Answer:
A. It lowers the pH of the water.
Explanation:
Carbon dioxide is a gaseous molecule found to be naturally present in air. It has the chemical formula, CO2. Carbon dioxide readily reacts with water to form carbonic acid (H2CO3).
This means that when the oceans absorb CO2 from the atmosphere, it reacts with the water and forms carbonic acid, which lowers the pH of the water body.
CO2 + H2O → H2CO3
Explain briefly why personal care professionals must study physical anatomy
Answer:
By understanding how the systems interact, you can determine the proper care for each individual patient and their specific symptoms. With a foundation of anatomy and physiology, you will have the building blocks to make the proper decisions and provide accurate and quality care
Explanation:
The activity of the pyruvate dehydrogenase complex is also controlled by phosphorylation. Pyruvate dehydrogenase kinase (PDH kinase) catalyzes the phosphorylation of a specific Ser residue on the E1 subunit of the enzyme, rendering it inactive. Pyruvate dehydrogenase phosphatase (PDH phosphatase) reverses the inhibition by catalyzing the removal of this phosphate group. The PDH kinase is highly regulated and its activity is influenced by various cellular metabolites. Indicate whether the following would activate or inhibit PDH kinase:
Inhibit or activate PDK?
NAD+
NADH
coenzyme A
acetyl-CoA
ADP
Answer:
Following are the response to the given question:
Explanation:
Active PDK:
Acetyl CoA
NADH
Inhibit PDK:
NAD+
coenzyme A
ADP
This same PDK is enabled and inhibits thru all the ADP, NAD+ and key enzyme Thorough assessment of Acetyl coA and NADP. In PDC, the methylation of its Ser residues, which have been catalyzed by PDK, inhibits the pyruvate dehydrogenase.
Question:
1. You are a molecular biologist employed with Star Labs and you are
responsible for leading the team to develop a vaccine for the novel
RNA coronavirus SARS-CoV-2. You know that the receptor binding
domain (RBD) of the spike protein is the part of the virus which B and T
cells of the immune system recognizes to mount the immune response.
Your colleague at a collaborating lab sends you a clone in ImL of LB
broth in an Eppendorf tube containing the gene for the RBD.
a) Briefly describe what is in the tube your colleague sent you,
(3 marks, max
40
words)
b) You wish to synthesize the RBD mRNA and protein fobjectives) with the
clone your colleague sent you. What type of vector would you use to
achieve this?
(1 mark,
write a paragraph that explains what the causes of Long term climate cycles are. Give examples
Explanation:
Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions.
Below are some of the regional impacts of global change forecast by the Intergovernmental Panel on Climate Change:
North America: Decreasing snowpack in the western mountains; 5-20 percent increase in yields of rain-fed agriculture in some regions; increased frequency, intensity and duration of heat waves in cities that currently experience them.
Latin America: Gradual replacement of tropical forest by savannah in eastern Amazonia; risk of significant biodiversity loss through species extinction in many tropical areas; significant changes in water availability for human consumption, agriculture and energy generation.
Europe: Increased risk of inland flash floods; more frequent coastal flooding and increased erosion from storms and sea level rise; glacial retreat in mountainous areas; reduced snow cover and winter tourism; extensive species losses; reductions of crop productivity in southern Europe.
Africa: By 2020, between 75 and 250 million people are projected to be exposed to increased water stress; yields from rain-fed agriculture could be reduced by up to 50 percent in some regions by 2020; agricultural production, including access to food, may be severely compromised.
Asia: Freshwater availability projected to decrease in Central, South, East and Southeast Asia by the 2050s; coastal areas will be at risk due to increased flooding; death rate from disease associated with floods and droughts expected to rise in some regions
Which is NOT a benefit of xenophyophores in a habitat?
1 They maintain benthic biodiversity.
2 They increase populations of isopods, mollusks, and crustaceans.
3 They churn up sediments that build up on the ocean floor.
4 They convert salt and iron into energy and nutrients.
The correct answer is 4. They convert salt and iron into energy and nutrients.
Explanation
Xenophiophores are large single-celled organisms generally found deep in the deep sea. They are characterized by being very delicate organisms, which makes it difficult for scientists who intend to study them since they are easily damaged by manipulation. However, in the studies that have been carried out on these organisms, it has been found that they are irreplaceable agents in the sediment deposition process and the maintenance of the biological diversity of benthic organisms. Also, it has been shown that in the areas where these organisms are found there are three to four times more benthic crustaceans, echinoderms, and mollusks than the equivalent areas not inhabited by these organisms. On the other hand, none of these studies has proven that They convert salt and iron into energy and nutrients. Therefore, the correct answer is 4. They convert salt and iron into energy and nutrients.
