Answer:
b
Explanation:
If there are 49 pairs you would have to multiply it by 2 to get your original number.
The fundamental and functional elements of genetics are called genes. it is composed of thread-like DNA structures found in the coiled form. Genes direct the formation of the proteins required for cellular activities.
0 thymine bases will be included in the RNA strand.
How to know the number of nucleotide bases?In a DNA or RNA molecule, the number of nucleotide bases is given by Chargaff's rule. Nucleotide bases are the structures of the purine and the pyrimidine rings.According to the base-pairing rule, an adenine base will always pair with thymine in DNA and uracil in the RNA molecule similarly the guanine will bond with the cytosine in the DNA or RNA molecules and vice versa.As the RNA molecule does not have thymine but codes for uracil will not base pair with the complementary adenine base.Therefore, option d. 0 thymine will be included in the RNA strand.
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The tides of the ocean result from the gravitational pull on the Earth by the Sun and
A
B
C
D
Answer is b.the moon
A dominate trait is the weaker, stronger, neither weak or strong, trait.
Answer:
strong .
Explanation:
Because domnat trait always dominant recessive genes
Which of the following statements correctly summarizes the process of photosynthesis?
A. Reactions and the Calvin Benson cycle of the grana release oxygen into the atmosphere.
B. Light dependent reactions convert CO2 to carbohydrates, which light independent reactions use to produce NADPH2 and ATP.
C. CO2 is converted to carbohydrates through reactions fueled by products from the light independent reactions.
D. Reactions in the thylakoids capture free energy from sunlight and use it to convert glucose and oxygen to water and carbon dioxide.
The correct statement would be 'CO2 is converted to carbohydrates through reactions fueled by-products from the light DEPENDENT reactions'. Photosynthesis produces simple carbohydrates.
What is photosynthesis?Photosynthesis is a series of chemical reactions by which plants can produce simple carbohydrates by using the energy from the sun and carbon dioxide.
Photosynthesis has two types of reactions: light-dependent reactions and light-independent reactions.
Light-dependent reactions produce energy (mainly in the form of ATP), whereas light-independent reactions produce carbohydrates (i.e., glucose).
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Light-sensitive cells that produce nerve impulses are found in the _________________________.
Answer:
They are found in the retina
Answer:
I think retina is the answer
Which pair of terms could apply to the same organism?
Select one:
A. producer and omnivore
B. carnivore and producer
C. scavenger and herbivore
D. consumer and carnivore
Answer:A
Explanation:
Producer and omnivore
Which of these is responsible for the increase in average global temperatures?
Answer:
Global warming is usually the reason for the increase of global temperatures
Explanation:
Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels
Why Is DNA important for protein synthesis?
Answer:
The most important function of DNA is its ability to replicate itself repeatedly.
Explanation:
DNA makes RNA makes Protein. As you have learned, DNA is the genetic material of your cells and holds the information for making all the different proteins of your body. ... Translation converts the information in a series of three letter words in the mRNA into a sequence of amino acids, the building blocks of proteins.
DNA is important for protein synthesis because it holds all the genetic information necessary to synthesize all proteins of the cells that it required.
What do you mean by Protein synthesis?Protein synthesis may be defined as the process by which cells make proteins that are required for their metabolism and function.
DNA is the primary genetic material contained in the cell of all organisms. It is used to create proteins during protein synthesis because central dogma reveals the importance of DNA in the process of protein synthesis. DNA is considered the root of the central dogma.
Therefore, DNA is important for protein synthesis because it holds all the genetic information necessary to synthesize all proteins of the cells that it required.
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Plants take in energy from__to__ sugar molecules in their leaves.
What are the sources of the energy that drives the earth’s processes?
Select one:
A. The sun and the earth’s interior.
B. The sun and chemical reactions.
C. The earth’s interior and chemical reactions.
D. The earth’s interior and gravity.
Answer:
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.
Explanation:
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What do the arrows in a food chain represent?
Answer:
Hey mate......
Explanation:
This is ur answer......
Arrows on a food chain, or food web, represent the flow of energy. The placement of the arrows in a food chain or food web is very important. The arrows always show the direction of the energy as it is transferred from one organism to another.
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Rachel Carson wrote in Silent Spring, "The chemical war is never won, and all life is caught in the crossfire." Respond
Answer:
Yes.
Explanation:
Yes, the statement is right because in chemical war, great damage occurs to all living organisms that has a bad effect on our environment. These chemicals are very dangerous so its usage in the war has long term effects on the environment and the organisms that live in it. Both the opponents receive great damage from this chemical war and the destruction of the natural beauty of the place vanished where this war occurs so this vanished of beauty and organisms is the defeat of both the opponents that fought this war.
Answer: What is the main idea of the excerpt?
The writer is concerned about the impact of chemicals on humans and animals.
Explanation: The new chemicals come from our laboratories in an endless stream; almost five hundred annually find their way into actual use in the United States alone. . . . Five hundred new chemicals to which the bodies of men and animals are required somehow to adapt each year, chemicals totally outside the limits of biologic experience.
–Silent Spring, Rachel Carlson, 1962
What is the main idea of the excerpt?
-The writer is concerned about the impact of chemicals on humans and animals.
-The writer is concerned about the future of America’s water quality.
-The writer is concerned about the future of America’s air quality.
-The writer is concerned about the impact of litter on the waterways.
What kind of bond holds the sugar-phosphate backbone of DNA together?
Answer: Covalent bonds or phosphodiester bonds.
Explanation:
Bases are held together by hydrogen bonds, and the DNA backbone is held together by phosphodiester bonds.
An__ is a variation of a gene For example.
Answer:
Genetic variation
Explanation:
Genetic variation refers to diversity in gene frequencies.
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need help with genotypes
Answer:
Homo, Hetero, Homo, Hetero, Homo, Homo, Hetero, Homo, Hetero, Homo, Homo, Homo
what are three pieces of evidence to support the theory of evolution?
Answer:
Explanation:
Anatomy. Species may share similar physical features because the feature was present in a common ancestor (homologous structures).
Molecular biology. DNA and the genetic code reflect the shared ancestry of life.
Biogeography.
Fossils
Biogeographical evidence, fossil evidence, and anatomical evidence are three pieces of evidence to support the theory of evolution.
What is evolution?Evolution states the changes observed in organisms over time, this makes benefits the organism for its survival.
Anatomical evidence, support the theory of evolution, by comparing the anatomical structure of related species. Fossil evidence also provides evidence that how organisms evolve from the ancestor species.
Biogeographical evidence provides major clues about the relation between extinct and alive species, this benefits the theory of evolution. All this evidence supports the life formation around the earth and the relationship between organisms.
Therefore, biogeographical evidence, fossil evidence, and anatomical evidence support evolution.
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Answer:Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
Explanation:
do all animals have the exact same structure to their digestive system?
Answer:
no they do not
Explanation:
Answer:
not all
Explanation:
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QUESTION 11
Something has happened in Susie's body to cause a mild case of metabolic acidosis. In an effort to maintain her rate of pulmonary ventilation to help raise her pH?
a. The rate of pulmonary ventilation does not have a significant effect on blood pH.
b. It should decrease.
c. It should increase.
One hot summer day Thomas left a glass of full of water outside when he went back to get it the next day half of the water was gone what type of interaction with the Earth system was this
Answer:
atmosphere-lithosphere
Explanation:
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how do humans cause climate forcing?
Explanation:
Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and the rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.
Which position would the Sun need to be in to make the shadow of the box look the way it does in the picture?
A
B
C
D
Answer is B
Answer:
Explanation: Não sei
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Explain what would occur if the population of an animal such as a beaver, changes the environment and can increase the number of individuals in that area. In other words, explain how a change to an environment can cause an increase in an animal population.
Answer: Some changes may cause a population to increase. If there are more plants than usual in an area, the population of animals that eat plants may increase. If one animal's population increases, the population of animals that eat that animal might also increase.
Explanation:
What are 5 examples of biotic factors? No answer choices please help!!!
Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
Answer:
deer, rabbits, fish, elephant, bird
Explanation:
What are the SIX parts of a DNA molecule?\
Answer:
DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine)
Explanation:
.
Trace the pathway of blood flow beginning with superior and inferior vena cava. Also, indicate what
kind of blood is contained in each part. (no links or I'll report
Answer:
look in the photo online it shows hope it helps
Explanation:
What makes up the "rungs" of DNA?
Answer:
combinations of the atoms form the four bases: thymine (T), adenine (A), cytosine (C), and guanine (G).
Explanation:
Helped by none other than the #Queen herself.
My gardener removed all the flowers from my tulip plants. This will interfere with which system of the tulip plant?
vascular system
anchorage system
reproductive system
excretory system
Answer:
reproductive system
Explanation:
The flower of any plant is the reproductive unit of that plant. On other words, it is the part responsible for sexually propagating that plant. The flower of a plant contains the male and female reproductive organs i.e. pollen and ovary. Therefore, Flowers are integral parts of the reproductive system in plants.
According to this question, a gardener removes all the flowers from tulip (
Which would be true of sexual reproduction?
a
increases survival rate
b
involves one parent
c
increases genetic diversity
d
produces identical offspring
Answer:
c increases genetic diversity
Explanation:
Answer:
C. increases genetic diversity
Explanation:
First, by process of elimination: sexual production doesn't necessarily increase survival rate, it can, but not always. Sexual reproduction involves two parents, so b is wrong. And sexual reproduction doesn't produce identical offspring, because it's mixing the genes from both parents, do d is wrong. That only leaves c, with two parents, the gene pool is always expanding, and with less chance of mutation
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Pollutants can enter a body of water at a specific, identifiable location.
Which term describes this type of pollution? *
inorganic wastes
biological pollutants
point-source pollution
nonpoint-source pollution
Answer:
C
Explanation:
it is called point because the source can be identified