Biology High School

Which of the following is a FALSE statement?

Select one:

RNA contains the nitrogen base cytosine.

RNA contains the nitrogen base guanine.


RNA contains the nitrogen base thymine.

RNA contains the nitrogen base uracil.

Which Of The Following Is A FALSE Statement?Select One:RNA Contains The Nitrogen Base Cytosine.RNA Contains

Answers

Answer 1

Answer:

3rd one

Explanation:

because only DNA contain thymine and in RNA it contains uracil.

Related Questions

6. ¿Cuál de las siguientes moléculas está formada por
glicerol y ácidos grasos?

Azúcares
Almidones
Lípidos
O ácidos nucleicos

Answers

Answer:

Lípidos

Explanation:

The tap water is having a pH of 10
True or false

Answers

Answer: True

Explanation: Tap water is made slightly alkaline because acidic water could corrode metal pipes. It depends on country how high pH is. In some countries, where metal pipes are widely used pH could be even 10

PLEASE HELP ME!!
Mental illness is:

A. seen usually only in large metropolitan areas
B. common
C. very rare
D. found only 1 out of 100 adults

AP_EX - *PSYCHOLOGY*

Answers

Answer is B.
Hope this helps
Can I get brainliest answer? Plz

Answer:

B

Explanation: Unfortunately it's common for people .

Traditional African marriage is an advantage for men only, not women​

Answers

Answer:

Explanation:

Traditional marriage is an advantage to men only because they are the only ones who allowed to marry more than one wife (Polygamous) which makes women to be vulnerable. Yet the women are not allowed to be in polyandrous.

False, marriage is a normal thing now a days but back then when racism was a thing it was a traditional way of the advantage. True if traditional.

A geneticist wants to determine what mutation in a DNA molecule changed the structure of a specific protein. What would the scientist need to know before planning the investigation?

Answers

Answer:

Explanation: 1+1

define phanerograms with examples.​

Answers

Answer: Phanerogams are plants that have special structures for reproduction and generate seeds. Also, according to if the seeds are enclosed in a fruit or not, phanerogams are divided into gymnosperms and angiosperms.

Explanation:

Hope it helps you if not sorry

How does the carbon in grass become part of a lion?

Answers

The carbon ends up in the food the lion eats.
Usually because they are in the same food chain. for example, lions are carnivores (eat other animals). it is likely an animal lions eat are herbivores (eats plants like grass) and therefore, when the lion eats the herbivore, it receives the grass and plants that herbivore ate as well.

Sometime between 22 and 26 weeks, a. a fetus has a chance of survival outside the womb. b. the external genitals are formed. c. synchrony between the fetal heart rate and motor activity peaks. d. vernix and lanugo begin to cover the skin.

Answers

Answer:

The answer is a) a fetus has a chance of survival outside the womb.

Sometime between 22 and 26 weeks, a fetus has a chance of survival outside the womb.

️What are any 3 differences between ecosystem biodiversity and genetic biodiversity?help.....​

Answers

Answer:

Genetic diversity are the differences in DNA among individuals within a species or population. Species diversity is the number or variety of species in the world or in a particular region. Ecosystem diversity is the number or variety of ecosystems within a particular area.

21. In 1960, an invasive species of fish was introduced into the stable ecosystem of a river.
Since then, the population of a native fish species has declined. This situation is an example of
an
1) Ecosystem that has recovered
2) Ecosystem altered through the activities of humans.
3) Environmental impact caused by physical factors
4) Ecological niche without competition

Answers

4) ecological niche without competition

The diagram to the right represents a pair of homologous chromosomes in a diploid cell, and the resulting chromosome in a haploid cell. The letters represent alleles of genes. Why does the chromosome in the haploid cell have alleles from both of the chromosomes in the diploid cell?

Answers

there’s no picture in this question .

CRITICAL THINKING 1. Name three things you could do each day to pro- duce less waste. 2. Explain how buying certain products can help reduce solid waste. 5. Analyzing Methods What are the advantages and disadvantages to producing degradable plastics? 6. Demonstrating Reasoned Judgement Read the Case Study in this section and decide which type of bag you would choose the next time you go shop- ping. Explain why you made this choice. What are other uses of the bag you chose? READING SKILLS 3. Describe the steps it takes to recycle a piece of plastic 4. List two benefits of composting.
​

Answers

1.Quit smoking
-Stop talking unless you have something to say
-Don’t hold grudges


11. Describe how the climate most likely changed between 220 million and 12 thousand years ago

Answers

Answer:

The Earth was formed about 4.5 billion years ago—that's a very long time ago! It's hard to say exactly what the Earth's daily weather was like in any particular place on any particular day thousands or millions of years ago. But we know a lot about what the Earth's climate was like way back then because of clues that remain in rocks, ice, trees, corals, and fossils.

These clues tell us that the Earth's climate has changed many times before. There have been times when most of the planet was covered in ice, and there have also been much warmer periods. Over at least the last 650,000 years, temperatures and carbon dioxide levels in the atmosphere have increased and decreased in a cyclical pattern.

These two clue show how the amount of carbon dioxide and the Earth's temperature have changed over the last 650,000 years. Both clue show a similar up-and-down pattern.

People didn't cause the climate change that occurred thousands or millions of years ago, so it must have happened for other natural reasons.

¿Cuáles de las siguientes características permite el intercambio gaseoso entre el Oxígeno (O2) y Dióxido de carbono (CO2) en los alveolos?

Answers

Answer:

Difusión y afinidad de la hemoglobina.

Explicación:

La difusión y afinidad de la hemoglobina son las características que permiten el intercambio gaseoso entre el Oxígeno (O2) y el Dióxido de Carbono (CO2) en los alvéolos. Debido a la difusión, las células de hemoglobina descargan o eliminan el gas de dióxido de carbono que es más alto en la hemoglobina en comparación con los alvéolos, por lo que el dióxido de carbono se mueve de la hemoglobina a los alvéolos mientras que, por otro lado, el oxígeno se mueve dentro de la célula de hemoglobina a través de la difusión y la estructura de la hemoglobina atraer y adherir moléculas de oxígeno consigo mismo.

Select 2 sentences that are correct.

Answers

Answer:

option 3 and 5

hope helps you

have a great day

Answer:

Option 3 and 4

Explanation:

All primates share a common ancestor. We share ancestry with primates, but we did not evolve or descend from them. We simply have a close evolutionary relationship.

Why a stent is used in the treatment of atherosclerosis in a coronary artery

Answers

The stent holds open the narrowed arteries to allow adequate blood to flow to the heart.

Are your two DNA strands similar? How do?

Answers

In short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of reproduction. Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules.

Genetic factors allow some species of plants to survive in extreme climates while other plants are unable to grow. True or false?

Answers

Answer:true

Explanation: the factors can let the plants adapt to the environment

Hope this helps

Can someone help me if this is correct

Answers

Answer:

I think your answer is wrong. The right answer is D. Nucleus & Ribosome.

Explanation:

A process that takes place in the cells of all living things: the production of proteins. This process is called protein synthesis, and it actually consists of two processes — transcription and translation. During translation, the genetic code in mRNA is read and used to make a protein. These two processes are summed up by the central dogma of molecular biology: DNA → RNA → Protein. In eukaryotic cells, transcription takes place in the nucleus. During transcription, DNA is used as a template to make a molecule of messenger RNA (mRNA). The molecule of mRNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs.

The nucleus contains the cell's DNA and directs the synthesis of ribosomes and proteins. Typically, the nucleus is the most prominent organelle in a cell. Eukaryotic cells have a true nucleus, which means the cell’s DNA is surrounded by a membrane. Therefore, the nucleus houses the cell’s DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.

mass of an object on the moon is 50 kg what is its mass on the earth ?​

Answers

50 kg bc the mass will not change

Which of the following consists of an amino group, a carboxyl group, and a
side chain?
A. DNA
B. An amino acid
C. A nucleotide
D. A carbohydrate

Answers

Answer:

An amino acid

Explanation:

A large region that has a particular type of climate that effectively influences the types of plants and animals that inhabit each ecosystem is

Answers

Answer:

envromet which plants organsims human bigse are living

change to passive voice:the police caught the boy red handed​

Answers

It is already in passive it looks like. Passive is past, and the word “caught” it passive because active would be “catch or catching”

help extra points rellay important​

Answers

Answer:

Option A, Saliva

Explanation:

a.) Saliva = watery fluid, secreted into the mouth by the salivary glands, that functions in the tasting, chewing, and swallowing of food.

b.) Mucus = a thick liquid produced inside the nose and other parts of the body.

c.) The Tongue = the large, soft piece of flesh in the mouth that you can move, and is used for tasting, speaking.

d.) The Epiglottis =  a thin cartilaginous flap that covers the entrance to the larynx during swallowing, preventing food from entering the trachea.

Hope this helps!

Answer: A

Explanation: Have a great day!!

If H X G means H is to the South of G
H + G means H is to the North of G
H ÷ G means H is to the East of G
H-G means H is to the West of G
Then, in A÷ B +C-D; D is in which direction with respect to B.
a)North

b)South

c)North-East

d)South – East

Answers

Answer:

C. North-East

Explanation:

North" (and any subsequent words) was ignored because we limit queries to 32 words.

35. When substances move in and out of cells using energy this is called:
a. active transport
b. passive transport
c. activation energy
d. selective transport

Answers

Answer:

active transport

Explanation:

Active transport is the movement of particles from a region of low concentration to a region of high concentration against the concentration gradient that requires energy.

what do the results suggest about ways that milkweed bug populations are limited in nature?

Answers

Answer:

Temperature.

Explanation:

Temperature was the only limiting factor that controls and limits the size of the population of milkweed bug  in the nature because these milkweed bug are very sensitive to temperature. Little increase or decrease in temperature can cause adverse effect to the population f milkweed bug in that environment. Milkweed bugs need food, water, space, shelter and a mate in order to survive a well as increase in population of milkweed bug.

A trout moves from a warm environment into a cold environment. Predict how the saturation status of hydrocarbon chains might change to ensure proper membrane fluidity in the new cold environment.

Answers

Answer:

The correct answer is - The hydrocarbons would become less saturated to increase the fluidity of the membrane

Explanation:

The ratio of saturated and unsaturated fatty acids or hydrocarbon chains is responsible for the membrane fluidity at cold temperatures. Cholesterol is an important part of membrane fluidity as it functions as a buffer, it inserts in phospholipids to preventing lower temperatures from inhibiting fluidity and at higher temperatures stabilizes the cell membrane and increase melting point and prevent increasing fluidity.

Moving from high temperature to low temperature hydrocarbon chains become less saturated in order to increase fluidity as it inserts cholesterols into phospholipids and decrease saturation.

Which of the following could be present in a prokaryotic cell? *
Ribosomes
Cell Wall
Cell Membrane
Nucleus
Membrane-Bound Organelles
DNA

Answers

Cell wall Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall.

Answer:

they actually do not have a nucleas

In a population of goldfish, individuals can be colored orange, white, white with orange spots,
orange with black spots, and orange with white spots. What is the best explanation for these
color differences?

Answers

kahit kahit po ayaw mona kana kana aaaa

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