Answer:
D
Explanation:
A pairs with T
C pairs with G
T pairs with A
G pairs with C.
An easy way to remember this is: Apple on Tree. Car in Garage
The statement that best represents the complementary DNA strand for the sequence ACT GCA is TGA CGT. Thus, the correct option for this question is D.
What is Complementary DNA?Complementary DNA may be defined as a type of DNA copy of a messenger RNA (mRNA) molecule that is significantly produced by reverse transcriptase which is a DNA polymerase that can use either DNA or RNA as a template.
According to the complementary base pairing, adenine always pairs with Thymine and vice versa while cytosine pairs with Guanine and vice versa. According to Chargaff's rule, the amount of adenine is always equal to the amount of thymine while the amount of guanine is always equal to the amount of cytosine.
Therefore, the statement that best represents the complementary DNA strand for the sequence ACT GCA is TGA CGT. Thus, the correct option for this question is D.
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How is the function of NAD
similar to that of NADP+?
Answer:
The function of NAD+ that is similar to that of NADP+ is that each NAD+ accepts a pair of high-energy electrons. Describe glycolsis in terms of energy input, energy output, and net gain of ATP. In glycolysis, glucose is converted to molecules of pyruvic acid. ... NAD becomes NADH.
Explanation:
Answer:
they are both electrons that carry high energy electrons which then are converted and used into the transport trains.
Active transport is a way for molecules to move across the plasma membrane. When active transport is used what is required?
It is transported across the plasma membrane with the help of the energy molecules. It is the transport ions and the transport molecules that help to facilitate the transport.
What is the structure of a plasma membrane ?It is the bi layer of lipids with the association of proteins in it.
ATP that are the energy molecules called as energy currencies as well. It is the molecule of the energy that helps in the transportation of molecules through it. The ATP is broken down into the ADP with the Pi ion and this breakdown gives out the energy libation for the reaction.
Active transport does require the cellular energy in order to achieve the movement. There are 2 types of the active transport : primary active transport which uses the adenosine triphosphate (ATP) and secondary active transport which uses the electro chemical gradient.
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Light reaction requires energy from sun?
Using water more efficiently _______.
a.
protects the environment
b.
causes the loss of natural pollution filters
c.
increases water contamination
d.
all of the above
Answer:
a. protects the environment.
Explanation:
Using water efficiently means using it wisely and not wasting it. When we use water more efficiently, we reduce the amount of water we consume, which helps to conserve water resources. This is important because water is a limited resource, and by using it efficiently, we can ensure enough water is available for future generations.
By using water more efficiently, we can also protect the environment. Water is essential for many ecosystems and habitats, and by conserving water, we can help maintain the balance of these ecosystems. Additionally, using water efficiently can reduce the need for energy-intensive water treatment and distribution processes, which can help reduce greenhouse gas emissions and mitigate climate change.
So, using water more efficiently helps protect the environment but also helps conserve water resources for the future.
Match the correct definition to the correct term.
Question 1 options:
4
hypothesis
theory
matter
energy
kilogram
SI system
universal law
physical science
model
1.
the branch of study that includes physics and chemistry
2.
takes up space and has mass
3.
the capacity or ability to do work
4.
testable guess that can be expressed as an "if-then" statement
5.
a scientific explanation that has been repeatedly confirmed
6.
a principle that is in effect always and everywhere
7.
an artificial representation of a real system or process
8.
the standard units in scientific and technical pursuits
9.
the base unit for mass in the SI system
hypothesis- testable guess that can be expressed as an "if-then" statement theory - a scientific explanation that has been repeatedly confirmed matter-takes up space and has mass energy-the capacity or ability to do work
kilogram-the standard units in scientific and technical pursuits SI system -the base unit for mass in the SI system. universal law-a principle that is in effect always and everywhere.
physical science-the branch of study that includes physics and chemistry model-an artificial representation of a real system or process
What is Theory ?A principle formed to explain things, certain phenomena, or fact which was validated previously known as Theory.
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If the gene sequence of DNA is
TACGGACCAG
what will the complementary mRNA sequence be that is made during transcription
The complementary mRNA sequence that is made during transcription from the given DNA sequence TACGGACCAG will be:
AUGCCUGGUCC
What is transcription ?
During transcription, the DNA sequence is used as a template to synthesize an mRNA molecule, where each nucleotide in the DNA sequence is complementary to a nucleotide in the mRNA sequence. In RNA, the nucleotide uracil (U) replaces thymine (T) found in DNA. So, the complementary RNA sequence to the given DNA sequence will have uracil in place of thymine. Thus, the mRNA sequence will have the complementary sequence to the DNA sequence as shown above.
What is DNA?
DNA stands for deoxyribonucleic acid. It is a long molecule made up of repeating units called nucleotides. Each nucleotide consists of a sugar molecule called deoxyribose, a phosphate group, and one of four nitrogenous bases: adenine (A), cytosine (C), guanine (G), or thymine (T).
The order of the nucleotides in the DNA sequence determines the genetic information of an organism. DNA is the genetic material that is passed down from parents to offspring and contains the instructions for the development, function, and reproduction of all living organisms.
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Which of the following sequences
(on one strand of a double stranded
DNA molecule) is likely to be a
cleavage site for a restriction
enzyme? Explain your answer.
a. CGTACC
b. ATGTCG
c. GATATG
d. TGCGCA
Answer:
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
Hello!
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
❖ The correct answer is D) two double-stranded DNA molecules, each composed of one and one old strand. This is known as semi-conservative replication.
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ!! ♡
~ HAZEL
Provide an environment (bowl or container) filled with 100 of each "prey" type (Consider beans, uncooked pasta, or cotton balls). Give yourself a minute to "catch" the "prey" with each "predator" separately (total of 3 minutes). Place each "prey" that is caught into a cup. Count your results after each "predator" simulation.
Which prey was the best adapted? What data do you have to support this?
In what ways does this activity demonstrate the process of natural selection and its consequences?
The activity demonstrated natural selection as the beans will most likely survive since they are better suited to their environment .
What is natural selection?Natural selection is the process which organisms which are better adapted to their environment survive and reproduce while those not adapted die.
In the simulation, the "prey" are beans, uncooked pasta, and cotton balls. The predators are fork, knife, and a spoon.
Using the predators to pick up the prey, the beans were more adapted as they escaped being caught the most, as they had the least number picked up.
Therefore, the beans will most likely survive, demonstrating natural selection which states that organisms better suited to their environment survive the most.
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Why is the energy transfer between tropical levels not even close to 100% efficient
Answer:
because at each level there is respiration loss
Explanation:
i think tell me if im rong
What covers the skeleton
QUESTION-
What covers the skeletonANSWER-
periosteumExplanation:
The tough, thin outer membrane covering the bones is called the periosteum. Beneath the hard outer shell of the periosteum are tunnels and canals through which blood and lymphatic vessels run to carry nourishment for the bone. Muscles, ligaments, and tendons may attach to the periosteum.\( \rm\color{wheat}by - \: denfor\)
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Human gametes are
1. Isogamous
2.anisogamous
3.oogamous
4. None of the above
Answer:
oogamous
Explanation:
i got it right on the test
Hypothesis: If the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein.
Based on the data, was Zack, who ate the tofu, guilty of leaving a mess in the classroom?
Justify your answer.
If reagent turned purple, Zack ate tofu and was guilty of leaving a mess; otherwise, he was not guilty.
That's what the speculation expresses in the event that the secret food is tofu, it will respond with the reagent that demonstrates the presence of a protein. In light of the information, assuming that the reagent became purple subsequent to testing the secret food that Zack ate, then, at that point, it demonstrates the presence of a protein and supports the speculation that the secret food was tofu. In this manner, Zack would be at legitimate fault for leaving a wreck in the study hall on the off chance that the reagent became purple since he was the one in particular who ate tofu. Nonetheless, in the event that the reagent didn't become purple, it implies that the secret food was not tofu or didn't contain sufficient protein to be distinguished by the reagent. For this situation, Zack wouldn't be at legitimate fault for leaving a wreck in the homeroom. The end would rely upon the aftereffect of the examination and regardless of whether it upheld the speculation.
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What is Serena is mixing a material into a beaker filled with a liquid. She notices that the material seems to disappear into the liquid. What physical property of the material is Serena most likely observing an example of a physical change?
Which of the following liquids causes heartburn?
chyme
cecum
stomach acid
bile
The liquid that causes heartburn is stomach acid.
In your post, discuss ONE Neanderthal or Denisovan gene that is currently found within our species. Tell us about the gene and its function. Explain what it does for us. (Make sure you give a citation.) Explain in your own words any possible advantages that your Neanderthal or Denisovan gene might have. Make sure you give in informed opinion that is grounded in your research. Caution: Make sure that your chosen genetic variant is not simply a result of common ancestry. For example: FOXP2 is a gene that Neanderthals and Sapiens share because of common ancestry. Verify that the genetic variant that you are looking at is actually derived from Neanderthals, Denisovans or another species. You will have to respond to two other student posts. Make sure you cite your work.
Answer:
It has been shown that many microRNAs (miRNAs) were differentially expressed in Neanderthal and Denisovan genomes.
Explanation:
MicroRNAs (miRNAs) genes encode for RNA regulatory sequences capable of modulating gene expression patterns, thereby they play critical roles in evolution and development. It has been proposed that these miRNAs might control the expression of TRAPPC9, GRID1, PRDM16, NAV2, SorCS2, CAMTA1, and ASIC genes, which are involved in neurocognitive developmental functions.
You can read this publication about this important issue:
Cserhati et al. (2018). Motifome comparison between modern human, Neanderthal and Denisovan. BMC genomics, 19(1), 472.
What is the purpose of the part of the female reproductive system highlighted
below?
A. Acting as a birth canal
B. Developing a fetus
C. Transporting eggs
D. Storing eggs
The purpose of the part of the female reproductive system highlighted in the image is transporting eggs. Details about reproductive system can be found below.
What is reproductive system?The reproductive system is the system of organs within an organism which work together for the purpose of reproduction.
The reproductive system of living organisms can either be male or female.
According to this question, the structure represented in the above image is a Fallopian tube, which functions to transport eggs from the ovary to the uterus.
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A cladogram of feline species is shown.
Answer:
C
Explanation:
i took test and got a 100%
Tiger (Panthera tigris) and lion (Panthera leo) are the most closely related species among the other feline species.
What are feline species?Feline species refer to various types of cats or other members of Felidae family. This family includes both big cats as well as small cats, such as domestic cat and large tiger both come under this family. A total number of 40 species of felines are known today, where they are distributed in various habitats around the world.
Some common examples of feline species include the lion, leopard, jaguar, domestic cat, etc. Each feline species has their own unique characteristics that allow them to survive under their respective habitats.
The two feline species that are most closely related in the given list are tiger (Panthera tigris) and the lion (Panthera leo). They both belong to Panthera genus within the Felidae family. The other feline species are not closely related as the tiger and the lion.
Therefore, tiger (Panthera tigris) and the lion (Panthera leo) are the most closely related species.
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Are the cells able to move on their own? Whyor why not?
Answer:
Yes, some cells are able to move on their own. This type of movement is known as cell motility, and it is a crucial aspect of many biological processes, such as embryonic development, wound healing, and immune response.
There are different mechanisms by which cells can move. Some cells, such as bacteria and sperm cells, have flagella or cilia that allow them to swim or move through fluids. Other cells, such as white blood cells, use a process called amoeboid motion, where they extend and retract membrane protrusions to move forward.
In addition, some cells are able to migrate through tissues and organs by sensing and responding to chemical cues in their environment. This type of movement is known as chemotaxis, and it allows cells to move towards or away from specific chemicals.
So, in summary, while not all cells are able to move on their own, many types of cells have the ability to move through various mechanisms.
Explanation:
A person who conducts research on psychological disorders is a
Question 20 options:
clinical mentalist.
clinical practitioner.
clinical scientist.
clinical profiler.
A person who conducts research on psychological disorders is a clinical scientist.
Who is a clinical scientist?An expert in mental health who studies psychological problems is known as a clinical scientist.
They typically hold a Ph.D. or PsyD in psychology, and they might additionally have training in research techniques.
They also use scientific techniques to plan and carry out research, gather and examine data, and increase our understanding of mental health.
In order to improve our knowledge of psychiatric diseases and create evidence-based interventions, clinical scientists frequently collaborate with other professionals in academic and research contexts.
Therefore, C) clinical scientist is the correct answer.
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charles darwin is credited with outlining the principles of evolution by natural selection. what aspects of the scientific method can be identified in darwin's work
Answer:
Charles Darwin's work followed the rules of hypotheses creation and testing.
In order to prove a scientific suspicion, a true scientist has to follow the above methods.
So Darwin probably theorized that the offspring of certain living entities were by either environmental conditioning or by natural selection different genetically from their parent.
He tried this hypothesis over time and using the results he got, modified his theory.
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Which two Kingdoms are nearly the same, except for where they can survive?
A. Plantae and Fungi
B. Protista and Plantae
C. Eubacteria and Archaebacteria
D. Protista and Archaebacteria
Eubacteria and Archaebacteria are the two Kingdoms are nearly the same. The correct option is C.
What are eubacteria?Eubacteria are prokaryotic microbes that consist of a single cell that lacks a nucleus and contains DNA in the form of a single circular chromosome.
Eubacteria are gram-negative or gram-positive bacteria with economic, agricultural, and medical significance. E. coli, Lactobacilli, and Azospirillum are among them.
Archaebacteria are referred to as ancient bacteria, whilst the eubacteria are referred to as true bacteria.
Archaebacteria, unlike eubacteria, can survive in harsh environments.
The resemblances are that archaea and eubacteria are both prokaryotes, which are single-celled organisms without a nucleus or organelles.
Thus, the correct option is C.
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what is a denatured enzyme?
Answer:
A protein with an altered shape (from high temperatures) that prevents it from doing its job
Explanation:
How does exercise change the consumption of oxygen and production of carbon dioxide?
92ml 3.0 fl oz what is the ratio
The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.
To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).
1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).
Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).
Now we can express the ratio between 92 mL and 88.72 mL:
92 mL : 88.72 mL
Simplifying the ratio by dividing both sides by the greatest common divisor, we get:
46 : 44
So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.
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What is the importance of having bacteria that is helpful that is helpful?
A. All bacteria makes humans and animals sick.
B. The bacteria that causes strep throat helps with immunity.
C. The bacteria in human’s intestines help digest food and cows with digesting plants.
D. Bacteria can create pathogens to make us healthy.
Answer:
the correct answer is D
The basic elements of the nervous system are called Multiple Choice erythrocytes. neurotransmitters. neurons. neutrophils.
The basic elements of the nervous system are called neurons (Option C).
What are the neuron cells of the nervous system?The neuron cells of the nervous system are the most important cells of this organ system which are responsible for receiving and sending messages to the brain and thus transducing the signals from the surrounding environment
These cells (the neuron cells of the nervous system) are also known as nerve cells due to their relative importance in this organ system and s they receive sensory signals from the surrounding conditions and also motor executive functions to the muscle cells.
Therefore, with this data, we can see that the neuron cells of the nervous system are the most important cells of the nervous system whose main function is to transmit messages from the surrounding input environment to functions that are processed into the brain.
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What are the different methods used to separate the components of a
mixture at your home? Write with an example for each.
Answer:
1. Mixtures can be separated using a variety of techniques.
2. Chromatography involves solvent separation on a solid medium.
3. Distillation takes advantage of differences in boiling points.
4. Evaporation removes a liquid from a solution to leave a solid material.
5. Filtration separates solids of different sizes.
Explanation:
thanks
100 points!! The map below shows the temperatures in parts of North
America on an average spring day.
65
Which statement best summarizes the temperature pattern shown in the
weather map?
A. Temperatures increase from the southeast to the northwest
B. Temperatures decrease from the southwest to the northeast.
C. Temperatures increase from the southwest to the northeast.
D. Temperatures decrease from the northeast to the northwest.
Answer:
B
Explanation:
Darker colors such as red and orange represent warmer temperatures and lighter colors such as green represent cooler temperatures
Northeastern USA has a lot of lighter colors meaning that it's cooler in the northeast
Southwestern USA has a lot of darker colors meaning that its warmer in the Southwest.
If you were to draw from southwest to north east temperatures would decrease as it's cooler in the northeastern areas.
Therefore we can conclude that B is the correct answer.
Why do onion skin cells have little or no chloroplasts? Explain.
Answer: The chloroplasts are filled with a special green chemical (pigment) called chlorophyll. This green pigment helps the cell trap light energy for photosynthesis. Onion cells are not green. They get no light, so do not need chloroplasts.
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true or false when a muscle contracts it gets longer
The muscle contraction is the process of it shortening or lengthening to do some activity, being any time that it occurs the magnitude of the force applied is greater than the muscle produces makes that muscle get longer, however it is not a case that always happens since there is different types of results for the muscle contraction (isometric, isotonic, and concentric). Therefore, it can not be affirmed that 100% of the times that a muscle cantracts it gets longer, being the sentence false.