Answer:
A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
I found this on google because I am not the best at explaining things but I hope this helps :)
The building blocks of nucleic acids are nucleotides, which consist of a sugar molecule, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
What are nucleotidesNucleotides are the building blocks of nucleic acids, such as DNA and RNA. They consist of a sugar, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
Nucleotides link together through phosphodiester bonds, forming the backbone of nucleic acid chains. The sequence of nitrogenous bases along the chain encodes genetic information. Adenine pairs with thymine or uracil in RNA, while guanine pairs with cytosine, creating complementary base pairs.
Nucleotides play a crucial role in storing and transmitting genetic instructions, serving as the foundation for DNA and RNA molecules.
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Please help me with this
Answer:
uses energy to work(?)
Explanation:
Answer:
uses energy to work
Explanation:
Outputs of photosynthesis
Answer: carbon dioxide, water molecules, glucose, and oxygen
Explanation: Energy is used to convert carbon dioxide into oxygen and glucose.
The arrow in a chemical equation represents the ________________ _________________
Answer:The subscript
Explanation:
Who likes Pokémon in this website?
Answer:
Bruh which website
Explanation:
Plz tell me btw I love pokémon
meiosis results in greater genetic variation than asexual reproduction because it-
A. is a lengthy process full of errors.
B. results in a greater number of offspring.
C. is more common in higher order species.
D. allows the recombination of genetic information.
Answer:
D. allows the recombination of genetic information.
Albino individuals lack all pigmentation so that their hair and skin are white. The
transmission of Albinism is shown on the pedigree below.
According to the pedigree, what is the mode of inheritance for this condition?
Hey there! please help I can't find the answer in my textbook for these notes :)
During the _________, ATP and NADPH molecules produced in the light-dependent reactions are used to produce high-energy sugars from carbon dioxide.
Thank you so much!
Answer: Overview of the Calvin cycle
In the Calvin cycle, carbon atoms from CO2start text, C, O, end text, start subscript, 2, end subscript are fixed (incorporated into organic molecules) and used to build three-carbon sugars. This process is fueled by, and dependent on, ATP and NADPH from the light reactions.
Messenger RNA carries a(n) ___________ of the DNA’s instructions out of the nucleus to the ___________.
Answer:
transcript and ribosome
Explanation:
I know this for sure
CELLULAR RESPIRATION!!!
Explain what cellular respiration is using the vocabulary words: cellular respiration, energy, matter, and chemical reaction. Make sure to describe how the cell gets the matter and energy needed.
Which human body system performs a function similar to that of the vascular
system of a plant?
pls help will give brainliest
Answer:
C
Explanation:
please help
question is in photo
Answer:
75% tall and 25% short
Explanation:
T-- dominant
t- recessive
3 dominant alleles (TT, Tt, Tt)
1 recessive allel (tt)
3/4 = 75%
1/4 = 25%
What is this organelle
onikal tiking yg Ten tow no as nik lia
PLEASE PLEASE PLEASE HELPPP DUE VERY SOONNNN!!!! In dogs, the gene for fur color has two alleles. The dominant allele (F) codes for grey fur and the recessive allele (f) codes for black fur.
3) The f e m a l e d o g is h e terozygous. The m a l e d o g is h o m o z yg ous recessive. Figure out the phenotypes and genotypes of their possible puppies by using a Punnett Square.
Answer:
Genotypes:
FF: 0%
Ff: 50%
ff: 50%
Phenotypes:
Black fur: 50%
Grey fur: 50%
Fill in the blanks
Human activities have altered many natural environments by _____. Many lands are now fields where only one from farm crop is grown, an example of a (n) ____.
Other human activities had added many ____ to the atmosphere some of which cause an ugly Haze called _____ or damage the protective ____. A consequence of global transportation has been the spread of _____ that outcompete or prey on native species.
Use these to fill in the blank:
Monoculture
Invasive species
Pollutants
Ozone layer
Smog
Deforestation
Answer:
1st line:Deforestation
2nd line:monoculture
3rd line:pollutants
4th line:Smog
5th line:Ozone layer
6th line:invasive species
All in that order for each line.
Answer:
1st line:Deforestation
2nd line:monoculture
3rd line:pollutants
4th line:Smog
5th line:Ozone layer
6th line:invasive species
All in that order for each line.
Explanation:
Describe how a solid rock in the lower level of the crust could become a molten rock.
PLS HELP I WILL MARK BRAINLIEST
Answer:
The higher the pressure on anything, the hotter it will get. The hotter a rock gets, the more possibility that it will have to melt.
So you're out the base of the crust, with any kilometers of crust above you, and that's a lot of pressure. Then take into account that you have thousands of degrees of heat coming from the mantle-core boundary, and directly from radioactive decay within the mantle, which only adds to the temperature.
The net result is like melting a stick of butter. It's very easy to do without a lot of energy -- since Earth is a massive ball of thermal energy, then well... it's easy to do.
Which of the following problems are environmental indicators of acid deposition?
Decreased pH levels in lakes and rivers
Decreased concentration of aluminum in the soil
Changes in development of indicator organisms of an ecosystem
II only
III only
I and III
I and II
Answer:
I and III
Explanation:
Acid deposition will decrease pH levels in lakes and rivers since it contaminates them and lowers their pH, and organisms may be affected by the increased acidity in their immediate surroundings, but aluminum has nothing to do with pH levels at all.
Hope thish elped!
Option I and III shows the problems of environmental indicators of acid deposition.
The following information should be considered:
The acid deposition should reduce the level of pH in terms of lakes and rivers as it contaminates also the organisms should impact when the acidity should be increased for the surroundings. But the aluminum does not have any relationship with pH levels.Therefore we can conclude that options I and III are correct.
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looking at the animal cell diagram above, identify the organelle(s) involved in the process of building proteins
Answer:
I dont see any diagram but in general, the organelles are the nucleus, ribosomes, ER, golgi apparatus, and vesicles
Explanation:
The nucleus contains the genetic code and creates the "orders" for the ribosomes
The ribosomes synthesize the proteins
The (rough) endoplasmic reticulum contain ribosomes
The golgi apparatus and vesicles transport and modify proteins
What is the difference between prokaryotic and eukaryotic cells?
The main difference that separates prokariotic organisms from eukaryotic organisms is the organisation of the genetic material. Prokaryotes have a single chromosome that isn't separated by a membrane and it's called nucleoid. Eukaryotes have multiple chromosomes that are inclosed in a nuclear envelope(nucleus).
The only organelles present in prokaryotic cells are the ribosomes(70S) which differ from the eukaryotic ribosomes(80S). Eukaryotic cells have membrane bound organelles like the mitochondrion or Golgi aparatus.
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
Answer:
d. there's nothing for Soundwave to bounce off of I believe
Someone please help!!! Anyone!?!? I'll give A Brainliest
Answer:
These are Punnet squares. The answer for 1 is 50% The answer for 2 is 100%
The answer for 3 is 100%
Explanation:
I hope this helps!! Have a great day!!!
Which of these groups contains single-celled organisms?
A. birds
В. plants
C. fungus
D. animals
Answer:
C. Fungus
Explanation:
The fungi kingdom includes both single cell and multicellular organisms. Single cell organisms in the fungi kingdom include yeasts and chytrids, or fossilized fungi. Most organisms within the plant and animal kingdoms are multicellular. The Largest Single-Celled Organism.
hope i helped
Answer:
C. fungus
Explanation:
Birds and animals are in the same category, and both have multiple cells.
Plants also have multiply cells.
And fungus can be single celled or multiple cells.
Hope this helps ya!!
when do birds use their teeth????
Answer:
to eat worms
Explanation:
Answer:
Birds do not have teeth, however...Explanation:
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According to The Cornell Lab, "Birds do not have teeth, however, they may have ridges on their bills that help them grip food, but this does not count as teeth. So what about birds that have “tooth” in their name, like Double-toothed Kite? Some birds of prey have a sharp ridge or “tomial tooth” on the bill that they use to bite into their prey when subduing it. But these modifications to the bill surface are not considered the same thing as individualized teeth seen in other animals."
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Hope this helps! <3
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How the nervous and endocrine systems maintain homeostasis?
Answer:
Hope this helps :D
Explanation:
Homeostasis is the process of how you have a controlled body temperature.
The nervous system detects that your body temperature is falling (or rising) so the endocrine system send the chemical messengers (hormones) to bring the body temperature back to normal.
Why codon in the sickle cell DNA is altered ?
Answer:
A missense mutation changes a codon so that different protien is created, a non-synonymous change
Explanation:
Sickle-cell disease is caused by a single point mutation in the beta hemoglobin gene that converts a GAG codon into GUG
Explain how parents that do not have a trait can have a child that has the trait
Answer:
their environment
Explanation:
A child's environment has one of the biggest effects developmentally. Meaning friends, school, location.
At what stage of the cycle does the cell copy its DNA?
Answer:
S-Phase
Explanation:
During the S-Phase, the cell replicates its DNA. Interphase is then followed by Mitosis. Mitosis is when the cell separates its two sets of DNA and divides it into two more cells.
PLEASE HELP. What is the half life of the element in the picture?
A scientist is studying a radioactive element that has a half-life of 63 years. Choose the correct answers from the drop-down menus to complete each statement about the element.
It will take
blank
years for half of the sample to decay.
In 189 years, blank
of the sample will be left.
Scientists can figure out how old a sample is by multiplying the blank
by the length of the half-life.
Answer:
It will take 63 years
In 189 years, one-eight of the sample will be left
By multiplying the number of half-life cycles
Explanation:
I just completed this assignment.
A scientist is studying a radioactive element that has a half-life of 63 years. It will take 63 years, In 189 years, one-eight of the sample will be left.
what is the meaning of half life ?A radioactive element is defined as the material when it changes its atomic number or weight by emitting energy, the energy may be either Alpha, beta, or gamma forms of radiation.
Alpha is a Helium nucleus, a beta particle is an electron and a gamma is high energy electromagnetic radiation. Half-Life can be defined as the time required by which the radioactive substance to split into a different substance.
The half life was first discovered by Ernest Rutherford and represented by the Ug or t1/2, If the radioactive element has one-hour of half-life, it means one half of the element would decay within an hour and the remaining part would decay in another hour.
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The measure of chemical energy in cells and in food the energy available from high energy bonds in organic molecules
Answer: Cellular respiration
Explanation: