Answer:
I'm not sure sorry what type of question Is it?
According to this theory, how did mitochondria evolve?
Answer: Mitochondria evolved from endosymbiotic prokaryotes that were able to use oxygen to generate energy rich ATP. To prokaryotes then evolved into mitochondria that now power the cells of all multicellular organisms.
Explanation:
Answer:
According to this theory mitochondria evolved from bacteria and somehow became incorporated into the cytoplasm.
Explanation:
i don't know which theory ur talking about but this theory is the endosymbiotic theory
.What might happen to cells with DNA that has been damaged by an environmental influence such as UV light from the sun or a tanning bed?
Answer:
It can lead to melanoma or a time of skin cancer.
Explanation:
This is because UV radiation in sunlight can destroy the DNA by destroying the base pairing. UV light will cause two Thymine that are very closer to each other to join together to produce dimer. After which, The melanin-assisted process form lesions that is popularly called cylobutane pyrimidine dimers in DNA, which can result in mutations that cause melanoma which is a form of skin cancer
*THIS IS SCIENCE* What does DNA contain?
A. the factors for heredity called alleles
B. the coded blueprint for life
C. the chromosomes that build proteins
D. the ability to translate RNA code
Answer:
DNA contain ability to translate RNA code..
So, option D is correct answer..What is the name of the bond that holds the amino acids together?
Answer:
Peptide bonds
Explanation:
brainliest
Someone please help me!
Answer:
B. Channel protein
Explanation:
Channel protein is basically a channel which substances passes through, showing in the picture.
Explanation:
Channel protein because
If a widow’s peak (W) is controlled by a dominant allele and a straight hairline (w) is controlled by a recessive allele, how would you describe a person whose genotype is Ww?
Answer:
The correct answer is - a heterozygous individual with widow's peak.
Explanation:
In the given case, the dominant character is the widow's peak that is represented by the allele W and the straight hairline is a recessive character represented by the allele w. So, if an individual has both dominant alleles WW it means this individual has widows peek as W is the dominant allele and if this individual has ww allele it means the straight is expressed as no dominant allele to mask the effect of recessive allele w.
In the case of heterozygous that means one copy of dominant and one copy of recessive allele is present that is Ww then this individual have a widow's peak due to the fact that dominant allele will mask the effect of recessive allele.
The energy in molecules has been stored in the
1.protons
2.Bonds
3.electrons
4.neutrons
Answer:
It should be 2- Bonds
Explanation:
Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules.
:)
Why is the US NOT the world leader in the problem of climate change?
Explanation:
This is more of an opinion based question, but I would say it's because we continue to produce massive amounts of pollution, and we have not taken much action into the problem at all. Countries that would be a leader in climate change would be much less populated, and limit their carbon emissions
HELP!!!
Please lmk if you can not see the attachment
Answer:
i cant see the attachment
Explanation:
How does energy efficiency create jobs?
12. Which substance can enter a cell by diffusion without having to be digested?
1. water
2. starch
3. protein
х
4. fat
Answer:
Water
Explanation:
Starch is digested by amylase
Protein is digested by protease
fat is digested by lipase
Water is the only one not digested by anything
Many living things depend on
the ocean currents for food,
transportation, and a suitable
climate.
True of False?
True
Have a lovely day <3
which of the following is an example of commensalism? i just need someone to check my answer if its wrong correct me.
yeah answer d is correct
Answer:
D is correct.
Explanation:
Commensalism is defined as an association between two organisms in which one benefits and the other derives neither benefit nor harm. Sine the Barnacle is being benefited but the Whale is not behind helped nor harmed it is an example of Commensalism.
All plants autotrophic. But there are no autotrophic animals or fungi. What does it mean when an organism is "autotrophic"?
Answer:
Autotrphic means that the organism can produce their own food through photosynthesis.
Margaret tells her friends that she caught a fish called Salmo salar. What genus does the fish belong to? Explain how you know.
Answer:
Histrio?
Explanation:
A dichotomous key for identifying fish is shown.
3a
5a
la Body is long and narrow...
..... Go to 2
1b. Body is not long and narrow.
.Go to 3
2a Pointed fins..........
..Trumpetfish
2b Fish has smooth fins...........
.Moray eel
Eyes located on top of the head......
.Go to 4
3b Eyes located on either side of the head.. ..Go to 5
4a
Long, whip-like tail.........
........ Spotted eagle ray
4b
Short, blunt tail..
...Peacock flounder
Body is spotted.........
...Go to 6
5b Body is not spotted...
..... Go to 7
ба Chin whiskers present...
Spotted goatfish
6b Chin whiskers absent..
...Bandtail puffer
7a
Striped............
.... Go to 8
7b No stripes.....
........Glassy sweeper
8а V-shaped tail...
..Squirrelfish
8b Blunt, rounded tail........
