Answer:
A photon of light hits chlorophyll, causing an electron to be energized.
The free electron travels through the electron transport chain, and the energy of the electron is used to pump hydrogen ions into the thylakoid space, transferring the energy into the electrochemical gradient.
Unicellular organisms have different structures from each other.Explain why.
Answer:
The reason why is because in the process of reproduction; there are some mistakes in DNA replication (out of billions of base pairs about 120,000 mistakes). This is what brings us so much variation in organisms.
which system is responsible for triggering the physiological effects of the stress response?
Answer:
sympathetic nervous system
Explanation:
The sympathetic nervous system functions like a gas pedal in a car. It triggers the fight-or-flight response, providing the body with a burst of energy so that it can respond to perceived dangers.
Answer: the answer is endocrine system
Explanation:
a typical human chromosome contains about how many nucleotides in its dna?
Answer:
50 million nucleotide pairs
The typical human chromosome contains 50 million nucleotide pairs
in its DNA.
What is DNA?Deoxyribonucleic acid (DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid (RNA) are nucleic acids. Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macro molecules that are essential for all known forms of life.
Hence, The typical human chromosome contains 50 million nucleotide pairs.
in its DNA.
Learn more about Functions of DNA refer to:
https://brainly.com/question/1882724
#SPJ2
Someone help and plz make sure it’s right :) will mark brainiest
Answer:
total # of species
Explanation:
species richness is a number of different species represented in the ecological community landscape or region.
Answer: Species richness is the number of different species represented in an ecological community, landscape or region.
chemicals, secreted by soil fungi, which inhibit the growth of bacteria, are known as _____.
Answer:
Antibiotics.
Explanation:
These are the things that inhibit bacterial growth.
which two theories about the formation of the planet's surface features do not include changes in earth's diameter?
A. plate tectonics
B. contracting earth
C. continental earth
D. expanding earth
PLZZSS HELPPPPPPPPPP
Answer:
a
Explanation:
how are transgenic animals different from knockout animals?
Answer:
A knockout animal has definite inactivated piece of DNA, whereas a transgenic animal usually has an unknown activated piece of DNA.
how does an electron transport chain lead to the generation of atp in the light-dependent reactions of photosynthesis?
Answer: How does an electron transport chain lead to the generation of ATP in the light-dependent reactions of photosynthesis? ... The electron transport chain directly absorbs light energy and transforms it into the chemical energy of ATP.
Explanation:
what the Origin of the skinwalker
Answer:
NavajoExplanation:
In Navajo culture, a skin-walker is a type of harmful witch who has the ability to turn into, possess, or disguise themselves as an animal. The term is never used for healers.
What are you taking that's asking about skinwalkers??
They're freaky.
Hope this helps :}
Pls mark brainliest :P
And have an amazing day <3
Answer:
The skin walker supposebly started as a Native American who murderd alot of people and the chief of the tribe put a curse on him and now he can shapeshift aswell
In Navajo culture, a skin-walker is a type of harmful witch who has the ability to turn into, possess, or disguise themselves as an animal. The term is never used for healers.
Explanation:
someone help me with this !!!!
Answer:
For structural support: Nucleic acid.
For energy storage: Lipids or Carbohydrates. ( I'm kinda confused with this one since both do the job )
For membrane and barrier formation: Lipids or Carbohydrates. ( I'm kinda confused with this one since both do the job )
For Catalyst and biological formation: Protine
For Genetic information storage: Nucleic acid.
For Chemical signaling: Lipid.
what do the roman numerals in the pedigree diagram represent?
Answer:
I think it is supposed to be generation so 1st and 2nd generation in this case.
Explanation:
Answer:
Roman Numeral stands for the generation in the family
Explanation:
https://www.cs.cmu.edu/~genetics/units/instructions/instructions-PBA.pdf
Pedigree Analysis
8x998 pls helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Answer:
7984
Explanation:
Dose someone know how to do this it’s biology stuff :(
Answer:
yes but it very camplicated and diffricult
Explanation:
Is this correct? Anyone help
How do you remove a filter in Excel?
O Clear Filter
O De-Filter
O Cancel Filter
O Halt Filter
Answer:
the answer is cancle filter
Which statement best explains why these cells have structural differences?
The cells have different functions.
The cells evolved in different organisms.
One of the cells is more primitive than the other cell.
One of the cells develops into the other type of cell.
Answer:
a
Explanation:
prokaryotic cells are smaller than eukaryotic cells. what is a plausible explanation?
Answer:
prokaryotic cells are smaller than eukaryotic cells because they have fewer organelles.
Explanation:
prokaryotic cells do not contain a nucleus, vacuoles, endoplasmic reticulum, mitochondria, Golgi apparatus, lysosomes, or peroxisomes, thus making them smaller than eukaryotic cells.
Somebody help me please
Answer:
a
Explanation:
I need help with this the 3 blanks where it says answer
Answer:
C will pair with G
then C will pair with G
write G and C
Explanation:
because Adanine(A) always pairs with thymine(T) and cytosine(C) with guanine(G) an easy way to remember this is by Apple Tree and Car Garage.
hope this helps :)
How does thermal energy impact the lower layers of atmosphere?
Answer:
Explanation:
Land and water absorb most of the solar radiation from the sun. Some of this solar energy from land and water is then transferred to the lower atmosphere which is in contact with the continents and oceans. From Land, this occurs mostly as heat energy or infrared radiation. Water usually transfers this energy through the evaporation of water into the atmosphere
> What is the name of this phase
Answer:
This would be Metaphase. I hope this helps you! :)
Why are non-native, invasive species sometimes problematic for ecosystem stability?
Answer:
The bring problems with them.
Explanation:
For example if you bring a insect from over seas and it gets releast into a farm land it could kill off all the crops.
11. In the carbon-fixing stage, ATP and NADPH are used to convert CO2 into?
12. What is another name for the Calvin Cycle and why?
Explanation:
G3P
This process is called carbon fixation, because CO2 is “fixed” from its inorganic form into organic molecules. ATP and NADPH, which were made during the light dependent reactions, use their stored energy to convert carbon dioxide into a three-carbon compound called G3P.
Answer:
11. This process is called carbon fixation, because CO2 is “fixed” from its inorganic form into organic molecules. ATP and NADPH, which were made during the light dependent reactions, use their stored energy to convert carbon dioxide into a three-carbon compound called G3P.
12. The Calvin cycle is another name for the light-independent reactions. This is a biosynthetic multi-step reaction that fixes carbon dioxide to ribulose.
What is the difference between "growth and development" and "evolution"
Answer:
What's the difference between growth and development and evolution?
is that growth is an increase in size, number, value, or strength while evolution is (general) gradual directional change especially one leading to a more advanced or complex form; growth; development.
Explanation:
Hope this helps.
c) Which of the following foods would you recommend as being the BEST for growing children? Explain why.
Steak, Cheese or Rice
Answer:
rice
Explanation:
it has carbohydrates that leave you feeling full
fluid-filled sacs that cushion synovial joints are called
Answer:
They are called bursea
Explanation:
what is climate change and with does it effect
More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, and wreak havoc on people's livelihoods and communities. As climate change worsens, dangerous weather events are becoming more frequent or severe.
what is carbon used for in each sphere?
Answer:
Carbon is found in the hydrosphere dissolved in ocean water and lakes. Carbon is used by many organisms to produce shells.
Explanation:
Can someone please help me
Answer:
Q.No1 is the answer
substitution
help.................................
Answer:
your awnser is C
Explanation:
Hope that helps :)
Answer:
help... i need somebody.. help.... not just anybody
Explanation:
help