Answer:
the answer is a zipper
The replication of DNA is a zipper process. An enzyme called helicase is utilized to divide the two DNA strands that are present before DNA replication begins. Thus, option B is correct.
What is the zipper action of the enzyme helicase?Single-stranded DNA is created as a result of this energy-intensive unwinding reaction, which is needed as a template or reaction intermediate in DNA replication, repair, and recombination.
It splits the two DNA strands by unwinding the double helix. Helicase prepares the DNA strands for replication by separating and untwisting them.
It splits the two DNA strands by unwinding the double helix. Helicase prepares the DNA strands for replication by separating and untwisting them.
Therefore, DNA helicases accelerate the breaking of the hydrogen bonds that bind the double-stranded DNA's two strands together.
Learn more about helicase here:
https://brainly.com/question/2226073
#SPJ6
Which type of map is most likely to focus on boundaries between countries, states, and counties?
Answer: Political map
Explanation:
Answer:
Political map
Explanation:
A political map is most likely to focus on boundary lines. Topographic, physical, and geologic maps may show boundaries, but these boundaries aren't usually the focus of the map.
Help please. I posted a picture of the question and answer choices.
Answer:
its b i think
Explanation:
its not c for sure and
How does heart rate change during and after an exercise is performed for two different periods of time?
Answer: During exercise, your heart usually beats faster to deliver more oxygen to your body cells at a faster rate while after an exercise your heart rate will typically drop as soon as the heart start to rest
Explanation:
What does an urn-shaped age pyramid represent? A. a stable population growth B. a low birth rate C. a low death rate D. a growing population
Answer: B
Explanation:
because it’s supposed to show a declining population
Answer:
B. a low birth rate
IF ANYONE GOES TO ASU PREP AND TAKES NAVARROS BIOLOGY 1B PLEASE HELP IM DOING MY DBA TOMORROW
What are causes of climate change?
please elaborate : ) thank you!
why does our planet appear blue?
Answer:
Mars is the red planet; the Moon is an ashy grey; Saturn shines yellow and the Sun is a brilliant, blinding white. But our planet, when seen from the depths of space, whether we rise up above our world only slightly, in low-Earth orbit, or whether we travel to the outer reaches of our Solar System, shines a glorious blue.
Explanation:
Water vapor. The most abundant greenhouse gas, but importantly, it acts as a feedback to the climate. Water vapor increases as the Earth's atmosphere warms, but so does the possibility of clouds and precipitation, making these some of the most important feedback mechanisms to the greenhouse effect.
Carbon dioxide (CO2). A minor but very important component of the atmosphere, carbon dioxide is released through natural processes such as respiration and volcano eruptions and through human activities such as deforestation, land use changes, and burning fossil fuels. Humans have increased atmospheric CO2 concentration by more than a third since the Industrial Revolution began. This is the most important long-lived "forcing" of climate change.
Methane. A hydrocarbon gas produced both through natural sources and human activities, including the decomposition of wastes in landfills, agriculture, and especially rice cultivation, as well as ruminant digestion and manure management associated with domestic livestock. On a molecule-for-molecule basis, methane is a far more active greenhouse gas than carbon dioxide, but also one which is much less abundant in the atmosphere.
Nitrous oxide. A powerful greenhouse gas produced by soil cultivation practices, especially the use of commercial and organic fertilizers, fossil fuel combustion, nitric acid production, and biomass burning.
Chlorofluorocarbons (CFCs). Synthetic compounds entirely of industrial origin used in a number of applications,
You might have heard that the ocean is blue because the sky is blue, and water reflects the skies. Well, the sky is blue; that’s for certain. And the sky is blue because our atmosphere is more efficient at scattering blue (shorter-wavelength) light than red (longer-wavelength) light. This is the reason why the earth looks blue in color.
HOPE IT HELPS YOU
HAVE A GOOD DAY and❤️☺️
Question 2 (1 point)
Select the organelles that are found only in plant cells.
mitochondrion
chloroplasts
cell wall
cell membrane
small vacuoles
large vacuoles
golgi body
lysosome
endoplasmic reticulum
blue Cheetos
pink bubblegum
A scientist set up an experimental ecosystem in a sealed room with no windows. The experimental ecosystem has plants, and animals that eat those plants. The scientist can control whether the room is light or dark with a light switch outside the room.
The amount of carbon in the air of the ecosystem started out low. Then the amount of carbon in the air started to increase. Is the increase because the scientist switched the light on or because she switched the light off? What happened to the number of energy storage molecules in the living things?
