Which molecule is most common in the human body?
O A. H2
B. N2
C. H20
D. CO2
How is co2 converted to glucose?
Answer:
Photosynthesis
Explanation:
Atmospheric carbon dioxide is converted to glucose during the Calvin-Benson cycle. This requires the overall reduction of CO2, using the electrons available from the oxidation of NADPH. Thus the dark reactions represent a redox pathway. NADPH is oxidized to NADP+ and CO2 is reduced to glucose.
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Which of the following is true of enzymes? Select all that apply.
A: Enzymes create an environment in which there is an increased amount of energy required for a reaction to take place.
B: Enzymes withstand any permanent change during a reaction.
C: Enzymes slow down biochemical reactions.
D: Enzymes act as biological catalysts.
E: Enzymes lower activation energy.
Please Help! What molecules need to travel through ATP synthase to help it create ATP?
Answer:
The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.
Explanation:
That's the answer but not all of it just pick out the actual answer.
The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed.
What is RNA polymerase?RNA polymerase is an enzyme that aids in the transcription of DNA into RNA during transcript in the nucleus. The enzymes prevent many genetic mutations from being expressed.
Primase is an enzyme that synthesizes short RNA sequences called primers. These primers serve as a starting point for DNA synthesis during replication as the DNA polymerases cannot begin the synthesis of the new strand, they only extend it after primase begins it and primase produces RNA molecules, the enzyme can be said to be a type of RNA polymerase.
Therefore, The statement explains the importance of enzymes that check for and repair mistakes during DNA replication is the enzymes prevent many genetic mutations from being expressed.
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At which point in the graph has the population reached carrying capacity?
A. Point B
B. Point A
C. Point C
D. Point D
HELPPPP PLEASE ITS DUE IN LIKE 15 minutes..... please helppp
Answer:
2 Should be b, 3 Should be a and 6 Should be e
Explanation:
I aced my biology final
ASAP Describe the levels of protein folding- primary, secondary, tertiary & quaternary structure of proteins.
Answer:
Hope it help you
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Explanation:
The different levels of protein structure are known as primary, secondary, tertiary, and quaternary structure. The primary structure is the sequence of amino acids that make up a polypeptide chain. ... The exact order of the amino acids in a specific protein is the primary sequence for that protein.
REAL NAME - SHRESTH DUBEY
How do you believe that economics (money) and our environment are connected.
Answer:
Explanation:
Economics our environment are connected in an ongoing cycle we have created. Economics have a special influence on the environment because of the way we have set up our social system. There are many good affects of this cycle, such as people reserving land for endangered species. However, there are also bad affects, such as people monopolizing land just for themselves.
please help me! Give the chemical name of a common example of an acid or a base used to clean grease
Answer:
Potassium or sodium hydroxide (KOH or NaOH) react with triglycerides to form soap (the process is called saponification, the reaction of a strong alkali with fats and oils). Soap is alkaline in nature and is an effective cleansing agent. It is a useful mild antiseptic and can treat heavy metal poisoning.
Which of the following explains why antibiotics will not work against a viral infection?
a
Viruses replicate at such an accelerated rate that antibiotics are unable to control colonization and growth.
b
Viruses create highly resistant endospores that preserve their genetic material against antibiotics.
c
Viruses are not cellular and do not contain the lipid and protein markers targeted by antibiotics.
d
Viruses exchange genetic material with nearby bacteria that have become resistant to antibiotics.
Answer:
C.
Explanation:
Viruses don't have cell walls that can be attacked by antibiotics; instead they are surrounded by a protective protein coat.
true or false? diffusion requires energy from respiration
Answer:
true
Explanation:
Serenade is a country with a high rate of disease. What conclusion can be drawn about the health of the people in
Serenade? Select all that apply.
Serenade has a large number of unhealthy people,
Serenade has a small population of unhealthy people.
Serenade has more unhealthy people than healthy people,
Serenade has more healthy people than unhealthy people.
Answer:
1 (and 3))
Explanation:
The first answer would be most correct, but you might also be able to draw the conclusion that there are more unhealthy people than healthy people.
Answer:
1st one
Explanation:
I believe that you can assume the 1st one, but you can't really assume that they have more unhealthy people than healthy. You don't have any numbers to prove that.
Explain in detail how changes in light intensity or carbon dioxide levels might change rates of photosynthesis.
Your laptop was left on all night without being charged. When you wake up, the battery is dead. What happened to the battery's energy? * 5 points It was destroyed It was transformed to light, heat and sound energy. It leaked out of the laptop's battery. It was given off to the surrounding air as radiation.
Answer:
It was transformed to light, heat and sound energy.
Explanation:
Energy in a battery is used act as chemical energy that gives power to an electronic device along wires.
Energy of laptops battery transformed to light, heat and sound energy when left overnight without being charged. Light energy can be seen when laptop left turned on, laptops also creates sounds due to intense vibrations as the system is turned on and chemical energy is utilized, and when chemical energy converted into heat energy and the system get heat up.
Hence, the correct answer is "It was transformed to light, heat and sound energy."
After a virus uses a host cell, the host cell often
is damaged or destroyed
develops a capsid
is no different than before
is refreshed and healthy
Answer: is damaged or destroyed
Explanation:
The *blank* converts food into energy. It is found in both plant cells and animal cells.
what is the *blank*?
Answer:
Glucose?
Explanation:
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what’s a microscopic system inside a rabbit
Answer:
An accessible and efficient site for blood sampling in rabbits is the lateral ... of the lymphocytes is to respond to those activities that stimulate the immune system. ... of the spores from the urine by microscopy or polymerase chain reaction assay.
Explanation:
whats the answer????
