24. What is evidence for the endosymbiotic theory? (a) rna can catalyze metabolic reactions. (b) meteorites contain organic molecules. (c) amino acids can be synthesized from inorganic compounds.
Draw the basic structure of a nucleotide with its three parts.
Answer: This picture has the answer
Explanation:
The nucleotides which are found in the DNA molecule are made up of nucleoside moieties and phosphate molecule. These are of five types which include adenosine, guanosine, uracil, thymine, and cytosine.
What is a nucleotide?Nucleotides are the organic molecules which consist of a nucleoside and a phosphate moiety. The nucleotide molecules serve as the monomeric units of the nucleic acid polymers such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are the essential biomolecules within all life forms on the Earth.
A nucleotide is one of the main structural components, or the building blocks, of DNA and RNA molecules. A nucleotide consists of a base which has one of four nitrogenous base which could be purine and pyrimidine such as adenine, thymine, guanine, and cytosine plus a molecule of sugar and one molecule of phosphoric acid.
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What phase of mitosis is pictured below?
Answer:
Its a Anaphase
because the chromatids of each chromosomes have separated and are moving towards the poles
Which statement about biochemical reactions is false?
The statement that is false is that they can create new energy during the reaction. The correct option is a.
What is biochemical reaction?Biochemical reactions are chemical processes that occur in live cells to support life and promote cell growth.
To expedite most biochemical reactions, an enzyme is a type of biological catalyst.
The amount of activation energy required for the reaction to start is decreased by enzymes. Most enzymes are proteins that only interact with one particular chemical, known as their substrate.
The ratio of atoms in the reactants and products must always be balanced.
They have the capacity to store energy as a covalent bond. They have the ability to alter the cell's energy's shape. They follow the laws of physics and chemistry.
Thus, the correct option is a.
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Your question seems incomplete, the missing options are:
a. They can create new energy during the reaction.
b. They must always balance the number of atoms in the reactants
and the products.
c. They can store energy in the form of a covalent bond.
d. They can change the form of energy found in the cell.
e. They obey the rules of chemistry and physics.
What happens to the states of matter when the temperature changes
They may either release heat or gain heat. With a temperature increase, the kinetic energy increases and the state of matter will increase (example, ice to water aka solid to liquid)
If the temperature decreases, then the kinetic energy decreases and the state of matter will decrease (example, water vapor to water aka gas to liquid)
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- Heather
what is an important function of the urinary system?
Answer:
the kidneys are the most important function of the urinary system
Explanation:
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pls and ty
<3 anmol
How long is the interval between high tides in Boston?
Answer:
High tides occur 12 hours and 25 minutes apart.
Explanation:
which best describes the sex chromosomes
sex chromosomes are the chromosomes which describe sex of an individual
female have teo X chromosomes and male have one X and one Y chromosome
What happens when an action potential is produced with a signal that is stronger than threshold?
A)
weaker action potential generated
B)
no action potential generated
C)
action potential has same strength as threshold
D)
stronger action potential generated
Answer:
C) action potential has same strength as threshold
Explanation:
What happens when an action potential is produced with a signal that is stronger than threshold action potential has same strength as threshold
When an action potential is produced with a signal that is stronger than the threshold, the resulting action potential is typically stronger or more intense compared to a standard action potential. The answer is D) Stronger action potential generated.
The threshold is the minimum level of depolarization required to initiate an action potential in a neuron. If the signal surpasses the threshold, it means that the depolarization is greater than what is necessary to trigger the action potential.
When a stronger signal is received by the neuron, it results in a larger influx of ions (such as sodium) into the neuron, leading to a more pronounced depolarization of the cell membrane.
As a result, the action potential generated will have a higher amplitude or voltage compared to a regular action potential. Therefore, the answer is D) Stronger action potential generated.
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What is photorespiration.
The anterior rami of spinal nerves ______ are called intercostal nerves because they travel in the intercostal space sandwiched between ______.
Answer: T1-T11; two adjacent ribs
Explanation:
The anterior rami of spinal nerves T₁ - T₁₁ are called intercostal nerves because they travel in the intercostal space sandwiched between two adjacent ribs.
What are the rami of spinal nerves?A typical spinal nerve typically branches out into rami as soon as it exits the intervertebral foramen.The smallest of the two main branches is the posterior (dorsal) ramus. It innervates the skin of the back as well as the deep muscles of the back, such as the transversospinalis and erector spinae. The bigger of the two main branches is the anterior (ventral) ramus. The anterior ramus divides into numerous additional branches that innervate the upper limbs, lower limbs, and anterior and lateral regions of the trunk. Numerous anterior rami develop into nerve plexuses.Learn more about rami of spinal nerves here:
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What is the term for the breakdown of glucose in the presence of oxygen?
anaerobic
cellular respiration
fermentation
photosynthesis
Answer:
Cellular respiration
Explanation:
Cellular respiration involves the breakdown of glucose using oxygen to produce energy, or ATP, that is used by the cell
________happens in the mitochondrial membrane and is where hydrogen ions are
pumped through to create ATP
O glycolysis
Okreb's cycle
O light reactions
electron transport chain
Explanation: Electron transport chain
How are hydrogen ions pumped across the membrane?
Image result for what is used to make the mitochondrial membrane and is where hydrogen ions are pumped through to create ATP
During electron transport, energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space. A chemiosmotic gradient causes hydrogen ions to flow back across the mitochondrial membrane into the matrix, through ATP synthase, producing ATP.
First To Answer Correctly, Gets Brainliest!!!! Connective tissue is present in bones, and blank, muscle tissue makes up muscle, nerve tissue transmits blank and forms nerves, and blank tissue lines organs and covers the body.
Answer:
what
Explanation:
Answer: uh I'm going to say B).
Explanation: Hope this helps? .-.
Why do you think that you had to use a thin layer of onion skin, rather than a thick layer for the microscope?
Answer:
Because the thin layer will have more bacteria on it since its on the outside
Explanation:
a dna segment has base order agc tta tcg. which copy exhibits a frameshift mutation through deletion?
Answer:
1. The sequence AGC TTT CG suffered a deletion of the Adenine (A) base at the second codon
Explanation:
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How does a mutating virus impact vaccinations? What would happen to the effectiveness of the current vaccination if a mutation in the virus caused the protein spike to change?
A vaccine is a medical product. Vaccines, though they are designed to protect from disease, can cause side effects, just as any medication can. When a virus is widely circulating in a population and causing many infections, the likelihood of the virus mutating increases. The more opportunities a virus has to spread, the more it replicates – and the more opportunities it has to undergo changes. Most viral mutations have little to no impact on the virus’s ability to cause infections and disease.
Your friend wants to have her DNA tested because she thinks it will help her identify what foods she should eat. What is your advice to her
Answer:
IT WANT IT JUST SSY YOUR BLOOD TYPE
intermediary molecules that accept electrons and transfer them to another molecule are called
Predict how many different mRNA sequences could code for the following amino acid sequence plus a stop codon: Met-Trp-Cys-(Stop).
Answer: 6
Explanation:
This is because the Met and Trp are coded by one codon, Cys is coded by two different codons, and Stop is encoded by three different codons. Therefor, 2x3=6.
How to read a pedigree.
Answer:
Explanation:
One trick for identifying a recessive trait is that if a trait skips a generation in a pedigree, it is often an autosomal recessive trait (although a trait can be autosomal recessive and not skip generations). These traits appear with equal frequency in both sexes.
Almost end of semester, HELP!!
Specialized structures are expressed with the help of mRNA. What role does mRNA play? (5B)
Assisting with replication by producing glucose
Creating bonds to form large polymers
Providing information from DNA that is used to form proteins
Making energy available for cellular activities
Answer:
The answer is C Providing information from DNA that is used to form proteins
Explanation:
i took the test
The statement that demonstrates the role that mRNA play in protein synthesis is as follows:
It provides information from DNA that is used to form proteins.Thus, the correct option for this question is C.
What is Protein synthesis?Protein synthesis may be defined as a type of biological process through which polypeptide chains are formed from coded combinations of single amino acids inside the cell. The process of protein synthesis terminates with the help of two processes:
Transcription.Translation.The process of transcription involves the copying of a DNA sequence of a gene in order to make an RNA molecule. This RNA molecule is known as mRNA which determines the linkage of DNA from the manufacturing of the proteins. This process is carried out in the nucleus of the cell.
While the process of translation involves the synthesis of proteins using the genetic information carried in messenger RNA (mRNA). This process is carried out in the cytoplasm of the cell.
Therefore, the correct option for this question is C.
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A planee is flying at a speed of 250 miles per hour. How long does it take to fly 250 (show steps)
it's 1 hour
lord have mercy. another genshin player
explanation: divide the distance traveled by the rate of speed. since the distance traveled and the rate of speed are both stated in the same units of measurement, there's no unit conversion needed. so, you can just convert the miles per hour to miles per second, and then convert the total seconds to the hours/minutes or whatever
Which of the following statements is TRUE?
Carpal tunnel syndrome occurs when the ulnar nerve is compressed.
Carpal tunnel syndrome occurs when the facial nerve is irritated or swollen.
*Carpal tunnel syndrome occurs when the median nerve is compressed.
Carpal tunnel syndrome occurs when the 7th cranial nerve is irritated or swollen.
Answer:
c. Carpal tunnel syndrome occurs when the median nerve is compressed.
Explanation: is correct
Carpal tunnel syndrome occurs when the median nerve is compressed.
What is Carpal tunnel syndrome?When the median nerve, which travels from the forearm into the palm of the hand, is pinched or compressed at the wrist, carpal tunnel syndrome (CTS) develops. The median nerve and the tendons that bend the fingers are housed in the carpal tunnel, a small, stiff passageway made of ligament and bones at the base of the hand. The index, middle, and part of the ring fingers, as well as the palm side of the thumb, are all sensed by the median nerve (although not the little finger). The tunnel can occasionally become smaller and the median nerve can become compressed due to edema or thickening caused by inflamed tendon lining. As a result, the hand and wrist may experience numbness, weakness, or even pain (some people may feel pain in the forearm and arm). The most prevalent and well-known entrapment neuropathy, in which a peripheral nerve of the body is pushed against or crushed, is CTS.To learn more about Carpal tunnel syndrome, refer to
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If You Had Three Wishes, What Would You Wish For?
For my first wish i would wish to have endless wishes then i will wish whatever i want
Answer:
Both we have the same idea. I also have thought about that before. lol
Answer:
total freedom, Be 21 forever(lol) and thats it
Explanation:
Mrs. W. is 68 years old and lives alone. She moves very slowly and does not respond verbally to what others say. She sometimes mumbles to herself. Her face is expressionless. She seems confused by her surroundings. She is accompanied by her daughter, who is highly observant and an accurate reporter of Mrs. W.’s past medical and psychosocial history. What possible Noncognitive Disorders could Mrs. W have?
The non-cognitive disturbances that Mrs. W. could have related to some dementia are psychosis, personality change, lack of rhythm, deficit in emotional responses, mental confusion.
It is important that the patient in these conditions is continuously assisted, to avoid situations that put her safety at risk.
An elderly woman like Mrs. W, who already has significant evolution of non-cognitive disorders, must have an effective medical apparatus and a tutor willing to help with care and daily activities.
Ideally, caregivers should develop optimal communication skills for patients with these disorders, such as a calm and gentle tone, provide the individual with a peaceful environment without too much noise or other disturbances, as well as being considerate and not neglecting the individual's needs.
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how is metaphase produced?
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell. ... As metaphase continues, the cells partition into the two daughter cells.
which of these are the repeating units that form DNA molecules?
a. fatty acids
b.nucleotides
c.amino acids
d.chromosomes
Answer:
d.chromosomes
Explanation:
A chromosome is a long DNA molecule with part or all of the genetic material of an organism. Most eukaryotic chromosomes include packaging proteins called histones which, aided by chaperone proteins, bind to and condense the DNA molecule to maintain its integrity. These chromosomes display a complex three-dimensional structure, which plays a significant role in transcriptional regulation
Which of the following nerves is responsible for your sense of smell?
Answer:
d. Olfactory nerve
Explanation: is correct
Answer:
D) Olfactory nerve
Explanation:
The olfactory nerve is the first cranial nerve (CN I). It is a sensory nerve that functions for the sense of smell.
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Which statements accurately describe the pharmacokinetic parameters of oral conjugated equine estrogens (CEEs)
The parameters are near complete absorption, high protein binding, and high distribution, extensive metabolization of tamsulosin, and exit of the substance through the urine, as shown in options 1,3,4, and 5.
We can arrive at this answer because:
Oral conjugated equine estrogens are medications taken orally when prescribed by a qualified practitioner.These medications are made with a mixture of several types of estrogens that resemble each other in some way.They are widely used to treat osteoporosis and other common problems in women.One of the main characteristics and advantages of this type of medicine is that its excesses are eliminated in the urine. In addition, they are easily absorbed by the body, are highly distributed, easily bind to proteins, and are easily metabolized.
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