Answer:
C
Explanation:
It controls muscle contraction
Answer:
C
Explanation:
Breathing pretty much requires complex interactions of central nervous system with the respiratory system. Therefore as you breathe muscle contraction occurs making the nervous system and respiratory system work hand in hand.
hope this makes sense.
:)
When does facilitated diffusion occur
Answer:
Facilitated diffusion takes place due to a difference in concentration on both sides of the membrane, in the direction of the lowest concentration, and does not require energy.
What’s was the purpose of Miller and Urey’s experiment
Answer:
D
Explanation:
to find out how biological molecules could have first formed
define the inner layers of earth
Answer:
the inner most layer of the earth is known as the core it is divided into inner core and outer core . it comprises of a high concentration of nickel and iron. here is your answer thanku
Inner Layers are also know as the internal layers of a multilayer PCB. The laminate and dielectric thicknesses as well as the copper weights of inner layers are predefined for our Standard Constructions.
God bless you
What is the independent and dependent variable? Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators
__________________________
How do buffers play a role in
homeostasis in living things?
Answer:
Buffers are commonly used in living organisms to help maintain a relatively stable pH.
In biological systems, chemical buffers prevent sharp and sudden changes in pH.
In biology, homeostasis refers to stable conditions required for the survival of organisms.The pH is a scale used to determine how acidic/basic water is. The pH range from 0 to 14 ( a pH equal to 7 is neutral).In human blood normal pH is about 7.35 to 7.45. A sudden change in this value alters and negatively affects the homeostasis of the body.The carbonic acid-bicarbonate is the most important chemical buffer which is used for mantaining acid-base balance (homeostasis) in the blood.The blood pH can change due to respiratory acidosis/alkalosis and metabolic acidosis/alkalosis.In conclusion, chemical buffers prevent sharp and sudden changes in pH.
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Which of these does not affect an individual’s metabolic rate?
A-their height
B-The genes they inherited
C-The muscle to fat ratio
D-The amount of exercise They do
water pollution is bad because
(a) is difficult to prevent
(b) is a natural consequences of farming
(c) is difficult to detect
(d) harm living things
Answer:
d harming living things.
Answer:
It harm living things
Explanation:
Because if a water is polluted it harm living things
A main strand of a DNA molecule in a protein coding region is transcribed along the following nucleotide sequence: 5' TACATTAAGCCG 3' . Assuming there is no stop codon in this DNA fragment, how many codons does this sequence contain
Answer:
4 codons
Explanation:
In a DNA sequence, codons are in a set of 3 base pairs.
So, we can calculate the number of codons in the sequence by dividing the total number of base pairs by 3.
There are 12 base pairs in the sequence. Divide this by 3:
12/3
= 4
So, there are 4 codons in this sequence.
Plz help me ASAP TwT
Answer:
Response
Explanation:
It is response because your pupils are responding to the light flashing in your eyes and therefore they get smaller.
Hope this helps :)
Answer:
Response
Explanation:
We can use process of elimination. Reproduction does not fit in this context--nothing is reproducing. Nothing is growing, either. Development usually refers to when an organism develops, which doesn't fit this context either. Response is the only one that fits--your pupils are responding to the sudden light.
An idea that has been tested repeatedly and has gained acceptance is called a...
Law
Hypothesis
Theory
Controlled experiment
Which one?
name three pathogens that are attacked by the immune system
Answer:
hi i think the first person answer is right
What are Carotenoids?
A. Pigments that reflect purple light.
B. Pigments that reflect green light.
C. Pigments that reflect orange light.
D. Pigments that reflect blue light.
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Question
Use the text to identify the sentences with evidence that matches the claim.
Claim 1 --> Tropical rainforests contain more biodiversity than all other biomes.
1) Biodiversity refers to the total number of different species of all kinds living in an area.
2) Tropical rainforests have many of the climate characteristics that organisms of different species need to grow, such as warm temperatures, plenty of rain, and many food sources.
3) There are large amounts of daily sunlight, which provides a great deal of energy to a variety of rainforest organisms.
4) Surprisingly, rain forest soil is very poor.