Homeostasis can adjust to changes in the external environment in a process called
Select one:
a. Thermoregulation
b. Ectothermy
C. Acclimation
d. Endothermy
e. Acclimatization
Answer:
I believe it's thermoregulation ?!
a. Thermoregulation is the most suitable answer
What is Homeostasis and Thermoregulation?Homeostasis is the process in which living things maintain a stable internal condition despite the changes in the environment.
Thermoregulation is the ability of an organism to preserve its body temperature inside certain boundaries, even when the surrounding temperature is very different.
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Plz help me well mark brainliest if you are correct!
Answer:
C
Explanation:
Metamorphosis is the action of moths and butterflies changing into a different form.
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Chloe is training for her first half-marathon, which requires her to run 21.1 km. Before she runs, she carefully chooses the foods that will give her the energy her body requires for the race. She stands still at the starting line, then she starts running, her body warming up as she runs. Which three energy transformations take place in this example?
A. chemical energy to kinetic energy
B. chemical energy to thermal energy
C. mechanical energy to chemical energy
D. potential energy to kinetic energy
Answer:
A. chemical energy to kinetic energy
B. chemical energy to thermal energy
D. potential energy to kinetic energy
Explanation:
Food produces chemical energy, standing still, potential energy, running kinetic energy and her body warming up is thermal energy(heat energy)
On a warm summer day, a beer is searching for something to drink. The deer is most likely responding to witch kind of stimulus?
A the external stimulus of heat
B. the internal stimulus of heat
C. the internal stimulus of thirst
D. the external stimulus of thirst. For BRAINLIST!!
Answer:
d
Explanation:
Answer:
D- The exyernal thirst of the stimulus.
Explanation:
Keystone predators often help maintain ecological stability in a community if they
A
competitively exclude other predators.
B
prey only on the least abundant species in the community.
с
prey on the community's dominant species.
D
allow immigration of other predators.
2021
TIL
1. Which process returns water to Earth?
photosynthesis
nitrification
fingecipitation
evaporation
Which is it?
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer: Evaporation
I hope this helped!
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Describe the differences between the forces of magnetism and gravity.
Answer:
Gravity is not the same thing as magnetism. They are in fact entirely distinct forces. Gravity is a force that works with weight between two objects. Magnetism can pull or separate the two objects, depending on how the magnets point.
Explanation:
Historically, the use of wells appears in the
A) Old Stone Age
B) New Stone Age
C) Bronze Age
D) Iron Age
E) Copper Age
Answer:
A) Old Stone Age
Explanation:
which fish is exotic in among these common carp or mori or thaila?
Answer:
common carp
Explanation:
Given that Exotic fishes are a type of fishes that being raised in an environment that is not native to them. Usually, exotic fishes are known for surviving easily in a country that is not originally their own.
Among the available options, COMMON CARP is a type of fish that is known for its exotic nature. So far, it has been introduced to other continents and countries other than their country of origin.
They easily reproduced and multiply, thereby easily adapt and populate their new environment.
Explain the importance of using engine powered pump for irrigation works.
Answer and Explanation:
Engine irrigation pumps are used to propel water into the irrigation channels, providing full water supply to agricultural crops. The use of the engine pump has advantages and disadvantages. Among the advantages, we can present the simplicity of operation of these pumps, being easily operated efficiently. They also save energy and are essential for irrigation with more viscous liquids, when necessary. This feature is the main reason for using this type of pump.
Among the disadvantages we can say that these pumps have a slower and less accurate work.
In the ancestors of whales, the pelvis and femur, or hindlimb, were involved 1 point
with walking on solid ground. In modern whales, the pelvis and femur
shown in below are now... *
The options are: example of fossils
acquired traits
examples of natural variation
homologous structures
analogous structures
vestigial structures
(help is appreciated
homologous structures
analogous structures
what do all scientific investigations begin with?
A: Forming a hypothesis
B: Conducting an experiment
C: Asking a question or observing a problem
D: Forming a conclusion
What part do humans play in gene flow?
Answer:
Humans reproduce and pass on their genes to their offspring.
Why might some families have chosen not to return to New Orleans?
Answer because travel issues
Explanatio
Travel issues is that good enough
multiple choice question
Can you curl your tongue? Tongue-curling in humans (T) is a dominant genetic trait. Derek can curl his tongue but his wife, Ashley, cannot. All nine of their children can curl their tongues. Complete the Punnett square based on the genotypes they most likely have.
Answer: Derek is TT and his wife Ashley tt. Thus children are Tt
Explanation: T Is dominant and t is recessive.
Derek can curl his tongue but his wife, Ashley, cannot. All nine of their children can curl their tongues. Because, the trait of Derek is TT and the trait of his wife Ashley tt.
Thus, the trait of children are Tt
Why Derek cannot curl his tongue?
The tongue rolling ability occurs due to the influence of a dominant allele of the gene. A person who has either one or two copies of the dominant allele will be able to twist their tongue. In the case that a person is born with two recessive alleles, they cannot twist their tongue.
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If a variety of light colored moths and dark colored moths lived in a forest of trees with a lighter colored bark and the environment changed causing the bark to darken, what will likely happen to the frequency of the genes that control the light and dark colors?
A.
The frequency of the dark colored gene increases and the frequency of the light colored gene decreases.
B.
The frequency of the light colored gene increases and the frequency of the dark colored gene decreases.
C.
The gene frequency of the light and dark genes remain the same.
D.
The frequency of the dark colored gene stays the same and the frequency of the light colored gene increases.
Answer:
A.
Explanation:
Dark coloured moths will be better camouflaged and so better protected from predators. More of them will survive and reproduce, increasing the frequency of dark coloured genes.
Light coloured gene will provide less camouflage, those moths will be caught by predators more often and live to reproduce less. So the light coloured gene will decrease.
When the fertilalized egg begins to
multiply, it is called an_____.
1.embryo
2.unfertilized egg
3.fertilized egg
Why is the moon important ?
Answer:
The moon is important to humans it provides us with many needs.
Explanation:
The Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years.
Which of the following factors decrease biodiversity? (Choose all that apply)
a. habitat destruction
b. unpredictable precipitation
c. warm temperatures
d. freezing temperatures
Answer:
habitat destruction, unpredictable precipitation, and freeing temperatures.
Explanation:
i took the quiz
The destruction of the habitat, unpredictable precipitation, and freezing temperatures decreases biodiversity. Thus, options a, b, and d are correct.
What is biodiversity?Biodiversity is the variety of life that sustains on earth and lives in a particular habitat. The biodiversity can be measured based on the ecosystem, species, and genetics. It comprises the ecological and evolutionary process.
The destruction of the habitat of a species can lead to a decrease in biodiversity as it affects the ecosystem and the ecological pyramid as a whole and will affect the population of the species.
The unpredictable precipitation can affect the species and the habitat as it may lead to floods that will destroy the habitat hence resulting in the loss of species.
Similarly, the decrease in temperature will affect many species as they will not be able to cope with low temperature resulting in their death.
Therefore, the unpredictable precipitation, freezing temperature, and destruction of habitat lead to a decrease in biodiversity.
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Can someone do this lab for me?
I don't have the materials or time. Hopefully, someone has done this before so they can give me some general results and observations. Thanks! :)
The forces from below the surface that change the surface of the earth are
Erosion
Earthquakes
Volcanoes
Living things
Weathering
Faulting
Folding
Glaciers
Answer:
That would be folding which causes earthquakes.
Explanation:
Mechanical weathering is commonly the result of all of the following except _____.
wind
plant disturbances
gravity
humans
ice
animal disturbances
running water
chemical reactions
Answer:
The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:
9 in.
11 in.
12 in.
17 in.
Explanation:
Determining a common ancestor between two species provides information about
A.
the evolutionary past
B.
relatedness
C.
rate of reproduction
D.
Both A and B
Answer:
the correct answer is D) both A&B
Explanation:
after mitosis what percentage of the original cell's genetic information can now be found in each daughter cell?
•100%
•25%
•50%
•75%
Answer:
•100%
Explanation:
Mitosis is a type of cell division which results in two daughter cells that are genetically identical to the original or parent cell. The identical nature of the daughter cells to the parent cell means that the number/amount of genetic material is maintained in the cells i.e. a diploid (2n) cell with 10 chromosomes will undergo mitosis to produce two diploid (2n) daughter cells with 10 chromosomes each.
Based on the explanation above, at the end of mitosis, 100% of the original cell's genetic information (DNA) can now be found in each daughter cell. Note that, this is contrary in meiosis, which reduces the genetic content by half.