Answer:
D, since there is already a lot of it in the cell
Describe a situation in which being able to drink milk would give an individual an advantage with respect to survival and reproduction.
Answer/Explanation:
A family has a farm in which they grow crops and keep cows. During a particularly harsh winter, the crops failed to grow as well as they normally do. This means that their food supply was limited.
However, they also have cows, and cows produce milk. If this family were able to drink milk, they could get some nutrition from the milk. This means they are less likely to succumb to malnutrition and disease, and are more likely to survive and reproduce.
Florida can be described as a peninsula, surrounded on three sides by salt water: the Atlantic Ocean and the Gulf of Mexico. The low lying areas of Florida are particularly susceptible to salt water intrusions and flooding. What is one way that such a disaster would greatly impact human life? A) Available fresh water would be reduced. B) Recreational areas might be destroyed. C) Sink hole development would increase. D) Local weather would be altered.
Answer:
I think it's B.
Explanation:
It might also be A, but B would be my first answer. Hoped this helps!
______is the international system of units used by scientists worldwide.
What is the percent of slope on land where the elevation falls 3 feet in 75 feet of horizontal distance
A 4%
B 6%
C 4.5%
D 6.5%
Answer:
I pretty sure its C. 4.5%
Explanation:
How does the statement Archaea have ribosomes, similar to eukaryotes support the theory presented in the article
Answer:
Since archaea are some of the oldest forms of life on Earth, the similarities suggest that some structures in eukaryotic cells, such as ribosomes, partially evolved from archaea
Explanation:
Describe the relationship among producer, herbivore and carnivore.
Geckos are a type of small lizard that live in tropical areas. Geckos are often eaten by birds, snakes and larger lizards so they need to blend into their surroundings. In one area, scientists had always found brown and green geckos that blended in with the grass and the leaves on the ground. Over time, though they found yellow geckos in the same population. Three students were talking about why there were yellow geckos. Ciena thought that the change came from a mutation in the population. Tibor thought the change came from the environment. Sasha though that Ciena and Tibor were both right. Who do you agree with and why do you think that?
Answer:
Not going to say this is right but, I think that Tibor is correct because if the land has changed more over time then the yellow ones have adapted to the new living conditions while the green one have found ways to live in that environment.
11. A virus has infected a bacteria and inserted its viral DNA into the DNA of the
bacterial chromosome. This inserted viral DNA is known as what?
A. vNa
B . vDNA
C. Prophage
D. Provirus
Answer:
I would have to say the answer is provirus
Explanation:
15. Briefly explain how the gel (or DNA fingerprint) is made after DNA has been amplified.
Answer:
Like the fingerprints that came into use by detectives and police labs during the 1930s, each person has a unique DNA fingerprint. Unlike a conventional fingerprint that occurs only on the fingertips and can be altered by surgery, a DNA fingerprint is the same for every cell, tissue, and organ of a person. It cannot be altered by any known treatment. Consequently, DNA fingerprinting is rapidly becoming the primary method for identifying and distinguishing among individual human beings. DNA fingerprints are also useful in several applications of human health care research and for diagnosis of inherited disorders. DNA fingerprinting is often used in the justice system to link suspects to biological evidence and solve paternity cases.
Explanation:
DNA sample: A DNA sample that will be examined must first be gathered. DNA extraction: Using the lysis process, DNA is then extracted from the sample.
What is DNA fingerprint?Restrictions endonucleases:The DNA fragment is cut at a particular place by a specific restriction enzyme.
Alec Jeffrey, a British biologist, created the DNA fingerprinting technique in 1984 after noticing that some highly variable DNA sequences, or minisatellites, that are repeated inside genes but do not affect their activities.
In DNA fingerprinting, a gel-like fluid is used to distinguish between DNA molecules that move at various speeds. A DNA molecule that is huge moves slowly, whereas a DNA molecule that is little moves quickly.
Therefore, DNA molecules are divided in gel electrophoresis according to size. When DNA molecules are divided into distinct sizes, bands of DNA are created.
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What type of memory is used for
actions that become automatic?
A. Episodic
B. Semantic
C. Procedural
Answer:
B
Explanation:
Answer:
C. Procedural
Explanation:
The correct answer is C.
If a rock falls and kills 10 individuals from a population of 100 plants of the same species and the frequency of alleles changes, does the population evolve instantly from that stochastic event? Can it be said that Natural Selection is at work in this case? And how does the Synthetic Theory of Evolution help answer this question?
Answer:
Explanation:
This question seeks to test the knowledge of the modern synthetic theory of evolution. This theory describes evolution as the changes occurring in the allele frequency within a population of the same specie. Hence, the following questions derived from the question can be answered as thus
1) Does the population evolve instantly from that stochastic event?
YES. This is because the frequency of the allele changed.
2) Can it be said that Natural Selection is at work in this case?
YES. The synthetic theory of evolution derives great "evidence" from natural selection because the allele frequency is believed to have changed because of the environmental impact (the rock) and that the next generation will adapt better to such an environment.
3) How does the Synthetic Theory of Evolution help answer this question?
Previously, evolution was believed to occur over several generation which ultimately lead to some phenotypic changes as a result of adaptive changes in the genes. This old description of evolution would have made one arrive at a wrong answer if one does not consider the modern synthetic theory of evolution which talks about instant evolution from allele frequency (as was described in the question).
What is the characteristics of Order - Carnivora?
Answer:
Characteristics commonly associated with carnivora include strength, speed, and keen senses for hunting, as well as teeth and claws for capturing and tearing prey
Answer:
Carnivora are a group of carnivorous mammals like wolves, hyenas and lions
Explanation: