Answer:
When one DNA molecule is copied to make two DNA molecules, each new DNA contains 100% of the parent DNA. DNA replication uses each strand of a DNA molecule as a template for the creation of a new strand.
Explanation:
which of the following statements is correct? meiosis involves two divisions and produces four nonidentical daughter nuclei meiosis involves one division and produces two nonidentical daughter nuclei mitosis involves one division and produces two nonidentical daughter nuclei mitosis involves two divisions and produces four identical daughter nuclei
The correct statement is: Meiosis involves two divisions and produces four nonidentical daughter nuclei.
Meiosis is a specialized type of cell division that occurs in sexually reproducing organisms. It involves two consecutive divisions, known as meiosis I and meiosis II, resulting in the production of four daughter cells called gametes.
The purpose of meiosis is to generate genetic diversity and reduce the chromosome number by half.
During meiosis I, the homologous pairs of chromosomes align and exchange genetic material in a process called crossing over. This results in the shuffling and recombination of genetic information between homologous chromosomes.
The pairs of homologous chromosomes then separate, with each daughter cell receiving one chromosome from each pair.
Meiosis II is similar to mitosis, where the sister chromatids of each chromosome separate, resulting in the formation of four haploid daughter cells.
These daughter cells are genetically nonidentical due to the crossing over and independent assortment of chromosomes during meiosis I.
In contrast, mitosis involves one division and produces two identical daughter nuclei. It is responsible for growth, repair, and asexual reproduction, where the daughter cells inherit an identical copy of the genetic material from the parent cell.
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Forensic investigator Adams is working on a crime scene involving the use of a very rare explosive. She already knows that she needs to find out who set the explosive. Following the scientific method what would be her next step in solving this mystery?
Form a hypothesis about the person who bought the explosive
Conclude that the homeowner set the explosive
Collect some data about the distribution of the explosive
Hand over her work to the police so that they can make an arrest
Answer:
I don't know the answer but this was on my quiz and I downloaded sorcatic and it brought me to the first link and app that contains the answer if u need help finding the app let me know hope I helped
Answer:
Collect some data about the distribution of the explosive.
Explanation:
Following 9.06's Scientific Method Lab, we can see that what Adams has done is ask a question: who set the explosive?
The next step of the scientific method would be conducting research, followed then by forming a hypothesis. So the answer is collect some data about the distribution of the explosive, as that falls under conducting research.
(I'm literally taking the test right now, so if it's wrong, then bleh. I tried.)
An extra chromosome is known as a trisomy and one less chromosome is known as a monosomy. Why are these good words for a disorder with extra or missing chromosomes (look at the root words)?
Answer:
prefix meaning for "mono" means "one and "tri" means three
These are good words for a disorder missing a chromosome (mono) or having an extra (tri) since it is litterally telling you it either has 3 or 1 chromosome
plzz help mark brainiest 10 points
Answer:
B
Explanation:
Sunrise you will see a full moon
29 pt and brainlyyyyyy
Answer:
vision, a
Explanation:
occipital lobe controls eyes
What is the frequency of a 6.43 x 10^-5 m wave?
Answer:2
Explanation:
Frequency is defined as repetitive occurrences per unit of time. The frequency of a 6.43 x 10⁻⁵ m wave is 4.67 × 10 ¹³ hertz.
What is the frequency?Frequency is given as the ratio of the wave speed (c) to the wavelength (λ).
υ = c ÷ λ
Given,
Speed of light (c) = 3.00 x 10⁸ m/s
Wavelength (λ) = 6.43 x 10⁻⁵ m
Substituting the values above,
υ = 3.00 x 10⁸m/s ÷ 6.43 x 10⁻⁵ m
= 4.67 × 10 ¹³ per sec
Therefore, 4.67 × 10 ¹³ Hz is the frequency.
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Can y’all please help me !
Answer:The first is A. the 3rd one is B.
Explanation:
What are the five layers of the atmosphere in order from bottom to top?
Exosphere, Stratosphere. Thermosphere, Mesosphere. Troposphere
Troposphere, Stratosphere, Mesosphere. Thermosphere, Exosphere
Stratosphere, Thermosphere, Mesosphere, Troposphere, Exosphere
Answer:
The atmospheric layers start from the ground level of the earth and rise up to a certain height according to its temperature, pressure, composition, and other properties. From the ground level they are:
Troposphere:- (0 -12 km) or (0 to 7 miles)
Stratosphere:- (12 -50 km) or (7 to 31 miles)
Mesosphere:- (50 -80 km) or (31 to 50 miles)
Thermosphere:- (80 -700 km) or (50 to 440 miles)
Exosphere:- (700 -10000 km) or (440 to 6200 miles)
Explanation:
Answer:
this is the answer
Explanation:
click on the graphic below until the correct answer appears.
which applies to a real machine?
work output/work input < 1
work output/work input = 1
work input/work output = 1
work input/work output < 1
Answer:
work output/work input < 1
Explanation:
I found it on Quizlet and when I completed the assignment, it showed I got it right. Have a good day!
In your opinion, what are the Pros (benefits) of knowing if I had a genetic disorder, or high likelihood of developing it and what are the Cons (drawbacks) of knowing??
Answer:
It offers insight: With genetic testing, “we’re targeting the coding part of the gene that is relevant to your particular disease,” Aatre says. That, she notes, involves reading a DNA sequence from start to finish to see if there are any “interruptions/disruptions” — mutations associated with the disease in question — that stop the gene from making normal proteins.
Testing can be costly: The price of genetic testing ranges from a few hundred dollars to several thousand dollars. “They’re cheaper than they used to be but are still very expensive,” Aatre says. Still, insurance typically covers such tests for newborns and expectant mothers, as well as patients with a documented personal or family history or a physician’s recommendation.
Explanation:
one pro one com mark me brainlest
Protein translocation differs from protein secretion in that __________.
a. translocation refers to movement from the cytoplasm to or across the plasma membrane, whereas secretion refers to movement of the protein to the exterior of the cell
b. translocation refers to movement of the protein to the exterior of the cell, whereas secretion refers to movement from the cytoplasm to or across the plasma membrane
c. translocation refers to movement from one side of the cell to the other, whereas secretion refers to movement across the LPS layer
d. translocation refers to movement of proteins in Gram-positive bacteria, whereas secretion refers to movement of proteins in Gram-negative bacteria
Protein translocation differs from protein secretion in that Translocation refers to movement from the cytoplasm to or across the plasma membrane, whereas secretion refers to movement of the protein to the exterior of the cell. (Option a)
Protein translocation and protein secretion are two different processes that involve the movement of proteins within or across cellular membranes.
Protein translocation refers to the movement of proteins from the cytoplasm to a specific location within the cell or across the plasma membrane. It can involve the insertion of proteins into the endoplasmic reticulum (ER) membrane, transport into mitochondria or chloroplasts, or movement across other organelle membranes. Translocation typically occurs during protein synthesis and involves the guidance of signal sequences that direct the protein to the appropriate destination.
On the other hand, protein secretion refers to the movement of proteins from the cytoplasm to the exterior of the cell. This process involves the transport of proteins through the endoplasmic reticulum, Golgi apparatus, and secretory vesicles, eventually releasing the proteins outside the cell. Protein secretion is important for the release of various molecules such as hormones, enzymes, and antibodies into the extracellular space.
Therefore, option a. accurately describes the difference between protein translocation and protein secretion, where translocation refers to movement from the cytoplasm to or across the plasma membrane, while secretion refers to movement of the protein to the exterior of the cell.
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what are 3 variations of peppered moths?
Answer:
Biston betularia f. typica, the white-bodied peppered moth.
Typica and carbonaria morphs on the same tree. ...
Creationists have disputed the occurrence or significance of the melanic carbonaria morph increasing in frequency
human speech consists of a series of sounds called ____, roughly corresponding to the sounds of each letter of the alphabet
Human speech consists of a series of sounds called phonemes, roughly corresponding to the sounds of each letter of the alphabet.
Human speech consists of a series of sounds called phonemes, roughly corresponding to the sounds of each letter of the alphabet. Phonemes are the smallest unit of sound that can change the meaning of a word. For example, the difference between "cat" and "bat" is the sound of the first letter, which represents the phoneme /k/ or /b/.There are approximately 44 phonemes in English, although the exact number can vary depending on the dialect or accent. These phonemes can be combined to form syllables, words, and sentences, allowing humans to communicate complex ideas with one another. The English alphabet, which has 26 letters, represents some but not all of the phonemes found in the language. Some letters, such as "c," "q," and "x," can represent multiple phonemes depending on the word they are used in. Other sounds, such as the glottal stop (represented by the symbol /ʔ/), do not have a corresponding letter in the English alphabet. Humans have been using speech as a means of communication for thousands of years, and the development of the alphabet has allowed for a standardized way of representing the sounds of human language.
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What is the correct term for developing
baby 1 week after fertilisation whe the
organ system are starting to develop?
Answer:
please give me brainlist and follow
Explanation:
Following fertilization the embryonic stage of development continues until the end of the 10th week (gestational age) (8th week fertilization age). The first two weeks from fertilization is also referred to as the germinal stage or preembryonic stage.
Answer:
Embryo
Explanation:
When its organ systems start to develop, it's called the embryonic period. Hence, the correct term will be embryo.
hope this helps and is right. p.s i really need brainliest :)
if my answer is wrong then I am incredibly sorry!
1 point
7.A tree has organs that carry out specific functions needed for survival.
What function do the tree's leaves carry out? *
A)act as reproductive structures
B)capture sunlight to make food
C)take in dissolved minerals
D)anchor the tree underneath the soil
Answer:
C sorry if im wrong
Explanation:
.
________protects coding sequences at the 5' end of mrna from degradation.
The cap structure or Capping protects coding sequences at the 5' end of mRNA from degradation.
The cap structure refers to a modified nucleotide structure added to the 5' end of eukaryotic mRNA molecules during transcription. It consists of a modified guanine nucleotide (known as the 7-methylguanosine cap) attached to the mRNA via a unique linkage. This cap structure plays several important roles, including protecting the mRNA from degradation by exonucleases.
Exonucleases are enzymes that degrade RNA molecules by cleaving nucleotides from the ends. By adding the cap structure to the 5' end of mRNA, it provides protection by preventing exonucleases from recognizing and degrading the mRNA from this end. Additionally, the cap structure is involved in other processes such as mRNA export from the nucleus, translation initiation, and recognition by the ribosome during protein synthesis.
In summary, the cap structure protects coding sequences at the 5' end of mRNA from degradation by exonucleases and plays crucial roles in mRNA stability and translation.
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The EPA risk cup is a metaphor used to describe aggregate exposure of consumers to pesticides. The magnitude of the risk cup is equivalent to the...
The EPA risk cup is a metaphor used to describe the aggregate exposure of consumers to pesticides. The magnitude of the risk cup is equivalent to the sum of all risks of pesticides that a person may be exposed to. The EPA risk cup is an essential concept in determining the tolerable exposure levels for consumers to pesticides, considering various exposure pathways, and different population subgroups.
EPA (Environmental Protection Agency) sets a limit on the amount of pesticide residue that can remain in or on foods to ensure that it does not pose a risk to human health.The EPA risk cup is defined as the aggregate exposure of pesticides that is safe for human consumption. The risk cup is then used to evaluate whether or not a pesticide is safe to use. If the risk cup is exceeded, the pesticide is considered unsafe. The risk cup is determined by looking at the total amount of pesticides that a person may be exposed to over a certain period of time. This includes exposure from food, water, air, and other sources.
Therefore, the EPA risk cup is a fundamental concept used by regulatory agencies, researchers, and industries to establish the tolerable exposure levels to pesticides that will not cause adverse health effects on consumers. The use of risk assessment in pesticides regulation aims to ensure that exposure to pesticides is safe and within acceptable limits for human consumption.
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Of the 6 carbons in a starting molecule of glucose, at the completion of pyruvate oxidation, _____ carbons are fully oxidized to _____, while _____ carbons remain in _____.
a. Three; pyruvate; three; acetyl groups
b. Two; CO2; four; acetyl groups
c. Four; CO2; two; CoA
d. Two; acetyl groups; four; CO2
e. Four; acetyl groups; two; CO2
Of the 6 carbons in a starting molecule of glucose, at the completion of pyruvate oxidation, four carbons are fully oxidized to CO2, while two carbons remain in acetyl groups.
Option C: Four; CO2; two; CoA is the correct answer. Pyruvate oxidation is the second stage of cellular respiration, a process that breaks down glucose in the presence of oxygen to produce ATP.The process of pyruvate oxidation involves the breakdown of pyruvate (a 3-carbon molecule) into a 2-carbon molecule (acetyl-CoA) that can enter the next stage of cellular respiration, the citric acid cycle. Here, the acetyl-CoA is combined with a molecule of oxaloacetate (a 4-carbon molecule) to form a 6-carbon molecule called citrate.
More than 100 species of bacteria and archaea use pyruvate oxidation as part of their metabolic process.
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How does ovolution lead to both biodiversity and commonalities among
life?
Answer:
Evolution leads to biodiversity by changing the genetic code of organisms. When evolution leads to biodiversoty its called natural selection. It slowly decreases the popluation of organisms that are less adapted to survive in the world, and increas the population of more strong and adaptable organisms.
For example if there is a pink bird and a white bird, the white bird's population will increase due to its adaptation of camoflauge, and the pink bird will die out because it will be spotted by predators easily. Therefore the species of the white bird will become more common
Explanation:
what makes one organism different from any other organism
Answer:
Their DNA.
Explanation:
Our DNA is the blueprint of how we are made. This separates us from other organisms.
Answer:
because of DNA and non similarities inherited by the parent
all gpcrs share a similar structure composed of seven transmembrane helices. true false
The statement given "all gpcrs share a similar structure composed of seven transmembrane helices. " is true because all GPCRs share a similar structure composed of seven transmembrane helices" is true.
GPCRs, or G-protein coupled receptors, are a large family of cell surface receptors that play a crucial role in cellular signaling. These receptors share a common structural characteristic of having seven transmembrane helices, which are alpha-helical segments that span the cell membrane. The seven transmembrane helices are arranged in a bundle-like fashion and create a pocket within the cell membrane where ligands can bind and initiate signaling cascades.
This common structural feature of GPCRs is essential for their function and allows them to interact with intracellular G proteins and transmit signals across the cell membrane.
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A wave has a frequency of 64 Hz and a wavelength of 17 meters. The speed of the wave is
Answer:
1088 ms-¹
Explanation:
Speed of a wave=Frequency of the wave*Wavelength of that wave
V=64*17=1088ms-¹
Read about invasive species. Then answer the questions provided. Wild Parsnip Describe the invasion of wild parsnip, including the harm it causes.
Answer: An invasive species is the one which compete for resources with the native species.
Explanation:
Wild Parsnip is an invasive species of plant in Europe and Asia. It grows on the roadside and the seeds of the plant disperse very easily by wind and water agents. It spreads easily and compete with native species for resources like soil nutrients, water, and others. It produces a chemical that causes rash in the human skin and the human skin becomes sensitive to sunlight resulting in development of blisters and rashes on the skin.
Answer:
came from Europe and Asia
invaded the entire state of Wisconsin
can burn your skin
reproduces rapidly
can be removed at root or with a powered brush cutter for large populations
Explanation:
An individual who is establishing a strategy to use in order to accomplish a goal is demonstrating which phase of the self-regulation
cycle?
O self-reflection
O performance
O forethought
O goal accomplishment
Answer:
Forethought
Explanation: Basically means planning ahead of time in order to know what to do when you are faced in a situation or event that will happen in the future
Answer:
The answer is C. Forethought
Explanation:
3. Compare and contrast the movement produced by each of the three types
Answer:
strike-slip is when the blocks have mostly moved horizontally, normal is when a dip-slip fault in which the block above the fault has moved downward relative to the block below, and thrust is when the hanging wall moves up relative to the footwall.
There are three faults. Normal faults originate from the divergent boundary. Reverse faults originate from the convergent boundary. Strike-slip fault originate from transforming boundary.
What are the three types of fault?We can differenciate three types of faults,
Normal fault ⇒ originate from divergent movementReverse fault ⇒ originate from convergent movementStricke-slip fault ⇒ originate from transforming movementWhat are the boundary types?I. Divergent:
This boundary occurs when two plates separate and molten material rises from the mantle creating a new crust.
The hot material creates a new seabed between the separating plates, expanding the sea bottom.
II. Convergent.
Collision area between two plates. Two oceanic plates might collide, or one oceanic plate with a continental one.
In this last case, the oceanic crust sinks under the continental plate, and magma rises to the surface by crevices.
The thicker and older plate subduces under the other plate.
III. Transforming.
The plates slide laterally with each other, and they are usually called faults.
It is associated, in general, with the oceanic ridge, although it might also occur in the continental plate.
No rocky material is either destroyed or formed.
When the plates move and produce a displacement of one transforming limits from side to side, earthquakes occur.
The movement breaks the crust and originates pronounced fractures.
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How can people best use scientific research on climate change?
A. To create jobs for scientists who study global warming
B. To mitigate the impact of global warming
C. To win debates about global warming
D. To elect politicians who believe in global warming
Answer:
B
Explanation:
Which of the following is NOT a correct base pair?
A-C
T-A
C-G
A-T
Answer:
A-C
Explanation:
Hello There!
Remember these are the complementary base pairs
Adenine and Thymine (so the 2nd and 4th one are correct base pairs)
Cytosine and Guanine ( so the 3rd one is a correct base pair)
Hence, A-C would be the incorrect base pair because like stated previously Adenine pairs with thymine not cytosine
When a dog chases a rabbit, which combination of body systems work together to supply the animals' muscle cells with the materials they need for energy?
A.Excretory, nervous, digestive
B.Muscular, circulatory, immune
C.Integumentary, digestive, endocrine
D. Digestive, circulatory, respiratory
Please help me with this, I need to finish it and would like to get some sleep tonight. It's in the picture.
Photosynthesis is the process by which energy is converted to chemical energy in plant cells. In cellular respiration plants use the chemical energy stored during photosynthesis in basic life processes. During both photosynthesis and cellular respiration, energy is converted. Plant management also relies on light-dependent and light-independent reactions of photosynthesis.
Propose an explanation for why DNA is transcribed
into RNA rather than directly into a proteins