When one DNA molecule is copied to make two DNA molecules, the new DNA contains 50% of the parent DNA. Why?

Answers

Answer 1

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:


Related Questions

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

Answers

Answer:

C sorry if im wrong

Explanation:

.

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

Answers

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 is the frequency of a 6.43 x 10^-5 m wave?

Answers

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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Which of the following is NOT a correct base pair?

A-C
T-A
C-G
A-T

Answers

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

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

Answers

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.)

Propose an explanation for why DNA is transcribed
into RNA rather than directly into a proteins

Answers

DNA has to be transcribed into RNA because not only can dna not leave the nuclear for translation at the ribosomes
Also for translation to occur the codons on the mRNA match up with the codons on the tRNA which is connected to the amino acids forming the chain

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

Answers

Answer:

B

Explanation:

29 pt and brainlyyyyyy​

Answers

Answer:

vision, a

Explanation:

occipital lobe controls eyes

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)?​

Answers

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

________protects coding sequences at the 5' end of mrna from degradation.

Answers

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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all gpcrs share a similar structure composed of seven transmembrane helices. true false

Answers

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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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??

Answers

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

Read about invasive species. Then answer the questions provided. Wild Parsnip Describe the invasion of wild parsnip, including the harm it causes.

Answers

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:

3. Compare and contrast the movement produced by each of the three types

Answers

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 movement

What 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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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

Answers

The answer will be C

what are 3 variations of peppered moths?

Answers

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

what makes one organism different from any other organism

Answers

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

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

Answers

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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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

Answers

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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How does ovolution lead to both biodiversity and commonalities among
life?

Answers

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:

Please help me with this, I need to finish it and would like to get some sleep tonight. It's in the picture.

Answers

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.

Can y’all please help me !

Answers

As I see it. Answers are all “A”

Answer:The first is A. the 3rd one is B.

Explanation:

What is the correct term for developing
baby 1 week after fertilisation whe the
organ system are starting to develop?

Answers

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!

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​

Answers

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:

A wave has a frequency of 64 Hz and a wavelength of 17 meters. The speed of the wave is

Answers

Answer:

1088 ms-¹

Explanation:

Speed of a wave=Frequency of the wave*Wavelength of that wave

V=64*17=1088ms-¹

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

Answers

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:

plzz help mark brainiest 10 points​

Answers

Answer:

B

Explanation:

Sunrise you will see a full moon

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​

Answers

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!

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...

Answers

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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human speech consists of a series of sounds called ____, roughly corresponding to the sounds of each letter of the alphabet

Answers

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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Expand and simplify these 12 questions explain why most enzymes perform poorly at low temperatures which promotional mix element would best suit a firm that wants to reach a large consumer audience while keeping the cost per contact low and creating a symbolic image or appeal for a new brand? Should organizations have the right to invade job applicantprivacy by asking personal questions such as drinking habits, druguse, or other questions that may invade the applicants' privacy?Why or w Find the compound interest earned by the deposit. Round to the nearest cent. $7000 at 0.69% compounded monthly for 2 years. $97.24 None of these. O$1032.65 $1256.01 O $8.05 The sheet of metal has dimensions 56 cm by 33 cm. It sis melted downand recast into discs of the same thickness and radius 7 cm. How manydisces will be cast ? What should I take single science biology, or all 3 (physics, biology, chemistry) for GCSE? Plez i don't know what to decide on... I am so stuck. I don't like blood and stuff related to the like. However, if I take A level biology I have a better chance of getting to uni and I like biology but I'm pretty much an air head. Can you give me any answers? Plz Are the ratios 1:2 and 4:7 equivalent? Statements apply to the expression 8^3 ?check all that apply give me your thought about this statementthe suggestion that we should only treat patients who have tried to be healthy in their lives. read the following sentence and choose the correct verbs in preterite or imperfect tense to complete it. yo ____________ (escuchar) msica mientras ___________ (hacer) mi tarea. Will be marking brainliest for the correct answer!! Maximum answers is 3, so please 3 of the following ^^ please dont put any links or I'll report:( Speed depends on both distance and direction.A: TrueB: False SPANISH 1001 Can someone assist me, please? Define a patent as it relates to intellectual property protection. Pls help i'm lost il give brainly Solve for x in -14x - 8x = 32 find the values of x and y What is the area of the figure?A.)24 square inchesB.)28 square inchesC.)45 square inchesD.)55 square inches