Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following.
red: hydrogen
black: carbon
purple: oxygen
green: nitrogen
Which molecule could he make that consists of long chains of red and black colored balls?
carbohydrates
lipids
nucleic acids
proteins
Macromolecules are defined as large molecules like lipids, proteins, and carbohydrates.
In the given data, the red colour denotes hydrogen and black denotes carbon. The molecule that needs the majority of red and black color is carbohydrates. Thus, option "A" is correct.
What are Carbohydrates?Carbohydrates can be explained as:
Carbohydrates are the macromolecules, generally referred to as sugar. Carbohydrates are the primary nutrients of the diet along with proteins and fats.
Carbohydrate is a biomolecule that is made up of carbon, hydrogen, and oxygen atoms. The monomeric units of carbohydrates are monosaccharides.
Thus, the correct answer is Option A.
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A person has two genes, A and B that are on the same chromosome and 25cM apart, what percentage of their gametes would you expect to have parental combination of A and B
The percentage of your gametes that are expected to have a parental combination of A and B is 25%.
Why is AB blood so rare?Even rarer, type AB blood is characterized by the fact that it has no antibodies against either type A blood or type B blood. This means that people of this blood group can receive blood of any type without risk of adverse reactions.
With this information, we can conclude that The percentage of your gametes that are expected to have a parental combination of A and B is 25%.
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Otters spend most of their time in the water. Over time otters have developed a coat with soft underfur to trap warm air near their skin and an outer layer of longer hair that keeps them dry underwater. Which of the following describes how otters developed this type of fur coat?
The otters adapted gradually over many generations.
The otters adapted gradually over many generations.
Cold weather triggers the underfur to grow each winter.
Cold weather triggers the underfur to grow each winter.
The otters mated with other aquatic mammal species having thick fur.
The otters mated with other aquatic mammal species having thick fur.
The significant amount of time otters spend grooming their fur encouraged this trait.
The significant amount of time otters spend grooming their fur encouraged this trait.
Answer:
Cold weather triggers the underfur to grow each winter.
Explanation:
this is because they would freeze in the cold water in the winter.
Organelles wear out just like the parts to a machine. The cell is always repairing old organelles or completely breaking them down and replacing them with new ones. Imagine that a mitochondrion is old and worn out. What organelle(s) could be responsible for "disposing" of it?
The organelle that is responsible for removing worn out cells are the lysosomes.
What are lysosomes?Lysosomes are the organelles found within a cell that contains digestive enzymes called the lysozyme which are used to digest old and worn out mitochondria and wastes from the cell.
Therefore, the organelle that is responsible for removing old and worn out mitochondria are the lysosomes.
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Which of the following is the most important reason that a scientist should
replicate his or her experiments?
OA. To make sure that differences in the data are caused by real
differences and not by error
OB. To make sure that other scientists do not have to waste time
replicating this scientist's experiments
C. To practice the experimental procedures until the scientist is an
expert at performing them
D. To prove the scientist's hypothesis
Answer:
D. the only method of scientific investigation is in essence demonstrating the hypothesis is valid through repeated and more vigorous investigation using sound experimental techniques to produce the same or very similar results, ideally obtained from larger scale longitudinal studies, increasing sampling size and scale to lend greater and greater quality data on any query
Types of cell signalling?
Respiration in Organisms:- Visit the doctor. Learn about the various diseases related to respiratory system. What are the measures that may be taken to prevent them? Prepare a chart incorporating that measures and present in the class.
The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.
What are respiratory diseases?Respiratory diseases are different types of conditions/disorders that affect our respiratory airways.
These types of diseases (respiratory diseases) hamper our ability to take oxygen from the air.
In conclusion, The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.
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which phrese does not describe oceans near the equator
Low lightning does not describe oceans near the equator. thus option D is correct..Low tempretare, low salinty and low density are the other options which are not mention in question.
Which oceans are near the equator?The Pacific, Atlantic, and Indian Oceans are all located along the equator.
Low lighting does not describe oceans near the water because they receive maximum sunlight in the daytime. As a result, the equator experiences significantly stronger sunshine than the north and south poles, which warms the water there.Low tempretare, low salinty and low density are phrase describe ocean near the equator.
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Which term best describes this step of the investigative process?
Experiment is the best term to describe the step of investigative process.
Experiment.This is a procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law.
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What do you think are the biggest advantages & disadvantages regarding the kind of technology we have access to in the early 21st century?
Answer:
one among the biggest advantage of technology is increasing and improvement of living standard of peopleand the biggest disadvantage of technology is unemployment because machines replaced human laborThad rolls his bowling ball down the lane with a
force of 63 Newtons. If his ball has a mass of 7 kg,
what is the resulting acceleration of the ball?
35.
The acceleration of the ball is, 9m/s.
How, explain your answer briefly?Given data:
The mass of the bowling ball is, m = 7 kg.
The magnitude of force offered by ball is, F = 63 N.
The above problem is based on the Newton's second law of motion. According to the Newton's Second law of motion, the applied force is equal to the product of mass and acceleration of the body.
So,
F = ma
Solving as,
a = F/m
a = 63/7
Thus, we can conclude that the acceleration of the ball is, 9m/s.
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match each example of a conflict with what it tells you about the character invloed
An example of a conflict is that Beverly is going to make Millicent's challenge extra tough: she seems to enjoy treating people badly.
What is a conflict?A conflict simply refers to any form of disagreement, misunderstanding, or struggle that arises between two (2) or more parties, especially due to any of the following reasons;
Differing opinionsIncompatibilityA difficult challenge.Opposing viewSuperioritySome examples of a conflict with what it tells about the character include the following:
Beverly is going to make Millicent's challenge extra tough: she seems to enjoy treating people badly.Tracy is rejected by the sorority because of the way she appears: she doesn't look and act like the people who are popular.Millicent is unwilling to abandon her old friend Tracy: she thinks being a good friend is more important than being popular.Millicent is starting to question being in a group: she takes time to think things though carefully.Read more on conflict here: brainly.com/question/24769299
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Punnett squares are used by geneticists to determine the probability of different offspring genotypes. In the one shown below, what letter(s) belong in the lower right box?
Answer: aa
Explanation:
In a Punnett square, the lower right box will use the right letter on the top and the bottom letter along the left. This means we end up with: aa
See attached for more.
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how many half-lives have lapsed to yield a sample with 125 atoms of C-14 and 375 atoms of N-14
2 half-lives have elapsed to yield 125 atom of the original sample
Half of the amount of the radioisotope present at any given time will undergo spontaneous disintegration during the succeeding 5730 years. In other words , after 5730 years ,only half of the original amount of 14 c remains in a sample of organic material . Imagine that you start out with 100 grams of carbon 14 . The half -life is the time it takes for half of given amount of isotope to decay .
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What trait is recessive in the picture
Shortness is the recessive trait
How dose the cell wall protect a plant cell?
Answer:
It provides support and maintains the cells shape.
Explanation:
What is meant by solar energy?
Answer: Solar energy is the radiation from the Sun capable of producing heat, causing chemical reactions, or generating electricity.
Explanation:
Answer:
Renewable energy produced by the sun. It is carbon neutral but unreliable.
• which of the following is required for the sodium-potassium ions into an animal cell?
Answer:
Energy from ATP
Explanation:
ATP, or adenosine triphosphate, is a chemical that transports energy within cells. It is the cell's primary source of energy, and it is produced via photophosphorylation (adding a phosphate group to a molecule using light energy), cellular respiration, and fermentation. ATP is used by all living organisms. It is employed in signal transduction pathways for cell communication and is integrated into deoxyribonucleic acid (DNA) during DNA synthesis, in addition to being an energy source.
List 5 things that cellular respiration and photosynthesis have in common.
Identify the stages of the water cycle where water moves downward from the force of gravity.
Answer:
we have six stages of water cycle
What is the role of the nervous system in digestion?
Answer:
to provide passage of nutrients throughout the body.
Answer:
This system coordinates digestion, secretion, and motility to achieve adequate nutrient absorption.
Explanation:
Enteric nervous system- is the intrinsic nervous system of the GI tract, containing a mesh-like system of neurons
In DNA Replication, ATTTGC is complementary to TAAACG. True or False?
Answer:
True.
Explanation:
It's commonly known that adenine pairs with thymine and guanine pairs with cytosine following complementary base pairing.
The statement "In DNA Replication, ATTTGC is complementary to TAAACG" is definitely true.
What is DNA replication?DNA replication may be defined as the biological process through which two identical replicas of DNA are formed from one original DNA molecule. It occurs in all living organisms acting as the most essential part of biological inheritance.
The process of DNA replication is commonly known for some complementary sequences. For example, adenine pairs with thymine, and guanine pairs with cytosine which effectively follows the process of complementary base pairing.
This base pairing of nucleotides will follow Chargaff's rule which states that the amount of adenine is always equal to the amount of thymine, while the amount of guanine always equal to the amount of cytosine.
Therefore, the statement "In DNA Replication, ATTTGC is complementary to TAAACG" is definitely true.
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With reference to the diagrams below, describe how fishes and bottom dwelling polychaete worms cope with the fluctuating salinity within estuaries over the tidal cycle.
Fishes and bottom dwelling worms cope with the fluctuating salinity within estuaries over the tidal cycle with the use of transport system such as active and passive transport.
How active and passive transport system are used?In salty water, fish and other marine organisms used active transport in which energy is used to remove salts from the body of these marine organisms because excess salts are harmful for them.
So we can conclude that Fishes use transport system such as active and passive transport to cope with the fluctuation of salt concentration.
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What are some environmental advantages of building green?
which of these describes the gulf stream
Answer:
The Gulf Stream is formed from the convergence of the North Atlantic Equatorial Current bringing tropical water from the east, and the Florida Current that brings warm water from the Gulf of Mexico . The Gulf Stream takes this warm water and transports it northwards along the U.S. east coast . As a western boundary current
Select the correct location on the image.
Students are having a group discussion and notice that Maria has not had a chance to introduce her thoughts.
Which student response best draws Maria into the discussion?
Is Maria even
paying attention?
Maria, what do
you think?
Don't you
agree, Maria?
Alright, Maria, will
you settle this
argument?
Is Maria even paying attention? is the student response which best draws Maria into the discussion.
What is Discussion?
This is defined as the process of talking with people about a particular subject or topic.
Is Maria even paying attention? will make her alert and more involved so as to know what is being talked about.
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Answer:
Maria What do You think
Explanation:
The Least rude Way Of saying it
21. Which direction does the arrow point in a food web?
O downward
O to the animal being consumed
O to the animal consuming
O always toward a producer
Answer:
To the animal consuming
Explanation:
this is what I mean by saying that the arrow points to the animal consuming: in this case the animal consuming consumes whatever is written behind it ie in the example given the locusts will feed on the grass which is the producer that will feed on the locust something else will feed on the rat and that's how the chain goes so the arrow is always pointing to the eater and before it is what it consumes. have a nice day hope it helped if not feel free to ask me or tell me.
3. Which one of the following is not a biome? (1) tundra (2) tropical rain forest (3) mountain (4) savannah
Answer:
Mountain
Explanation:
Its pretty obvious
How can inheritance of traits affect a crop’s ability to survive disease?
All of the following show the probability of rolling an odd number on a 6-sided number cube except which of the following? A. 75% B. 3/6 C. 1/2 D. 50%