Answer:
hydrolysis
Explanation:
hydrolysis is the reverse of dehydration because it breaks a covenant bond by adding a water molecule
hope this was helpful ☆☆
In translation, the dehydration synthesis reaction is catalyzed by DNA polymerase enzyme. Therefore, the correct option is B.
What is DNA polymerase?DNA polymerases are a group of enzymes that are responsible for catalyzing the synthesis of DNA. Their main function is to replicate the DNA. These enzymes work in pairs and a responsible for replicating two strands of DNA in a tandem. DNA polymerases α and δ are primarily responsible for nuclear DNA replication. There are at least 15 DNA polymerases known to exist in humans.
Translation is the process by which the genetic code carried by mRNA is decoded to produce a specific sequence of amino acids that will form a protein. This process involves the ribosome, which is responsible for assembling the protein chain by joining amino acids in a specific order dictated by the mRNA sequence. Therefore, the correct option is B.
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The question is incomplete, but most probably the complete question is,
In translation, the dehydration synthesis reaction is catalyzed by which enzyme?
A. Ribosome
B. DNA polymerase
C. Peptide
D. RNA polymerase
E. Ligase
F. Topoisomerase
the heart of an embryo starts to pump blood by the ________.
Answer:
fourth week of pregnancy
Explanation:
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What is Darwin's theory called?
Describe the basic ideas behind his theory.
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Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin's specific view that evolution is driven mainly by natural selection.
WILL GIVE BRAINLIEST AND 20 POINTS!!! What in the plant cell makes photosynthesis work?
Answer:
photosynthesis works in the chloroplasts
Explanation:
Answer:
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.
in the process of genetic profiling/dna fingerprinting, what is compared between two people/samples?
Answer:
"DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect. If the two DNA profiles are a match, then the evidence came from that suspect." information from a website so reword it a bit and you should be ok.
In the process of genetic profiling/ data fingerprinting, genetic profiling is a process that can be compared between two people/samples.
What is genetic profiling?DNA profiling compares only the most variable sections of DNA, which has an advantage over whole genome sequencing when seeking to identify genetic changes between two individuals.
In the field of biology known as comparative genomics, genome sequences from various species—including humans, mice, and a broad variety of other organisms—from bacteria to chimpanzees are compared.
"DNA fingerprinting is a lab method used to connect biological evidence to a defendant in a criminal investigation. A DNA sample from a suspect is compared to one acquired from a crime scene. The evidence originated from that suspect if the two DNA profiles match.
Therefore, genetic profiling is compared between two people/samples.
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What percentage of body weight must be lost due to dehydration before delirium, exhaustion, and collapse occur
Answer:
7-10 percent of body weight must be lost due to dehydration before delirium, exhaustion, and collapse occur.
Explanation:
Hope this helps!
according to the fossil record, how long ago do scientists believe life on earth first appeared?
Answer:
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
Explanation:
Meiosis is the process that produces haploid gametes from diploid cells in the gonads. As a diploid cell progresses through the stages of meiosis I and meiosis II, at what point do the cells first become haploid
Answer:
A
Explanation:
Meiosis occurs in two phases. Meiosis I is the reductive phase, while meiosis II is non-reductive. The point at which the cells first become haploid is at the end of meiosis I, after homologous chromosomes separate.
-----------------------------------------------------
Through Meiosis, a diploid cell (2n) produces four haploid daughter cells (n).
After DNA replication there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.1. In the first phase, Meiosis I:
Prophase I: Chromosomes condensate and become visible. Occurs crossing-over between homologous chromosomes. Crossin-over makes the daughter cells to be genetically different from the original one. Metaphase I: Homologous chromosomes randomly align in the equatorial plane. Anaphase I: In this phase occurs the division and independent separation of homologous pairs. Each chromosome migrates to different poles. This separation generates different chromosomal combinations in the daughter cells.Telophase I: Chromosomes of homologous pairs are already in the corresponding poles, and the nuclear membrane forms again in each pole.
Cytokinesis occurs
2. In the second phase, Meiosis II:
Prophase II: Chromosomes condensate again and become visible. Metaphase II: Chromosomes join the spindle apparatus and migrate to the equatorial plane, where they randomly line up. Sister chromatids are holden together until they reach the Anaphase. Anaphase II: Centromeres divide, chromatids get separated, and each of them goes forward an opposite cellular pole. Telophase II: Once in the poles, the chromosomes become lax again, and the nuclear membrane forms again.Cytokinesis occurs.
