Answer:
a
Explanation:
i looked it up
The molecules found in the DNA and RNA are adenine, quinine, cytosine, and thymine. Therefore option “A” is correct.
What are nucleotides?Nucleotides are the main constituents of DNA and RNA. The chemical structure of nucleotides is pentose sugar, nitrogenous base, and phosphate bonds. The nitrogenous bases are of two types purine and pyrimidine. Pyrimidine bases are cytosine, uracil, and thymine whereas adenine and guanine are purines. In DNA, deoxyribose pentose sugar is present whereas in RNA ribose pentose sugar is present.
The phosphate bond in nucleotide is an energy-rich ester bond. When the nitrogenous base is attached to the pentose sugar the structure is known as a nucleoside. When a nucleoside attached to the phosphate group is known as the nucleotide.Adenine bonds with thymine with two bonds where as cytosine bonds with guanine with three bonds.
Hence, a nucleotide is the functional unit of DNA and RNA.
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The function of which organ is most like the cell walls of bacteria
Answer:
The skin
Explanation:
because it protects the internal organs just like the cellwall of the cell
Which nitrogenous bases are needed to complete the DNA strand pictured below? Give your answer in order, from top to bottom.
Global warning is most closely associated with
Answer:
Fossil fuel
Explanation:
Human usage of fuel
Fill in the information missing in the table to the
right by selecting the appropriate answer from the
drop-down menu.
A
Carbo-
Nucleic
Lipids
Proteins
hydrates
Acids
store surround transport,
energy, and protect
provide
carry genetid
information
provide cells structure
determine
support regulate and support,
the structure
and
cell
help
of proteins,
А functions, chemical
insulate the reactions
and help
build
body, and happen, and
B
с
proteins
B
Function
С
D
E
Example
D
fats, oils
hemoglobin
E
DONE
Intro
D
Answer:
A
Explanation:
Because yea
The half-life of a material increases with the amount of material present.
Please select the best answer from the choices provided
OT
OF
Answer:
t
Explanation:
.......
What is the carrying capcity for these rabits
10
15
45
65
Answer:
there carrying capacity is 65
Explanation:
the graph is basically the answer it stops at 65
SERE
Explain how using non-local resources has affected the United States both environmentally and economically.
Answer: Possible economic consequences of using non-local resources include increased costs of resources, loss of jobs, increased security risks, and a trade deficit.
Explanation:
Hope it helps you if not sorry
Sample Answer:
Possible environmental consequences of using non-local resources include the risk of oil spills as oil is transported over waterways, increased air pollution from water and land transportation of resources, and habitat loss that comes from pipeline construction and other infrastructures. Possible economic consequences of using non-local resources include increased costs of resources, loss of jobs, increased security risks, and a trade deficit.
Explanation:
What did the countries that signed the Kyoto Protocol agree to do?
O A. Stop using CFCs
O B. Stop depleting the ozone layer
O c. Reduce greenhouse gas emissions
O D. Ban CO2 use
Answer:
C
Explanation:
The countries that signed the Kyoto Protocol agreed to reduce greenhouse gas emissions (C) particularly carbon dioxide emissions, in an effort to combat climate change.
What is Kyoto protocol?The Kyoto Protocol is an international treaty under the United Nations Framework Convention on Climate Change that was adopted in 1997 in Kyoto, Japan (UNFCCC). The treaty seeks to address the issue of global climate change by establishing targets for reducing greenhouse gas emissions, specifically carbon dioxide emissions, from industrialized countries.
According to the Kyoto Protocol, developed countries must reduce their emissions by an average of 5.2% below 1990 levels by 2012. The protocol has been ratified by 192 countries, and signatories have implemented a variety of policies and strategies to meet their emissions reduction targets, including increased energy efficiency, increased use of renewable energy sources, and the implementation of emissions trading systems. The Kyoto Protocol is a significant step forward in terms of international cooperation and action on the critical issue of climate change.
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Name one of the people who's work contributed to Darwin's Theory of Natural Selection. In 2-4 sentences discuss that individuals work. In another 1-2 sentences who did that individuals work contribute/ relate to Darwin's Theory.
Explanation:
everything can be found in the picture
A boxer has been jumping rope for an hour. His leg muscles are burning and
he feels weak. Which substance is the most likely
cause of the burning he
feels in his muscles?
Answer:
anaerobic respiration takes place when you demand your muscles to do vigorous work. normally, aerobic respiration takes place but when energy is needed immediately, anaerobic respiration takes place. during anaerobic respiration,the body produces lactic acid, which leads to the burning sensation. your lungs deliver oxygen to the muscles much slower than the rate you need, since you're putting your muscles through an extensive exercise, and this leads to muscle fatigue.
Explain how the slow recovery of the bald eagle population likely affected the recovery of the salmon population
Answer:
Because if there is not many bald eagles around to hover on top of the water and hunt this gives an opportunity for the salmon population to expand without be constantly hunted
In translation, which of these is responsible for forming a peptide bond? Choose the correct answer.
DNA
tRNA
nucleus
ribosome
Maintaining a healthy lifestyle though diet and exercise is important
The overall process of photosynthesis can be written as the equation:
A. 6 glucose + 6 water --> 6 oxygen + 6 carbon dioxide + light
B. 6 water + 6 carbon dioxide (+ light) --> 6 oxygen + glucose
C. 6 oxygen + 6 water (+ light) --> 6 glucose + carbon dioxide
Answer:
the overall process of photosynthesis is written by the equation B.
Answer:
B. 6 water + 6 carbon dioxide (+ light) --> 6 oxygen + glucose
Explanation:
In words, the equation may be stated as: Six carbon dioxide molecules and six water molecules react to produce one glucose molecule and six oxygen molecules. The reaction requires energy in the form of light to overcome the activation energy needed for the reaction to proceed.
A student wanted to determine the evaporation rates of three liquids. She placed 50 mL of each
liquid outside for an hour on the same day and then measured how much liquid evaporated. Which
would improve the validity of this investigation?
A. Put all three liquids outside at the same time
B. Have 2 students work
Ctogether on the investigation
Change the time for Liquid 3 to 7:00–8:00 PM
he amount of liquids used
Answer: I believe its C
Explanation: 2 and 3 are the same times
Its better to change the time to get different results.
Which statement describes how osmosis is a significant part of sexual reproduction
Answer:
k
Explanation:
plant a is placed in a room by the window and plant b is placed on the open field. assuming all other factors remain constant (same amount of carbon dioxide and water), which plant will have a higher rate of photosynthesis? why? explain your answer.
Answer:
plant B
Explanation:
This is because plant B is exposed to more sunlight which is essential in photosynthesis.
so the chlorophyll is able to trap more sunlight. which will make it have a higher rate of photosynthesis.
Hope this helps please like and mark as brainliest
Put the following levels in order from simplest (1) to most complex (6).
Answer:
cell, tissue,organ, organ system, organism
WILL MARK BRAINLIEST
Answer:
the answer is 7
Explanation:
Im pretty sure it's 7
Which of the following are not marsupials? a. kangaroos. b. koalas. Opossums. d echidnas. Please select the best answer from the choices provided?
Answer:
echidnas
Explanation:
echidnas is not marsupials because it is a spiny insectivorous egg- laying mammal with a long snout and claws , native to Australia and New Guinea.Entre las células, aquellas que presentan cloroplastos con clorofila pueden ser catalogadas como...… A) ...Heterótrofas B) ...Carnívoras C) ...Autótrofas D) ...Herbívoras
Respuesta:
La respuesta correcta es: C) Autótrofas.
Explicación:
La clorofila es un pigmento verde que se encuentra en las cianobacterias y en células vegetales, dándoles a las plantas y algas su característico color. Se encuentra dentro de los cloroplastos.
La clorofila es una molécula de muchísima importancia para llevar a cabo la fotosíntesis, un proceso clave en la vida de las plantas y cianobacterias, ya que es la forma en la que obtienen los nutrientes que requieren para su supervivencia. El hecho de realizar fotosíntesis es lo que convierte a estos seres vivos en autótrofos, lo que significa que elaboran su propio alimento orgánico a partir de sustancias inorgánicas.
1. The role of bacteria in the carbon cycle is _________________
(a) breakdown of organic compounds (b) respiration
(c) absorption of nitrogen compounds (d) photosynthesis
Answer:
breakdown of organic compounds
Explanation:
Bacteria are responsible for maintaining the conditions of life as the earth by virtue of their powers of decomposition of plant and animal bodies by which the limited supply by C02 available for photosynthesis is replenished. Thus, they act as decomposers in the carbon cycle.
Prokaryotes and eukaryotes are similar in all of these aspects except
Answer:
The presence of DNA
Explanation:
Prokaryotes have a DNA strand (chromosome which looks a bit like a shoe lace )
Eukaryotes have their DNA stored in a nucleus
:)
what group from the food pyramid contains large amounts for making cell membranes
The group containing proteins and lipids from the food pyramid contains large amounts for making cell membranes.
Process occurs in the
mitochondrion. Produces CO2
what animal has the longest lifespan?
Answer:
Ans.The longest living mammal is the bowhead whale, which can live up to 200 years. Also known as the Arctic whale, this animal is big, and lives in cold waters so its metabolism is slow. The record age for bowhead is 211 years.
Some endoliths have lifespan as long as 10000years.
The following includes the steps that should be taken when blood is found at a crime scene EXCEPT
Answer:
confirm the point of origin
can you tell me about the respiratory system in more detail?
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
3. Which of the following is a risk factor for depression?
(2 points)
A sense of hopefulness
A major life change
Never having experienced depression before
Having no relatives with mood disorders
Answer:
major life change
Sometimes its hard to adapt to new life changes that your not happy with
Explanation:
major life change
Assignment: Determining Half-life Exploration
Data Table
Trial Amount Decayed Amount Left
1
50 50
2
26 24
3
12 12
4
6 6
5
3 3
6
3 0
Graph
Using the data from the table, make a graph of the number of atoms remaining after each trial.
Questions
1. How many trials did it take for half of the Virtualium atoms to decay?
1 trial
2. Suppose each trial equals 1,000 years. What is the half-life of Virtualium?
1000 years
3. Suppose each trial equals 1,000 years. After half (50) of the Virtualium cubes were removed from the box, about how long did it take for half of the rest of the cubes to decay?
5000 years
4. Imagine you have a radioactive sample containing both Virtualium and decayed atoms of Virtualium. After analysis, you find it contains 10 atoms of Virtualium and 40 decayed atoms. How old is your sample? (Hint: You must use the half-life of Virtualium determined earlier in the activity.)
It is 8000 years old.
Answer:
Ty<3
Explanation:
