In 1952 Hershey and chase conducted a series of experiments indicating that DNA was the physical carrier of heredity True or False ?

I think that its the cell membrane.

Answer:

Explanation:The modern medicines made from plants that are included in the given options are:

1. Aspirin: Aspirin is derived from the bark of the willow tree. It is commonly used as a pain reliever and anti-inflammatory medication.

2. Codeine: Codeine is an opioid medication derived from the opium poppy. It is used as a pain reliever and cough suppressant.

3. Ephedrine: Ephedrine is obtained from the Ephedra sinica plant. It has been used in some medications for its stimulant and decongestant effects.

It's important to note that while the other options (cough syrup and Neosporin) may be commonly used medicines, they do not specifically come from plants. Cough syrup can be a combination of various ingredients, including synthetic compounds, while Neosporin is a topical antibiotic ointment containing synthetic antibiotics.

Answer: Option 1) C."Vacuoles"      

                           2) B. "Cell wall"

Explanation:

Vacuoles are large organelles in plant cells that are filled with fluid and function to maintain pressure in the cell. In hypertonic solutions, the fluid inside the vacuoles releases out due to high concentration of solute inside the cell and allows water to flow out of the cell, resulting into drooping of cells.

Cell wall is the outermost layer of plant cell that functions to protect and support the plant cell. Plant cell wall is rigid and made up of cellulose (fibers) that resist the pressure released from vacuoles and maintains the structure of the cell.

Hence the correct option are vacuoles and cell wall.

First of all, a coast is where land ends and the sea/lake starts.

Therefore, the coastline, is the "border", or as you said it, the boundary between the continent and a sea or in some cases a lake.

Answer:

[tex]\boxed{\bf~A - Coastline}[/tex]

Hope it helped,

BioTeacher101

For aquatic animals, insects, and plants, they offer distinctive habitats. The Shackleton Coast in Antarctica is an example of an icy coast. The Skeleton Coast in Namibia is an example of a desert coast.  Thus option A is correct.

The patterned ground and ice-push barriers are examples of ice processes that have an impact on landforms in harsh temperatures, such as those found around the Arctic coast.

Understanding natural phenomena like weather and rising sea levels is made easier by coasts. Coasts are the first areas to flood during storms.

Coastal landforms are those landforms that are located along coasts and were produced by erosion, deposition, or both. These frequently entail a marine-terrestrial environment interaction of some kind.

Therefore, coastline landform represents the boundary between the land and an ocean or lake.

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to better understand your data

Answer:

Keep in mind that both paths can have negative effects, say the fox population spikes and there are too many foxes in one area, the rabbit population will decrease in a alarming rate and eventually the foxes will start to run out of food and then they will either move to another area and/or they will start to die due to starvation, thus resulting in a decrease in the fox population. At the same time if the fox population is TOO LOW, then the rabbit population will grow and the food resources that the rabbits need will become harder to find due to so many rabbits eating the same thing. This will also result in the rabbit population decreasing due to starvation and/or them moving to a different location.

Explanation:

The model that shows the relationship between the two populations is known as predation.

The population may be characterized as a group of individuals belonging to the same species living in the same area at a definite time period. The size, density, dispersion, birth rate, death rate, abundance, etc. are some of the characteristics of the population. These characteristics are also known as demographic factors.

According to the food chain, foxes eat rabbits. If the population of rabbit is high, the foxes have better food resources and they also increase in number, due to this, the size of the rabbit population reduces, and the fox population increase, but after some time, they also decline.

Predation is a type of species interaction in which one species directly consumes the other in a fraction of the time. It is a type of +,- type, in which one species is benefitted and another is harmed.

Therefore, the model that shows the relationship between the two populations is known as predation.

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During mitosis  cell division occurs to create two daughter cells

Answer:

The answer is c: Cell division to create 2 daughter cells

Thank you have a good day!  (:

Explanation:

After mitosis, two genetically identical cells are formed. Hope this helped!

Answer:  A- two . Hope this helps.

Part A:  

1. Both the processes of meiosis and mitosis are the kinds of cell division in which one cell forms or produces more than one cell, that is, both follow duplications of chromosomes.  

2. Both the procedures include dissociation of the nuclear membrane, and both require spindle fibers to move the chromosomes around.  

Part B:  

1. Mitosis comprises one stage while meiosis comprises two stages. Mitosis produces diploid cells, while on the other hand, meiosis generates haploid cells.  

2. Mitosis gives rise to two similar daughter cells, while meiosis gives rise to four genetically similar daughter cells.  

Answer:

B) Both soap brands out perform hand sanitizer in killing bacteria.

Looking at the data, the conclusion is pretty obvious, the two different types of soap resulted in about half the bacteria cultures as either the hand sanitizer, or just using warm water. In fact, the hand sanitizer looks like it's even worse than simply using warm water. So looking at the four available options, the best choice is "B) Both soap brands out perform hand sanitizer in killing bacteria."

Explanation:

It should be B) Enjoy

Answer: Option B is correct.

Explanation: Because renewable sources can produce again (reproduce) again like,

1.Diversifying energy supply and reducing dependence on imported fuels.

2.Creating economic development and jobs in manufacturing, installation, and more.

While nonrenewable sources can't reproduce any type of sources.

I hope this answer will be helpful..

Thankyou....

Answer:

According to cell theory, all organism arise from the pre existing cell. Cell acts as the structural and functional unit of the living organism. Viruses may be defined as the organism that contain DNA and RNA as their genetic material. Viruses are smaller than bacteria and can affect the different forms of life.

Viruses are non-living as well as acellular organism because they cannot perform the metabolic process that are performed by the living organism. They acts as non - living organism as they do not reproduce, show growth and metabolism outside the host environment. They only shows growth and reproduction once they enter inside the host organism.

I think it will make the color black

Answer:

white light

Explanation:

White light is the name given to what the human eye sees when all the colors that make up the visible light spectrum are combined. The visible light spectrum is composed of red, orange, yellow, green, blue, indigo and violet light, and these colors combined produce white illumination.

When shining through a prism, the white lights are divided into colors separate from the visible light spectrum.

A molecule is the smallest part of a compound. So, B. Would be your answer.

Hope I helped!

In chemistry, the smallest part of a compound which still demonstrates the properties of that compound is a molecule.

The smallest part of a compound that still has the properties of that compound is a molecule. A molecule is a group of atoms bonded together, representing the smallest unit of a chemical compound that can take part in a chemical reaction. Each molecule has its own unique properties, which are determined by the arrangement and type of atoms within the molecule.

For example, water (H2O) is a compound made up of two hydrogen atoms bonded to one oxygen atom. The smallest part of water that still has the properties of water is a single water molecule.

Therefore, the correct answer is molecule.

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Answer:

Forms diploid cells

Explanation:

I TOOK THE TEST ON EDGE 2020 AND I GOT 100%

Answer:- Apical dominance

Explanation:-

Thus, the shoot tips effect of keeping the lateral buds dormant is called as apical dominance.

The voices of astronauts in the space station are transmitted back to Earth using sound waves.

Sound waves are produced by the vibration or movement of an object, which creates changes in air pressure.

Sound waves are a type of mechanical wave that is created by the vibration of an object, such as the vocal cords of a person speaking. In the case of astronauts in the space station, their voices are picked up by microphones and converted into electrical signals that are transmitted to Earth.

These electrical signals are then converted back into sound waves that can be heard by people on Earth.

Transverse waves and longitudinal waves are other types of waves, but they are not used for transmitting sound in this context. Transverse waves occur when the particles of a medium vibrate perpendicular to the direction of the wave, while longitudinal waves occur when the particles vibrate parallel to the direction of the wave.

Both of these types of waves can be used for other purposes, such as transmitting information or energy, but they are not used for transmitting the voices of astronauts in the space station.

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Final answer:

Astronauts' voices are transmitted to Earth using electromagnetic waves, specifically radio waves, which are a type of transverse wave that can travel through the vacuum of space.

Explanation:

The voices of astronauts are transmitted back to Earth using electromagnetic waves. While sound cannot travel through the vacuum of space as it requires a medium, electromagnetic waves can. Specifically, astronauts use radio waves to communicate. These are a type of transverse wave that can travel through the vacuum of space. The astronaut's voice is converted into a radio signal that is transmitted via radio waves.

Therefore, the correct answer to the student's question is B) transverse waves. Examples of other electromagnetic waves include light, microwaves, and X-rays. These are all transverse waves and do not require a medium to travel, differentiating them from sound waves, which are mechanical and longitudinal waves but cannot travel through the vacuum of space.

1) lactic acid & ethyl alcohol are the two types of fermentation.

There are two types of fermentation: alcoholic fermentation and lactic acid fermentation.

The two types of fermentation are:

Lactic acid fermentation: This type of fermentation produces lactic acid.

Alcohol fermentation: Also known as ethanol fermentation, it converts pyruvic acid to acetaldehyde and CO2.

Based on the final product formed, fermentation can be divided into four types: lactic acid fermentation, alcoholic fermentation, acetic acid fermentation, and butyric acid fermentation. The three main types of

fermentation are alcoholic fermentation, lactic acid fermentation, and acetic acid fermentation.

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Walking, exercising, sitting, moving, driving, carpentry, cooking, chores.

When soldiers would go into underwater vessels they would see different species that we didn't know existed. After the war, scientists started researching these creatures.

World War II facilitated advances in marine science through the development of technologies for submarine detection, which post-war contributed to the growth of oceanography departments, national labs, and the acceptance of seafloor spreading.

World War II significantly altered the course of marine science by stimulating the development of technologies that were later pivotal in studying the ocean depths and understanding geological phenomena like seafloor spreading. The urgent military need to detect submarines led to advancements in oceanic research, resulting in expanded studies and an enhanced understanding of the ocean's properties. These developments fueled the growth of oceanography as a science, with the establishment of oceanography departments at universities and the founding of national ocean laboratories. The technologies forged in this crucible of war—ranging from sonar to deeper-diving submarines—provided researchers after the war with new tools to explore and comprehend the planet's underwater landscape, ultimately contributing to the acceptance of theories like plate tectonics.

"A" bonds with "T", and "G" bonds with "C"   (A-T) (G-C)

In DNA, bases bond together to form complementary base pairs. These pairs are A-T and C-G, denoting that adenine (A) bonds with thymine (T), and cytosine (C) bonds with guanine (G). The bond between G (guanine) and C (cytosine) is stabilized by three hydrogen bonds.

In biological terms, specifically in the context of DNA structure, bases bond together to form what are known as complementary base pairs. These occur due to hydrogen bonding. The bond formation depends on the type of base involved. The bases are represented by the letters A, C, G, and T, each representing a specific type of nucleotide: Adenine (A), Cytosine (C), Guanine (G), and Thymine (T).

The pairing is derived from the rule that adenine (A) always bonds with thymine (T), and cytosine (C) always bonds with guanine (G). These pairs, A-T and C-G, are known as complementary because of the bases' ability to bond with each other specifically. This preservation of order between bases ensures the correct genetic information is passed on during cell division (mitosis).

In the case of your question, G (guanine) bonds with C (cytosine). This specific base pairing, like all others in DNA, is stabilized by hydrogen bonds. Guanine and cytosine form three hydrogen bonds between them, contributing to the stability of the DNA structure.

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Interphase as it prepares cell for division by occurrence of some important biological functions and duplicate genetic material (DNA)

Answer:

DNA replication occurs during the S phase.

Explanation:

During the processes of the cell cycle is a phase called the S phase (Synthesis Phase) in which the DNA is replicated, occurring between the two phases G1 and G2.

Complete accurate DNA instructions in the cell must be duplicated in order to produce two similar daughter cells which occurs during the S phase where loosely coiled chromatin can be seen.

Aerobic respiration is is the process that takes place in the presence of oxygen. In this oxygen is used to break down the amino acids, fatty acids and glucose and is the main process to generate ATP in the body.

Aerobic respiration does not occur in cytoplasm, it occurs in mitochondria. In cytoplasm. Anaerobic respiration takes place in cellular respiration hence in cytoplasm anaerobic respiration takes place.

Aerobic respiration produces water and carbon dioxide as the end product. Cells which undergo aerobic respiration can produce nearly 6 molecules of carbon dioxide, 6 molecules of water and nearly 30 molecules ATP.

Aerobic respiration itself is a process that takes place in the presence of oxygen. It uses oxygen to break down glucose, fatty acids and amino acids and helps to generate ATP which is the main way to generate ATP to muscles.

Aerobic respiration is performed by mitochondria and not yeast. In yeast fermentation takes place which is a form of anaerobic respiration. Hence yeast undergo fermentation and not aerobic respiration.

Therefore the answer is B aerobic respiration produces water and carbon dioxide as the end products.

Answer:

The Venn diagram compares aerobic respiration and anaerobic respiration.

A Venn diagram is shown. One circle is labeled aerobic and the other circle is labeled anaerobic.

Which statement should be categorized only in the aerobic section of the Venn diagram?

occurs in the cytoplasm

produces water **

requires no oxygen

is performed by yeast

Explanation:

The cheese melts, so it changes from solid to liquid. It is a physical change since nothing chemically will change.

The cheese changes by melting from solid form to liquid form

1. Organisims that make their own food are called autotrophs. 2.Organisims that rely on a food source are called heterotrophs. 3. Plant cells and some alge contain chloroplasts to conduct photosythesis.4. Autotrophs get their energy from the sun to convert it into chemical energy. 5. The food making process is called photosynthesis. 6. Water and carbon dioxide are the raw materials for photosynthesis.

Igneous rock formation is most closely associated with volcanic events and the cooling and solidification of magma, either on the Earth's surface or underground.

The formation of igneous rock is most directly related to volcanic eruptions and magma intrusion into the Earth's crust. Igneous rocks form either on the Earth's surface as a result of volcanic activity, where magma exits a volcano and cools quickly to form rocks like basalt, or beneath the surface where magma cools slowly to form intrusive rocks such as granite. Most magmas that form igneous rocks originate at plate boundaries and hotspots due to mechanisms like pressure release, an increase in temperature, or the addition of volatiles which decrease the melting temperature of rocks.