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Related Questions
There are a number of similarities, and some differences, between the Q cycle in the mitochondrial electron transport system and the PQ cycle found in the chloroplast electron transport system. Sort the items into the appropriate locations, depending on whether they are unique to the PQ cycle, unique to the Q cycle, or common to both.The cycle converts a two-electron transfer process into two one-electron transfer processes.Two electrons are transferred from the reduced carrier to cytochrome c.Addition of electrons one at a time generates a semiquinone intermediate.Used to translocate protons across a membrane.Two electrons are transferred from the reduced carrier to plastocyanin.
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Answer:
1. unique to the PQ cycle:
Two electrons are transferred from the reduced carrier to plastocyanin
2. unique to the Q cycle:
Two electrons are transferred from the reduced carrier to cytochrome c
3. common in both PQ cycle and Q cycle:
- The cycle converts a two-electron transfer process into two one-electron transfer processes
- Addition of electrons one at a time generates a semiquinone intermediate
- Used to translocate protons across a membrane
Explanation:
The Q cycle (Q due to quinol) refers to the cycle by which electrons are transferred from ubiquinol to cytochrome c. This cycle is associated with the sequential mechanism of oxidation-reduction between ubiquinol and ubiquinone, also known as Coenzyme Q10 (CoQ10, used as electron carrier), in order to move protons across the inner mitochondrial membrane. In the first phase of the cycle, ubiquinol attaches onto the cytochrome c oxidoreductase, also called complex III (because this complex is the third complex in the electron transport chain), in order to transfer two electrons to the complex. On the other hand, the PQ cycle (PQ due to plastoquinone) refers to the cycle where plastoquinone transports electrons during light-dependent photosynthetic reactions. In the PQ cycle, the plastoquinone serves as an electron carrier through the membrane of the thylakoid. In the first step of this cycle, plastoquinone obtains two electrons from photosystem II and absorbs two protons from the chloroplast stroma, resulting in plastoquinol, which subsequently transfers electrons to plastocyanin in a process coupled with the generation of a proton gradient between the lumen of thylakoid discs and stroma.
Which of these is NOT found in a bone?
A) cells
B) muscle tissue
C) blood cells
D) nerve tissue
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Answer:
D. Nerve tissue
Explanation:
difference between mycoplasma and l form bacteria
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Answer:
L-form bacteria are distinct from mycoplasmas, because Mycoplasma spp. do not originate from bacteria that normally possess a cell wall. ... Some of these bacteria remain as CWDB (stable L-forms), whereas others revert back to possession of a cell wall (unstable L-forms).
Explanation:
How many grams of starch would you need to make 500ml of a 5% solution?
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Solution:- We are asked to make 500 mL of 5% glucose solution. The percentage is the mass by volume percentage. 5% glucose solution means 5 grams of glucose present in 100 mL solution. From this given information, we can easily calculate the mass of glucose required to make 500 mL solution.
The calculations are shown as:
500mL*5g/100mL
= 25g
So, 25 grams of glucose are required to make 500 mL of 5% solution.
What is the function of cell membrane
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Explanation:
The function of the cell membrane is to protect the organelles that break down proteins and nutrients.
It is semi-permeable which means it takes in select nutrients and excretes cell waste into the bloodstream.
All cells have DNA that must be replicated True or false
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The answer is True.
Can someone help me on this question please ! For brainliest
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Which of the following statements about the cells of any multicellular organism is true? More than one answer may be correct.
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Answer:
C.) (Different genes are expressed in different types of sells.)Explanation:
I hope its help;)(;Explain how you found out that Lucy has ADA-SCID
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Answer:
The first part of finding out Lucy having ADA-SCID was when I realized there were no HIV proteins in her blood, getting rid of the possibility of her having HIV. Then, I realized she had a high number of Deoxyadenosine in her blood. This proves she has ADA-SCID because when the ADA doesn't work you find excess amounts of Deoxyadenosine in the blood.
Explanation:
Answer:
The first part in finding out Lucy has ADA-SCID was when I realized there was no HIV proteins in her blood, which got rid of the possibility of her having HIV. Then, I saw that she had a high number of Deoxyadenosine in her blood. This proves to me that she has ADA-SCID because when the ADA doesn't work you find excess amounts of Deoxyadenosine in the blood. This is the answer.
Explanation:
How can scientists predict the muscle size of an animal?
O Scientist can make inferences based on the location fossils are found.
O Some fossils contain muscle tissues.
O Scientists can make inferences based on the type of climate that animal lived in.
O Bone scars give clues about the muscle size.
THIS IS ABOUT FOSSILS
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Answer:
the answer is: bone scars give clues
Explanation:
Answer:
the answer is bone scars give clues about the muscle size
Explanation:
All body cells are diploid cells because they contain two sets of chromosomes.
true or false
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Explanation:
Yes they both contain atleast 2 chromosomes
Which statement about the relationship between organisms and the environment is correct?