5) Due to the large amounts of rainfall, nutrients are leached out of the soil quickly.
6) Warm temperatures cause dead organisms to decay quickly, and the nutrients are then used by many different plants.
1, 2, 5
1, 2, 5
1, 3, 4
1, 3, 4
2, 3, 6
2, 3, 6
1, 4, 5
Answer:
44
Explanation:
44-7=55
You are performing a biochemical purification of enzymes involved in DNA replication. You have purified the replisome. You wish to purify the primosome. You perform further separation techniques on your purified replisome. How will you test to determine that you have purified the primosome
Confirm that the sample has both helicase and primase activities, but not the ability to synthesize DNA
The replisome is a multiprotein-RNA complex that is required for the replication of DNA. The replisome consists of different proteins which include:1. Helicase enzymes that unwind and separate the DNA strand
2. Replication factor C (RFC), a DNA-dependent ATP that acts as an activator of DNA polymerase.
3. Proliferating cell nuclear antigen (PCNA)
4. DNA gyrase/topoisomerase that cuts and reseals DNA strands, which is essential for DNA synthesis.
5. Primase enzyme that synthesizes short RNA fragments called primers.
6. DNA polymerase III, an enzyme that catalyzes the polymerization of deoxyribonucleotides into a DNA strand.
7. DNA ligases enzymes that form phosphodiester bonds at a single-strand break in DNA
A primosome is a multiprotein complex responsible for creating RNA primers on single-stranded DNA (ssDNA) during the replication process.The primosome is composed of different primase and helicase enzymes. In Escherichia coli, it consists of PriA helicase, PriB, PriC, DnaB helicase, DnaG (encoded by the dnaG gene), DnaC and DnaT primase.Learn more in:
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An organism that produces its food by photosynthesis _____.
must be placed in the Plantae kingdom
must be placed in the Animalia kingdom
may be placed in the Animalia kingdom
may be placed in the Plantae kingdom
must be placed in the Plantae kingdom
how does a classification key help identify an organism , help me please
Answer:
Classification keys are tools that provide a means to correctly identify different organisms, based on observable traits. A dichotomous key is a listing of specific characteristics, such as structure and behavior, in such a way that an organism can be identified through a process of elimination.
A scientist wants to test how a species of insect reacts to changes in its
environment. She puts the insect in a container and leaves it outside
overnight. Which is the dependent, rather than independent, variable in this
experiment?
O A. The amount of light available to the insect
O B. The dew that collects for the insect to drink
O C. The behavior of the insect in the container
O D. The change in temperature as the sun goes down
Answer:
C is the correct answer
Explanation:
How can organisms adapt to their environments? What does
"Survival of the Fittest" mean?
Answer:
The most adapted to its environment
Explanation:
Survival of the fittest means that the organism is the most adapted to its environment. Therefore the organism can survive through different conditions.
What is phobia? How many types does it contain?
Answer:
Phobias, however, go beyond normal fear and are irrational. The fear could be an animal, object, place or Phobias are irrational fears of a situations, objects or things that interfere with a person’s life. The American Psychiatric Association (APA) identifies three different categories of phobias: social phobias, agoraphobia, and specific phobias. When people talk about having a phobia of a specific object such as snakes, spiders, or needles, they are referring to a specific phobia.
Which of the following represents a mutualistic relationship?
1 point
Both organisms benefit
Both organisms do not benefit
One benefits and the other is unchanged
One benefits and the other is harmed
ASAP
Which of the following correctly describes Metaphase?
A. The Cytoplasm splits, forming two daughter cells
B. Centrioles move to opposite sides of the cell, nuclear envelop dissolves, chromosomes form
C. Chromosomes split and move to opposite sides of the cell, the cell elongates
D. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell
Answer:D
Explanation:
. Chromosomes line up at the metaphase plate, under tension from the mitotic spindle.
In the metaphase, mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell. The correct option is D.
What are spindle fiber?Spindle fibers form a protein structure that divides a cell's genetic material. The spindle is required to split the chromosomes in a parental cell evenly into two daughter cells.
