which component of dna are held together by weak hydrogen bonds?

Answers

Answer 1

Answer:

the paired bases( nitrogenous bases )


Related Questions

WILL GIVE BRAINLIST!!! hypothesize TWO ways water pollution released from a factory into a small stream could travel through a watershed

Answers

Answer:

Two ways that the water pollution from a factory in the small stream could travel through a watershed are:

The polluted water will drain into the ground water and can travel further then, OR the polluted water can travel via watershed by leaking into the other streams, rivers, and oceans around it.

Explanation:

The two ways when the water pollution is released from a factory should be draining out or leaking out.

Two ways where the water pollution is released:The pollution water should drain into the ground water and could able to travel further thereafter. And, the polluted water could travel via the watershed via leaking into the rivers, oceans.

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Three common methods employed in the cleanup of oil spills are aeration of water, skimmer boats, and genetically engineered bacteria aeration of water, skimmer boats, and genetically engineered bacteria A aeration of water, phytoremediation, and genetically engineered bacteria aeration of water, phytoremediation, and genetically engineered bacteria B skimmer boats, high temperature incineration, and phytoremediation skimmer boats, high temperature incineration, and phytoremediation C large floating booms, high temperature incineration, and phytoremediation large floating booms, high temperature incineration, and phytoremediation D large floating booms, skimmer boats, and genetically engineered bacteria

Answers

Answer:

large floating booms, skimmer boats, and genetically engineered bacteria

Explanation:

Skimmers are used in the clean up of oil spills it makes use of containment skims that act like a fence and the surface of water and prevent the oil spill from moving or spreading across the water surface. It contains the oil into a particular place. Floating booms helps in the sucking out of oil in the confined area, its act like a vacuum pump and suck out all the oil spills available in the areas confined by the skimmers.

Bioremediation involves the use of microorganisms to clean up spills this micro organism breaks down this petroleum product into harmless substance through their metabolic activities. Genetically modified Bacterial can be use for this purpose to help break down this hydrocarbons and make them less toxic.

Select the correct answer. Which statement about natural selection is true? A. Natural selection and evolution are two terms for the same phenomenon. B. Natural selection is an outdated theory to explain how evolution took place. C. Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce. D. Natural selection is the process by which organisms develop variation in traits, which gives them a better chance of survival.

Answers

Answer:

C. Natural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.

Explanation:

Natural selection is an evolutional process by which species of living organisms with stronger or more beneficial traits have higher chances of survival and reproduction. In other words, it is the process by which organisms adapt and survive.

Organisms in a population are all different in their own ways. And those with characteristics or traits better suited for the environment are more likely to survive than those without. The selection prefers more beneficial traits and not wholly on the superiority of the organism. So, the survival and reproduction chance of an organism depends on the presence of traits beneficial to the environment, which is how nature selects. And in this process, those selected will dominate the population while those rejected will be reduced or even die.

Thus, the correct answer is option C.

the diagram shows part of a human female reproductive system.
which structure is labeled 1 in the diagram? (i put the answer in the pic)

Answers

You are correct. It is the Fallopian Tube.

Answer:

D: fallopian tube is correct

Which is not a reason for biodiversity in an ecosystem.

A. Organisms can adjust to environmental changes

B. The ecosystem provides a variety of food for organisms

C. Water scarcity

Answers

Answer:

C

Explanation:

it's water scarcity because biodiversity is variation among a group of populations. water scarcity would kill out animals and diminish biodiversity in an area

Answer:

C. Water scarcity

Explanation:

Hope you have a great day :)

If a DNA molecule is made up of 24% Thymine, theoretically, what percentage would be made up of Cytosine?

Answers

Answer:

Explanation:

28%

Examples of how humans negatively affect local ecosystems are
A. Building dams, deforestation cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads
B. Planting trees and other plants to attract native species
C. Creating laws to prohibit fishing from local streams
D. Removing non-native species from the environment.​

Answers

Answer:

A.  Building dams, deforestation cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.

Explanation:

Removing non-native species from the environment helps the native ants to thrive without having any changes in the ecosystem effect them (i.e. new invasive animal).

Creating laws to prohibit fishing from local streams helps keep the fish alive and allowing them to continue to use this stream.

Planting trees and other plants to attract native species helps secure and grow the ecosystem of that area.

This leaves A as the answer.

Hope that helps you!

Help brainiest answer:(

Answers

Answer: if you eat it you would be eating radiation

Explanation: Common sense

If you know the answer please help me!!

Answers

Answer:

- During development similar species show similar structures. These may include tails or gills. The presence of these structures provides evidence for common ancestry.

Explanation:

I Hope this Helps :)

Which of the following are parts of a bacterial cell?

Select all that apply.

mitochondria
flagella
cell wall
pili

Answers

Answer:

It is a gel-like matrix composed of water, enzymes, nutrients, wastes, and gases and contains cell structures such as ribosomes, a chromosome, and plasmids. The cell envelope encases the cytoplasm and all its components. Unlike the eukaryotic (true) cells, bacteria do not have a membrane enclosed nucleus.

Explanation:

Flagella, cell wall, and pili are parts of a bacterial cell.

What is a bacterial cell?

Microscopically small, single-celled creatures known as bacteria are found in millions in every habitat, both within and outside of other living things.

Some bacteria are hazardous, but most serve a helpful role. They are employed in industrial and medical procedures and sustain a wide variety of living forms, including both plant and animal life.

Around 4 billion years ago, bacteria are assumed to be the initial lifeforms to emerge on the planet. The earliest fossilized creatures are bacteria-like ones. Most biological and some materials can be used as food by bacteria, and certain strains can withstand harsh environments.

New insights into the functions of the gut microbiome are being provided by this expanding interest in how microorganisms affect human health. Bacteria are prokaryotes that do not contain any membrane-bound organelles.

Therefore, flagella, cell wall, and pili are parts of the bacterial cell.

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1. Identify the 4 major body systems shown below
A.————
B.————
C.————
D.————

Answers

A. Circulatory system
B. Nervous system
C.respiratory system
D. Digestive system
Hope this helped

There are three types of diabetes. Type 1 diabetes occurs when a. the pancreas does not produce insulin b. the body makes some insulin, but not enough c. hormone levels interrupt insulin production d. women are pregnant e. the body cannot accept the insulin produced

Answers

Answer:

a when the pancreas doesn't produce insulin

Explanation:

type one diabetes occurs when there is no insulin being produced by your body

please give me brainliest

a) when the pancreas does not produce insulin

pollination of a flower or plant with pollen from a different flower or plant is known as​

Answers

Answer:

Cross-pollination

Explanation:

cross-pollination is when pollen from one plant gets transported to another plant.

self-pollination is when pollen gets transported from the anther to the stigma of the same flower or a different flower on the same plant.

How do dendrites help the function of nerve cells? (1 point) 0 They help the neuron receive messages from the dendrites of another neuron. They help the neuron receive messages from the axon of another neuron. They help the neuron block messages from the dendrites of another neuron. They help the neuron block messages from the axon of another neuron.​

Answers

Answer:

Explanation:Dendrites are the segments of the neuron that receive stimulation in order for the cell to become active. They conduct electrical messages to the neuron cell body for the cell to function

Explanation:

?

Based on this information, which organelle is found in abundance in heart tissue cells?

Answers

Mitochondrion is the most abundant

A cold front is moving eastward across New
York State at an average speed of 50 kilometers
per hour. Approximately how long will the front
take to move from Buffalo to Albany?
(1) 5 hours
(2) 8 hours
(3) 3 hours
(4) 10 hours

Answers

10 hours to move from Buffalo to Albany
9.41 at doorstep to be exact, but 10 hours for full distance

In mice, the factor for black fur is dominant (B). The factor for brown fur is recessive (b). Use the Punnett square to predict what fraction of offspring will be black.

Answers

Answer:

i think it would be a 50% chance that the offspring would be black. Not sure if this is right tho haven't done this in years

Explanation:

Examples of Biotic factors include
A) grass, flowers, and sunlight
B) grass, trees, bees, and ants
C) Grass, trees, soul, and water.
D) All of the above

Answers

the term biotic stands for living things. considering the definition, i’d say the answer is b.
B) grass, trees, bees, and ants

Why would the burner on a hot stove cause a painful burn if it were touched?
A.
Light energy transfers from the burner to the skin.
B.
Light energy transfers from the skin to the burner.
C.
Heat energy transfers from the skin to the burner.
D.
Heat energy transfers from the burner to the skin.

Answers

Answer:

Option D

Explanation:

Interactions between organisms and their environment impact the organism’s overall population. The jaguar Panthera onca is the largest cat in North America. It is found in areas across the Southwest, including Arizona, New Mexico, and Texas. It is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, and many smaller mammals. Which shows the relationship between the jaguar and turtles?

Answers

Answer:

The correct answer is - predator-prey

Explanation:

The relationship between predator and prey is the interaction between predator and prey. A predator is is an organism that lives on hunting down other organisms for their nutrition and energy while the prey is an organism that is getting killed or hunted down by a predator. The population of prey is controlled by predators.

Here, the jaguar depends for their nutrition and energy on turtle and other organisms, therefore, jaguar hunt the turtles for their food which makes this a predator-prey relationship.

Answer:

D. predator-prey relationship

Explanation:

Please help me, thank you.​

Answers

C. Brain

Hello! The answer is C. Brain.









Answer:

The brain.

Explanation:

has dedicated areas to the processing of stimuli

You cross nonpure tall plants (Tt) and produce 200
offspring. Which of the following statements about
the offspring is correct?
A. All of the offspring will definitely be tall.
B. 150 of the offspring will definitely be tall.
C. There is a 75% chance that each offspring
will be tall.
O D. There is a 25% chance that each offspring
will be tall.

Answers

Answer:

C is the best answer

Explanation:

the dominate trait is in 3 of the four boxes

There is a 75% chance that each offspring will be tall. Therefore option C is correct.

When you cross non-pure tall plants (Tt), you are dealing with a heterozygous genotype, meaning the plants have one dominant (T) and one recessive (t) allele for the height trait.

The dominant allele (T) is responsible for the tall phenotype, while the recessive allele (t) leads to short plants. In this case, 75% of the offspring will likely receive the dominant allele from at least one parent (Tt or TT) and therefore be tall.

The remaining 25% will inherit the recessive allele from both parents (tt) and be short. This is based on the principles of Mendelian genetics and the Punnett square.

Therefore option C  There is a 75% chance that each offspring will be tall is correct.

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Floods can drastically change the land in an area due to____

Answers

Removing vegetation and soil, grading the land surface, and constructing drainage networks increase runoff to steams from rainfall and snowmelt. As a result, the peak discharge, volume, and frequency of floods increase in nearby streams. Changes to steam channels during urban development can limit their capacity to convey floodwaters. Roads and buildings constructed in flood-prone areas are exposed to increased flood hazards, in clouding inundation and erosion, as new development continues.

2. A mouse running away from the sound of an owl's wings is
an example of the mouse's ability to
A. reproduce
B. grow and develop
C. respond to the environment
D. obtain energy
Check Answer

Answers

Answer:

C Respond to the environment

A mouse running away from the sound of an owl's wings is responding to the environment.

What are living organisms?

The organism which can breathe, reproduce and have the ability to respond to an environment are some of the characteristics of a living organism.

Reproduction is the ability of an organism which gives similar kinds of organisms. Organisms grow and develop through cell division. Cell division is of two types mitosis and meiosis. Mitosis is an equational division.

The organism can respond to the environment. Mouse running away from the sound of an owl's wing is an ability to respond environment. Different organisms can obtain energy from food sources.

Therefore,  A mouse running away from the sound of an owl's wings is responding to the environment.

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Which of the following signal words can be used to
give examples of an idea?
A. Then
O B. Eventually
O C. Because
D. Specifically

Answers

Answer:

A

Explanation:

If your word is "than" it is a signal word that is used to give an idea because it allows the writer to compare and contrast ideas or phrases.

Answer:

C. Because

Explanation:

Which arrangement of the earth, sun and moon create the highest high tides and
the lowest low tides (greatest tidal range)? *
new and full moon phases
waning and waxing crescent moons
waning and waxing gibbous moons
O first and third quarter moons

Answers

Answer:first and third quarter moon

Explanation: closest to the earth

Which of the following connects the right and left hemispheres of the brain, allowing communication between
the to?
Medulla Oblongata
Pons
Corpus Callosum
Brain Stem

Answers

Corpus callosum will be your answer

The ribosome attaches amino acids together after they are brought by the tRNA to the translation site. Once a ribosome puts together the amino acid chain, the chain then fold or coils. This first folding or coiling of the amino acid chain is called the ______.
a. quaternary structure
b. tertiary structure
c. secondary structure
d. primary structure

Answers

The correct answer is letter D

3
ANNOTATE Write the inputs and outputs of cellular respiration on this diagram.

Answers

Answer:

Inputs---- glucose and oxygen.

Outputs----- ATP, carbondioxide and water.

Explanation:

The inputs of cellular respiration are the glucose and oxygen whereas the outputs of cellular respiration are energy in the form of ATP, carbondioxide gas and water. cellular respiration is a process in which glucose is broken down in the presence of oxygen gas for the production of energy in the form of ATP molecules. Carbondioxide gas and water which are the waste materials also produced in the end of cellular respiration process. Cellular respiration is the reverse of photosynthesis.

Which is the snowy owl's genus?
a) Scandiacus
b) Bubo

Answers

Answer:

bubo

Explanation:

Horned owls and eagle-owls

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