The scientist . . .
a
switched the light off, and the number of energy storage molecules in the living things decreased.
b
switched the light off, and the number of energy storage molecules in the living things increased.
c
switched the light on, and the number of energy storage molecules in the living things increased.
d
switched the light on, and the number of energy storage molecules in the living things decreased.
Answer:
Option-A
Explanation:
In the given question, the artificial ecosystem was prepared by the scientist which included the animals and plants. The light and dark conditions were controlled by a switch and bulb.
In the beginning, the amount of Carbon in the form of carbon dioxide was low due to the utilization of carbon dioxide by plants to perform photosynthesis. Then the amount of carbon dioxide increased in the atmosphere, the reason could be due to less consumption of carbon dioxide. The carbon dioxide is not uptake by plants during night conditions when photosynthesis process slowed down or stops.
Therefore, the dark condition was created by the scientist by switching off the lights and the number of energy molecule decreased as no photosynthesis was occurring.
Thus, Option-A is the correct answer.
Answer:
A
Explanation:
Science Riddle of the Day: Whats The Most tiniest Virus Ever?
Answer:
The smallest viruses are thought to be the Porcine Circovirus.
Explanation:
Can you please tell me 2 advantages and 2 disadvantages of tearing down old
houses in the middle of a city to create a park.
Extra points and braniest will be given.
Answer:
Advantages: you have more space, and you can build more easily a park.
Disadvantages: people might die when you tear it down, and you need to pay a whole bunch of money .
Explanation:
Why is it important for scientific information to be accurate?
Answer:
See below
Explanation:
It is important to be both reliable and precise when taking scientific measurements. Precision indicates how similar a metric is to its true meaning. This is necessary because incorrect hardware, bad data analysis or human error will yield inaccurate and false performance.
Hope this helps.
Which materials are excreted through sweat glands in the skin?
Answer:
carbon dioxide, hydrogen, and water
salt, urea, and water
urine, alcohol, and water
fats, ammonia, and water
Answer:
Not A absolutely not A
Explanation:
What is an organism that lives on or in another organism and derives its nutrition from that organism?
Answer:
A parasite
Explanation:
Parasitism is a form of symbiosis where one organism lives on/in another organism, as in the question, and gets a benefit from that organism, while the other organism is harmed. This is denoted by +/-, which means that one is positively impacted and one is negatively impacted, as opposed to commensalism, which is +/0, or mutualism, which is +/+.
An example is tapeworms, which are flatworm parasites that live in the human intestine; they benefit while the host suffers.
Which statement about global warming is true?
A)
Global warming affects terrestrial ecosystems only because aquatic ecosystems are not affected by the Earth's surface temperature.
B)
All species can adjust to changes brought about by global warming through changing feeding and breeding patterns.
C)
Global warming concerns result from increase in the Earth's surface temperature and the increase in the carbon dioxide concentrations in the atmosphere.
D)
All of the above
Answer:
The answer is C
Explanation:
None of the others make sense
Global warming concerns result from increase in the Earth's surface temperature and the increase in the carbon dioxide concentrations in the atmosphere. So, the correct answer is (C).
What is Global Warming?
Global warming occurs when Carbon dioxide ([tex]CO_2[/tex]) and other air pollutants collect in the atmosphere. It is the long-term heating of Earth’s surface.
Due to Global warming, glaciers are melting, sea levels are rising, cloud forests are dying, and wildlife is scrambling to keep pace.
The causes of Global warming are so many like
1.Generating power
2.Manufacturing goods
3.Cutting down forests
4.Using transportation
Thus, Global warming concerns result from increase in the Earth's surface temperature and the increase in the carbon dioxide concentrations in the atmosphere. So, the correct answer is (C).
Learn more about Global warming, here:
https://brainly.com/question/12908180
#SPJ2
Herpes is categorized as a
A)bacterium.
B)mold.
C)spore.
D)virus.
Answer:
D
Explanation:
Herpes simplex viruse
Answer:
D Virus
Explanation:
Salt marsh, Atlas, and Indianmeal are three types of what insect?
Answer:
Aquatic Insects I believe
Explanation:
Which situation below would have the strongest gravitational force between them?
A 10 kg mass and a 10 kg mass at 30 km apart.
A 2 kg mass and a 2 kg mass at 10 km apart.
A 10 kg mass and a 10 kg mass at 10 km apart.
A 10 kg mass and a 2 kg mass at 30 km apart.
HELP
From the point of view of your immune system, what is the most likely consequence of picking your nose?
It can cause damage to the lining of your nose, which your immune system will then have to repair.
It removes the helper T cells stored in your nasal mucus, making your body less likely to produce a nonspecific immune response to pathogens.
It pushes any pathogens on your finger up into your nose and removes mucus that was there to trap them.
It can leave dirt inside your nose, which your immune system must remove by creating specific antibodies.
Answer:
It can leave dirt inside your nose, which your immune system must remove by creating specific antibodies.
Explanation:
because ur nose hair prevents dirt and things from getting in, but when you pick ur nose ur putting stuff directly in ur nose
The diagram below shows fossils in three layers of rocks.
Picture shows three layers of rocks labeled Layer A, Layer B, and Layer C from bottom to top. Each layer of rock has a fossil.
Which of these conclusions is most likely correct about the organisms found in the layers of rocks?
The organism in Layer A is more complex than the organism in Layer B.
The organism in Layer B is more complex than the organism in Layer C.
The organism in Layer C is a modern form of the organism in Layer B.
The organism in Layer A is a modern form of the organism in Layer B.
Answer:
c
Explanation:
not sure about what does complex means, but if we according on theory of superposition - the top layer of rocks is younger than bottom
it means that the toppest layer is modern
We can observe three strata of fossil-bearing rocks in the diagram. We must take into account the idea of fossil succession in order to determine the conclusion regarding the organisms identified in these layers.
The theory of fossil succession holds that fossils found in rock layers are placed in a specific order. The oldest fossils are found in the bottom layers, while the youngest fossils are found in the top layers, which represents the relative ages of the fossils.
The conclusion that "the organism in Layer C is a modern form of the organism in Layer B" is most likely accurate based on this premise. As a result, the creature in Layer C reflects a more recent or evolved form of the organism in Layer B and existed before the organism in Layer B.
Overall, the concept of fossil succession aids in our comprehension of the relative ages and evolutionary connections of the creatures found in various rock layers.
Learn more about succession here;
https://brainly.com/question/26675203
#SPJ4
Why is the phloem in a leaf important to the roots of a plant?
A. It transports oxygen to the roots of the plant.
O B. It transports blastocysts to the roots of the plant.
O C. It transports water from the roots to the leaves.
OD. It transports carbohydrates to the roots.
Answer:
D. It transports carbohydrates to the roots.
Explanation:
Phloem is mainly used to transport nutrients from their region of production to the region that needs or stores the nutrient.
In photosynthesis, the method that plants make food, starch is produced. As the root hair cells needed energy to function, nutrients is needed so that it can respire and produce energy.
Therefore, when starch is produced, they will travel down the plants by the phloem to the roots where the nutrients is used.
brainlest please
As it delivers carbohydrates to the roots, the phloem in a leaf is vital to a plant's roots. So, the correct option is D.
What is Phloem?The plant tissue known as phloem is in charge of moving sugars, nutrients, and other organic substances from the leaves, where they are made by photosynthesis, to the other sections of the plant, such as the roots, flowers, and fruits.
Phloem has a bidirectional transport system that enables it to carry materials both across and down the plant. Sieve-tube elements and companion cells, which make up phloem tissue, are specialised cells.
A vascular tissue called phloem is in charge of moving sugars (carbohydrates) from the leaves to the roots and other sections of the plant. The plant may transfer the byproducts of photosynthesis through its whole system thanks to a process called as translocation.
Therefore, the correct option is D.
Learn more about Phloem, here:
https://brainly.com/question/15342686
#SPJ7
Select all that apply.
Cyanobacteria
serve as a food source for other organisms
are used for medicinal purposes
produce oxygen
perform nitrogen fixation
cause disease
Answer:
Its A . serve as a food source for other organisms .
Explanation:
hope it helps
Answer:
Yes . the correct one is serve as a food source for other organisms.
Explanation:
hope ut helps you ❤❤
When put together, these bases (A,T,C,G) make up "sentences" that we call
Answer:
Explanation:
ATCG are called the Nitrogenous Base. The DNA(deoxyribonucleic acid) is made up of a phosphate group, 5 Carbon sugar called deoxyribose and Nitrogenous base.
This Nitrogenous bases are further divided into purine and pyrimidine
Purine includes- Adenine and Guanine while pyrimidine includes Thymine and Cytosine or Uracil in the RNA.
When Base pair occurs, Adenine pairs with Thymine while Guanine pairs up with cytosine in DNA.
Which heart structure prevents blood from flowing backward? aorta valve septum coronary artery
Answer:
valve
Explanation:
valve is present in veins and other structures so as to prevent blood to flow backward
Answer:
The answer is valve.
Explanation:
Valve prevents the backflow of blood.
House sparrows from England were released in the United States. They have competed with native bluebirds. These house sparrows are __________.
Answer:
House sparrows from England were released in the United States. They have competed with native bluebirds. These house sparrows are invasive species.
Explanation:
House sparrows are invasive species that were introduced in the United States and once established these birds started to compete with native species and managed to displace many native birds. They seriously affected farmlands. Now they are everywhere always associated with human being presence.
Biologic Invasive species: It refers to new species that disperse and establish in a new area far or out of their original distribution range. Once established, these species expand their distribution from the first invaded spot and overgrows. As they expand, they compete with other species for resources, such as food sources, water, shelter, radiation, exposure, among others. Species are considered to be invasive because of their high reproductive rate, population growth, and interaction with native species, which provokes huge damages in the native ecosystems. It is very common for these species to scape and start new populations in the new area, where they have less environmental pressure and better conditions than in their origin area -fewer predators, more resources, better nitches-, and these factors favor their establishment.
There are some typical steps in an invasion process:
1) Introduction or dispersion to the new area,
2) Naturalization. The new species establishes in the new area. It can grow, reproduce, and make use of resources.
3) Overgrowth and uncontrolled expansion.
4) Interaction with other species.
5) Stabilization.
In some cases biologic invasions are natural processes, that occur in small groups of individuals that can expand to other ecosystems, and the appearing or despairing of barriers promotes their expansion. But these biologic invasions have been accelerated by human beings, referring to this as "human-assisted invasions".
please help ASAP will give brainiest !!!!!!!!
an energy pyramid is a diagram that shows energy gain. true or false?
Answer:
True
i hope this helps
What is the correct term for the point at which the maximum rate of oil extraction is reached?
The point at which the maximum rate of oil extraction is reached is called _______.
Answer:
peak oil
Explanation:
EASY BRAINLIEST
In the classification of organisms by kingdom, all prokaryotes are grouped together in the kingdom Monera. Genetic research, however, led to the separation of prokaryotes into two domains, Archaea and Eubacteria. Which of the following best describes similarities between Archaea and Eubacteria?
Both can undergo binary fission and are autotrophs.
Both are able to withstand extreme temperatures and lack of oxygen.
Both have single-stranded, helical DNA and cell walls.
Both lack membrane-bound organelles and are single-celled.
DONT TAKE ANSWERS OFF OF ONLINE
Answer:
D) Both lack membrane-bound organelles and are single-celled.
Explanation:
The answer is D because the main difference between Archaea and Eubacteria is they differ in the formation of their cell wall. Archaea's cell walls are made of uncommon lipids while Eubacteria have cell walls made of peptidoglycan.
The skin functions as part of the ______ system because it provides a physical barrier that prevents microorganisms from entering the body.
Answer:
immune system
Explanation:
Immune system protects us from pathogen and harmful organisms that enter our body. Skin is the largest organ in our body and covers every inch of us thus it prevents pathogens from directly entering our organs or body acting as a part of immune system.
For both conditions, explain how protein synthesis contributes to the symptoms of the disease
Answer:
Explanation:
Among the causes of protein synthesis disorders, an important place is occupied by various types of alimentary insufficiency (complete or incomplete starvation, lack of essential amino acids in food, violation of a certain quantitative ratio between essential amino acids entering the body).
The protein synthesis correspondingly contributes to the symptoms of the disease by the fact that it produces some dysfunctional or bizarre proteins which significantly stimulate the specific types of disorder in organisms.
What is Protein synthesis?Protein synthesis may be defined as a biological process through which cells make protein in order to perform specific functions within the body of living organisms. It occurs in two stages, i.e. transcription and translation.
Transcription is the stage of protein synthesis through which the effective transfer of genetic instructions in DNA to mRNA in the nucleus takes place. While the process of translation involves the process by which a cell makes proteins using the genetic information carried in messenger RNA (mRNA). It occurs in the cytoplasm of the cell.
The disorder of protein synthesis is occupied by numerous kinds of alimentary insufficiency such as entire or incomplete starvation, insufficiency of mandatory amino acids in food, and violation of essential amino acids entering the body.
To learn more about Protein synthesis, refer to the link:
https://brainly.com/question/884041
#SPJ2
During photosynthesis, plants take in carbon dioxide, water, and energy from
the sun and produce carbohydrates and oxygen. Which of the following
statements best explains how plants follow the law of conservation of mass
during photosynthesis?
Answer:
a
Explanation:
According to your data, which cell was most successful at receiving the needed nutrient (food coloring) in the allowed time?
Answer:
Can you show data please
Explanation: