T-T-G
Thymine pairs with Adenine & Uracil
Guanine pairs with Cytosine
In the past 150 years, CO 2 emissions have risen by nearly 50%. What has dramatically increased during this time that has led to this increase in CO 2
Reliance on fossil fuels like coal, natural gas and oil has led to the increase in CO₂.
What is Fossil fuel?These are hydrocarbons which are formed from plant and animal remains and are burned as fuel.
When burned they give out gases such as carbon dioxide due to its organic content which has led to its increase over the years.
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You are knowledgeable about cellular metabolism. Which of the following processes is common to fermentation, anaerobic respiration, and aerobic respiration?
a. glycolysis
b. the Krebs cycle
c. the electron transport system
d. glycosylation
Answer:
the electron transport
It can be seen on a cladogram that modern birds and reptiles share a common ancestor. Select the piece of evidence
that best supports this idea.
O Reptiles are also related to mammals,
O Birds have evolved into many groups
Feathers are a derived characteristic that first evolved in reptiles
Birds have the derived characteristic of being warm blooded, like mammals,
The answer is: Feathers are a derived characteristic that first evolved in reptiles.
Answer: C
Explanation:
It can be seen on a cladogram that modern birds and reptiles share a common ancestor. The piece of evidence that best supports this idea is Feathers are a derived characteristic that first evolved in reptiles.
Both today's birds and ancient reptiles had feathers.
write down the function of gynoecium
Answer:
The female reproductive organ of angiosperms, the gynoecium, often consists of the fusion of multiple ovule-bearing carpels. It serves the important function of producing and protecting ovules as well as mediating pollination.
Explanation:
Hope it helps(・∀・) Correct me if I'm wrong(๑•﹏•)
If a person inherits genes for a dark complexion and blue eyes from their parents, what aspect of inheritance does this refer to
The answer is Genotype.
What is Genotype?-
A phenotype is an individual's observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.
When a force causes an object to move in the direction of the force __ has been done
Speed
Energy
Work
Power
Answer:
Work
Explanation:
Work is the amount of motion or goal a force has caused to occur. if two equal forces act is opposite directions. No work is accomplished.
Answer:
Work
Explanation:
hope this helps
Please help me
Mendelian Genetics - Punnett Square
In humans, curly hair is dominant over straight hair. A woman heterozygous for
hair curl marries a man with straight hair and they have four children. Predict
their childrens" genotype and phenotype.
Answer: Look at the image bellow because I couldn't add an answer due to a glitch. Hope this helps!
Name one activity that humans do that causes weathering
Answer:
burning coal
Explanation:
hop this is helpful
What is a trophic level?
A. the amount of energy that an organism uses to survive in an ecosystem
B. all of the nonliving things in an ecosystem
C. a model used to show the types of organisms in an ecosystem
D. a living organism's position in the flow of energy through an ecosystem
Answer:
D. A living organisms position in the flow of energy through an ecosystem.
Explanation:
Its like each step up in the food web/pyramid.
Trophic level is a living organism's position in the flow of energy through an ecosystem. The correct option is D.
A biological organism's place or function in the movement of energy through an ecosystem is referred to as its trophic level. It symbolises the ecological community's hierarchy of feeding.
A trophic level's inhabitants have comparable feeding habits and occupy a certain place in the food chain.
The first trophic level is occupied by the primary producers, including plants and algae, which use photosynthesis to transform sunlight into energy.
The second trophic level is occupied by herbivores that consume producers directly, followed by primary carnivores (predators that consume herbivores) on the third level, and so forth.
A complex network of energy flow and nutrient cycling occurs within an ecosystem at each trophic level as creatures consume and are consumed by one another.
Thus, the correct option is D.
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What evidence can we now bring to your boss? Is there evidence of all three types of organism interactions in the ocean ecosystem?
The three types of organism interactions in the ocean ecosystem include plankton, nekton, and benthos.
What is an ecosystem?Your information is incomplete and an overview will be given. It should be noted that an ecosystem simply means a geographic area where plants, animals, and every other organisms work together to form life.
In this case, the three types of organism interactions in the ocean ecosystem include plankton, nekton, and benthos.
Plankton drift with the ocean currents and are small in size. Benthos are organisms that lice in seafloor and nekton swim on the current and have bladder that allows them to float.
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What happens when 2 objects fall in a tight closed room?
Answer:
all objects free fall at the same rate regardless of their mass.
Explanation: Heavy objects fall at the same rate (or speed) as light ones
In terms of atomic structure, how are the elements of a periodic table group related?
If you take a look at the s-, p-, and d-block elements part of the periodic table, you'll see that they are arranged into 18 numbered columns, or groups. The elements in each group have the same number of valence electrons. And because of this, elements in the same group often display similar properties and reactivity.
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What is the difference between binary fission and cytokinesis
Answer: Binary is as3x7al reproduction by a separation of the body into new bodies .
Cytokenisis : The process by which one cell physically divides into two cells. 4 places in four stages basically what it does by first second etc initiation , contraction , membran3 insertion and completion,
Weathering, erosion, and deposition are three natural processes that change the face of the Earth.
Look at the three examples below and identify which process they each represent.
Explanation:
Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away. No rock on Earth is hard enough to resist the forces of weathering and erosion.
7 Use the information and your knowledge of science to answer the question.
During an investigation, two German Shepherds with long hair were each bred with a German shepherd with short hair in
a first-generation cross. The offspring from each first-generation cross were then bred to produce a second-generation
cross
Which questions could be answered using the results of this investigation?
The questions which could be answered using the results of this investigation include:
Is hair length in German shepherds a dominant or recessive trait?Is long hair in German shepherds an inherited trait?What percentage of offspring in the second generation of German Shepherd's are homzygous for the recessive hair length trait?What is an Investigation?This involves the process of searching for facts in order to solve a complex situation.
The cross breeding of the two German shepherds with various features will give rise to the questions given above.
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Write short notes on Red panda.
What are the minimum energies of the two oppositely directed gamma rays in a pet procedure?.
Answer:
0.51 1 MeV
Explanation:
-mec2 is the rest energy of the electron (0.511 MeV)
-Pair production and triplet production are followed by the annihilation of the positron with a ‘free’ electron producing two annihilation quanta, most commonly with an energy of 0.511 MeV each and emitted at 180º from each other to satisfy conservation of energy, momentum and charge.
Most water is reabsorbed from the filtrate by which region of the nephron?.
The main function of the nephron is to regulate water and other substances within the body where 67% of filtered water is reabsorbed in the proximal convoluted tubule by osmosis.
What is a nephron?It is a complex structure made up of elements such as the loop of Henle, the distal convoluted tubule, the proximal convoluted tubule, and the renal glomerulus.
Through the afferent arterioles, the blood plasma reaches Bowman's capsule, where the glomeruli are located, then the filtered fluid goes up to the proximal convoluted tube for another filtration to take place and part of the water is reabsorbed, the glucose, sodium and amino acids.
Therefore, we can conclude that water reabsorption along the nephron follows solute reabsorption and occurs in the proximal convoluted tubule by osmosis.
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How do the kidneys compensate for acid-base imbalances?.
Kidneys compensate for acid-base imbalances by : Reabsorbing HCO₃ from urine back to the blood and also secreting H⁺ back to the urine.
Acid-base ImbalanceWhen the amount of acid or base produced in the human body is greater than or less than the required amount of acid or base, and the rate of excretion by the kidneys is above or below normal, the body will experience an Acid-base imbalance situation.
To correct acid-base imbalance in the body the kidney will reabsorb HCO₃ form the urine and while secreting Hydrogen ions back to the urine.
Hence we can conclude that Kidneys compensate for acid-base imbalances by : Reabsorbing HCO₃ from urine back to the blood and also secreting H⁺ back to the urine.
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Which of the following explains why animals need more food when it is cold?
True or False water particles are not actually water molecules
True or false
True because the water molecules are only present in condensation processes and within droplets of water.
What is the difference between a bacterial chromosome and a plasmid?.
one of the following parts of cell is common to all type of cells.
A. Cell Wall
B. Large vacuole
C. Small Vacuole
D. Chloroplast
The magnetic force will push magnets apart if you hold the
Your answer:
north poles of two magnets close together.
south poles of two magnets close together.
north pole of one magnet near the south pole of another magnet.
Both (a) and (b)
Answer:
D. both a and b
Explanation:
If you hold the north poles of two magnets close together, the magnetic force will push the magnets apart. The same is true if you hold the south poles close together. If you hold the north pole of one magnet close to the south pole of another magnet, the magnetic force will pull the magnets together.
How does an activated receptor transfer information into the cell?.
Answer:
by altering the ligand-binding site of the receptor - by increased translation of the receptor - by decreased phosphorylation of the receptor - through a conformational change of the receptor...
Explanation:
The function of rRNA is to
synthesize mRNA
synthesize DNA
form ribosomes.
transfer amino acids to ribosomes.
Kathy has been exercising vigorously for the past half hour. Her body feels sore and she feels pain in her limbs. What could be the reason for this?
A.
Accumulation of lactic acid in the muscles of her limbs
B.
Accumulation of alcohol in the muscles of her limbs
C.
Accumulation of CO2 in the muscles of her limbs
Answer:
I think the answer is C.
Explanation:
Your body will feel weak if that happens.
The sum of the genetic traits in this population is called its V gene pooly. COMPLETE In guinea pigs, fur length is controlled by one gene. The Fallele generates long fur and the f allele generates short fur. Because only one F copy is needed to show the trait, if a guinea pig has the FF or Ff allele combination, they will have long fur. If they have the ff allele combination, they will have short fur. There is a total of 7 8 alleles in this population, There are 5 Falleles in the population. There are 3 ✓ falleles in the population. Look at the data for a guinea pig population to answer the following questions. COMPLETE Guinea pig 1: Long fur (FF) Guinea pig 2: Short fur (ff) If having long fur helps a guinea pig survive, what would you expect to see change in the population as it evolves? Guinea pig 3: Long fur (FF) DONE Cuinas nin 1. Innn fuar (Cf)
If having long fur helps a guinea pig survive, then it is expected to see the F allele is more common in the population as it evolves.
What is natural selection?Natural selection can be defined as the process of differential survival and reproduction of the fittest organisms.
The fittest organisms are life forms that have allele combinations favoring their survival and reproduction.
In this case, the F allele is an adaptive allele associated with higher fitness in the population.
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Helium has an atomic number of two because it has two ____________ . A atoms B protons C neutrons D molecules
Answer:
The answer to that question is A
Which process is a characteristic of all living things and is responsible for differences within a population?
growth
fertilization
development
reproduction
Answer:
All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.
Explanation:
All living organisms (whether they are bacteria, archaea or eukaryote) share several key characteristics, properties or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation (including homeostasis), energy processing, and evolution with adaptation.
