Edwin Chargaff was a 20th century biochemist who investigated the structure of DNA. Chargaff looked at the ratios of the four bases in the DNA. State the type of bond that joins the bases together in a DNA molecule

Answers

Answer 1

Answer:

Hydrogen Bond

Explanation:

The hydrogen bond joins bases together in a DNA molecules. Which is the bond between two strands on a DNA molecule. Although the hydrogen bond is weak, collectively in the DNA molecule, it is a strong bond which binds the molecule together.


Related Questions

What are the phases of mitosis? A. Prophase B. Interphase C. Cytokinesis D. Telophase (Multiply Choice)

Answers

I think the correct answer is letter D
the answer is A and D

why is it important to consider all three levels of biodiversity rather than just one

Answers

Answer:

Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms.

Explanation:

Answer:

It is important to consider all three levels of biodiversity rather than just one because:

Explanation:

It is important to consider all three levels of biodiversity rather than just one because Biodiversity improves the productivity of habitats where each species, no matter how limited, has an essential role to play. For ex. a greater number of plant species means a greater range of crops. Greater species diversity assures the ecological survival of all life forms.

Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?


The temperature is always lower.
The temperature is always the same.
The temperature is usually lower.
The temperature is usually higher.

Answers

Answer:

where's the graph man...... Also very complicated question...

Explanation:

With graph only it can be done...

Answer:

The temperature is always lower.

Explanation:

The four tenants of evolution by natural selection

Answers

Answer:

variation, inheritance, selection and time

Explanation:


How does a mechanical wave affect the matter in which it travels through?
A
It changes its position forever
B
It moves perpendicular to the direction of the wave.
C
It has not affect on it
D
It may displace it temporarily, however when the wave passes the matter returns back
to its original position.

Answers

Answer:

The best and most correct answer among the choices provided by your question is the fourth choice or letter D "The thin membrane that closes the cavity of the middle ear from the outside changes position."

Your ears pop in airplanes because the air high above the surface of Earth is less dense than air near the surface, because air near the surface has all the air above it pushing down. Your inner ear has air trapped in it and as the atmospheric pressure changes, it causes pressure on your eardrum.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

Explanation:

Select all the correct statements concerning proteins

pls help i’m taking a test.

Answers

Answer:

A,E,and F i think

Explanation:

Should water (H2O) be included in the model as a reactant or product? If so, how should it be included?


Yes, as reactant A.
Yes, as reactant A.

Yes, as product B.
Yes, as product B.

Yes, as reactant C.
Yes, as reactant C.

No, it should not be Included.

Answers

Answer: A.) Yes, as reactant A.

Explanation: I hope this helps !!

What is template and what is complementary strand? Please help me need ASAP

Answers

Answer:

The term template strand refers to the sequence of DNA that is copied during the synthesis of mRNA. ... The upper strand of DNA is the "mRNA-like" strand. The lower strand is the strand that is complementary to the mRNA.

Explanation:

The process of natural selection requires all of the following, except:

Group of answer choices:

A.) genetic inheritance through reproduction

B.) environmental pressure

C.) advanced or complex species

D.) variation of a trait

Answers

Answer:

C.) Advanced or complex species

How did economics delay scientists’ first attempts for conservation in the forest industry?
Think about MONEY involved for conservation.

answer for both Community Conservation and Using Forests Wisely
IN COMPLETE SENTENCES OR I WILL REPORT

Answers

Answer:

If people are cutting down trees without consent and doing their job wrong they can destroy land and wildlife which can result in loss of money and large fine.

BTW DONT SUBMIT THIS RESPONSE WORD FOR WORD BC FLVS WILL KNOW AND GIVE U A 0 SO MAKE SURE TO REWORD IT!!!!!

I don't know what subject to put this under, but my friend just told me she's a furry. how should I respond to this, and what should I say? thanks :)

Answers

Answer:

I mean I don't think there's any thing wrong with being a furry, try to be supportive and that you don't think of them any differently, overall just try to be supportive. :)

Answer:

Just be supportive, there is nothing wrong with being a furry.

Explanation:

Please help me ASAP???????????????????????????

Answers

Answer:

8

Explanation:

A single change in the sequence of nitrogenous bases in a DNA molecule would most likely result in

Answers

Answer:

A gene mutation

Explanation:

how does parasitism differ from other symbiotic relationships?? (please help of you know it )​

Answers

Answer:

Symbiosis is when one creature benefits while the other is unaffected. Parasitism is when one creature benefits while the other is harmed.

Explanation:

Think of parasites. They feed off of other creatures and harm them in the process. Symbiosis is similar, but neither creature is harmed.

Which ecosystem is the least stable?
A.savanna
B.coral reef
C.rain forest
D.cornfield

Answers

Answer:

D

Well in a cornfield, its only corn and if your a hebirvore, its heaven there, but for canviroe's it doesnt work out to well, also corn field's are normally in a farmer's land, so meat eating animals dont really liketo go there, or they migth get shot

Hope this helps!

Answer:

D

Explanation:

I got it right on AP3X

-sorry if it's not the same

What are several different types of greenhouse gases?

Answers

Answer:

Some examples are:

Carbon Dioxide.

Methane.

Nitrous Oxide.

Fluorinated Gases.

Hydrofluorocarbons (HFCs)

Perfluorocar- bons (PFCs)

Sulphur hexafluoride (SF6)

Nitrogen triflouride (NF3).

Explanation:

Which is the third stage of mitosis? (3 points)
Anaphase
Interphase
Metaphase
Telophase

Answers

Answer: metaphase, this is where the nuclear membrane breaks down and chromosomes line up along the middle of the cell.

I hope this helps.

How did the temperature relate to the “recommended temperature limit” (solid horizontal red line)?

Will give extra points for right answer

Answers

Answer:

The “recommended temperature limit” indicates limit of the temperature that is good for our world and above this limit causes adverse affect.

Explanation:

The temperature related to the “recommended temperature limit” means that in the graph there is a limit of temperature for our world's environment. if the temperature is between this limit, there is less or no adverse effect on our environment while on the hand, if the temperature exceeds from this limit, then it adversely affected our world because the concentration of carbondioxide gas in the atmosphere increases due to this increase temperature..

During __ tides, the moon is at a right angle to the sun
1.spring
2.Neap

Answers

My Answer is Neap. btw i remember that question

The shadow of a tower is always directed toward the North at midday, as shown in the given figure. Where is the
tower located?
A)
North of the Tropic of Cancer or 23°N line
B)
Between the Tropic of Cancer and the Equator
South of the Tropic of Capricorn or 23°S line
D)
Between the Tropic of Capricorn and the Equator

Answers

I got c My teacher said I was Right I don’t know if it’s right for you

Answer:

A

Explanation:

In which part of the food chain is each of the algae?

Answers

Answer:

(algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.

Explanation:

so producers

have a good day you silly goose

what cell transports materials through a cell​

Answers

Answer:

endoplasmic reticulum

Explanation:

Can someone PLEASE answer these questions QUICKLY

Answers

1. Radiometric, Relative
2. Radiometric Dating
3. Relative Dating

If a strand of DNA has 20% C, calculate the percentages of
G:
T:
A

Answers

Answer:

G would be 20%

T and A then would make up 60% so 30% each

Explanation:

What is the evolution of humans

Answers

Answer:

Human evolution is the lengthy process of change by which people originated from apelike ancestors. Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years

Explanation:

Answer:

Human evolution is the lengthy process of change by which people originated from apelike ancestors.

Explanation:

While studying for a test, Tyrone created some note cards. What would be an appropriate title for the note
card above?
A product of photosynthesis.

A reactant of photosynthesis

Parts of a plant cell.

Organelles that capture sunlight.

Answers

A because that’s the final products of photosynthesis

In dogs why your hair H is dominant over straight hair H2 dogs produce offspring as shown in the punnett square below

Answers

Answer:

this don't make sense

Explanation:

Answer:

The real question is

In dogs, wire hair (H) is dominant over straight hair (h).  Two dogs produce offspring as shown in the Punnett square below. What percent of the offspring are expected to have wire hair?

It is 75 percent I think.

Explanation:

2. Krypton (Kr) is a colorless gas that does not conduct electricity. Where would you
find this element on the Periodic Table?
a. On the left
b. On the right
C. In the middle
d. At the bottom

Answers

B. On the right
Krypton is element 36 and is a noble gas which are found in group 18.

Please help !!! For 10 points

Answers

This is in the sexual reproduction section
Chicken reproduce by laying eggs, Amoebae reproduce by dividing two cells

This is in the asexual reproduction
Cherry trees can be grown from cherry seeds, pineapple plants can be grown from stem settings, and hydras reproduce by budding
Hope that helped

PLEASE HELP, WILL MARK BRAINLEST
The first form of life on Earth was created from

atmospheric gases.
green plants.
reproducing molecules.
living fossils.

Answers

i believe the answer is green plants
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