.... Glasseye snapper
Based on this key, which two fish have eyes located on either side of their head and are not spotted?
Glassy sweeper and squirrelfish
Glasseye snapper and spotted eagle ray
Spotted goatfish and bandtail puffer
Peacock flounder and glassy sweeper
Answer:
A.glassy sweeper and squirrelfish
Explanation:
I took this test already and got that question correct
Glassy sweeper and squirrelfish are two fishes that have eyes located on either side of their head and are not spotted. Hence, option A is correct.
What is the dichotomous key to identifying fish?Making use of a dichotomous key is one method of fish identification. These keys use a sequence of paired (two) choices based on an organism's physical traits to exclude potential candidates for the organism's identity.
The shape of fish's heads, the location of their mouths, the type and location of their fins, and their average adult size are some traits that set them apart.
When combined with other characteristics like geographic range, color patterns like vertical stripes or fin patches may also aid in differentiating fish. Hence, option A is correct.
Learn more about the dichotomous key, here:
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I NEED HELP ASAP WILL GIVE 30 BRAINLIEST
What type of galaxy is pictured below?
A) Irregular
B) Spiral
C) Lens
D) Elliptical
Chromosomes 1 - 22 are called autosomes and code for all of the processes in the body except the genes that determine gender characteristics. How many total autosomes does Subject A have?
Humans exhibit twenty-two (22) pairs of autosomes or autosomic chromosomes which are distinct from sex chromosomes X and Y.
What is an autosome?An autosome can be defined as any chromosome in a somatic/germinal cell that is not a sexual chromosome (i.e., autosomes are not x chromosomes and Y chromosomes).
Autosomes contain essential genes required both in women and men in order to synthesize structural and enzymatic proteins present in their cells.
In conclusion, Humans exhibit twenty-two (22) pairs of autosomes or autosomic chromosomes which are distinct from sex chromosomes X and Y.
Learn more about autosomes here:
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How are cactus adapted to survive in the desert ?
Answer:
There are many adaptations which allows a cactus to survive in a desert.
Explanation:
A cactus has fleshy, succulent stems which store water used by the plant when water is scarce. A cactus has long roots to find water under the sand in deserts. Most importantly it has thorns which prevent the rate of transpiration and also it avoids the plants form being eaten by animals.(Hope this helped ;))
Please help on this as well
Answer:
Ima say Animal I and Animal II
Explanation:
I really hope this helps
Answer:
Animal l and Animal ll are most closely related
PLZ HELP!Which option is the most exact conclusion about the agricultural methods being used in the following scenario?
An entomologist performs an extensive survey of insect life on an agricultural site. The results show a large and very diverse range of beneficial species, pest-species, and neutral insects filling all possible roles and suited to many microenvironments. The diversity is shown within both small, single site samples and across the board in all sampling sites.
The methods are those of extensive monoculture.
The primary pest management system is trapping and mechanical removal.
The land has been developed using only crop rotation as a polyculture technique.
The methods are those of intense polyculture.
Answer:
The methods are those of intense polyculture.
Explanation:
Edge 3/2021
Which mineral will scratch fluorite, galena, and pyroxene?
Answer:
Olivine, quartz, garnet and pyrite
Explanation:
A normal human cell contains 46 chromosomes. After the "mother" cell divides in mitosis, the new cell contains
Answer: 22? I think
Explanation:
Answer:
23 chromosomes
Explanation:
Polar bears are adapted to stay warm by growing thick fur. These organisms most likely live in a
A.) tropical rain forest
B.) tundra
C.) desert
D.) temperate rain forest
Answer:
b
Explanation:
polar bear has thick fur to stay warm so it more an likely lives somewhere cold so it would be the tundra
Which is the correct sequence for the levels of organization?
a
tissue-organism-cell-organ system-organ
b
organism-organ system-organ-tissue-cell
c
organ-organism-tissue-cell-organ system
d
cell-tissue-organ-organ system-organism
How is a habitat different from a community?
A- A habitat is the natural environment where a community lives.
B- A habitat contains only living components.
C- A community is the natural environment where the habitat lives.
D- A habitat includes only one species and the community contains several.
Answer:
A
Explanation:
I took quiz
Answer:
I hope this helps.
Explanation:
A strand of DNA contains the bases adenine, cytosine, cytosine, and guanine, in that order. Which would be the order of the bases on the opposite strand of DNA?
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what is the temperature range in a desert?
Answer:
During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).
Answer:During the day, desert temperatures rise to an average of 38°C (a little over 100°F). At night, desert temperatures fall to an average of -3.9°C (about 25°F). At night, desert temperatures fall to an average of -3.9 degrees celsius (about 25 degrees fahrenheit).
Explanation:i hope u have a wonderful night and stay safe
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Answer:
A
Explanation:
As a wave nears shore, the wave height increases and the wavelength
Select one:
a. doubles.
b. stays the same.
c. decreases.
d. increases.