Inhibitors of the electron transport chain exert their effects through a variety of mechanisms.

____________ blocks electron transport and proton pumping via inhibition of Complex IV.
____________ blocks electron transport and proton pumping via inhibition of Complex I.
____________ blocks electron transport and ATP synthesis by inhibiting the exchange of ATP and ADP across the inner mitochondrial membrane.

Answer:

Azide and Carbon monoxide block electron transport and proton pumping via inhibition of Complex IV.

Rotenone blocks electron transport and proton pumping via inhibition of Complex I.

Atractyloside blocks electron transport and ATP synthesis by inhibiting the exchange of ATP and ADP across the inner mitochondrial membrane.

Explanation:

The mitochondrial electron transport chain is composed of different complexes integrated into the inner mitochondrial membrane, which function to generate an electrochemical proton (H+ ions) gradient that is then used to drive the synthesis of ATP, the energy coin of the cell. The mitochondrial complex I catalyzes the electron transfer from nicotinamide adenine dinucleotide (NADH) to ubiquinone and then transports H+ ions across the inner mitochondrial membrane. Moreover, the mitochondrial complex IV, also known as Cytochrome c oxidase, receives electrons via the cytochrome pathway in order to complete the reduction of oxygen (O2) into two molecules of water (H2O). Azide is a selective inhibitor of the complex IV which acts as an uncompetitive inhibitor with regards to O2, while carbon monoxide (CO) binds to the cytochrome c oxidase enzyme, thereby suppressing its activity and thus disturbing ATP synthesis. Rotenone is a potent inhibitor of the mitochondrial complex I that inhibits electron transfer from the iron-sulfur centers in the complex I to ubiquinone, thereby blocking ATP synthesis. Finally, atractyloside is a competitive inhibitor that inhibits the transport of ADP across the mitochondrial inner membrane by blocking the ADP/ATP translocator, thereby preventing ADP from entering mitochondria.

Difference between pure tone and speech audiometer

How are nebulae and stars related? Select the three correct answers.

A. Stars explode to form nebulae.


B. Nebulae explode to form stars.


C. Nebulae form from stars.


D. Stars are pulled toward nebulae.


E. Stars form from nebulae.


F. Ebulae are found inside stars.

Parasites only affect species that are prone or unclean.


True

False

PLEASE HELP! CORRECT ANSWER WILL GET BRAINLIEST!

One of the big challenges for a nucleic acid vaccine is actually getting the DNA or RNA to go inside the host cell's membrane. One way to do this is to wrap the nucleic acid up in a little package of macromolecules just like how the golgi body packages things up things we want to export. Based on this description, you would guess that the best thing to package the genetic material would be:

A graph here shows the average frequency of beak depth for a species of
birds in an area. There is a higher frequency of intermediate beak depths,
with some variation within the population for beak size. A homeowner
removes the native landscaping that contained trees and shrubs that
formed fruits and nuts. The homeowner plants new trees that produce only
larger sized nuts. No more smaller berries or intermediate fruit food
sources are available. What is the most likely impact of the change in the
food supply within the homeowner's vicinity? Select ALL that apply.*
Natural Selection
2
Fitness in Present Environment
3
Beak Depth
There will be a decrease in frequency for beak sizes labeled at point 2 on the graph.
Natural selection will likely favor an increase in frequency for beak sizes at point 3 on
the graph.
Individual birds will migrate to the area, increasing the frequency of beak sizes at
point 1 on the graph.
The population of birds will change over time with regard to its beak frequency due to
directional selection.
The population of birds will change over time with regard to its beak frequency due to
stabilizing selection

1.If rTMS is deemed a success, this treatment could be applied to other disorders by doing what?
2.Your aunt has Parkinson's. Which of the following treatments is most likely to help her?

Which codon is the code for the amino acid serine (Ser)? please help​

How are bioclastic sedimentary rocks different from other sedimentary rocks

Sustainability is the ability to sustain production of goods today without impairing our ability to produce goods in the future. Managing resources for their continued use, not just conservation is the ultimate goal of sustainability. Aquaponics is a relatively new branch of food production which utilizes both plant production and fish production in one. In essence, it combines aquaculture and hydroponics (raising plants without soil) in which fish and plants are grown together in one integrated system. The waste from fish provides an organic food source (fertilizer) for the plants and the plants naturally filter the water for the fish. Aquaponics is becoming a popular way to grow both fish and plants because of the advantages it provides to society. What would NOT be an advantage of aquaponics?

A) Evaporative losses are significantly reduced, so water is conserved.

B) Since the fish supply the nutrients needed for plant growth, costly fertilizers are not needed.

C) Vegetables can grow in a climate controlled environment, preventing farming losses from a bad season.

D) Aquaponic systems require electricity to run the system which can be difficult in developing countries.

How can cells store the sugar that is produced in photosynthesis?

4. What are the six methods by which pathogens transmit themselves?

Pls help I need a Genius to solve this

B. How do the roots of the trees may help in controlling soil erosion?

a.They keep the soil more intact

b. They go deep down the ground.

c. They absorb nutrients from the soil

d. All of the above​

In meteorology, ____ is a volume of air defined by its temperature and water vapor content.​

A virologist has a cell-free extract of herpes simplex virus (HSV) that has a titer of 6 x 106 infectious virus particles/mL. This virus forms plaques on monolayers of the monkey kidney cell line, CV-1. Following completion of a 10-fold dilution series, the virologist plates 100 microliters of each sample in duplicate.

Required:
What experimental results did he MOST LIKELY observe in the duplicate plates corresponding to his 1:10000 dilution?

Which layer of the ocean do you think is most impacted by the Great Pacific Garbage Patch? Explain your answer.

Jane Goodall did some things that would probably not be done today in a scientific study. What were some things?

A. She gave the chimps names

B. She allowed them to get used to her presence

C. She gave them some food

D. All of the above

A person who is interested in learning more about the fight or flight response may pursue a career in?

please answer asap! thanks :-)

Why won’t the antibodies for the common flu virus work against the avian flu?

[ give like 1-2 sentences for this one you don't need to specify that much (unless you want to) ]

In one fishing village in Alaska, the allele frequency of webbed feet is 0.10. This dominant trait causes affected individuals to have extra skin between each of their toes on both feet. Assume that the village is the entire breeding population and that the population is in Hardy-Weinberg equilibrium. What is the frequency of individuals in this village that have webbed feet

2. Write one question that a
scientific experiment could
answer.

HELP ASAP PLEASE

A natural resource is best defined as any naturally occurring material that is which of the following?

A. Used by people
B. Mined from Earth
C. Unlimited in quantity
D. Left untouched in nature

Stage each label to the correct location on the image. Classify the sources of energy as renewable or non renewable.

An example of natural selection is the peppered moth found in Europe. There are two color forms of this moth, shown in the diagram. Form X was more common before the industrial revolution covered the trees with smoke and dust. Form Y is more common after the industrial revolution. Which statement explains why these two color forms exist at the same time? *


Some organisms inherit traits enabling them to adapt better to the environment.
Some organisms acquire traits during their lifetimes that they pass to our offspring.
Some organisms do not reproduce as many offspring during their lifetimes.
Some organisms die before they reproduce offspring.

Check each of the following statements that are true with regard to Griffith’s experiments.a. ______ Griffith discovered transformation in bacteria.b. ______ Mice injected with smooth bacteria quickly became sick and died.c. ______ Encapsulated bacteria can become "naked" bacteria.d. ______ Bacteria that do not have capsules tend to be harmless.e. ______ Smooth bacteria develop a capsule only after exposure to the DNA of encapsulated (rough) bacteria.f. ______ Griffith’s transforming factor was the protein in the capsule.g. ______ Transformation allows bacteria to acquire new genes.h. ______ Enzymes that destroyed DNA would prevent transformation.

5) Select True or False. If False, select the statement that makes it True. A piece of plastic is not a mineral because it is made in a factory and is not found naturally in the Earth. True False; A piece of plastic is a mineral because it is inorganic. False; A piece of plastic is a mineral because it is made in a factory and is not found naturally in the Earth False; A piece of plastic is a mineral because it is a mixture.​

Determine whether each of the following are characteristic of open-mindedness, skepticism, or both.
an important part of science
the interest in new or different ideas
open-mindedness
skepticism
both
if not checked, it can prevent progress
leads to critical evaluation of ideas
if not checked, it can lead to ideas being accepted without significant evidence
to support them
DONE
1 Intro

Which two stages are part of the cell cycle but not part of mitosis?

Which of the following is NOT part of the Cell Theory?

A. All organisms are composed of cells

B. Cells come from pre-existing cells.

C. Cells are the unit of life within an organism.

D. All organisms are composed of 2 or more cells.

E. All of these choices are parts of the Cell Theory.

Which of the following statements about aquatic ecosystems IS correct?

Rivers and streams are flowing salt water ecosystems

Marine ecosystems are standing freshwater ecosystems

Ponds and lakes are flowing-water ecosystems

Estuaries are made of both fresh and salt water, where rivers meet the sea.