Assessment started: undefined.
Item 1
Resources from the ocean are found in many regions, but the majority of all resources are located in which of the following regions?
abyssal plain
deep ocean
continental shelf
pelagic zone
Answer:
Resources from the ocean are found i many regions, but the majority of all resources are located in which of the following regions? continental shelf.
Explanation:
The reproductive system of a male mammal provides
(1) support for the internal development of the embryo
(2) materials through the placenta
(3) a means for the delivery of sperm cells
(4) the ovaries for egg production
Write the chemical equation for water?
Answer
H2O
Explanation:
Water is made up of hydrogen atom ,valency 1 and oxygen atom , valency 2
On combining , they exchange their valencies giving H2O where 2 is a subscript
which statement best describes the molecular structure of protein, along with one of the functions of proteins? it is a straight chain hydrocarbon that can help fight disease
Protein are the vital part of any organisms as it helps in growth and repair. The statement that best describes the molecular structure of a protein is option B, i.e., It is a complex, folded chain that helps regulate cell processes.
What is the need of protein folding?Protein has four main structures, namely primary, secondary, tertiary and quaternary structure. It is a complex, folded chain that helps regulate cell processes.
Each structure differ from each other in the way of folding.
The folding of protein makes the protein active to determine its main functions.
Thus, the correct option is B.
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True or false. Can you provide any evidence?
1. When species come into contact with closely related species, they interbreed and become one species again
2. Medium ground finches with relatively large beaks tend to have offspring with relatively large beaks
3.Birds with a beak type poorly shaped for the current environment are able to adapt by changing their beak types
4. Speciation, or the evolution of new species, in Galapagos finches results because natural selection favors different beak types on different islands.
False When species come into contact with closely related species, they interbreed and become one species again.
What process lead to the speciation of the Galapagos finches on the different islands?
All of them grew from one progenitor species, which inhabitated the islands only a few million years ago.
This process, whereby species develop rapidly to use empty ecospace, is called as adaptive radiation.
Thus, its false, When species come into contact with closely related species, they interbreed and become one species again since its an example of evolution.
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All the biological macromolecules contain carbon, hydrogen and oxygen. However, most do not contain nitrogen. The category that
contains nitrogen are
A) Lipids
B) Proteins
C) carbohydrates
D) unsaturated fats
Answer:
A. lipids
Explanation:
If you took DNA samples from two strangers on a street, how similar would
their DNA be?
A. 100% the same
B. 95.5% the same
C. 99.9% the same
D. 90.0% the same
If one took DNA samples from two strangers on a street, the two DNA samples will be 99.9% the same (option C).
What is DNA?DNA is the part of a living organism that carries or stores genetic information.
The DNA molecule is made up of four nucleotide bases namely;
AdenineGuanineCytosineThymineHowever, the DNA of every living organism is the same with the difference lying in the arrangement of the nucleotide sequence.
Therefore, if one took DNA samples from two strangers on a street, the two DNA samples will be 99.9% the same.
The 0.1% difference is attributed to the mutations that might have occured in the genome.
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Bacteria are used in food industry for the production of ?
(a)curd
(b)cheese
(c)butter
(d)all of the above
Answer:
D.) All of the above
Explanation:
Bacteria has become a major component in the processing of dairy products because of various factors. The distribution of bacteria aids factors like ripening and flavor development of cheese and curd and also aids fermentation.
Curd, cheese and butter production all involve the use of bacteria.
The bacteria commonly used to make curd is lactobacillus bacteria.
The bacteria commonly used to make cheese are lactococcus, lactobacillus and streptococcus genera
The bacteria commonly used to make butter are lactococcus and leuconostoc .
The term for a cross that involves just one trait, such as pod shape, is called a what?
I NEEEEDDD HELP PLEASE
Answer:
Male with attached earlobes
what is the answer to those
A person who has one recessive allele for a trait that can potentially pass that trait to an offspring.
A) Carrier
B) Genetic Disorder
C) Sex-Linked Gene
D) Down’s Syndrome
Plz I need answers ASAP. Thx And btw I dont know how to make the brianliest. Tell me how to so I can make you one!
Explanation:
Carrier. Btw I don't need brainiest lol
7. Sister chromatids are
5 points
0 (1) found when cell is not dividing
(2) Unique to prokaryotes
(3) tightly linked together at the centromere
Answer:
3!
Explanation:
1. how many times does interphase occur before mitosis? ____
2. how many times does interphase occur before meiosis? ____
what is the relationship between UV radiation and skin color?
Answer:
Since strong sun exposure damages the body, the solution was to evolve skin that was permanently dark so as to protect against the sun's more damaging rays. Melanin, the skin's brown pigment, is a natural sunscreen that protects tropical peoples from the many harmful effects of ultraviolet (UV) rays.
Explanation:
Which sentence uses the word "casually" in the same way as this passage
Passage: Chris wanted to sit next to the stars of his schools baseball team, but he wanted to treat them like as if they were his other friends. As he passed their table, he acted cool and casually acknowledged their presence. Chris' natural behavior won him the friendship of the baseball team. they looked forward with hanging out with kids like Chris , who didn't treat them differently than the rest of the students.
A. He casually met the queen of England at a formal ceremony.
B. The tourist strolled casually along the beach with their bare feet.
C. The robbers casually entered the bank with masks and sacks
D. Drawing attention to herself, she casually slipped away.
Answer:
The tourist strolled casually along the beach in bare feet
Explanation:
Answer:b
Explanation:
Suggest why energy from the sun flows in one direction while materials are cycle within an ecosystem
Answer:
Energy flow in an ecosystem is unidirectional. It means that energy which is absorbed by the producers from sun and is converted into chemical energy, always flow from a lower trophic level to a higher trophic level as in a food chain when herbivore consumes producers the energy is transferred from producers to consumers and so on. Some of this energy is assimilated some is used by the organism and some is dessipated in the environment but the flow of energy is never reverted, that is obviously a producer can not consume a consumer.
what is the second biggest insect on earth
Answer:
probably a big spider
Explanation:
Similar body parts with different purposes found in different animals are known as:
-the fossil record
-homologous structures
-vestigial structures
-similar embryo development
Homologous structures
I need help with 1-9 ❓
Answer:
its 8
Explanation:
because if you have 9 apples a you eat on you are left whith 8
Question 2 (0.5 points) In the Northern Hemisphere, choose ALL that apply Summer solstice occurs when the Earth's North Pole is tilted toward the sun, longest day. Summer solstice occurs when the Earth's North Pole is tilted away from the sun shortest day. Winter solstice occurs when the Earth's North Pole is tilted away from the sun. shortest day. Winter solstice occurs when the Earth's North Pole is tilted toward the sun. longest day.
Answer:
In North America, around June 21, Earth tilts on its axis toward the sun, which is Summer Solstice and when the Northern Hemisphere has the most daylight of any time of year. Winter solstice the Northern Hemisphere tilts the farthest away from the sun and when we have the least amount of daylight of any time of the year.
Explanation:
As Earth revolves around the Sun, it rotates on its axis. Sometimes Earth tilts toward the Sun which is when Summer occurs. In the Winter Earth tilts away from the Sun.
In the northern hemisphere summer solstice occurs when the earth north pole is tilted towards the sun, longest day and winter solstice when the earth north pole is tilted away from the sun shortest day . Thus both the option a and c are correct.
What are solstices?Solstices occurs when earth is pointed directly towards the sun. This incident happens twice a year during earth's orbit.
On June 21 the north pole is tilted 23.5 degree towards sun and the northern hemisphere experience summer solstices which is known as longest day of the northern hemisphere year.
On 21 June, the southern hemisphere is tilted 23.5 degree away from sun and southern regions of earth experience the shortest day of the year which is known as winter solstices.
Therefore In the northern hemisphere summer solstice occurs when the earth north pole is tilted towards the sun, longest day and winter solstice when the earth north pole is tilted away from the sun shortest day . Thus both the option a and c are correct.
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How is this helpful in human immune response?
Answer:
i can't the pic that well
Explanation:
Answer:b
Explanation: because if u look at its face it’s his system in his body
select 3 terms that apply to level 1 of the pyramid
15. What is the function of the electrons as they move along the electron transport chain?
Answer:
The direct purpose of moving electrons down the electron transport chain is to pump protons (hydrogen ions) into the intermembrane space. This creates a chemiosmotic gradient that the cell uses to generate ATP by selectively allowing hydrogen ions to move back into the mitochondrial matrix.
Explanation:
Which is true of scientific methods?
Ο Α.
A. They include a set number of steps to follow in order
B. To be fair, they must include the use of a model.
o
C. Only some of the hypotheses have to be testable,
O D. They help scientists organize their investigations.
Answer:
A. They include a set number of steps to follow in order
why are maggots bred in a sterile environment
How does the body regulate dopamine
Answer:
Self discipline
Explanation:
Answer:
Inside the brain, dopamine plays important roles in executive functions, motor control, motivation, arousal, reinforcement, and reward, as well as lower-level functions including lactation, sexual gratification, and nausea. The dopaminergic cell groups and pathways make up the dopamine system which is neuromodulatory.
Explanation:
Striatal dopamine release is mediated by vesicular exocytosis. Active zone-like sites are required for rapid and efficient dopamine secretion. Localized dopamine release generates signaling hotspots and is powerfully regulated. Some striatal dopamine release is independent of ascending action potentials.
The total number of fossils that have been discovered and the information derived from them is called the...
A. Chronological order
B. Common ancestry
C. Sedimentary block
D. Fossil Record
E. Metamorphic rock
F. Nitrogen dating
G. Timeline
Where in the cell is dna copied into rna? Cytoplasm or the nucleus
Answer:
nucleus
Explanation:
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The following passage describes inheritance.
Complete the passage by writing a suitable word or words on each dotted line.
A gene is a section of a double-stranded molecule known as
This molecule is found within the
of the cell,
contained in threadlike structures called
The two strands form a double helix linked by a series of paired bases.
The base adenine is always linked to
and the base cytosine
is always linked to
Your answer
Answer:
A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.