During metaphase, these spindle fiber gets attached to centromere of the chromosome and align the chromosome at the equator.
Long protein fibers known as microtubules prolong from the centrioles in all directions, forming a spindle. Some microtubules connect the poles to the chromosomes via protein complexes known as kinetochores.
Spindle fibers from the opposite side of the cell connect to the chromosome's both these sister chromatids.
They connect at the kinetochore, which comprises a disc or protein on each side of the centromere. The chromosomes will be moved by the spindle fibers until they are aligned at the spindle equator.
Thus, the correct option is D.
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Which animal would most likely move fastest in the water?
(1) Sailfish
(2) Seahorse
(3) Blowfish
(4) Octopus
Answer:
Sailfish
Hope it is helpful
Which of these following correctly describes a way in which earth’s atmosphere interacts with the hydrosphere?
Answer:
water
Explanation:
Two decades after the Emerald River Dam was built, none of the eight fish species native to the Emerald River was still reproducing adequately in the river below the dam. Since the dam reduced the annual range of water temperature in the river below the dam from 50 degrees to 6 degrees, scientists have hypothesized that sharply rising water temperatures must be involved in signaling the native species to begin the reproductive cycle.
Which of the following statements, if true, would most strengthen the scientists’ hypothesis?
(A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.
(B) Before the dam was built, the Emerald River annually overflowed its banks, creating backwaters that were critical breeding areas for the native species of fish.
(C) The lowest recorded temperature of the Emerald River before the dam was built was 34 degrees, whereas the lowest recorded temperature of the river after the dam was built has been 43 degrees.
(D) Nonnative species of fish, introduced into the Emerald River after the dam was built, have begun competing with the declining native fish species for food and space.
(E) Five of the fish species native to the Emerald River are not native to any other river in North America.
[tex]Hello![/tex]
It is option A.
I'm sure about that.
Which of the following statements, if true, would most strengthen the scientists’ hypothesis?[tex]ANSWER:[/tex] (A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.
The theory of evolution states: Question 5 options: better adapted organism reproduce at a higher rate organisms change by acquired characteristics organism populations can change physically over long periods of time modifications in an individual is caused by its environment none of the above
Answer:
The theory of evolution was proposed by Charles Darwin and was first formulated in his book, "Origin of Species" in 1859. It focuses on the changes in species and populations over time
What are the basic units of a chemical element called?
A. Solids
B. Atoms
C. Molecules
D. Gases
Answer:
B) they are called atoms
atoms are the basic unit of elements
molecules are made up of atoms
If three plants grew to 20 cm, 25 cm and 15 cm, what would be the average height of the plants?
Answer:
20 cm
Explanation:
Including the exosphere, how many layers does Earth's atmosphere
have?
A. 3
B.8
C. 4
D.5
Explanation:
The correct answer is 5.
Hope it helps.
Which of the following represents biotic factors? 1. Sunlight II. Oxygen III Plants
1 and 11
ll and III
lll only
ll only
Answer:
1 and 11
Explanation:
The five abiotic factors are sunlight, temperature, water, oxygen, and soil.
Plants represent biotic factors.
What is a biotic factor?"A biotic factor is a living organism that shapes its environment. Example: plants, animals, microorganisms."
What is abiotic factor?"An abiotic factor is a non-living part of an ecosystem that shapes its environment. Example: sunlight, air, soil, water, etc."
What are the components of environment?The basic components of the environment are
atmosphere or the air,lithosphere or the rocks and soil,hydrosphere or the water,the living component of the environment or the biosphere.To know more about biotic factors here https://brainly.com/question/27430655
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A cell pumps hormones out into the bloodstream; a process that requires energy. If 4 ATP were converted to ADP, how much energy was used?
A. 4 kJ
B. 30.5 kJ
C. 122 kJ
D. 1600 kJ
It is 122KJ of energy is used from the conversion of ATP to ADP because hydrolyses of 1 mole of ATP requires 30.5KJ of energy. Therefore, if 4 ATP is hydrolyses, it will be 4× 30.5=122KJ. ... This energy is given out because there is cleavage of high energy phosphate bond in ATP while converting it into ADP.
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