Answer:
False.
True.
True.
Explanation:
Voluntary reflexes close in the spinal cord. (False).
Chains of reflexes conditioned in a certain order are instincts like defense against fire. (True)
The gray matter forms the cerebellar cortex in the large brain. (True)
Voluntary actions are done with consciousness and controlled by the brain, while reflex actions are done with unconsciousness and controlled by spinal cord. Reflex actions are the sudden actions taken by the spinal cord instead of brain because this action is performed quickly in order to avoid the damage.
In what plant cell structured as photosynthesis occure
exploring science working scientifically
Which of the following must occur before DNA replication can take place?
Answer:
Before replication can occur, the length of the DNA double helix about to be copied must be unwound. In addition, the two strands must be separated, much like the two sides of a zipper, by breaking the weak hydrogen bonds that link the paired bases.
Explanation:
What cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?
A. Endocytosis vesicles
B. Carrier proteins
C. Hydrophilic phospholipid tails
D. Golgi complex vesicles
Answer:
B. Carrier proteins
Explanation:
Water-soluble materials, such as glucose, amino acids, and ions, need help to cross the membrane because they are repelled by the hydrophobic tails of the phospholipid bilayer. The tails are not hydrophilic.
Endocytosis vesicles are an example of active transport, they require energy to allow large molecules to be taken into the cell through a system of vesicles.
Golgi complex vesicles deliver proteins and other macromolecules outside of the cell from the inside.
Carrier proteins can participate in both active and passive transport across cell membranes. For example, carrier proteins with channels can help molecules cross the membrane passively.
Why is an environmental contingency plan important?
a.
An environmental contingency plan is important to assess the effort required to make environmental changes.
b.
The effects of environmental changes cannot be determined with certainty, so contingency plans are necessary to effectively deal with unexpected changes.
c.
New environmental conditions cannot be developed without the existence of an environmental contingency plan.
d.
All of the above
is this (A) (B) (C) (D) like can someone please say
Answer:
B!!! The effects of environmental changes cannot be determined with certainty, so contingency plans are necessary to effectively deal with unexpected changes.
Explanation:
According to the research, contingency plans are necessary to effectively deal with unexpected changes.
What are contingency plans?It is a type of preventive, predictive and reactive plan that allows minimizing the possible risks that can negatively affect an activity and deal with unexpected changes.
It presents a strategic and operational structure that will help control an emergency situation and minimize its negative consequences of environmental changes.
Therefore, we can conclude that according to the research, contingency plans are necessary to effectively deal with unexpected changes.
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what is exponential growth? do most populations grow exponentially if not what pattern does describe their growth
Answer:
you are correct and exponential growth is also imppossible
Explanation:
Where does the blood go when its pumped out of the right ventricle?
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
PLEASE HELP I AM TIMEDD!!!!
12.Thomas needs aluminum for his science experiment. He obtains 2 pieces of shiny metal. One is labeled “Al” but he is not certain if the other piece is also aluminum. Which property would Thomas most likely test first to confirm if the second piece is the same?
a. Density
b. Flammability
c. Boiling point
d. Solubility
Answer:
density
Explanation:
starch is a ____.
-monosaccharide
-disaccharide
-hormone
-polysaccharide
Answer:
Polysaccharide
Explanation:
HELPPP PLEASE HELP ASSAP
Answer:
Exchange gases with the air.
Explanation:
The part of the body it shows is the respiratory system.
Answer:
the one u picked
Explanation:
you need food to survive
What is the aging process of a star called
Answer:
Stellar evolution
Explanation:
hope this helps!!
Answer:
Stellar evolution
Explanation:
Stellar evolution is the process by which a starchanges over the course of time. Depending on the mass of the star.
???usually means clear weather because stable air is sinking.
O A. High humidity
B. Lower air pressure
C. Low humidity
D. Higher air pressure
High air pressure usually means clear weather because stable air is sinking. The correct option would be D.
High air pressureHigh air pressure usually causes the sky to be clear.