A. Organisms depend on a subset of their environment, which is made only of nonliving things.
B. Organisms depend on the living parts of their environment, which is made of living and nonliving things.
C. Organisms depend on the environment, which is made of living and nonliving things.
D. Organisms depend on the environment, which is made only of living things.
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Answer:
I believe it is B
Explanation:
Living
treesflowersgrassectnonliving
rockswaterHope this helps!!!
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Organisms depend on the environment, which is made of living and nonliving things. The correct option is C.
What is environment?The environment can be defined as the sum of all living and non-living elements and their effects on human life.
Non-living or abiotic elements include water, land, sunlight, rocks, and air, while all living or biotic elements are animals, plants, forests, fisheries, and birds.
Our environment provides numerous benefits, including the air we breathe, the food we eat, and the water we drink, as well as the numerous materials required in our homes, workplaces, and leisure activities.
Healthy ecosystems clean the water, purify the air, maintain our soil in good condition, regulate the climate, recycle nutrients, and provide us with food.
They supply raw materials and resources for pharmaceuticals and other uses. They are the foundation of all civilizations and the backbone of our economies.
Thus, the correct option is C.
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Which statement is true about the products of cellular respiration?
They contain oxygen.
They contain glucose.
They become the products of photosynthesis.
They become the reactants of photosynthesis.
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Answer:
They become the reactants of photosynthesis.
Explanation:
Answer:
They become the reactants of photosynthesis.
Explanation:
Give the other person brainliest
6 In the condition hyperthyroidism, patients have elevated levels of both T3 and 14 due to a malfunction of the
immune system that causes the thyroid gland to overproduce thyroid hormones. Do you think the negative
feedback loops would lead to high levels of TSH or low levels of TSH? Explain.
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Which of the following is another way to refer to body cells?
a. sex cells
b. gametes
c. mitosis
d. somatic cells
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Answer:
: somatic cell —opposed to germ cell. 2 : the one of two cells produced by division of the generative cell in the pollen grain of certain gymnosperms that in turn divides to produce two male nuclei or cells
Answer:
D is the answer I'm pretty sure :)
What causes there to be a H+ ion concentration gradient to build up inside the thylakoid space? Check all that apply.
a.) The electrons provide energy for the H+ pump to transport more H+ ions into the thylakoid space.
b.) A special enzyme produces more H+ ions.
c.) Photons of light create more H+ ions.
d.) The photolysis of water releases H+ ions into the thylakoid space.
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Answer:
a.) The electrons provide energy for the H+ pump to transport more H+ ions into the thylakoid space.
d.) The photolysis of water releases H+ ions into the thylakoid space.
Explanation:
The thylakoid, which is found in the chloroplast, is the site of the first stage of photosynthesis (LIGHT DEPENDENT STAGE) in the cells of plants. The light stage of photosynthesis functions to produce energy (ATP) and NADPH for the second stage called Calvin cycle.
However, this ATP is generated by the power realized from the pumping of Hydrogen ions (H+) into the thylakoid lumen. The following causes the build up of H+ ions in the thylakoid space:
- Light photon hits the chlorophyll molecule, which is the photosynthetic pigment, to become charged. The electrons (e-) generated from this provide energy for the H+ pump to transport more H+ ions into the thylakoid space.
- Photolysis of water, which involves the splitting of water to produce hydrogen ions (H+) causes a build up of H+ in the thylakoid space.
If 1250 J of work is done on an object that weighs 50 N, how far can that
object be raised?
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Answer: 1200
Explanation:
If it was 1250 J of work done, and a object that weights 50 N, you subtract 50 from 1250 which is 1200 J. Work has been done, so you subtract the high number from the lowest.
Which pieces of information does the National Weather Service produce?
simple maps
newspaper maps
long-range forecasts
maps with isotherms
Answers
Answer:
D.
Explanation: Which pieces of information does the National Weather Service produce?
simple maps
newspaper maps
long-range forecasts
maps with isotherms
The National Weather Service produces long-range forecasts and maps with isotherms, but not simple maps or newspaper maps.
What is long- range forecast?Long-range forecasts are predictions of weather conditions that are expected to occur over a period of several days or weeks. These forecasts are typically based on computer models that analyze current weather data and historical weather patterns.
Isotherms are lines on a map that connect points with the same temperature. They are commonly used to show temperature patterns across a geographic region, and can be useful for understanding weather conditions and climate trends.
While the National Weather Service may produce maps, they are typically not simple maps or newspaper maps, as their focus is on providing accurate and detailed weather information to the public and other stakeholders.
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1. Scientific Question: How does the size of a brown anole lizard hatchling affect its chances of survival?
Brown anoles are very small when they hatch out of the egg. Because of their small size, these anole hatchlings are eaten by many different animals, including birds, crabs, other species of anole lizards, and even adult brown anoles! ... Juvenile anoles that get eaten by predators will not survive to reproduce.
2. Independent variable:
brown anole
3. Dependent variable:
green anole
Scientific Data: Use the graph above to answer the scientific question
Analyze the Data:
4. What pattern do you notice within the data?
Interpret the data:
Make a claim that answers the scientific question listed above the table.
Give 3 separate evidences from the data to support your claim. Reference specific parts of the table or graph.
Explain your reasoning and why the evidence supports your claim. Connect the data back to what you learned about the role predation plays for young anole lizards.
5. Using the hints above, create a CER.
Apply the data:
6. Apply all 4 principles of natural selection to the anole lizards. (Overproduction, Variation, Competition, Selection)
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Answer:
3
Explanation:
Which of the following processes
describes a cell taking up liquids from its
external environment?
A. endocytosis
B. exocytosis
C. phagocytosis
D. pinocytosis
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Answer:
D
Explanation:
Red blood cells are........white blood cells.
1)more numerous than
2)rounder than
3)less numerous than
4)older than
Answer and I will give you brainiliest
Answers
Answer:
Red blood cells are rounder than white blood cells.
Explanation:
ei hope you liked my answer
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How are we able to tell from the results of this blood type test that this is 0+
Answers
Answer:
there's no test so... The test to determine your blood group is called ABO typing. Your blood sample is mixed with antibodies against type A and B blood. Then, the sample is checked to see whether or not the blood cells stick together. If blood cells stick together, it means the blood reacted with one of the antibodies.
Explanation:
hope this helps have a good rest of your day :) ❤
Adult sponges a. have body walls with many pores. c. are active swimmers. b. possess true tissues. d. use stinging cells to capture prey.
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Answer:
A
Explanation:
What is the role of a ribosome in protein production?
A. It is the site where amino acids join to tRNA molecules.
B. It is the site where mRNA codons and tRNA anticodons meet.
C. It is the site where a protein strand is folded into its correct shape.
D. It is the site where proteins are packaged and sent where they are needed.
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Answer:
Ribosomes are the sites in a cell in which protein synthesis takes place. ... Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis — the stitching together of amino acids to make a protein molecule. In fact, rRNA is sometimes called a ribozyme or catalytic RNA to reflect this function.
5) If a body cell contains 50 chromosomes, how many
will exist in its gametes?
25
Answers
Answer:
25
Explanation:
gametes are haploid cells and body cells are diploid. when a diploid cell undergo meiosis it will produce haploid gametes with half number of chromosomes. in this case body cell has 50 chromosomes so their gametes have only 25 chromosomes.
discuss the contributions of pasteur, and koch to 'germ theory of disease' and to the prevention of diseases
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Answer:
Pasteur showed that putrefaction is a process associated with organisms present in the air, while Koch identified the germs that cause different diseases
Explanation:
The germ theory states that pathogenic microorganisms called germs cause the disease state observed in a particular (infected) organism. The term 'germ' includes pathogenic bacteria, protists, fungi, and even non-living pathogens (e.g., viruses). This theory was developed and accepted due to the work of Louis Pasteur and Robert Koch. In the 1860s, Pasteur showed that germs were omnipresent in a flask open to the air, showing that putrefaction and fermentation are caused by these microorganisms. Moreover, in the 1880s, Koch identified the germs that cause different diseases, including tuberculosis (Mycobacterium tuberculosis) and cholera (Vibrio cholerae).
Compounds serve as the foundation for all forms of matter. True or false?
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THE ANSWER IS FALSE
HOPE THIS HELPS BBBBYYYY
What evidence supports the scientific theory that continents on Earth were at one time a part of a large supercontinent called Pangaea before they
drifted apart?
A. Sediments found along the coasts of continents often were transported there by wind or moving water.
B. The plants and animals that live on the same continent can often look very different from their fossil ancestors.
C. The fossils of some kind of organisms can only be found
in one location on Earth.
D. In several locations, the shape of one continent matches the shape of a nearby continent, like puzzle pieces.
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Answer:
D
Explanation:
help help help !!!!,
Answers
Answer:
#1= d #2=c
Explanation:
Sorry If incorrect
Answer: 1st one: b or d,
2nd: c
Explanation:
What occurs at step 3 in the diagram?
O The restriction enzymes cut the isolated DNA into fragments.
The gene of interest is inserted into an expression cassette.
The recombinant DNA is inserted into the host cell nucleus via a vector.
O The expression cassette is inserted into a plasmid for cloning.
Answers
Answer:
A
Explanation:
The restriction enzymes cut the isolated DNA into fragments
Answer:
its B on edge
Explanation: