If a DNA strand has 23 % guanine before semi conservative replication occurs, what percent Thymine will each new strand have after replication?

Answers

Answer 1

Answer:

27%

Explanation:

DNA is a linear molecule composed of four nucleotide bases: adenine (A), cytosine (C), guanine (G), and thymine (T). Chargaff's rules state that adenine (A) always pairs with thymine (T), while guanine (G) always pairs with cytosine(C). In consequence, the amount of G should be equal to the content of C, while the amount of T should be equal to the content of A. In this case, the content of G is 23% and the content of C is also 23%, so the remaining content (A + T) is equal to 54% [100 - (23 + 23) = 54%], thereby content of A is equal to 27% and the content of T is also 27% (27 + 27 = 54%).


Related Questions

How do I calculate the weight/force?

Answers

Answer:

Weight = Mass X Gravity   w=mg

Explanation:

Explain How are speed and pressure of a fluid related?

Answers

Answer:

The higher the velocity of a fluid (liquid or gas), the lower the pressure it exerts. This is called Bernoulli’s Principle. Fluid pressure is caused by the random motion of the fluid molecules. When the fluid speeds up, some of the energy from that random motion is used to move faster in the fluid’s direction of motion.

why are some planets harder to see than others planets in the solar system

Answers

Answer:

Because they are farther away

Explanation:

can someone help me asapp

Answers

Answer: hydrogen bonds

Explanation: The two strands of a DNA molecule are held together by hydrogen bonds between the nitrogen bases on opposite strands.

This picture shows a phospholipid bylayer. What crucial function do the nonpolar tails of the phospholipids have?

A) keep water-soluble substances from passing easily into the cell
B) help encode genetic material
C) allow water-soluble substances to pass easily into the cell
D) speed chemical reactions with enzymes

Answers

Answer:

It is B

Explanation:

I had this question on my test last week.

Large areas around the globe with similar climates and similar communities of organisms form

a
a population.
b
a biome.
c
an ecosystem.
d
a species.

Answers

Answer:

c

Explanation:

Answer:

a biome

Explanation:

a species is a type of animal kind, a population is the number of a certain species, an ecosystem is basically a big web of nature that is connected. so we can rule those 3 out. a biome is a part of land with similar climates and organism population

How do scientists organize existing scientific information?
A. By classifying objects or events by their characteristics
B. By publishing research results in a journal
C. By starting a new research project
O D. By reading about other scientists' research
SUBMIT

Answers

Answer:

A

Explanation:

Answer:

A. By classifying objects or events by their characteristics

Explanation:

Identify the functions of the labeled parts.

Answers

Answer:

A. Carries urine to bladder

B. Excretes urine out of body

C. Stores urine temporarliy

D.Produces urine

Explanation: Hope this helps!!

The identification of the functions of the labeled parts is as follows:

A. Carries urine to bladder

B. Excretes urine out of body

C. Stores urine temporarliy

D.Produces urine

In this way, the identification could be made

learn more: https://brainly.com/question/1605083?referrer=searchResults

. Which statement accurately describes the energy needs for photosynthesis and cellular respiration?

Answers

What are the statements?

Why do sparkles come off of TY Beanie Boos?
How do you prevent this incident?

Answers

Answer:

put it on a shelf and keep it there and the sparkles wont come off <3

Explanation:

Answer:

The older they get the more sparkles they loose

Explanation:

Maybe keep them in a container or a box where it will delay them loosing saprkels. And dont wash them

Please help me
Which particle, protons, neutrons, or electrons, has the LEAST mass?

Answers

Answer:

Electrons are much smaller in mass

Explanation:

Although similar in mass, protons are positively charged, while neutrons have no charge. Therefore, the number of neutrons in an atom contributes significantly to its mass, but not to its charge. Electrons are much smaller in mass than protons, weighing only 9.11 × 10−28 grams, or about 1/1800 of an atomic mass unit.

Which three of the following are examples of feedback mechanisms which help maintain homeostasis?
A antibodies binding to a virus
B flagellar rotation for cell movement
Cinsulin secretion in response to high blood sugar
D Nincresed heart rate in response to exercise
E protein synthesis
F proton pumping to maintain a proper pH level

Answers

Answer:

F proton pumping to maintain a proper pH level

Angiosperms are the most common plant that you see every day. Describe what characteristics make them so successful.

Answers

Answer:

1. they are the most complex green flowering plants

2. they are vascular plants

3. they have well developed and complete flower

4. they are mainly terrestrial plants

5. they are seed plants with seed enclosed in the fruit

Explanation:

hope this helps

Claim: Which type of reproduction is more beneficial to a species
Asexual
Sexual

Answers

Answer: Asexual

Explanation: Since only one parent is needed, asexual reproduction is more beneficial. It is a "simpler" (in terms of not needing two mates to fornicate) and causes species to reproduce at a faster rate

Identify 3 uses of ATP in a cell

Answers

Answer:

ATP is consumed for energy in processes including ion transport, muscle contraction, nerve impulse propagation, substrate phosphorylation, and chemical synthesis

Explanation:

Adenosine triphosphate (ATP) is a small molecule that acts as a coenzyme within a cell.

The main role of ATP is to provide energy. Below are the ways it provides energy which can described in an exam.

1) A source of energy.

2) An ATP molecule releases approximately 30kJ (mol^-1) of energy

3) Energy from an ATP molecule is released in small quantitites to prevent damage to the cell

4) Energy released is used for metabolism in the cell. Other reactions that require energy from ATP include; active transport/ muscle contraction/ glycolysis.

Describe the events that occur during the cell cycle. Include what happens in each of the following stages: interphase, mitosis, cytokinesis.

Answers

Answer:

Cell cycle or cell division refers to the series of events that take place in a cell leading to its maturity and subsequent division. These events include duplication of its genome and synthesis of the cell organelles followed by division of the cytoplasm.

interphase-During interphase, the cell copies its DNA in preparation for mitosis. Interphase is the 'daily living' or metabolic phase of the cell, in which the cell obtains nutrients and metabolizes them, grows, reads its DNA, and conducts other "normal" cell functions. This phase was formerly called the resting phase.

mitosis-In cell biology, mitosis is a part of the cell cycle, in which, replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained.

Cytokinesis-Cytokinesis is the division of the cytoplasm in eukaryotic cells that produces distinct daughter cells. Cytokinesis occurs at the end of the cell cycle following mitosis or meiosis. In animal cell division, cytokinesis occurs when a contractile ring of microfilaments forms a cleavage furrow that pinches the cell membrane in half.

Explanation:

hope it helps u

Predict the two possible outcomes if temperature or pH were changed within the molecular control system of cell division.

I'm pretty sure it's that the cells would divide more or divide less, right? Because the temp or pH change would cause some enzymes to denature, and then, depending on which ones denature, the regulation of cell division would be messed up and they would either divide too much or not enough?

Answers

Answer:

Yes, pH and temperature affects the cell division.

Explanation:

If the temperature falls between the range of 3 °C to 25 °C, the mitosis process increases but when the temperature lowers from 3 °C and exceeds from 25 °C so it decreases the rate of mitosis process because the enzymes which is responsible for the process of mitosis denatures and does not work properly. same is the case with pH, the rate of the process will increase when the pH is neutral but decreases when the pH goes lower or higher.

cholesterol is synthesized by all animal cells and is an essential structural component of animal cell's membrane cholesterol is the most common steroid and mainly synthesized in the liver cholesterol also serves as a processor for several important biological compounds including all except insulin ,vitamin D, bile salts , testosterone.​

Answers

Answer:

Aug 11, 2017 — Vitamin D3 is produced in the skin from 7-dehydrocholesterol by UV irradiation, 1,25(OH)2D reduces 1,25(OH)2D levels in cells primarily by  Animals null for calbindin 9k (the major calbindin in mammalian abnormal vitamin D and/or calcium metabolism in some but not all of these patients (24-26). Cholesterol, a waxy substance that is present in blood plasma and in all animal tissues.  it is a primary component of the membrane that surrounds each cell, and it is  synthesizes bile acids, steroid hormones, and vitamin D. Cholesterol  are essential energy sources and structural components of all life

What's the connection between epigenome and nature vs nurture?

Answers

Answer:

The survival and proper functioning of an organism depends on a finely tuned interface between genome and environment, nature and nurture. The interface that regulates gene expression through environmental feedback is called the epigenome.

Explanation:

which of the following can lower the carrying capacity of a particular area?

Answers

Answer:

honestly I think its C smaller organisms .I could be completely wrong so keep that in mind

HELP PLEASE What is the correct percentage of time a cell spends in the Interphase and the Mitosis stages?

Answers

Answer:

20% in mitosis

80% in interphase

to be more exact it spends 78% in interphase and 22% in mitosis :)

Answer:

c

Explanation:

Which is an environmental factor that would MOST LIKELY have an adverse impact on the stability of an ecosystem?

Answers

It is desserts and oceans because the water helps

The climate change would most likely exhibit an adverse influence on the stability of an ecosystem.

Climate change impacts on ecosystems:

Climate change influences ecosystems in numerous ways. Warming may make the species to migrate to higher elevations or latitudes where temperatures are more favorable.

Climate change is resulting in the elevation of sea level, resulting in intrusion of seawater into the freshwater system, which is forcing the key species to relocate. Thus, removing the prey or predators, which are essential for the stability of the ecosystem.

Due to climate change, the vegetative biomes in the United States is predicted to change across 5 to 20 percent by 2100. A specific species due to climate change ca ripple through a food web and influence a broad array of other species, thus, disrupting the food web.

Change in climate and shift in ecological conditions could support the spread of parasites, pathogens, and diseases with potentially adverse influences on agriculture, human health, and fisheries. Climate change, along with pollution and habitat destruction is one of the stressors, which can result in the extinction of species.

Thus, climate change is the environmental factor, which would most likely exhibit an adverse influence on the stability of the ecosystem.

Find out more information about the impact of climate change on the ecosystems here:

https://brainly.com/question/11607190

PLEASE HELP ME !
When did whale ancestors begin living full time in the water?

A) before they nursed under water

B) after they began eating a carnivorous diet

C) before they evolved gills

D) after they lost their hind legs

Answers

Answer:

40 million years ago

The earliest whales that we think were fully aquatic, that is, they never left the water, are found around 40 million years ago, during the middle Eocene. That means that the transition from terrestrial animals to fully aquatic animals took about 12 million years.

Explanation:

Answer:

After they nursed under water

Explanation:

Compared to historical trends, what is different about
contemporary climate change?


A. It’s occurring faster
B. It’s a warning trend
C. It’s affecting plants and animals
D.it’s caused by atmospheric changes

Answers

Answer:

c

Explanation:

The answer to your equation is C. Hope this helps!

Which of the numbered labels is pointing to an energy producing organelle in the diagram?
A. 2
B. 9 and 10
C. 3
D. 6

Answers

Answer: 3

Explanation:

because it’s the mitochondria

Answer:

The answer is c

Explanation:

the answer is c because the thing that is labeled three is the mitochondria

Please help me with this work sheet

Answers

i cant really see it try to take another one

The person tries to spear the fish but he always misses. Why?*​

Answers

Answer:

because of bad coordination

Explanation:

.......

Light reflects off the surface of the water making the fish seem like it’s there when really it’s not it could be close but not where you thought it was

How long does the repair stage last in bone healing?

How does it last like some years what time

Answers

Answer:

it depends on the type of injury people usually stop feeling pain long before the broken bone has healed such as a fractured bone can take up to 6-8 weeks

Explanation:

Answer:

Repairing or reparative phrase begins within the 1st few days after the bone fracture last for about 6 to 8 weeks. During this time, the body develops cartilage tissue in and around the fracture site. Children's bones normally heal faster than adults.

hope this helps

The stomach is a relatively small muscular organ compared to the small intestine that can be a long as six meters

Answers

I believe it’s the large intestine

What two electron carrying particles ("batteries!") does the electron transport chain use to get the energy it needs to
make ATP?

Answers

Answer:

The electron transport chain can convert the energy from one glucose molecule's worth of FADH2 and NADH + H+ into as many as 34 ATP.

Explanation:

Answer:

The electron transport chain can convert the energy from one glucose molecule's worth of FADH2 and NADH + H+ into as many as 34 ATP

Explanation:

The process of forming ATP from the electron transport chain is known as oxidative phosphorylation. Electrons carried by NADH + H+ and FADH2 are transferred to oxygen via a series of electron carriers, and ATPs are formed. Three ATPs are formed from each NADH + H+, and two ATPs are formed for each FADH2 in eukaryotes.

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