Answer:
Explanation:
Some especies are protected by law from being hunted because if there not people would just keep on hunting them to extinction and also these kind of species are rare because people hunted alot of them
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Which of the following explains the relationship of marbling to grade of beef?
the lower the amount of marbling, the better the quality of the carcass
the lower the amount of marbling, the higher the grade of the carcass
the more abundant the marbling, the higher the grade of the carcass
O the more abundant the marbling, the poorer the quality of the carcass
Answer:
the lower the amount of marbling, the higher the grade of the carcass
Explanation:
Suggest ways you could determine if two similar species are mimics in nature
Answer:
i dont speak english sorry
Explanation:
:/
PLEASE HELP ME WITH THIS QUESTION
Answer:
I Think, point no.4 is answer.
Describe three proteins that are produced by genes.
Explanation:
coding regions, called exons, which specify a sequence of amino acids.
non-coding regions, called introns, which do not specify amino acids.
regulatory sequences, which play a role in determining when and where the protein is made (and how much is made)
Answer:
1. coding regions, called exons, which specify a sequence of amino acids.
2. non-coding regions, called introns, which do not specify amino acids.
3. regulatory sequences, which play a role in determining when and where the protein is made (and how much is made)
Explanation:
Which phrase describes an ecosystem?
A) a population of fish in a small lake
B) the wood of a rotting log
C) an entire desert, including abiotic and biotic factors
D) the community of organisms within a desert
Answer:
an entire desert, including abiotic and biotic factors
Explanation:
A ecosystem is a place where living things live.
Hope this helps <3
Which type of cone can conifer seed be found?and why is that?
Answer:
Cone-bearing conifers, or pinophyta, are classified as gymnosperms (naked seeded) because their ovules and seeds are not enclosed within ovaries or found within protective fruit coverings.
Explanation:
Hope this helps
Crown me as brainliest:)
ALOT OF POINTS
How do the sizes of sizes of lynx and hard affect each other?
Answer: When the population size of the hate increases there is more food for the links to eat. As a result the links population also increases. The large links population will kill more hairs so the hair population decreases this will also cause the hair population to decrease.
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is your name darel ibyibewbyqybyubycbywb
Answer:
hello i don't think my name is darel
Explanation:
High tide is occurring on the sides of the Earth that are_______.
A. -experiencing sunrise and sunset.
B. -closest to and farthest from the Sun.
C. -halfway between the Sun and the Moon.
D. -closest to and farthest from the Moon.
High tide is occurring on the sides of the Earth that are closest to and farthest from the Moon. The correct option is D.
What is high tide?When the sea or a river reaches its greatest level and moves the farthest up the beach or the bank, it is said to be at high tide.
The gravitational forces that try to pull the water away from the moon are resisted by the water that is travelling away from the moon.
On the far side of the Earth, where the moon's gravitational pull is weaker, inertia triumphs, the ocean swells, and high tide happens.
The rise and fall of the sea's surface on a regular basis is what tides, which start in the oceans, appear as as they move toward the coastlines.
High tide is when the wave's highest portion, or crest, reaches a specific area; low tide is when the wave's lowest portion, or trough, happens.
Thus, the correct option is D.
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Select the correct answer. Claire, an ecologist, is finding it difficult to identify an interaction in nature because of changing environmental conditions and the complex indirect interactions of multiple species. Which interaction is Claire trying to find in nature?
Answer:
e
Explanation:
Good luck!
Answer:
apparent competition
Explanation:
This is the correct answer for Edmentum
A population of rabbits has individuals with fur coloring that ranges from white to brown. The population lives in a temperate deciduous forest where the summers are mild and average about 50 degrees Fahrenheit. The winters are often below freezing.
If warmer temperatures last longer into the fall and the average temperature in the winter is getting warmer, what do you expect to happen to the population?
A) The percentage of the population with brown fur will decrease.
B) The percentage of the population with white fur will decrease.
C) The percentage will increase in size, but the color percentages will remain unchanged.
D) The percentage will decrease in size, but the color percentages will remain unchanged.
Answer:
The answer is B.
Explanation:
If warmer temperatures last longer there will be no need for the white fur
How is mass related to acceleration? A) There is no relationship. B) The greater the mass of an object, the greater its acceleration. C) The greater the mass of an object, the lesser the acceleration. D) It is always different.
Answer:
c. the greater the mass of an object the lesser the acceleration
Explanation:
As the mass of an object is increased, the acceleration of the object is decreased.
Higher energy contained in the sugar molecules produced by photosynthesis comes from
A. light
B. water molecules.
C. ΑΤΡ.
D. carbon dioxide molecules.
Answer:
A
Explanation:
light
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The mitotic spindle and microtubules were not present in the mitosis models; describe their process throughout the steps of mitosis.
Answer:
Following are the solution to this question:
Explanation:
In a spindle in prophetic (mitotic apparatus) spindle, pulley and cellular membranes form at the kinetochore of metaphase genes intended besides separation of anaphase daughter chromosomes.
Even though the cycle of creation of the cells move towards opposite poles, microtubules gradually form a network between them, and its duplicate chromosomes would be later removed.
From a single fertilized ovum undergoing a series of rapid cell divisions, a human infant develops. The embryonic cells become specialized for a variety of functions. Which of these statements best describes how different cell types develop?
A. Each cell type contains only the active parts of the DNA needed for that cell type.
B. Each cell has multiple copies of DNA that are affected in different ways by the environment to change the function of the cell at regular intervals.
C. Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells.
D. Each cell type has only one chromosome containing thr DNA needed for that cell type.
Please help ill give you 5 star and brainliest.
Answer:
Answer is C
Explanation:
Each cell has an identical copy of DNA with enzymes controlling the expression of specific genes leading to a variety of cells
The statements 'each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells' BEST describes how different cell types develop (Option C).
Epigenetics refers to any change in gene expression that does not involve a change in the nucleotide sequence.In an organism, all somatic cells are genetically identical, thereby changes in gene expression are due to epigenetic modifications.These epigenetic modifications include DNA methylation and histone modifications (e.g., histone acetylation, histone methylation, etc).Enzymes that add specific epigenetic marks such as histone acetyltransferases alter the accessibility of transcription factors to chromatin, thereby activating or repressing gene expression.In conclusion, the statements 'each cell has an identical copy of DNA with enzymes controlling the expression of specific genes, leading to a variety of cells' BEST describes how different cell types develop (Option C).
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What’s the answer ? Pls just help yall I’ll mark the brainliest if your willing to help
Answer:
answer is d.
hope this helps u
What function does the egg serve in a birds development?
Influenza (the flu) is caused by a virus that attacks the respiratory system. Which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus?
Answer:
The gene that controls production of white blood cells.
Explanation:Gene expression within the body is controlled by the cells, which determine when a specific gene should or should not be expressed. Influenza (the flu) is caused by a virus that attacks the respiratory system
In lab this week we observed a frog dissection. I love the frog dissection because many of the frog's organs look very similar to a human's organs! Let's think back to the frog's digestive system. The frog's digestive system is very similar to a human's digestive system, but not exactly the same. For your post, imagine that a frog eats a fly. Write the path the fly would take through the frog's digestive system, starting with the mouth and ending with the cloacal opening.
Answer:
Mouth, esophagus, stomach, small intestine and large intestine.
Explanation:
Digestive system of frog starts in the mouth and ends at the cloaca which means the enzymes present in the mouth start break down of food eaten by the frog. After food enters the mouth, it goes to the esophagus and then to the stomach. From there, it forwarded to the small intestine, where food becomes broken down and all nutrients extracted from it. it then goes to the large intestine, which absorbs remaining water.
Which of these are common theories that explain how the First Americans came to North and South America?
Check all that are true.
They traveled across the ocean on boats.
They built a land bridge.
They rode across the ocean on large animals.
They migrated across Beringia.
Answer:
I'm pretty sure they migrated across Beringia with a land bridge... Let me know if I am wrong!
Explanation:
B and D
Discuss how a pathogen causes an infection. Include definitions for primary pathogen, opportunistic pathogen, infection, disease (caused by a living organism), and various stages of pathogenesis. You can choose a specific organism to describe
Answer:
Infections are generated by pathogens, pathogens that generate a rare invasion triggering an extremely risky condition for the host, opportunistic infections are usually caused by highly pathogenic microorganisms with high resistance mechanisms and are really serious signs and symptoms.
Primary pathogen is one that colonizes in a primary way by forming a biofilm or a microbiological ecosystem.
The great difference between infection and infectious disease is that the infection is the presence of microorganisms that cooperate and live with the host without generating pathology, whereas infectious disease is when these microorganisms generate a pathology or condition in the host.
Explanation:
The pathogenesis are different stages that make up the ability of a microorganism to get sick, an example is prevotella parvula or treponema denticola that during pathogenesis they quickly invade the tissues due to their movements, in addition to the tissues such as the mucosa they generate an immune distraction that release toxins in different areas to the invasion.
These are pathogenicity mechanisms, that is, how the microorganism does to be able to invade the tissues in the most oppressive way.
how do mutations and natural selection lead to resistant populations of bacteria
Answer:
Mutations are one way for bacteria to become resistant to antibiotics. Some spontaneous mutations (or genes that have been acquired from other bacteria through horizontal gene transfer) may make the bacterium resistant to an antibiotic (See: Resistance mechanisms for information about how bacteria resist antibiotic action). If we were to treat the bacterial population with that specific antibiotic, only the resistant bacteria will be able to multiply; the antibiotic selects for them. These bacteria can now increase in numbers and the end result is a population of mainly resistant bacteria.
Explanation:
Clue 1:
a. DNA is made of nucleotides.
b. Protein is made of amino acids.
c. DNA is located exclusively in the nucleus.
d. Protein is synthesized exclusively in the cytoplasm.
1) What two problems does the transfer of information from DNA to protein need to overcome?
a.
b.
Answer:
The two problems that the transfer of information from DNA to protein must overcome are:
How to bring the information from the nuclear DNA to the place of protein synthesis? How to convert this DNA information into amino acids and then into proteins?Explanation:
The genetic information is found in the DNA and depends on a specific sequence of nitrogenous bases. This information is transcribed into the messenger RNA, whose base sequence is organized into triplets and codons, each of which encodes an amino acid, as well as establishing the pattern for starting and stopping the synthesis of a protein.
How to bring the information from the nuclear DNA to the place of protein synthesis?The DNA must be transcribed into messenger RNA (mRNA), a process that occurs in the nucleus of the cell. mRNA leaves the nucleus and travels to the cytoplasm, where amino acid synthesis will take place.
How to convert this DNA information into amino acids and then into proteins?Once in the cytoplasm mRNA binds to ribosomes, structures in charge of translating the sequence of nitrogenous bases RNA to synthesize amino acids. The set of ribosomes and rough endoplasmic reticulum are in charge of the assembly of amino acids to produce peptides and proteins.
identify the types of orchard farm
What is the effect of the presence of double bonds in plant lipids?
A) the double bonds do not affect the properties of plant lipids
B)the double bonds cause plant lipids to freeze more quickly
C)the tails of plant lipids cannot pack as tightly together as animal ones
Answer: Option C.
C)the tails of plant lipids cannot pack as tightly together as animal ones
Explanation:
The tails of plant lipids cannot pack as tightly together as animal ones because the double bond in plant lipids make the hydrocarbon chains to bend making them no to pack tightly together which cause a reduction in van der Waals interaction between the fatty acids. The length of the double bond also affect the melting point of fatty acids . If the hydrocarbon chain is long, melting point will be high .
Need help! 40 points!
Answer:
Row 3 should be it.
Explanation:
Which of the following is most likely to be an energy source for the cells of a living thing?
А. DNA
B. enzymes
С. disaccharide
D. amino acids
The most likely to be an energy source for the cells of a living thing is a disaccharide (Option C).
A disaccharide is a carbohydrate composed of two monosaccharide units.
Cellular respiration refers to a series of metabolic reactions by which cells produce ATP, the energy coin of the cell.
Monosaccharides (e.g., glucose) represent the main source of energy used by cells during cellular respiration.
In conclusion, the most likely to be an energy source for the cells of a living thing is a disaccharide (Option C).
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You dilute an unknown sample of bacteria to 1 x 10-6 and plate out 10 onto a Petri dish. The next day you count 64 colonies. The number of viable bacteria in the original sample was:___________. a. 6.4x105 cells/ul b. 6.4x 106 cells/ul c. 6.4 x 107 cells/ul d. 6.4 x 108 cells/ul
Answer:
b
Explanation:
The correct answer would be 6.4 x [tex]10^6[/tex] cells/ul.
For 1 x 10-6 dilution, the plating factor is [tex]10^6[/tex]. To find the number of bacteria in the original sample, the plating factor is multiplied by the colony count per ul.
Number of viable bacteria = plating factor x colony count/ul
Since 10 ul gives 64 colonies. 1 ul will give:
64/10 = 6.4 colonies.
Therefore, the viable bacteria in the original sample = 6.4 x [tex]10^6[/tex] cells/ul
The correct option is b.
Question 2 of 9
Corn seeds were germinated (grew and put out shoots after a period of dormancy) in a dark room
placed in the light, 75 of these seedlings turned green. Which conclusion about chlorophyll (the
plants can most reasonably be drawn from this information?
(1 point)
DA. Light is the only factor that controls the production of chlorophyll
.
B. Darkness is the only factor that prevents the production of chlorophyll.
IC Light and vitamins are necessary for chlorophyll production.
D. Light and some other factor are necessary for chlorophyll production.
----Page 2 of 9----
Answer:
The correct answer is option D. Light and some other factors are necessary for chlorophyll production
Explanation:
By this experiment, it is clear that light is the major factor that helps in the production of chlorophyll in seedlings or plants. In this study, placing the seeds in the light turns 75 seedlings green which is possible by the production of the green pigment, chlorophyll only. So, it is proved that light is a key factor in the production of chlorophyll.
Besides light, there must be some other factors (mineral nutrition and chemical metabolites) that also play role in the production of chlorophyll or increase or decrease of the chlorophyll production as few seedlings did not turn green in the study.
it is impossible for humans to be at the bottom of the food chain
Answer:
True, because humans are not producers
Explanation: