Answer:
The Answer is True:
Explanation:
DNA samples should not be stored where?
Answer:
Shoudl not be stored in a car trunk
DNA samples should not be stored in conditions that cause degradation or quality loss such as places with excessive heat, direct sunlight, or high moisture. Ideal storage is at low temperatures in a special DNA storage buffer. Also, avoid storing with RNAse enzymes which break down DNA.
Explanation:DNA samples should not be stored in conditions that can cause degradation or affect the quality of the DNA. These include places with excessive heat, direct sunlight, or high moisture. Ideally, DNA should be stored at low temperatures such as -20°C or -80°C in a DNA storage buffer, a biochemical solution designed to sustain the integrity of the DNA over time. RNAse enzymes, which can break down DNA, should also be avoided. Therefore, DNA samples should not be stored in locations where these adverse conditions are present.
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Tapeworm wich infects the body and is a living organism is an exapmle of what type of pathogen that causes illness
Answer: Parasite
Explanation:
Tapeworm which infects the human body is a living organism that enters the body of host and starts growing inside it. The infection by Tenia solium is caused by the larval cysts of tapeworm.
These larval cyst infects the brain, muscle and other tissues of the body. it occurs mostly by contaminated food and poor sanitation.
Eating uncooked pork can result in the infection caused by tapeworm.
what are the differences between plants growing in different places
Within a eukaryotic cell, aerobic cellular respiration occurs within the _____.
Answer Mitochondria
Explanation:
Answer:
mitochondria
Explanation:
i put this answer for a usa test prep and got it right
The products in cellular respiration are _____.
A: carbon dioxide and glucose
B: carbon dioxide, water, and ATP
C: glucose and oxygen
D: water, oxygen, and ATP
Answer:
The correct answer option is C. glucose and oxygen.
Explanation:
The products in cellular respiration are glucose and oxygen.
The process that makes use of the glucose and oxygen in order to produce energy for the cell activities is called as cellular respiration.
Cellular respiration can be represented by the following equation:
glucose + oxygen --> carbon dioxide + water + ATP
or more precisely as:
[tex]C_6H_{12}O_6 + 6O_2 \implies 6CO_2 + 6H_2O + ATP[/tex]
It is the reverse of photosynthesis.
Which of these is a disadvantage of hydropower?
O
A. It has a long power plant life span
O
B. It reduces groenhouse gas emissions.
O
C. It harms aquatic organisms.
O
D. It has high power-plant efficiency.
Answer:
C. It harms aquatic organisms
Explanation:
The hydropower is a one of the most commonly used in the world. It is based on the power of the water, and by building a dam on a river, the water is accumulated, and its power used for production of electrical energy. While this type of power has lot of advantages, like having long lifespan, being eco-friendly, and it has high efficiency, it also has some negatives about it. The biggest negative by the hydropower is that it causes harm tot he aquatic organisms. Because there is a dam built, the water becomes more stagnant, meaning that it becomes warmer, harming the organisms that are not able to adapt to it. The dam restricts the migration of the aquatic organisms, which is especially a big problem for the ones that migrate because of mating. The nutrients start to concentrate in front of the dam, while after the dam they are in very low quantity.
Final answer:
C. It harms aquatic organisms by changing river flows and aquatic ecosystems, leading to environmental issues such as loss of habitats and displacement of communities.
Explanation:
The disadvantage of hydropower identified in the given options is C. It harms aquatic organisms. While hydropower does not produce direct greenhouse gas emissions, it can have significant environmental impacts such as altering river flow, changing aquatic ecosystems, and impacting fish migration patterns. The construction of dams for hydroelectric power can lead to environmental problems like loss of habitat for tropical organisms, displacement of local communities, and the obstruction of species dispersal. Additionally, large areas of land can be flooded, which may result in the loss of forests and affect the livelihoods of indigenous populations with limited political influence to challenge these developments.
Which chamber of the heart connects to the lungs via the pulmonary artery? A. Right atrium B. Right ventricle C. Left ventricle D. Left a
Answer:
B. Right ventricle
Explanation:
The great vessels of the heart include the superior and inferior vena cava, which bring blood from the body to the right atrium, the pulmonary artery, which transports blood from the right ventricle to the lungs.
ANSWER:
The correct option is B: Right Ventricle. The right ventricle is connected to the heart via the "pulmonary artery".
EXPLANATION:
The "right ventricle pumps" blood at low pressure through the "pulmonary valve" into the pulmonary artery. The pulmonary artery then takes this blood to the lungs. This blood is de-oxygenated blood or blood that contains waste materials. The blood in the lungs picks up oxygen and is then transported back to the blood vessels to be carried to the various body parts.Which of these elements is rarely found in organic molecules?
Answer:
phosphorus or sulphur
Explanation:
Organic compounds are molecules composed of carbon and hydrogen, and may contain any number of other elements. Many organic compounds contain nitrogen,oxygen, halogens, and more rarely phosphorus or sulphur.
What term is used to describe how well an organism functions in its
environment?
Answer:
Fitness
Explanation:
I got it correct
3. Describe three different ways to classify planets in our solar system.
What is the responsibility of a scientist?
A. To run governments
B. To influence voters
C. To study the physical world
D. To earn money
Thanks for submitting you're question to Brainly!
The answer to your question is C. To study the physical world
C is the answer because every other answer choice is not the responsibility of a scientist.
Which of the following should be considered to help prevent the
transmission of a foodborne illness?
A. Not concerned with cross contamination.
B. Limiting bare hand contact with ready-to-eat foods.
C. Placing ill employees on the work schedule.
D. Storing time/temperature control for safety foods at room temperature.
Answer:
A. Not concerned with cross contamination.
Explanation:
The most effective way to help prevent the transmission of a foodborne illness, given the options, is by limiting bare hand contact with ready-to-eat foods.
Explanation:To prevent the transmission of foodborne illness, it is crucial to consider several measures. Among the given options, the most effective method is B. Limiting bare hand contact with ready-to-eat foods. This practice helps to minimize the transfer of microorganisms from hands to food, thereby reducing the risk of foodborne illness. Cross-contamination, having ill employees working, and storing time/temperature control for safety foods at room temperature promote the spread of foodborne illness, hence should be avoided.
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what are some similarities between the structure of the DNA and the ladder
Answer:
DNA is often compared to a ladder becaause of its structure. The nucleotides form hydrogen bonds in a certain sequence, forming a "rung" of the ladder. The backbones of DNA are formed by alternating phosphates and sugar residues. Each nucleotide side attatches to 1 of the 2 backbones, creating a ladder shape.
Which could be classified as part of an ecosystem but not part of a community?
The correct option is D. Minerals could be classified as part of an ecosystem but not part of a community
Minerals are abiotic components, meaning they are non-living physical and chemical elements of the environment. They play crucial roles in ecosystems by influencing soil composition, water quality, and nutrient availability, which in turn affect the growth and survival of living organisms. For example, minerals such as nitrogen, phosphorus, and potassium are essential nutrients for plant growth. These minerals cycle through the ecosystem via processes like weathering of rocks, decomposition of organic matter, and biological uptake by plants.
In contrast, the other options trees, grasses, and bacteria are all living organisms. As such, they are biotic components and constitute parts of a community. Trees and grasses are primary producers, playing a vital role in producing energy through photosynthesis. Bacteria serve numerous functions including decomposition, nitrogen fixation, and acting as pathogens or symbionts. These living entities interact with each other and form complex relationships, thereby shaping the structure and dynamics of biological communities.
Therefore, minerals, being abiotic, are part of the broader ecosystem but do not belong to the community, which is exclusively composed of interacting living organisms.
The complete question is:
Which could be classified as part of an ecosystem but not part of a community?
A. trees
B. grasses
C. bacteria
D. minerals
What type of cell reproduction has gametes?
Sexual reproduction is the process that involves gametes, where haploid cells produced by meiosis from two parents unite during fertilization to create a diploid zygote.
Explanation:The type of cell reproduction that involves gametes is sexual reproduction. Gametes are haploid cells that carry only half the number of chromosomes of somatic cells and are produced by a special type of cell division called meiosis. During sexual reproduction, gametes from two different parents unite in a process known as fertilization to form a diploid zygote, which then develops into an adult organism via mitotic cell divisions.
Meiosis is a two-stage process that includes meiosis I and meiosis II. It is in meiosis that genetic variation is introduced to the offspring, a key advantage of sexual reproduction. This variation comes from mechanisms like crossover and random assortment of chromosomes during meiosis, and the random nature of fertilization.
PLEASE ANSWER FIRST GETS BRAINLIEST
Answer:
Nerves in parts of your spinal cord and brain “rewire” when they lose signals from the missing arm or leg. As a result, they send pain signals, a typical response when your body senses something is wrong
which step in the scientific method is next after making a prediction
Answer:
Conducting an experiment.
After making a prediction the next step in a scientific method is the conduction of the experiment.
Explanation:
Any experiment or a scientific hypothesis deals with predicting a solution for a particular problem and drafting a hypothesis for the problem. After the prediction is made it is ideal to perform the experiments and thereby visualize the results .
Only after performing the experiment we would know if our hypothesis for the drafted problem is successful or unsuccessful , otherwise a new hypothesis should be given to overcome the problem.
Which reason best explains why dead specimens must be used with transmission electron microscopes
Answer:
The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.
Explanation:
chrosomes are found insise the______ of a cell. They are ______ pairs of chromosomes in every human body cell. One of each pair of chromosomes come from each _____. Chromosomes are made up of long lenghts of_____.
Answer:
23 pairs nucleus parents and dna
i know that the 23 pairs is right and i also think that the rest is right to
Chromosomes are located inside the cell nucleus, with 23 pairs being present in every human body cell. One chromosome from every pair is inherited from each parent and they are composed of DNA.
Explanation:Chromosomes are found inside the nucleus of a cell. In terms of the number of pairs in a human body cell, there are 23 pairs of chromosomes. One chromosome from each pair is inherited from each parent. Chromosomes are made up of long lengths of DNA, which holds vital genetic information. Chromosomes are found inside the nucleus of a cell. They are pairs of chromosomes in every human body cell. One of each pair of chromosomes come from each parent. Chromosomes are made up of long lengths of DNA.
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Help me with my question plzzzzzzzzzzz and thx
Answer: D
Explanation:
Since the chart shows no change with or without the mv, it can be assumed it had no influence on the plants.
Answer:
D. The average plant height cannot be affected by the amount of multivitamins
Explanation:
From the given chart it shows a horizontal straight line that runs straight from left to right indicating that the average height does not change with respect to the multivitamins level
What is the approximate diameter of a capillary
Answer:
5 to 10 micrometres
Answer:
A capillary is a small blood vessel from 5 to 10 micrometres
which type of seismic waves result from interference between s waves and p waves
Answer:
Rolling waves.
Explanation:
Rolling waves result from interference between s waves and p waves .
Answer: It's Rayleigh Waves
Explanation:
List the steps in isolating embryonic stem cells.
Which waste management process involves the burning of natural solid waste Answers for part 2: coal dust gas
Answer:
Incineration
Explanation:
The correct answer to the question is incineration. Incineration is a waste management process that involves the burning of waste at high temperatures to reduce its volume and mass. Natural solid waste such as wood, paper, and food scraps can all be incinerated.
Here's a breakdown of the other options:
Pyrolysis: This process involves heating waste in the absence of oxygen, which breaks down the organic material into charcoal, oil, and gas. It is not technically burning, as it happens without oxygen.
Gasification: Similar to pyrolysis, gasification also heats waste in the absence of oxygen, but at higher temperatures. This converts the waste into a synthetic gas called syngas, which can be used as a fuel.
Plasma gasification: This is a type of gasification that uses plasma torches to heat the waste to extremely high temperatures. This breaks down the waste into even smaller molecules, including hydrogen and carbon monoxide, which can be used to produce syngas or other fuels.
So, while all of these processes involve thermal treatment of waste, only incineration involves burning it in the presence of oxygen.
1. Assume that white color is dominant over yellow color in squash. If pollen from the anthers of a
heterozygous white-fruited plant is placed on the pistil of a yellow-fruited plant, show, using ratios, the
genotypes and phenotypes you would expect the seeds from this cross to produce
Answer:
1 : 1
Explanation:
Assuming that the allele for white color is ‘W’ (Capital- W) and that for yellow color is ‘y’ (small-y), then the phenotypic and genotypic ratios of the f1 generation will be 50% : 50% which is 1: 1 as shown in the punnet square below:
The picture represents the excretory system,
Which is represented by the X?
nephron
ureter
bladder
urethra
Answer:
The answer is B. Ureter I got it correct on the test just now.
Hop you have a nice day ; )
Explanation:
Answer:
The answer is B.
(ureter)
An extreme disturbance happens in an ecosystem. How does an ecosystem change as succession happens after this disturbance?
When there is an extreme disturbance in the ecosystem, it means a general destruction of it, thus experiencing a mass extinction. Once this happens, there's usually just barren ground left. Since the barren ground doesn't provide suitable living conditions for most of the living organisms, the ones that need the lest resources to survive create the primary succession, usually the mosses and lichens. The organisms of the primary succession provide biomass, so the ground is mixing with it, thus new soil is forming. Once this happens, smaller plants and animals start to settle in, thus the secondary succession occurs. The animals and plants of the secondary succession enrich the soil, and set the basis for more complex ecosystem, so soon after larger plants and animals start to settle in.
Answer:
Biodiversity in the ecosystem increases
Why does globalization often increase environmental damage?
A. Environmental-protection regulations increase compliance costs
and decrease economic competitiveness.
B. Consumer boycotts and government regulations undermine
companies' attempts to reduce their waste output.
C. Technological development leads to less pollution but greater
consumption of nonrenewable energy.
O
D. Sustainable development relies on the increasing use of
nonrenewable energy sources.
Answer:
A. Environmental-protection regulations increase compliance costs
and decrease economic competitiveness.
Explanation:
k twelve
Globalization often increases environmental damage due to looser regulations, increased compliance costs, and rapid industrialization.
Explanation:Globalization often increases environmental damage for several reasons. Firstly, in poorer countries, globalized industries may take advantage of looser regulations, resulting in industrial pollution and hazardous waste dumping that pose serious threats to local communities. Additionally, some environmental-protection regulations, such as taxes and tariffs, can increase compliance costs for businesses, making it difficult for them to compete in the international market. Finally, rapid industrialization, a key component of globalization, can cause widespread economic damage due to the lack of regulatory environment, leading to negative impacts on the environment.
What constitute the most common way that images of space are captured?
A. Fly-by missions
B. Astronauts visiting the international space center
C. Drones landing on planets
D. GPS satellites in Earth's orbit
Answer is: A. Fly-by missions
Answer:
A. Fly-by missions
Explanation:
Fly-by missions is the most common way that images of space are captured.
Answer:
A. Fly-by missions
Explanation:
A Fly-By mission involves the use of a space probe that flies over a star, takes photographs and analyzes it with its instruments. This is a very effective method and is the most common way to capture images from space.
It was fly-by missions that took the two Voyager ships to the border of the solar system in the 1970s and 1980s, and they are also missions that take spacecraft to distant planets and moons these days.
Which part of an amino acid is the only one that varies and is what defines its properties? A. The amino group B. The R group C. The carboxylic acid group D. The nitrogen base
Which part of an amino acid is the only one that varies and is what defines its properties? A. The amino group B. The R group C. The carboxylic acid group D. The nitrogen base