3. State and explain Chargaff's rules.

Answers

Answer 1

Answer: Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio (base pair rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.

Explanation:


Related Questions

The aerobic phase of cellular respiration in the mitochondria produces a net of about 28 to 30 ATP molecules. How does this compare to the energy released in glycolysis

Answers

In glycoliyis 2 moles of ATP are produced per mole of glucose. 28-30 is higher than 2. A lot more energy is produced in the aerobic phase.

Which of the following occur during interphase? Select all that apply.
cells prepare for cell division
chromosomes divide
cytoplasm divides
cells grow rapidly
chromosomes replicate
DONE

Answers

Answer:

cells prepare for cell division

Explanation:

explain the ten central themes of biology

Answers

Answer:

The five central themes of biology are structure and function of cells, interactions between organisms, homeostasis, reproduction and genetics, and evolution.

Fill the blanks plz

Answers

The answer is to do what you must my friend, goodluck!!

#1
Inner stem cell mass


#2
Harvested Unspecialized Embryonic Stem Cells

Answer:

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Explanation:

What is the range of time it takes for food to travel through the system?
(12 points)

Answers

Explanation:

it takes 24 to 72 hours in General

In a photosynthesis reaction ,enzymes act to-

Answers

Answer:

The Light Reactions

An enzyme in photosystem II splits water into hydrogen and oxygen. ... An enzyme called ATP synthase uses that potential energy to synthesize a molecule called ATP, which is the most common energy currency for cells, and which is used in the dark reactions of photosynthesis.

Explanation:

ASAP?!!!!!!!!!!!!

IMAGE IS ATTACHED

What is the genotype ratio for this cross?
What is the phenotype ratio for this cross?

Answers

Answer:

1:2:1

Explanation:

The first 1 stands for the TT.

The 2 stands for the amount of Tt.

The last 1 is for tt.

Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passed onto offspring. What are these factors called?

Answers

Answer:

Traits

Explanation:

?!

Answer:

THE ANSWER IS phenotypes

Explanation:

JUST TOOK THE TEST ON EDG..

The function or job of the nervous system is: *

a. to move or transport substances around the body
b. to receive information and control functions
c. to break apart food to get nutrients for the body
d. to exchange gases

Answers

Answer:

B

Explanation:

According to my knowledge the nervous system receives and transport feelings from different parts of our body to the brain and the opposite.

Hope it's helpful....

1. Which of the following is not a characteristic of natural selection?

A. More offspring are born than will survive to reproduce.

B. Mutations appear randomly.

C. Breeding pairs are chosen by humans.

D. Organisms that are better adapted are more likely to survive.

2. Which of the following statements are true about artificial selection.

A. Breeders can control which animals mate.

B. Breeders can control what mutations will appear in the offspring.

C. Both A and B are true.

D. Neither A nor B is true.

Answers

Answer:

1. C

2. A

Explanation:

which of the following cells shows the process of a nucleus? a. prokaryotic b. eukaryotic c. both

Answers

Answer:

b. eukaryotic

Explanation:

"Eukaryotic" means to have a nucleus.
eukaryotic because the other one lacks a nucleus

What did the Ancient Greek and Romans use to magnify objects?

Answers

Answer:

They used clear glass

Explanation:

Answer:

Most ancient lenses are convex and were used to magnify. At Carthage there are 14 glass lenses and two of rock crystal stored in a drawer in the museum; they have apparently never been displayed.

Explanation:

Describe the interactions between organisms within an ecosystem. Give an example of a specific relationship that organisms may have, and how this relationship affects the ecosystem.

Answers

Answer:

Predation: One Wins, One Loses. Predation includes any interaction between two species in which one species benefits by obtaining resources from and to the detriment of the other.

Competition: The Double Negative. Competition exists when multiple organisms vie for the same, limiting resource.

Mutualism: Everyone Wins. Mutualism describes an interaction that benefits both species.

Commensalism: A Positive/Zero Interaction. An interaction where one species benefits and the other remains unaffected is known as commensalism.

Amensalism: A Negative/Zero Interaction. Amensalism describes an interaction in which the presence of one species has a negative effect on another, but the first species is unaffected.

Explanation:

How many monomers are in the polymer of a lipid

Answers

Answer:

Typically two, because fat is a lipid and contains two monomers

Explanation:

Answer: 2

Explanation:

Fatty acid and glycerol

true or false
All proteins found embedded in the cell membrane are transport proteins

Answers

Answer:

False!

Explanation:

False: All proteins embedded in the cell membrane are not transport proteins instead they are not just involved in transportation of molecules but also in other functions.

Cell membrane is the outer covering of most of the type of cells except in plants and bacteria where cell wall is the outermost layer.Cell membrane is made up of phospholipid bilayer. The proteins embedded in the cell membrane are not only the transport proteins but proteins that are responsible for cell to cell communication, responsible for maintaining shape of the cell, and those responsible for triggering chemical messengers all are present.

Learn more about cell membrane:

https://brainly.com/question/18478861

Pleaseeeeeeeee helppppppp
All living things need _____________. Organisms ___________ their energy in ________ ways.

Answers

Answer:

All living things need air, water, and food. Organisms use energy to survive, grow, respond to stimuli, reproduce, and for every type of biological process

Explanation:

What is the correct type of circulatory system for members of class Reptilia?
Open - Oxygen is delivered to organs by blood washing over organs in the body cavity.
Closed - Oxygen is delivered to organs by blood traveling through arteries and veins.
O Closed - Oxygen is delivered to organs by blood washing over organs in the body cavity.
O Reptiles don't have a circulatory system.

Answers

Answer:

Closed the first one

Explanation:

In amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called pulmonary circulation, and the other throughout the rest of the body and its organs including the brain (systemic circulation).

most mammals, have closed cardiovascular systems. The two main circulation pathways in invertebrates are the single and double circulation pathways.

Which feature is unique to a euglena when it is compared to most protists?

Answers

Answer:

he could imagine that new features capitalizing

Answer:

Euglena is a genus of single cell flagellate eukaryotes. It is the best known and most widely studied member of the class Euglenoidea, a diverse group containing some 54 genera and at least 800 species. Species of Euglena are found in freshwater and salt water. They are often abundant in quiet inland waters where they may bloom in numbers sufficient to color

Explanation:

♨Answer the following questions on the basis of the given diagram.
1. What is shown in the diagram ?
2. Label A , B , C , D , E , G and H.
3. Write the name of the secretion of C , D and H.
4. In which part is digested food absorbed ?
5. Write in short about the digestion of food in ' C ' .
6. What is the function of F and G.
~Thanks in advance~ ツ

Answers

Answer:

1.The human digestive system.

2.A .mouth

b.oesophagus

C stomach

d.pancreas

e.small intestine(ileum)

f.rectum

g.appendix

h.liver

3.

4.in the small intestine.

5.

6.

Answer:

this is your answer.look it once.

Question 3 (3 points) (03.06 LC)
Select the correct statement describing the relative fitness in soapberry bugs.

A soapberry bug with high relative fitness feeds more successfully on fruits than do other bugs.

A soapberry bug with high relative fitness has a high number of offspring that survive to reproductive age.

A soapberry bug with high relative fitness has more mates than other bugs.

A soapberry bug with high relative fitness stays with one mate through its lifetime.

Answers

Answer:

B

Explanation:

I took the test 1 hours ago


Sound waves are waves that require particles to vibrate, Sound waves
cannot
a.travel around corners
b.move through solids
c.be heard underwater
d.transmit through empty space
hodieram

Answers

Answer:

d. there's nothing for Soundwave to bounce off of I believe


5. Name 3 things bacteria are "notorious" for?

Answers

Answer:

While pathogenic bacteria are notorious for such diseases as cholera, tuberculosis, and gonorrhea, such disease-causing species are a comparatively tiny fraction of the bacteria as a whole. Bacteria are so widespread that it is possible only to make the most general statements about their life history and ecology.

Explanation:

hope this helps.

any other questions ask me.

What is a hominid? O A. Any ancestor of humans B. Any bipedal primate O C. Any species formed by evolution O D. Any bipedal animal​

Answers

According to the research, the correct answer is Option A. A hominid is any ancestor of humans.

What is a hominid?

They are the hominoid primates that include both humans and their closest relatives.

In this sense, in general, it is linked to the evolution of the human being, which is characterized by walking on two legs and upright and which belongs to the order of higher primates as the only species that survives.

Therefore, we can conclude that according to the research, the concept of hominid alludes to the human being as a single surviving species and its ancestors.

Learn more about a hominid here: https://brainly.com/question/22090206

#SPJ1

What molecule is C6 H12 06?
ta ble salt
glucose
a protein
carbon dioxide

Answers

Glucose - the chemical formula presented is the chemical formula of glucose

Which of the following types of succession would most likely occur after a forest fire?

Answers

Answer:

Secondary succession

Hope this helped :)

Earthquakes release seismic waves, which are waves of .... *
soil
energy
soil and energy
soil, energy, and motion

Answers

Answer:

It would be soil, energy,and motion

Explanation:

Because when there is an earthquake the tectonic plates are pushing upward. so that will cause the soil to come up then the energy beneath to make it move it there's also the motion as it shakes.

I DONT WANT PEOPLE WHO ARE JUST GUESS PLEASE ANSWER CORRECTLY!!!
PLZ HELP!!!
A successful scion will produce the product of the rootstock with greater quality.

True
False

Answers

A successful scion will produce the product of the rootstock with greater quality. If you develop a particular flower which cannot be reproduced from seeds, it could be preserved by grafting.

brainliest?

It’s true , i took the quiz

The most common elements for life are CHONPS The letter P symbolizes the element... A. potassium B. phosphorus C. precipitate ​

Answers

The answer is A. Potassium

Answer: the answer is B

Explanation:

Because I tried a but it was wrong and I got B

Which sequence of human body structures is ordered from most complex to simplest?
O
A. heart cells, heart tissue, heart, circulatory system
B. circulatory system, heart, heart cells, heart tissue
o
C. circulatory system, heart, hobart tissue, heart cells
D. heart tissue, heart cells, heart, circulatory system

Answers

Answer:

A

Explanation:

Heart cells are complex to find

Heart tissue is somewhat easy to find

Heart circulatory system is easy to find

Match the following terms and definitions.

1. any substance that can be decomposed by bacterial action
pollution
2. heat energy coming from inside the Earth; heat from volcanoes or geysers
geothermal
3. the act of contamination; making dirty or unclean
biodegradable

Answers

1. biodegradable
2.geothermal
3.pollution

hope this helps!!
1. Biodegradable
2.geothermal
3.pollution
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