Answer:
1. RNA 2. Insulin 3. Lysine 4. Lactose 5. Fat
Explanation:
RNA contains both nitrogen and phosphate hence it is the substance in tube 1.
Insulin being a protein contains sulfur hence it is the substance in tube 2.
Lysine does not hydrolyse hence it is the substance in tube 3.
Fat is hydrophobic hence it is the substance in tube 5.
Since lactose does hydrolyse and because the rest have been identified, it must be the substance in tube 4.
Based on these data, each tube is identified as:
tube 1: RNAtube 2: Insulintube 3: Lysinetube 4: Lactosetube 5: Fat1. first testHydrolysis doesn't occur in lysine so, the 3rd tube contains lysine.
2. second testNitrogen is present in Insulin(in amino acids), RNA(in nucleotides), and Lysine. Insulin consists of two polypeptide chains (A and B) which are joined by sulfur bonds. So, 2nd tube contains insulin.
3. third testIn RNA, nucleotides are present which consists of phosphate groups. Adjacent nucleotides are joined together by phosphodiester bonds. So, 1st tube contains RNA
5. 4th testFatty acids are Hydrophobic due to the presence of long hydrocarbon chains. So, 5th tube contains Fat.
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In the text area below describe the function of the
cell wall.
DONE
Answer:
The cell wall supports and protects the cell, determines the shape of the cell, assists cells in communication, stores carbohydrates, and allows water and smaller particles to enter the selectively permeable structure of the cell.
Which of the following terms describes a lipid molecule that has only single
bonds between its carbon atoms?
Answer:
Saturated fatty acids have only single bonds between carbon atoms. As a result, the carbon atoms are bonded to as many hydrogen atoms as possible. In other words, the carbon atoms are saturated with hydrogens. Saturated fatty acids are found in fats.
The answer is Saturated
err, I think?
what are the three aspects of environment
Answer:
An environmental aspect is an element of an organisation's activities, products, and services that can interact with the environment. These can include discharges to water, emissions to air, waste and use of natural resources and materials.
Explanation:
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Answer: activities, products, and services
What structures make up the male and female reproductive systems?
Answer:
Explanation:
Male
External genitilla (pair of testies in scrotum)
Copulatory organ for the transfr of sperms into female body.
Female
A pair of ovaries
Oviduct
Uterus
External genetilla(vagina).
Fill in the blanks with the correct word or phrase.
The process of change in a population over time is called
.
The process by which organisms that are better adapted to the environment survive and reproduce is called
.
I)I think it's population growth
ii) adaptation
Answer:
Evolution
Natural selection
Explanation:
Which would have more humus a desert or a forest
Answer:
a forest
Explanation:
thinks don't really grow in the desert
Which of the following does not support creating curriculum out of play?
A. Providing resources
B. Giving children freedom of choice
C. Offering structured rules and guidelines
D. Allowing sensory play with no objective measurement
Answer:
C / D
Explanation:
What do you do when you have abdominal pains?
Answer:
Use ginger, drink tea, chew peppermint gum, or simply use a heating pad.
Read the article and use the information to answer the following questions.
Rainforest Biomes
Match the characteristic of the biome to the type of rainforest.
weather year round is warm and humid
receives about 200 inches of rain a year
trees are mostly coniferous
greatest variety of uniquely adapted organisms
Answer:
Match the characteristic of the biome to the type of rainforest.
✔ tropical
weather year round is warm and humid
✔ temperate
receives about 200 inches of rain a year
✔ temperate
trees are mostly coniferous
✔ tropical
greatest variety of uniquely adapted organisms
Explanation:
edge 2022
Answer:
Answer:
Match the characteristic of the biome to the type of rainforest.
✔ tropical
weather year round is warm and humid
✔ temperate
receives about 200 inches of rain a year
✔ temperate
trees are mostly coniferous
✔ tropical
greatest variety of uniquely adapted organisms
Explanation:
edge 2022
What are three ways RNA differs from DNA
Answer:
1. DNA is double-stranded, and RNA is single-stranded.
2. DNA stores and transfers genetic information, RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.
3. DNA contains the sugar deoxyribose, RNA contains the sugar Ribose.
What is the energy that holds the nucleus together?
Answer:
The strong nuclear force
Explanation:
it is stronger than electrostatic repulsion, and allows protons to stick together in a nucleus even though their charges repel each other.
// have a great day //
Answer:
Strong nuclear force
Explanation:
The neutrons help so the positive force of the protons don’t break up the nucleus.
Which of the following organisms exhibit cell differentiation?
Answer:
Dogs
Explanation:
Dogs, being a multicellular organism it undergoes cellular differentiation. Cellular differentiation is a process whereby one type of cell changes to other type and performs different activities
Hope I helped
What are some ways that the nitrogen cycle overlaps with or influences the oxygen and carbon cycles?
Are any of these interactions between the cycles positive?
Are any negative?
What about when the nitrogen cycle is thrown off balance by the Haber-Bosch process and others like it?
How can that influence the oxygen and carbon cycles?
Are there other cycles involved that have not been mentioned in this question?
What does this discussion suggest about the nature of the Earth as one large system?
Answer:
1.Nitrification happens when soil organisms change over ammonium into nitrate. Much of the cover between the carbon cycle and the nitrogen cycle happens within the soil, in forms conducted by soil organisms. Organisms break down supplements, construct modern compounds for their possess development, and inevitably pass on.
The second question im not sure sorry- the positive and negative one ;(
3. Many human activities have a significant impact on the nitrogen cycle. Burning fossil fuels, application of nitrogen-based fertilizers, and other activities can dramatically increase the amount of biologically available nitrogen in an ecosystem. As nitrogen makes up 78% of the atmosphere, there is no shortage of it – it just isn't in a form plants and animals can use.
4. Carbon makes its way through living things as carbon-based compounds, like vitality particles, fats and proteins, in the long run cycling its way back into the environment. Nitrogen is basically found within the air as well and enters the environments as supplements for plants. Water, nitrogen and carbon cycles. Carbon moves from the air and back by means of creatures and plants. Nitrogen moves from the environment and back by means of living beings. Water moves on, over, or underneath the surface of the Soil.
5. Carbon cycle, Nitrogen cycle, Nutrient cycle, Oxygen cycle, Phosphorus cycle, Sulfur cycle, Rock cycle, Water cycle.
6. Wind, water, and ice disintegrate and shape the arrive. Volcanic movement and seismic tremors change the scene in a sensational and frequently savage way. And on a much longer timescale, the development of earth's plates gradually reconfigures seas and landmasses. Each one of these forms plays a part within the Cold and Antarctica.
People affect the physical environment in numerous ways: overpopulation, contamination, burning fossil powers, and deforestation. Changes like these have activated climate alter, soil disintegration, destitute discuss quality, and undrinkable water. Earth's surface is the as it were territory accessible to the human race. Understanding the forms by which that environment has been made and persistently changed is critical to decide the causes of natural degradation.
The characteristics that best describe the tail of a phospholipid molecule are _____.
Answer:
Hydrophobic
Explanation:
phospholipids are amphyphilic which means they are both hydrophobic and hydrophilic .. the head is the part that loves water (hydrophilic) and the tail is the part that fears water ( hydrophobic)
Which is an ion found in a glass of water?
O
A. 02
क
B. N+
C. H+
D. 0-
SUBMIT
i am pretty sure its C. H+ im sorry if im wrong tho :(
How does the water needed to carry out photosynthesis get to leaves?
Answer:
The xylem
Explanation:
The xylem in the stem transports water and minerals from the ground up the plants, and into cells in the leaves so that photosynthesis can be carried out.
what chemical substances must be provided for aerobic respiration to take place inside the cell
Answer:
Oxygen
Explanation:
Cellular respiration can occur both aerobically (using oxygen), or anaerobically (without oxygen). During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP.
Hope it helps
Someone expressing a recessive hair color has _______.
A-1 dominant and 1 recessive allele for hair color
B-2 dominant alleles for hair color
C-2 recessive alleles for hair color
Answer: The answer would be C
Explanation: This is because in order to express a recessive trait one must have no dominant alleles or otherwise the dominant would win out and be expressed instead. For example, if a person had 1 allele for brown hair and 1 for red the brown would win and the same would happen if they had 2 brown hair alleles. Whereas if a person had two alleles for red hair and none for brown, only then would the red trait be expressed. Hope this helped!
The diagram shows a selection of animals .Choose two alphabets that are invertebrates.
A. B and D
B. A and C
C. B and F
D. E and C
The correct answer is C) "B and F"
What is a DNA probe?
Answer:
In molecular biology, a hybridization probe is a fragment of DNA or RNA of variable length which can be radioactively or fluorescently labeled. It can then be used in DNA or RNA samples to detect the presence of nucleotide substances that are complementary to the sequence in the probe.DNA probes are stretches of single-stranded DNA used to detect the presence of complementary nucleic acid sequences (target sequences) by hybridization. DNA probes are usually labelled, for example with radioisotopes, epitopes, biotin or fluorophores to enable their detection.
spanish
En biología molecular, una sonda de hibridación es un fragmento de ADN o ARN de longitud variable que puede marcarse de forma radiactiva o fluorescente. Luego puede usarse en muestras de ADN o ARN para detectar la presencia de sustancias nucleotídicas que son complementarias a la secuencia en la sonda. Las sondas de ADN son tramos de ADN monocatenario utilizados para detectar la presencia de secuencias complementarias de ácido nucleico (secuencias diana) por hibridación Las sondas de ADN generalmente están marcadas, por ejemplo, con radioisótopos, epítopos, biotina o fluoróforos para permitir su detección.
Explanation:
Answer:
Explanation:
DNA probes are stretches of single-stranded DNA used to detect the presence of complementary nucleic acid sequences (target sequences) by hybridization. DNA probes are usually labelled, for example with radioisotopes, epitopes, biotin or fluorophores to enable their detection.
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of
convergent evolution
coevolution
divergent evolution
adaptive radiation
Answer:
coevolution
Explanation:
As newts' poison became more toxic, the garter snake's resistance to it became more efficient. This is an example of coevolution.
“A student sees several ants walking up a wall following the exact same trail that an ant took earlier. She wants to apply the scientific method the determine how the ants detected the trail. Which of these players would come first in her application of scientific method “
Please help
Answer:
Choice 4.
Explanation:
After asking the question, the next step in the scientific method is to make your hypothesis.
The U.S. has sent unmanned spacecraft to _____ the planets in our solar system. A. all B. most C. some D. none of
Every planet in our solar system has been visited by an unmaned spacecraft sent by the United States. The launch years are given in this order
Venus (1962)Mars (1964)Mercury (1973)Jupiter (1977)Saturn (1977)Uranus (1977)Neptune (1977)Pluto (2006)Answer:c some
Explanation:
only a couple of planets have had unmanned spacecraft sent to them
Which event is associated with convergent boundaries?
formation of island chains
creation of mid-ocean ridges
creation of convection currents
formation of rift valleys
Answer:
a
Explanation:
tooook test
The event that is associated with convergent boundaries is ; ( A ) Formation of Island chains
Island chains also known as Archipelago are a group of Islands evenly distributed in lakes, oceans and rivers within a defined area. with the Islands sharing a convergent boundary with each other.
Examples of an Island chain is the Mariana Islands and Japan where the chain of Islands share convergent boundaries.
Hence we can conclude that the event that is associated with convergent boundaries is the formation of Island chains .
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ASAP!!!!!!! State your view on an ELSI issue, and develop a logical argument to support your view.
Answer:
Biotechnology has raised a number of ethical, legal, and social issues. For example, are genetically modified foods safe to eat, and who controls a person’s genetic information?
Explanation:
Concerns from Biotechnology
The use of biotechnology has raised a number of ethical, legal, and social issues. Here are just a few:
Who owns genetically modified organisms such as bacteria? Can such organisms be patented like inventions?Are genetically modified foods safe to eat? Might they have unknown harmful effects on the people who consume them?Are genetically engineered crops safe for the environment? Might they harm other organisms or even entire ecosystems?Who controls a person’s genetic information? What safeguards ensure that the information is kept private?How far should we go to ensure that children are free of mutations? Should a pregnancy be ended if the fetus has a mutation for a serious genetic disorder?
The ELSI issues are important and require to be maintained in order to maintain bioethics and examine various impacts of science and technology on the society.
What are ELSI issues?ELSI stands for Ethical, Legal, and Social Issues. It is a widely used acronym in the bioethics literature which encompasses a broad range of research work which mainly examines the various impacts of science and technology on the society.
The ultimate mission of the ELSI Research Program is to support the research and education activities which include promotion of genetic privacy and fair use of genetic information, encouraging the responsible integration of new genetic information and technologies into clinical and non-clinical settings, and to ensure that the genetic research is being conducted in ethical way.
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What is the difference between native and nonnative species
Answer:
Native plants are those plants which occur naturally in a region. A non-native is one that does not.
Explanation:
For example, soybeans, kiwi fruit, wheat, honey bees, and all livestock except the American bison and the turkey are non-native species to North America.
Answer:
Native species are naturally present in an area. ... Non-native species do not cause environmental or economic harm. An important, not-to-be-missed distinction between non-native species and invasive species is that non-native species do not disrupt the natural functions and processes of our native ecosystems.
Explanation:
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Hummingbirds drink nectar from flowers. As they pass from flower to flower,
the hummingbirds carry pollen, aiding in pollination. What kind of relationship
exists between the hummingbirds and the flowering plants?
A. Commensalism
B. Predation
C. Mutualism
D. Parasitism
1. What relationship between accumulation and ablation is necessary for the ice front of a glacier to advance?
Answer:
As long as snow accumulation equals or is greater than melt and ablation, a glacier will remain in balance or even grow. Once winter snowfall decreases, or summer melt increases, the glacier will begin to retreat.
Explanation:
where does the independent variable go on a graph
Answer:
SCIENTISTS like to say that the “independent” variable goes on the x-axis (the bottom, horizontal one) and the “dependent” variable goes on the y-axis (the left side, vertical one).
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Explanation:
A recent encyclopedia entry about dogs cites multiple research papers done by scientists at veterinary schools. According to the article, Labrador retrievers come in two specific breeds: English and American. The English breed is described as stocky and heavy, while the American breed is described as tall and lanky. The article describes current scientific research as showing that males of both breeds usually weigh about 29-41 kg (65-90 lb), and females weigh 25-32 kg (55-70 lb). Coat colors for both breeds come in solid black, yellow, or chocolate. All labs have strong tails and webbed feet, which help them swim. Devon would like to use this information to determine if his new dog is an English or American Labrador retriever.
Which best describes the reliability of the information?
It is not reliable because only scientists can use scientific information for reference.
It is not reliable because it doesn’t talk about how to test and only gives data about the breeds.
It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
It is reliable because it gives information about both types of Labradors in addition to information about other types of dogs.
Answer:
It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
Explanation:
The information in the article can be described as reliable due to the fact that it is based on multiple studies by scientists.
When a study is carried out by different group of independent researchers and a similar result if obtained, the results becomes more or less a theory. A research that is reproducible and gives similar result can totally be relied on for information.