To answer this question, focus your attention on Meiosis I. During the anaphase homologous chromosomes separate. After this point, the nuclear membrane forms in the telophase, followed by cytokinesis. The result is two haploid cells.
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What are 2 non-example of potential energy ?
Answer:
Anything that is currently moving or giving off energy such as heat, light, or magnetism would be kinetic energy instead.
Explanation:
Things like objects on top of hills, unused batteries, chemicals that haven't been mixed, would all be examples of potential energy. Even steam is an example of potential energy since it has changed to a higher energy state. But as soon as steam does something, causes an injury (scalding), or starts to turn back into water, then it is kinetic energy.
Of course, to blur the lines a bit, something can have both forms of energy at the same time. If you push a cart down a hill, the movement is the kinetic energy, but until it reaches the bottom, then it also has potential energy in the form of gravity.
Kinetic energy and thermal energy are two non-examples of potential energy as they are forms of energy related to motion and particle movement, respectively, rather than stored energy.
Kinetic energy is not an example of potential energy as it is the energy of an object in motion, while thermal energy is also related to the random motion and vibrations of particles rather than stored energy based on position or configuration.
Kinetic Energy: Kinetic energy is the energy possessed by an object due to its motion
Unlike potential energy, which is associated with stored energy, kinetic energy relates to the motion and velocity of an object.For example, a moving car or a ball thrown in the air have kinetic energy.Thermal Energy: Thermal energy is the energy associated with the random motion of particles within a substance.
It is not a form of potential energy because it does not involve the stored energy of an object due to its position or condition. Instead, thermal energy is related to the average kinetic energy of particles within a system, determining its temperature.Thus, kinetic and potential energy are examples of non-potential energy.
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During photosynthesis, from where does the energy for converting carbon dioxide into sugar come?
Answer:
Solar energy is converted to chemical energy in the photosynthesis process, which converts water and carbon dioxide to glucose.
Explanation:
Hope this helps!
During photosynthesis, the energy for converting carbon dioxide into sugar comes from the sun, it is solar energy.
What is photosynthesis?Photosynthesis, the method used by plants and other autotrophic organisms to make food, converts carbon dioxide into glucose and oxygen, both of which are vital for life.
Photosynthesis in plants uses the green pigment chlorophyll and produces oxygen as a byproduct. Plants use their leaves to trap light energy during photosynthesis.
Plants use the sun's energy to convert water and carbon dioxide into glucose, a sugar. Plants use glucose for energy and to generate other compounds such as cellulose and starch.
Therefore, the energy used to convert carbon dioxide into sugar comes from the sun during photosynthesis; this is known as solar energy.
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Specialized cells that communicate with each other through electrical and chemical signals are called:
Answer:
neurons
Explanation:
Which of these choices is a benefit of the Endangered Species Act?
A. Can prohibit removal of dangerous animals
B. Can interfere with economic progress
C. Can cost a lot of money to enforce
O D. Can save species from extinction
Answer:
D. Can save species from extinction
Explanation:
As saving species from extinction is what Endangered Species Act would want as endangered means that the animal is close to dying and is in danger of being there no longer
Benefits of the Endangered Species Act can prevent the extinction of certain species. So, the correct option is D.
What is Endangered species Act?One of America's most important and effective environmental legislation is the Endangered Species Act. It shows that Americans are willing to cooperate in order to preserve and safeguard the species that are most in danger of going extinct for good.
For landowners, government organisations, and concerned citizens, the legislation offers reasonable, well-balanced options for preserving endangered wildlife and its ecosystems. There are three crucial components in it:
1. Preventing harm or extinction of the listed species
2. Creating strategies to reestablish healthy populations
3. Protecting habitat, which is crucial to the survival of these species.
Therefore, the correct option is D.
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Females have the chromosomes XY.
True
False
Answer:
False
Explanation:
The X chromosome is one of two sex chromosomes. Humans and most mammals have two sex chromosomes, the X and Y. Females have two X chromosomes in their cells, while males have X and Y chromosomes in their cells
(Hope this helps can I pls have brainlist (crown)☺️
Answer:
false
Explanation:
female have XX
One antibody type has thousands of antigen receptors on its cell surface. How many types of antigens will typically fit these receptors
Answer:
one
Explanation:
a movement away from the midline of the body is termed
Answer:
A movement of a body part away from the midline, either of the body as a whole or that of the hand or foot, is termed abduction (L., to carry away). A movement of the body part back toward the midline (i.e., to the anatomical position) is known as adduction.
Explanation:
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Abduction is a movement away from the body's midline. Abduction is the term for a bodily part's lateral movement away from the body's midline.
Thus, body parts are divided or spread apart in this process. Abduction of the arms, for instance, occurs when you raise your arms from a resting posture and spread them out to the sides. Similar to this, you are practicing leg abduction when you stretch your legs apart.
Adduction, or the movement in the direction of the midline, is the reverse of this action. Important terminology like abduction and adduction are used to describe movement in respect to the body's midline in anatomical and physiological descriptions.
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Damage to the capillaries throughout the body can directly cause which problem?
A
Inability of the body to absorb nutrients from food
B
Inability of the body to send oxygen to tissues
C
Inability of the body to release food energy
D
Inability of the body to receive information from the legs
.
Answer:
B. Inability of the body to send oxygen to tussues
fast helpppppp
Which characteristic of living organisms is responsible for the production of oxygen in the leaf of a plant exposed to sunlight?
A. excretion
B. movement
C. nutrition
D. respiration
Answer:
Nutrition
Explanation:
glycolysis begins with _________ and ends with __________.
Answer:
Glycolysis starts with one molecule of glucose and ends with two pyruvate (pyruvic acid) molecules, a total of four ATP molecules, and two molecules of NADH.
Explanation:
Answer:
1 glucose molecule
2 pyruvic acid molecules
Explanation:
Glycolysis starts with 1 glucose molecule, which undergoes 4 stages until it splits into 2 pyruvic acid molecules. The products of this biochemical pathway include 2 NADH and 2 ATP molecules
What happens to the genetic material before the cell divides
Because each chromosome is made from a single molecule of 'DNA', before a cell divides itself, it had to replicate and copy its DNA. This makes it so that after cell division, each new cell holds an exact copy of the genetic material from the original cell.
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What is the condition in a male in which the prostate gland enlarges and compresses the urethra, causing bladder, kidney, and urinary problems?
Answer:
b. Prostatic hyperplasia
Explanation:is correct
NEED IT ASAP!!! Which statement about the specific immune response is FALSE?
Clonal selection creates short-lived effector cells to destroy the specific antigen.
Clonal selection produces memory cells that are long-lived and can recognize the antigen in the future.
It takes about two weeks for memory cells to respond to an antigen.
The maximum response from effector cells takes about two weeks after the first time the body has been exposed to an antigen.
Memory cells divide to produce effector cells when they are exposed to their specific antigen.
Answer:
The answer is: Clonal selection produces memory cells that are long-lived and can recognize the antigen in the future.
Explanation:
What is observational classification
Answer:
Three types of observational studies include cohort studies, case-control studies, and cross-sectional studies
A species that is naturally rare or that has been depleted to dangerous levels is known, according to the Endangered Species Act, as a(n) ________ species.
Answer:
vulnerable would be the answer
Currently, there are more than 1,300 species in the US that are either endangered or threatened. Species that are in risk of going extinct include those plants and animals that have become so scarce.
What Endangered Species Act, as a vulnerable species?A species that is endangered is one that is in danger of going extinct. The two main factors that cause a species to become endangered are habitat loss and genetic diversity loss.
Natural occurrences may result in habitat loss. For instance, dinosaurs had their home removed some 65 million years ago.
A species that has been designated as vulnerable by the IUCN is one that is predicted to go extinct unless the conditions that jeopardize its existence and reproduction change.
Therefore, A species that is naturally rare or that has been depleted to dangerous levels is known, according to the Endangered Species Act, as a(n)(vulnerable) species.
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2. What is a gene? ________________________________________________________
3. What is the difference between gametes and body cells? ____________________________________________________________________________
4. Each person’s DNA is unique except for who?________________________________________________________________________
5. How does each gene code for a protein?__________________________________________________________________________________________________________________________________________________
6. Look at the picture of the nucleus, chromosome, and gene and infer what the relationship is of the three things? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Please answer all questions
Answer:
1. generation or birth or gender) is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein.
2: 1. Body cells make up the body of any multicellular organism. On the other hand, a gamete is a sex cell that can either be a sperm or egg cell.
2. Body cells undergo the process of mitosis while gametes undergo a process called meiosis.
3. A body cell contains a complete number of chromosomes and is called a diploid cell while a gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.
3. Identical twins
4. nucleotide triplets
5. A gene is a sequence of nucleotide bases that specifies certain products; RNA or proteins. It is the segment of DNA that holds the information to build and maintain an organism's cell and also pass genetic traits to offspring. Hence, it is the molecular unit of heredity in living organisms.
The DNA is a long double-helical structure that stores the genetic information in our cells. It consists of two long polynucleotide chains composed of the four nucleotides subunits (A, C, G, T).
In order for the long strand of DNA to fit into the cell's nucleus, it is coiled around certain proteins called HISTONES to form Chromatin, which undergoes further coiling and organization to to linear CHROMOSOMES.
The chromosomes are structured within the nucleus, that are made up of the cell's genetic material (DNA). In eukaryotic cells, the nucleus houses the cell's DNA and directs protein synthesis (expression of the information encoded by genes).
Explanation:
Which theme is reinforced in the excerpt below from Shakespeare's Hamlet?
Rightly to be great
Is not to stir without great argument,
But greatly to find quarrel in a straw
When honor's at the stake. How stand I, then,
That have a father kill'd, a mother stain'd,
Excitements of my reason and my blood,
And let all sleep[?]
Answer:
To quote another answer I seen from this same question "I would say that the theme which is reinforced in this excerpt is impossibility of certainty - Hamlet is uncertain what he should do next, and he expresses that uncertainty in this soliloquy. "
Explanation:
Hope this helps :)
Answer:
complexity of action
Explanation:
The place where a group of organisms lives is called the ___________. The combination of the community and habitat is called the ___________.
Answer:
the first blank is biodiversity. I think like that
The place where a group of organisms lives is called the habitat. The combination of the community and habitat is called the ecosystem.
What is habitat and ecosystem?An ecosystem is basically the neighborhood where animal lives. The habitat is the animal's address in that neighborhood. Some animals can survive in more than one habitat. Other animals are limited to certain habitats. For example, moose habitat is more specific than gray squirrel habit.
Moreover, ecosystem is defined as the interrelationships between the biotic and abiotic component of the environment. Whereas habitat is defined as the natural environment in which a particular species of plants and animals lives.
Therefore, a habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce.
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which molecules bind regulatory sequences of dna to encourage positive regulation of transcription?
the blood pressure in the large systemic arteries is greatest during:
Answer:
when blood is pumped out of the heart into the arteries.
Explanation:
Hope its help you!!
Taq polymerase:
A. is denatured at temperatures above the normal human body temperature.
B. is produced in viruses and bacteria.
C. can remove the mineral deposits from rusting pipes.
D. can break down the sludge in oil refinery tanks.
Answer:
Taq polymerase is a thermostable DNA polymerase I named after the thermophilic eubacterial microorganism Thermus aquaticus, from which it was originally isolated by Chien et al .The function of Taq DNA polymerase in PCR is to amplify or synthesize DNA or gene of interest for various downstream applications. It's a type of thermostable DNA polymerase, work at a higher temperature as well. so its A
What are some functions of the foot in rotifers? (Choose all that apply)
to propel itself through its environment
to aid in defense against predators
to assist in the digestion of food
to attach itself to a variety of structures
Answer:
to propel itself through its environment and to attach itself to a variety of structures
Explanation:
I took the quiz(-.-)
Rotifers foot is transformed into a variety of structure for moving and swimming and attach itself to a different structure, hence option d is correct.
What are rotifers?Some rotifers are really planktonic and free-swimming, while others travel around a substrate via inchworming, and some are sessile and reside inside tubes or gelatinous holdfasts.
About 25 species are sessile or planktonic, colonial (such as Sinantherina semibullata), and some rotifer species have evolved four moveable toes that are equipped with pedal glands to facilitate swimming and crawling.
Rotifers swiftly colonize new environments and transform primary production (algae and cyanobacteria) into a form that is secondary consumers.
Therefore foot of the rotifers is changed into a different structure for movement is attach itself to a variety of structures, hence option d is correct.
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3. The presence of starch can be tested by using
iodine test
We can test for starch with the help of an iodine test. Soak any food items, namely potato, in drops of iodine for some time. If it turns blue-black afterwards, it contains starch. The liquid used for testing starch is an iodine solution.