Answer:
Hydrophobic Amino Acids.
Explanation:
Which of the following creates variation through and random combining of genetic information?
A. evolution
B. mutations
C. lateral gene transfer
D. reproduction
Answer:
B. mutations
Explanation
I believe this is the answer because even though mutations can be bad, there are also good as they can provide genetic variation to a population, which can result in the trait being passed to the offspring.
Answer:
D
Explanation:
Environments are covered with manmade structures like roads, buildings, and sewers. Green spaces such as parks, backyards, and undeveloped lots are scattered in among the developed areas instead of all connected together. Plants and animals have to deal with exposure to toxins from vehicles and loss of habitat and food sources. These are all ways that _______.
Answer:
Nonhuman life in an urban ecosystem differs from that in an undeveloped forest ecosystem
Explanation:
Answer: B
Explanation:
You want to use CRISPR/Cas9 to model a deletion mutation commonly found in cancer cells. Suppose you design two sgRNAs to this region of the genome. If Cas9 cuts DNA at 2 loci, what is the approximate size of the DNA fragment expected to be deleted
The approximate size of the DNA fragment expected to be deleted is equal to the distance between both loci (assuming linked loci).
What is CRISPR/Cas?The CRISPR/Cas tool is a genome editing system used to cut DNA in the lab with excellent precision.
The CRISPR/Cas system can cut several loci simultaneously according to the recognition sequence.
In conclusion, the approximate size of the DNA fragment expected to be deleted is equal to the distance between both loci (assuming linked loci).
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Which of the following techniques allows farmers to budget for improved cash flow and make agreements
dependent on future harvests?
A.)crop rotation
B.)seeding rates
C.)Oyield estimates
D.)Orecommended rates
Your screen cells are 3 at immediate spin and weak (W) at AHG. Your autocontrol is negative for both phases. Some of your antibody panel cells are 3 at immediate spin and negative at AHG. What should you suspect
If the auto control is negative for both phases and antibody panel cells are 3 at immediate spin and negative at AHG, then a cold antibody may be present.
What is molecular testing?Molecular testing refers to the strategies to find a given molecule in a sample (in this case antibodies).
The anti-human globulin (AHG) method is a test employed by blood banks to perform antiglobulin assessment.
In conclusion, if the auto control is negative for both phases and antibody panel cells are 3 at immediate spin and negative at AHG, then a cold antibody may be present.
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The phosphorus cycle differs from the biogeochemical cycles in that
it does not have an atmospheric reservoir.
it does not have an oceanic reservoir.
there is no assimilation of phosphorus.
there is no decomposition of phosphorus.
The phosphorus cycle differs from the biogeochemical cycles because it does not have an atmospheric reservoir.
Why phosphorus cycle differs from the biogeochemical cycles?
Phosphorous cycles move through several components of the biosphere, hydrosphere, and geosphere but not atmosphere whereas the biochemical cycle moves through all sphere.
So we can conclude that the phosphorus cycle differs from the biogeochemical cycles because it does not have an atmospheric reservoir.
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The phosphorus cycle differs from the biogeochemical cycles in that it does not have an atmospheric reservoir. Option A, This is further explained below.
What is the phosphorus cycle?Generally, the phosphorus cycle is simply defined as the planet's phosphorus being locked up in rocks and sediments and must be extracted by processes like weathering.
In conclusion, In contrast to biogeochemical cycles, the phosphorus cycle does not include an atmospheric reservoir.
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All of the following are ways in which DNA technology plays a role in medicine except
All of the following are ways in which DNA technology plays a role in medicine except examining paternity.
What is DNA?
This is referred to as deoxyribonucleic acid and contains genetic instructions in organisms.
DNA technology plays a role in medicine such as formulation of drugs, high yield crops etc.
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Cephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. what's this illustration of?
Options:
A. Analogous structures
B. Vestigial structures
C. Homologous structures
D. Missing links
Analogous structures is the illustration in cephalopod. Thus, the correct option is C.
A cephalopod eye, unlike a vertebrate eye, is focused through movement, similar to a camera or telescope lens, rather than altering shape like a human eye lens. The lens, which is totally internal, is nearly spherical, as is the eye.
What are the characteristics of cephalopod?Organs. They have three hearts, two of which transport blood to the gills and the other which pumps blood throughout the body. Their blood is blue because the protein hemocyanin binds oxygen.Color. Cephalopods have the ability to change the color of their skin at will. They can even use their skin to create elaborate patterns and forms. This is accomplished by the use of chromatophores, which are pigment-filled bags found in the skin. Nerves can change the color of the skin by controlling these chromatophores.Diet. Cephalopods are all carnivorous animals.Organs, tissues, or cells in the body that are no longer functional in their ancestral version of the trait are known as vestigial organs.
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The development of a new experimental method is most likely to change a theory if it makes it possible to
analyze samples when they are frozen.
perform the experiment in a different lab.
obtain and analyze results more quickly.
study a larger sample size than before.
The development of a new experimental method is most likely to change a theory if it makes it possible to study a larger sample size than before.
What is a theory?A theory is a scientific explanation of a phenomenon which is backed by strong experimental results.
We know that science is dynamic and theory changes with increasing evidence. Hence, the development of a new experimental method is most likely to change a theory if it makes it possible to study a larger sample size than before.
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Answer:
IT IS DDDDDD study a larger sample size than before.
Explanation:
ONEDGE 2023
All of the following are factors in natural selection except…
A.) Competition with other organisms
B.) Environmental changes such as climate shifts.
C.) Technological advances in food production
D.) Organisms selecting advantageous trays among their mates to pass along traits to their offspring.
Answer:
C.) Technological advances in food production
Explanation:
A closed ecosystem made by humans is called…
Answer: A closed ecological system for an entire planet is called an ecosphere.
Explanation: A closed ecological system for an entire planet is called an ecosphere. Man-made closed ecological systems which were created to sustain human life include Biosphere 2, MELiSSA, and the BIOS-1, BIOS-2, and BIOS-3 projects.
Answer:
An Ecosphere- according to the internet
Select the correct answer.
If pinecones are placed in water, they close up. But they open up in warm and dry conditions. How do pinecones benefit
from this characteristic?
A. It helps carry out photosynthesis efficiently.
B. It protects their seeds from unfavorable conditions,
C. It allows the plant to mature for reproduction.
D. It helps the plant take in nutrients from the environment.
i made this a question bc it doesn't make sense from anybody else's but i just got the right answer its B.
100 points + brainliest answer!!!
draw an ecological pyramid of an ecosystem that has twice as much biomass in producers as there is in primary consumers, twice as much biomass in primary consumers as there is in secondary consumers, and twice as much biomass in secondary consumers as there is in tertiary consumers
Explanation:
ecological biomass is shown on the figure above
PLEASE HELP IM STUCK
2. Which of the following is an inference?
A. You believe that a tree has 43 tree-rings by counting them.
B. You believe the moon has craters when you look through the telescope.
C. You believe the temperature is 75 degrees F by checking the thermometer.
D. You believe it rained when you see a mud puddle.
Answer:
D. You believe it rained when you see a mud puddle.
Explanation:
A. is incorrect because an inference is an educated guess, and counting 43 tree rings is a conclusion.
C. is also incorrect because you found the temperature with a thermometer, there was no inference made before checking it.
B. is incorrect; inferences are based on past experiences/knowledge, which looking through a telescope at craters on the moon is not doing. It does not disclose other means of reaching the conclusion.
D. is correct. Using skills of observation, you infer that the mud puddle could have been caused by rain.
You believe it rained when you see a mud puddle is an inference. Thus, option D is correct.
Inference is the process of drawing a conclusion from evidence. It is a type of reasoning that involves using existing information to make educated guesses about missing pieces of information. Inferences can be made in many different contexts, such as in everyday life, in literature, and in science.
In other words, an inference is a conclusion that is drawn from evidence. In this case, the evidence is the mud puddle, and the conclusion is that it rained.
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In a marine ecosystem, an already existing large population of purple coloured sea urchins increases as starfish eats other colours. Such a type or selection represents
Check for the attachment for the options
explain your answer
This type of selection represents Disruptive selection.
What is Disruptive selection?Disruptive selection is also called diversifying selection, describes changes in population in which extreme values for a trait that are favored over intermediate values.
So we can conclude that purple coloured sea urchins increases as starfish eats other colour, this type of selection represents Disruptive selection.
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A plant that is homozygous dominant for seed shape trait fertilizes a plant that is homozygous recessive for the same trait. Seed shape is a simple dominant/recessive pattern. Which statement will be true of their offspring?
A
All the offspring will be heterozygous for the trait.
B
50% of the offspring will be heterozygous for the trait.
C
All the offspring will all be homozygous for the trait.
D
50% of the offspring will be homozygous for the trait.
All the offspring from the cross illustrated will be heterozygous for the trait.
Monohybrid crossingAssuming the seed shape allele is represented by the allele A (a).
Homzygous dominant = AA
Homzygous recessive = aa
Crossing AA and aa:
AA x aa
Aa Aa Aa Aa
Thus, all the offspring will be heterozygous for the seed shape trait.
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Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step?
multiply 46 by 5/9
multiply 46 by 9/5
add 273 to 46
subtract 273 from 46
Answer:
The answer Is to multiply 46 by 5/9
Answer: A
Explanation:
In this formula, we need to put the value of F then subtract 32 from the given Fahrenheit value, which is 78.
And, we get the subtracted answer as 46. Now, we can get 46 from this step. After that, we need to multiply 46 by 5/9.
What is another natural process that could contribute to the evolution of a species genomes?
Answer: A natural disaster, such as an earthquake or a volcanic eruption, could affect the evolution of a species’ genome. These disasters could kill a large number of organisms at once, decreasing the genetic variation in the gene pool. In some cases, large populations may become separated, which can lead to several smaller populations evolving in different ways.
Explanation:
Komodo dragons are a species endemic to which country?.
Answer:
Indonesian
Explanation:
Indonesian is named after the island where humans spotted a dragon-like creature for the first time, the Komodo dragon is an endemic Indonesian species found on Komodo Island and its neighboring islands.
Which of the following shows the evolutionary relationships between organisms?
a
Branching tree diagram
b
Binomial nomenclature
c
Three-domain classification
d
Taxonomic key
Answer:
Branching tree diagram
Explanation:
It is also called phylogenetic tree of life it contains three branches Bacteria,Archaea,Eucarya
What is the difference between a food chain and a food web?
A. A food web shows multiple food chains that are interconnected.
B. A food chain shows multiple food webs that are interconnected.
C. A food chain is used when there are no decomposers present, a food web includes them and shows the recycling of nutrients.
D. A food web is only used when organisms that have multiple ways of getting energy are involved, such as Omnivores.
Answer:
A
Explanation:
A food web shows multiple food chains that are interconnected.
What idea did Francis Redi's experiment with the meat and maggots disprove?
*
a. biogenesis
b. spontaneous generation
c. endosymbiosis
d. primordial soup
Jenna wants to know which brand of new batteries last longest in her digital camera. She writes the following statement on her lab sheet: The most massive battery will last the longest. What part of her investigation has she written?
A
analysis
B
hypothesis
C
question
D
conclusion
Answer:
b- hypothesis
Explanation:
B, because you are writing what you think the outcome is. Which is a hypothesis.
Carlos makes maps of mountains and other landforms. Which branch of
science is most closely related to Carlos's work?
A. Life science
OB. Physical science
OC. Computer science
D. Earth science
Which event is caused by the transmission of waves?
OA. A sound echoes through a canyon.
OB. A fish in a pond looks larger than it is.
OC. A sound is heard through a door.
D. An image of a face appears in a mirror.
While touring a costa rican rain forest on vacation, dana learns that rainforests have the highest biodiversity of any ecosystem on the planet. the guide defines the term biodiversity for the group. which definition does she give
The diversity of life on Earth can be from genes to ecosystems, and can include the evolutionary, ecological, and cultural processes that keep life going. can be the definition that is used by guide.
What are the types of biodiversity?The biodiversity can be of the following three types:
Species diversity.Genetic diversity.Ecosystem diversity.The definition that is used by guide can be probably the diversity of life on Earth at all levels, from genes to ecosystems, and can include the evolutionary, ecological, and cultural processes that keep life going.
Thus, this is the definition that the guide can use to make it understand to Dana.
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What are other producers besides plants
Answer:
bacteria,moss and algae
What kind of hormones enter target cells and combine with intracellular receptors to form hormone-receptor complexes
The type of hormone that enter target cell is the Insulin, a nonsteroid hormone, binds with a cell membrane receptor causing activation of proteins inside the cell.
What are hormones?Hormones are defined as the body chemical messengers that helps to carry out biological processes in the body.
These hormones are secreted directly into the bloodstream where they enter target cells and combine with intracellular receptors to form hormone-receptor complexes.
A typical example of such hormone is the insulin.
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Pancreatic juice contains all of the following substances except: Question 7 options: a) pepsinogen. b) nucleases. c) amylase. d) chymotrypsin.
Pancreatic juice contains all of the following substances except nucleases. Thus, the correct option is B.
What are the enzymes that Pancreatic juice contains?Pancreatic juice contains enzymes like trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, amylase, and pepsinogen.
Pancreatic juice is secreted by the pancreas, which possesses a diversity of enzymes that helps in the digestion of proteins, fats, lipids, carbohydrates, etc.
Therefore, it is well described above.
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