygote, is called?
Answers
Rapid mitotic cell division without growth, as seen in the first few divisions following the formation of a zygote, is called cleavage.
How is a zygote formed?A zygote is the fertilized egg cell produced when a female gamete (egg, or ovum) and a male gamete combine (sperm). The zygote is the embryonic stage at which a genetically distinct organism emerges. All organisms, with the exception of bacteria, reproduce sexually, and a common feature of this process is the joining of haploid gametes to create a diploid zygote. All of the components required for development are present in the zygote, but they only exist as an encoded set of instructions that are localized in the chromosome genes. The new zygote's genes do not actually begin to create proteins until several cell divisions after cleavage.
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Based on this picture, which prediction can be made about leaf-cutter a
A. They are strong enough to lift an entire leaf.
Answers
Answer:
there strong enough to lift leaves to carry back to there hive
:
Answer:
they are strong enough to lift an entire leaf
What's the only kind of parrot that can't fly?
Answers
America Serving sizes in restaurants are significantly larger than most places in the world. Why is that a problem?
A. These portions need to be served on larger plates of work
B. Many other people in the world do not have enough to eat.
C. It gives a false sence of what a normal serving size should be.
D. The larger portions generally have less nutrition than smaller portions.
Answers
Explain
Explanation
dna replicates during which phase of the cell cycle
Answers
Answer:
S-Phase
Explanation:
S-Phase is when DNA synthesis/DNA Replication occurs
Answer:
S phase (synthesis)
Explanation:
which of the following is not a step in risk assessment?
A. calculate the probability of risk
B. creating a strategy to eliminate the risk
C. calculating the consequences of risk
D. identifying the risk
E. I dont know
Answers
The step that is not a part of risk assessment is creating a strategy to eliminate the risk. Option B.
In risk assessment, the first step is to identify the risk. The second step is to calculate the probability of the risk occurring. The third step is to calculate the consequences of the risk. These steps help in determining the level of risk involved and the potential impact it can have.
Once the level of risk is determined, the organization can decide whether to accept the risk or take action to mitigate it. Strategies to eliminate the risk come after the assessment is done and the risk has been identified. The strategy chosen will depend on the nature of the risk, the level of risk, and the resources available to the organization.
It is important to have a clear understanding of the risk and its potential consequences before deciding on a course of action. The risk assessment process is an important part of any risk management program.
It helps organizations to identify and evaluate potential risks, prioritize them, and take action to mitigate them. So Option B is correct.
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the net yield of the tca cycle for each acetyl-coa molecule oxidized includes...........
Answers
The net yield of the TCA (tricarboxylic acid) cycle for each acetyl-CoA molecule oxidized includes:
Three molecules of NADH: During the TCA cycle, three molecules of NADH are produced through the oxidation of NAD+ (nicotinamide adenine dinucleotide) to NADH. NADH is an energy-rich molecule that can participate in the electron transport chain to generate ATP.
One molecule of FADH2: The TCA cycle also produces one molecule of FADH2 (flavin adenine dinucleotide) by oxidizing FAD to FADH2. FADH2 is another electron carrier that can contribute to ATP production in the electron transport chain.
One molecule of GTP/ATP: In the TCA cycle, one molecule of GTP (guanosine triphosphate) is generated by substrate-level phosphorylation. GTP can be converted to ATP to provide energy for cellular processes.
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What are the uses of energy produced in respiration
Answers
Answer: The energy produced during respiration is
Explanation:
1) making your muscles grow
2) uptake of minerals in plants
3) chemical reactions
4) growth and repair of cells
5) maintaining body temperature in warm blooded animals
Parenteral includes any routes other than the _____.
Answers
Parenteral includes any routes other than the gastrointestinal (GI) route. The choice of route depends on the medication being administered, and the desired outcome.
The GI route involves the administration of medications or nutrients through the mouth, and the drug or nutrient is then absorbed by the digestive system. Parenteral routes, on the other hand, involve administration of medications or nutrients through routes other than the GI tract, such as intravenous (IV), intramuscular (IM), subcutaneous (SC), intradermal (ID), intra-arterial, and intrathecal. Parenteral routes are often used when oral administration is not possible or effective, or when rapid drug delivery is necessary. Intravenous administration provides the most rapid onset of action, while other routes, such as intramuscular and subcutaneous, provide a slower onset of action.
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During fermentation, ______ reduces pyruvate and is oxidized to nad , which can then be used in glycolysis.
Answers
During fermentation, NADH reduces pyruvate and is oxidized to NAD , which can then be used in glycolysis.
What is Fermentation ?Through the activity of enzymes, fermentation is a metabolic process that results in chemical changes in organic substrates. It is specifically described in biochemistry as the process of obtaining energy from carbohydrates without the presence of oxygen.
Types of fermentation? Fermentation can be divided into four categories based on the final product produced: lactic acid fermentation, alcohol fermentation, acetic acid fermentation, and butyric acid fermentation.Either lactic acid or ethyl alcohol generation is the fundamental purpose of fermentation. The primary purpose of fermentation is NAD+ regeneration, which enables glycolysis to continue producing ATP.To know more about Fermentation please click here : https://brainly.com/question/546578
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Are any of the fruiting structures similar to those you saw in members of the ascomycota? if so, which ones?
Answers
In conclusion, while not all fruiting structures are similar to those in Ascomycota, some fungi groups, like Basidiomycota, have fruiting structures with sac-like structures that house spores, similar to the asci found in Ascomycota.
Yes, some fruiting structures are similar to those found in members of the Ascomycota. The Ascomycota phylum includes fungi that produce fruiting structures called ascocarps, which contain sac-like structures called asci that house the spores.
Similarly, some fruiting structures in other fungi groups, like the Basidiomycota, also contain sac-like structures that house spores.
For example, the basidiocarps of mushrooms, which belong to the Basidiomycota, have basidia that bear spores. These basidia are analogous to asci found in Ascomycota fungi.
In conclusion, while not all fruiting structures are similar to those in Ascomycota, some fungi groups, like Basidiomycota, have fruiting structures with sac-like structures that house spores, similar to the asci found in Ascomycota.
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The world's human growth rate is dependent on
a the birth rate
b the death rate
C A and B
Answers
A crevice lizard lives in the cracks of rocks. Freezing and thawing and have widened these cracks, and lizards that are now in large crevices are more easily captured and eaten.
Using the Principles of Natural Selection, predict how future generations of the crevice lizard population will change over time.
(The principles are variation, heritablity, overproduction, and reproductive advantage)
Answers
Heritability: The traits that confer a reproductive advantage to the lizards, such as smaller body size or more compact body shape that allows them to fit into narrower crevices, are likely to be heritable.
Variation: Within the current crevice lizard population, there is likely to be variation in body size and shape. Some lizards may have longer limbs or more flexible bodies, allowing them to navigate and escape larger crevices more effectively. This variation is crucial for the process of natural selection.
Heritability: The traits that confer a reproductive advantage to the lizards, such as smaller body size or more compact body shape that allows them to fit into narrower crevices, are likely to be heritable. These traits can be passed on to future generations through genetic inheritance.
Overproduction: Crevice lizards tend to produce a large number of offspring, exceeding the carrying capacity of their habitat. This overproduction leads to competition for limited resources, including suitable crevices. Only a fraction of the offspring will survive to adulthood.
Reproductive advantage: Lizards with traits that allow them to survive and reproduce more successfully in larger crevices will have a reproductive advantage. They are more likely to pass on their advantageous traits to the next generation, increasing the frequency of those traits in the population over time.
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Which of these substances would you
expect to have the lowest melting point?
a. sodium chloride
b. silicon dioxide
c. sodium hydroxide
d. paraffin
Answers
Answer:
d. paraffin
Explanation:
Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.
Discuss both challenges and opportunities that are presented by big data in cultural tourism, critically analyze your case in class on how big data has created value in tourism, and in your group identify the most effective approach in big data that can guide marketing strategies in enhancing the tourism experience among travellers. There are 3 different parts. Be specific.
Answers
Answer:
1. Challenges and Opportunities of Big Data in Cultural Tourism
Challenges:
a. Data Privacy and Security: With the vast amount of data generated, maintaining data privacy and security is a significant challenge. There are legal and ethical implications associated with the handling and use of big data, particularly concerning personal information.
b. Data Quality: The utility of big data is dependent on the quality of data collected. Inaccurate, outdated, or biased data can lead to misleading insights, which can adversely impact decision-making in tourism development and management.
c. Skills Gap: The analysis of big data requires specialized skills and knowledge. There is a challenge in finding and training staff with the expertise needed to interpret and use big data effectively.
Opportunities:
a. Personalization: Big data enables the delivery of personalized experiences to tourists by understanding their preferences, behaviors, and patterns. This personalization can improve visitor satisfaction and loyalty.
b. Decision-Making: Big data can provide valuable insights for decision-making in tourism development and management. For instance, it can help in understanding tourist flow patterns, identifying popular tourist attractions, and forecasting future trends.
c. Marketing and Promotion: Big data can guide the development of targeted marketing and promotion strategies. It can help identify potential tourist markets, assess the effectiveness of marketing campaigns, and optimize marketing strategies.
2. Case Analysis: Big Data in Tourism
Consider the case of how Airbnb uses big data. Airbnb collects large amounts of data from its users, including their travel preferences, booking habits, and feedback. By analyzing this data, Airbnb can personalize its services, recommend accommodations, and optimize pricing. Additionally, Airbnb can identify travel trends and provide valuable insights to its hosts, helping them improve their offerings. This data-driven approach has been instrumental in Airbnb's growth and success.
3. Effective Approach for Enhancing Tourism Experience
One effective approach could be the use of big data in predictive analytics. Predictive analytics involves using historical data to predict future trends. For example, by analyzing data on tourist visitation patterns, attractions can predict peak times and plan accordingly. This can help in optimizing resource allocation, improving visitor management, and enhancing the overall tourist experience.
In terms of marketing, predictive analytics can help identify potential tourists and tailor marketing messages to them. It can also help in assessing the effectiveness of marketing campaigns and making necessary adjustments. This data-driven approach can enhance marketing strategies and ultimately improve the tourism experience.
Explanation:
what does it mean when you keep having a dream about a place but with different people in it?
Answers
Answer:
I have had many dreams like that. Where a different kind of dream takes place in the same setting.
I don’t think it has anything to do with parallel universes. Rather, the details of the place are what are important. In my case, it is two different houses. The rooms, the house itself, what I’m doing there, the condition of the rooms and the house — all these details are important to finding whatever meaning it has for me.
Organisms have gradually adapted certain structures that help them succeed in their environments. What internal structure have birds developed that helps them successfully fulfill their niche?
O oil glands for flight endurance
O hollow bones to reduce mass for flight
O pointed beaks to increase chances of attracting a mate
O webbed feet for landing on tree limbs
Answers
Hollow bones that are designed to reduce mass for flight are the internal structure that birds have created to assist them successfully fill their niche and prosper in their habitats. Option (b) is correct.
Hollow bones are also known as pneumatized bones since they are filled with air. It is thought that this design helps reduce oxygen usage when flying. Hollow spaces in avian bones are related to air sacs. In essence, their lungs penetrate every bone in their body. Birds have light and hollow bones. Most birds can fly because of the support provided by these bones.
Their hollow bones give their bodies the appearance of being light and simple to lift. The hollow, air-filled bones of the skeleton reduce the weight of the body. The skeleton has been strengthened through skeletal modifications, which allows the push (forward force) produced by the wings to generate a significant lift and propel the bird through the air with the least amount of body cavity compression.
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Correct Question:
Organisms have gradually adapted certain structures that help them succeed in their environments. what internal structure have birds developed that helps them successfully fulfill their niche?
a. oil glands for flight endurance.
b. hollow bones to reduce mass for flight.
c. pointed beaks to increase chances of attracting a mate.
d. webbed feet for landing on tree limbs.
Why are non vascular plants restricted to moist habitats
Answers
Nonvascular plants, also known as bryophytes, are restricted to moist habitats because they lack a well-developed system for transporting water and nutrients throughout their bodies.
Water and nutrients are moved through the cells of nonvascular plants' bodies by osmosis and diffusion. Since that it can only take place across small distances, this procedure is inefficient. Nonvascular plants can't develop into very tall plants and have a limited ability to absorb soil nutrients and water
Nonvascular plants benefit from moist habitats because they offer the conditions needed for survival. Nonvascular plants can rapidly evaporate water in a dry environment, which can result in desiccation and death. Nonvascular plants are able to directly take water from their surroundings in moist settings, preventing dehydration.
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Eukaryotic chromosomes contain two general domains that relate to the degree of chromatin condensation. These two regions are _
Answers
Answer:
This question lacks options, options are: A) Heterochromatin and euchromatin
B) Uniform in the genetic information they contain
C) Separated by large sketches of repetitive DNA
D) Each void of typical protein-coding sequences of DNA
E) Void of introns.
The correct answer is A.
Explanation:
The chromatin or substance that makes up the nuclei of cells and that results from the interaction of DNA with histonic and non-histonic proteins and RNA; it can present different degrees of packing or contraction. When chromosomes are stained with chemicals that bind to DNA, densely stained regions and less densely stained regions appear. Heterochromatin are segments of the chromosome that stain strongly and remain visible, practically, during the entire cell cycle. There are few genes in these regions and therefore low transcriptional activity. They are supercondensed regions. Euchromatin are segments of the chromosome that are not visible during telophase and interphase, only in metaphase. It corresponds to regions that are less compact and in which there is a higher gene density.
Is the study of biological diversity and the evolutionary relationships among organisms.
Answers
Systematics is the study of biological diversity and the evolutionary relationships among organisms.
The study of biological diversity and the relationships between organisms is commonly defined as sytematics. Taxonomy, the component of systematics that focuses on the theory and practice of classification, is not easily distinguished, and biologists frequently use the terms interchangeably. Systematics is important in biology because it allows us to characterize the organisms we study.
Reptiles, for example, are animals that lay eggs and have scales, whereas mammals are animals that have live births and have fur or hair. All humans, more specifically, share the same characteristics and thus belong to a group, or taxon, of the genus Homo and species sapien.
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what are the four extant classes in the phylum arthropoda? multiple choice question. crustacea, hexapoda, echinodermata, and brachiopoda hexapoda, gastropoda, cephalopoda, and brachiopoda chelicerata, crustacea, hexapoda, and myriapoda crustacea, mollusca, nemertea, and nematoda
Answers
The phylum Arthropoda is commonly divided into four subphyla of extant forms: Chelicerata (arachnids), Crustacea (crustaceans), Hexapoda (insects and springtails), and Myriapoda (millipedes and centipedes).
Invertebrates with an exoskeleton, segmented bodies, and paired jointed legs are known as arthropods. Arthropods are classified as members of the phylum Arthropoda.
Arthropods are classified into four primary groups:
Hexapodas (Insects)
myriapods (which include centipedes and millipedes)
arachnids (which include spiders, mites, and scorpions)c
crustaceans (including slaters, prawn and crabs).
There are around five million arthropod species on the planet, compared to approximately 50,000 vertebrate species. In addition to the millions we now know about, there might be millions more bug species in the globe today.
Most arthropods lay eggs and most species consist of recognizable males and females. Barnacles, for example, are mostly hermaphroditic, possessing both male and female sex organs. While scorpions give birth to live young (which hatch from eggs nestled inside the mother's body).
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What are air pressure, humidity, clouds, and temperature called?
a. elevation pressure
b. elementary aspects
c. elements of weather
d. elements of climate
Answers
Answer: C
Explanation:
Air pressure is the amount of pressure exerted by the air in a particular air mass. Humidity is a measure of the water content of the air mass. Clouds are tiny drops of water or ice that form in the atmosphere. Wind is a process of movement of air that occurs due to the uneven heating of the Earth's surface.
the air pressure, humidity, clouds, and temperature are called "elements of weather" in option C, as the weather regulates agriculture, transportation, etc. and also has an impact on the global economy.
What is the significance of the weather in the environment?Weather has a significant impact on the environment because it regulates agriculture, transportation, and the overall economic growth of the country because extreme weather events can cause property damage, disrupt business operations, and lead to health issues such as heat stroke, hypothermia, and other diseases.
Hence, air pressure, humidity, clouds, and temperature are called "elements of weather" in option C, as the weather regulates agriculture, transportation, etc. and also has an impact on the global economy.
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Use the dietary reference intake charts for vitamins and minerals to find the recommended intake for these micronutrients for people your age. If you ate these three foods every day for all three meals, would you meet your daily recommendations for vitamin C, potassium, vitamin B12, and iron?
Answers
Answer: I would meet my B12, calcium, and vitamin C needs, but I wouldn’t meet the recommendations for iron
Explanation: Its all about trustt my friends
Answer:
I would meet my B12, calcium, and vitamin C needs, but I wouldn’t meet the recommendations for iron.
Explanation:
PLATO sample awnser
Please answer this. will mark brainliest for correct answer and explanation.
Answers
Answer:
b. fat is the correct answer please mark me the brainliest.
Do all solutions have to be liquid
Answers
Answer:
no, they could be powder, it mainly consists of the ingredients
Explanation:
Answer:
No not all of them do
Explanation: