Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur?
a. DNA contains phosphorus and no sulfur.
b. Proteins contain phosphorus and no sulfur.
c. DNA contains sulfur and little phosphorous.
d. Proteins acids contain sulfur and little phosphorou

Answers

Answer 1
dna contains sulfur and little phosphorus

Related Questions

The passing on of genes from parents to their offspring is known as

Answers

Answer:

Heredity

Explanation:

there is no explanation for this

Answer:

"Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring"

what would be observed when a growing seedling is placed horizontally​

Answers

Answer:

it will slowey become less horizontal as time flies by

Explanation:

Write this!

If you were to place a seed down horizontally, the roots and the shoot will be grown horizontally, but when the plant grows, it will slowey become less horizontal as time flies by and shape back into a straight manner towards the sunlight, this would be a example of a term known as geotropism (the response of plants from gravity).

What are the parts of an atom and their characteristics?

Answers

Answer:

An atom has all of the characteristics of an element, parts are neutrons, protons, electrons

write four observable differences between rat and toad​

Answers

Answer:Frog or toad: how to tell the difference

Skin

If there was ever a tell-tale sign to indicate which amphibian you are looking at, it’s the texture of their skin. Toads are warty-looking, covered in little lumps and bumps, while frogs are sleek and smooth. Toads also virtually always have dry skin, whereas frogs look wet even when they are out of the water.

Location

If you’ve spotted an amphibian making its way along a pavement or ambling through some grass, chances are it’s a toad. Toads cope much better with dry conditions than frogs, as their skin is more waterproof. Frogs lose moisture a lot more easily, and so are rarely seen too far away from water, which explains why they always look moist.

Legs

Frogs have long legs, longer than their head and body, which are made for hopping. Toads, on the other hand, have much shorter legs and prefer to crawl around rather than hop.

Explanation:

Answer:

1. color.

2. texture and or roughness. the rat will be smooth and the toad will feel rough against the skin.

3. growth/ size. rats can grow to be huge and toads tend to stay kind of small.

4. rat has a tail and toad does not.

extra 5. the preference of where to create a home

Explanation:

see above

What species and class does gossypium belong to?


Answers

Answer:

Gossypium belongs to the Gossypium arboreum L. species.

In order for two new cells to be created during mitosis, each cell must receive an identical copy of DNA. In order to accomplish this task efficiently prior to mitosis, a cell will condense DNA into

Answers

Answer:

chromosomes

Explanation:

A cell must condense DNA into chromosomes before it can divide mitotically to form two new cells with identical copies of DNA.

The condensation of the DNA happens at the initial phase of the mitosis - the prophase - during which the DNA thickens and condenses to form chromosomes.

These chromosomes then align at the cell's plate during metaphase and they become separated into sister chromatids through the pulling of the spindle fiber at anaphase. Separated chromatids of the same chromosome are then transported to the opposite ends of the cell where they decondense before cytokinesis takes place.

The boulders, rocks, and pebbles at the base of this cliff are the same kind of rock as the cliff itself. What can you conclude from this evidence? Check all that apply.


A.
Waves are causing the cliff to crumble.


B.
The boulders, rocks, and pebbles were originally part of the cliff.


C.
The cliff is eroding, so the lighthouse was not built in a safe location.

Answers

B because it wouldnt have sucked me

The boulders, rocks, and pebbles were originally part of the cliff can conclude from this evidence.

What are the features of boulder rocks?

A boulder is defined as any rock larger than 16” in diameter. They are available in two basic shapes: round and angular. Round boulders have smooth edges and curves.

Moreover, a boulder is a rock fragment with size greater than 25.6 centimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles.

A boulder is defined as any rock larger than 16” in diameter. They are available in two basic shapes: round and angular.

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A mutation that could be inherited by offspring would result from-?

Answers

Answer: Along with substitutions, mutations can also be caused by insertions, deletions, or duplications of DNA sequences. Some mutations are hereditary because they are passed down to an offspring from a parent carrying a mutation through the germ line, meaning through an egg or sperm cell carrying the mutation.

Explanation:

A mutation that could be inherited by offspring would leads from a base substitution in gametes during meiosis. The correct option is D.

What is mutation?

Any alteration to a cell's DNA sequence. Alterations in cell division can result in specific mutations.

As can exposure to environmental DNA-damaging substances. Mutations may be negative, positive, or ineffective.

Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.

Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.

A base substitution in gametes during meiosis would result in a mutation that might be passed on to progeny.

Thus, the correct option is D.

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Your question seems incomplete, the probable complete question is:

A mutation that could be inherited by offspring would result from-?

The Question is above.

Answers

Answer:

B

Explanation:

three heads, one tail

Construction workers attach ropes and pulleys to wooden timbers on an old bridge.
They use the rope and pulley system like the one in the diagram below to move the
timbers away from each other, in order to dismantle the bridge.

Answers

Answer:

It is a safe and efficient method.

Explanation:

This method of dismantle the bridge is also a good one but there are some other methods also that are used instead of rope and pulley system such as destroy the bridge by using bombs at the base of pillars and cutting of each part in order to dismantle the bridge. This rope and pulley system is also an efficient way to dismantle the bridge so that's why the engineers used this method instead of other methods due to its safe method.

Which organisms should be classified in more than one trophic level?

Answers

A trophies level pertains to the position of an organism in the food chain. Humans are the most dominant organism that belong to more than one trophies level. When we eat plants we become the secondary or the tertiary consumers.

Birds are also organisms that belong to more than one trophies level. When birds eat seeds they become the primary consumer, but when they eat insects they become the secondary or even the tertiary consumers.

True or false identify if it is false: Wetlands may be either freshwater or salt water biome. May somebody please help me don’t give up on me now.

Answers

Answer:

I believe the answer is true

Answer:

True

Explanation:

I just took it on a test brainlist would be appreciated

Which of the following elements is known as "nuclear ash" when it forms inside a star?
Select one:
a. Hydrogen
b. Helium
c. Silicon
d. Iron

Answers

Answer:

D- Iron

~+lil more info!+~

Iron is the ultimate nuclear “ash,” from which no nuclear energy can be extracted.

Question 3
Which of the following would a cell from heart muscle most likely have an unusually high proportion of?
A lysosomes

B-mitochondria

C-Golgi bodies

D-mRNA

Answers

Answer:

a

Explanation:

Answer: Mitochondria

the chemicals in cigarette smokers are known to cause cancer propose a series of steps that could lead to the development of lung cancer in a smoker

Answers

Answer:

Cell deterioration

Explanation:

Once the cells first come in contact, they immediately create a cell shield that is composed of weaker cells, while the rest continue their work, the problem with this, is that their is a lack of cells to do work and the weaker cells are slowly dying and creating holes for the harmful chemicals to enter, as the cells deteriorate they clot together and create a lump in a final attempt, and it ends up creating deadly weight in the lungs.

Pease help me i will mark brainly

Answers

Answer:

space

Explanation:

everything else is for the life of the plant it's not necessary to have a ton of space

Dr. Flores would like an update on your research about what happened to the lake on Titan. Did
the lake on Titan evaporated or froze ? After you clearly state your claim (can be found above), explain how the evidence connects to the claim to support your argument. Remember to explain what happened at both the macro (what we see with our eyes/photos) and molecular scale (what we cannot see at the molecular level). Word bank: freedom of movement, evaporation,.molecule, freezing, phase change, temperature, kinetic energy energy

Answers

Answer:

Explanation: it must be evaporated

In the 1880s, Louis Pasteur developed a method of weakening viruses. The weakened viruses could be injected into healthy individuals.

How is this method effective in fighting viral diseases?

Answers

Answer:

since Louis Pasteur developed a method of weaking the viruses, the weeked virus could be injected to healthy individuals. He did this becuase if you get injected by the weakened viruis you will have a greater chase of NOT getting that said virus.

Explanation:

Answer:

The immune system develops antibodies in response to the weakened viruses.

Explanation:

1. Explain the pathway of Endosymbiosis, and explain the job of all the organelles involved.​

Answers

Answer:

All living things are made up of cells. Even though there are many millions of life forms on earth, all of them are made up of only two basic types of cell: prokaryotes and eukaryotes.Cells contain DNA. Prokaryotes (pro-carry-oats) are small and simple and have rings of circular DNA floating free inside the cell. Eukaryotes (you-carry-oats) are large and more complex.

what is the definition of carcinogen?

Answers

It’s something that can cause tissue to develop cancer

a carcinogen can either be a substance like colchicine or nicotine , UV radiaton, gamma radiation, X-rays, ionizing radiaton, and even viruses that cause mutations that lead to cancer

Can someone help me with these 2 pleaseeeeeee I don’t got much time lefttt !!!!

Answers

Answer:

I think Skeletal and Organs.

Explanation:

all you need is in the photo ​

Answers

Answer:

a

Explanation:

Active transport occurs through which type of biomolecule?
Proteins
Lipids
Carbohydrates
Nucleic acids

Answers

Nucleic acids. It is this becasue In my science call today they said this

Nucleic acids is the first answer I know I took the test and got it right

What is the third part of cell theory?
All cells come from pre-existing cells
All cells contain DNA
All cells contain a nucleus
All cells maintain homeostasis

Answers

Answer:

Explanation:

All cells come from pre-existing cells

All cells come from preexisting cells

middle part of the sternum

Answers

Answer:

The manubrium

Answer: manubrium

Explanation:

is the broad upper part of the sternum. It has a quadrangular shape, narrowing from the top, which gives it four borders.

The picture below shows a club hitting a golf ball. Why does the golf ball move when the club strikes it?

Answers

When the club the ball the club transfer its kinetic energy to the ball there for it moves

Please answer ASAP!!

Answers

Answer:

Sensory

Explanation:

Unit 4 review grade 5

Answers

Answer:

theress no question

Explanation:

Answer:

you left me speachless and where is the photo how am i soupposed to do your work if i dont know what im doing

btw the answers 4

Explanation:

Which substance is a solid?

Answers

Answer:

walls

Explanation:

Answer:

Rocks? Im not sure what you mean.

Winters in Minnesota frequently experience
temperatures below zero.

A. Climate
B. Weather

Answers

its b) bc if it was climate it would’ve said like tropical, continental etc.
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Which of the following is an example of a powerful action taken by the United Nations Jeremy opened a bank account depositing $1,950 initially. He withdraws a fixed amount every month. At the end of the first month, account balance is $1,800. Which equation could model the situation? What was one consequence of the widespread disease that killed manyNative Americans? What are the Pros and Cons of living and working on a Manor? using the family tree provided, replace the blank with the correct family member vocabulary that you learned in the unit.1. sophie est__ de pierre.2.dominique est__ de corinne.3.alain est__ de camille.4.lucie est__ de la.5.corinne est__dalain. Which of the following factors would reduce the yield of a reaction?A. The reaction occurs very quickly.B. The reactants form additional unexpected products.C. The reaction requires a large quantity of heat.D. The reaction produces a large quantity of heat. Angie wants to buy Christmas presents for all 7 ofher cousins.She wants to spend $4.75 on each one.How much will she spend all together? PLEASE HELP ASAP how do you solve this? HELP HELP HELP HELP HELP HELP Describe when it is appropriate to contact your references concerning a job interview. What types of information should you tell your references about your job hunting activities? free....................................... 49. Seeds may be dispersed by which of the following methods?a. gardeners planting gardensb. through animal fecesc. on the shoes of people walking through fieldsd. by transplanting small plants from one area to another please help ASAP thanks which of the following is not a Spanish idiom? Question 6Given h(x) = -8(x - 5), what is the value of h(-6)?Previous What is Mount Everest called in nepali Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gasA:Some of the chemical energy in the natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.B:Some of the electrical energy in the natural gas transforms into thermal energy, which causes the water to form steam. Then some of the thermal energy changes into sound energy and light energy when the steam leaves the kettle. How do you know that there exists a real number x>0 such that x^2 = 3?no answer needed, just take the points. Trees that lose their leaves during winter are called A. Deciduous B. FernC. Herbacious D. Woody E. Evergreen Which of these resources will most likely be depleted first? A Wind B Solar energy C Fossil fuels D Water