This is because high air pressure causes the air at the lower atmospheric level to sink down towards the earth.
This is unlike low air pressure. It brings a cloudy sky along with precipitation.
More on air pressure can be found here: https://brainly.com/question/15189000
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Which strategy for comprehension takes a reader beyond what is on the page?
Answer:
i think i know the book maybe i looked at the wrong one but heres what i got
Explanation:
the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself.
hope this answer you! have a great day.
question one: why do stars change very little while they are in the main sequence stage?
question two: why does a main sequence star eventually grows in size to become a red giant?
Answer:
Q1 As the main sequence star glows, hydrogen in its core is converted into helium by nuclear fusion. When the hydrogen supply in the core begins to run out, and the star is no longer generating heat by nuclear fusion, the core becomes unstable and contracts.
Q2When stars first begin to fuse hydrogen to helium, they lie on the zero-age main sequence. ... The core of a red giant is contracting, but the outer layers are expanding as a result of hydrogen fusion in a shell outside the core. The star gets larger, redder, and more luminous as it expands and cools.
Using the cubes above, which of these statements is true?
A. The large cube has more volume than the small cube
B. The small cube has more volume than the large cube
C. Both cubes have equal volume
D. Neither cube has volume
Answer:
A. The large cube has more volume than the small cube
Developing a fever of 103 degrees F, a headache, and complaining of abdominal pain. As you examine her throat, you see that in addition to red and enlarged tonsils, that there are white patches on them, and that there are swollen lymph glands on both sides of her neck.
Answer:
Streptococcal pharyngitis.
Explanation:
Streptococcal pharyngitis is a throat infection also called as strep throat. in this infection, the patient experiences high fever, a headache, and abdominal pain. The throat has red and enlarged tonsils with white patches on them and also swollen lymph glands on both sides of her neck. Streptococcal pharyngitis infection is caused by the bacteria.
Which combination of particle and charge is correct?
A) proton: positive charge
B) electron: no charge
C) neutron: negative charge
D) proton: negative charge
plzzz hellllpppp!!!!
Answer: choice A
Explanation: hope this helps
SORRY IF IM WRONG
Together, photosynthesis and cellular
respiration make the:
A.water cycle
B.oxygen cycle
C.carbon cycle
Question
The cells ilustrations below represent diferent stages of meiosis. In which order would these
How do human beings negatively affect the carbon cycle?
Human beings burn fossil fuels, which contribute carbon dioxide to the atmosphere.
Human beings conserve resources, which decrease resources for the carbon cycle.
Human beings mine resources, which increases the amount of oxygen available to the carbon cycle.
Human beings use carbon-based pencils, which decreases the amount of carbon dioxide in the atmosphere.
Eww
Answer:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.
Explanation:
Brainliest please?
Distributing materials like nutrients, oxygen,
water and waste throughout the organism...
a. Transport
b. Nutrition
c. Homeostasis
d. Metabolism
Answer:
Transport
Explanation:
When distributing it is TRANSPORTING those things through the organsim.
Answer:
Transport
Explanation:
are you a bts A.R.M.Y???
PLZ HELP QUCIKLY DUE SOON!!!! THXS :)
What is the term that describes a collection of metabolic reactions necessary for the survival of living cells
respiration
anabolism
photosynthesis
metabolism
Answer:
Metabolism
Explanation:
For the following questions write "true" if the statement is true. If the statement is false, correct the
underlined word to make the statement into a true statement.
9.
The energy flow in photosynthesis and cellular respiration occurs in the
same direction.
10.
Photosynthesis deposits energy in Earth's "savings account" for living
organisms.
11.
Cellular respiration removes carbon dioxide from the air.
12.
Photosynthesis takes place in nearly all life.
Answer:
9. False
- opposite
10. True
11. False
- oxygen
12. False
- cellular respiration
False, true, false and false are the respective answers for the following statements.
What is similarity between photosynthesis and cellular respiration?During the process of photosynthesis, carbon dioxide and water are converted into oxygen and glucose. The plant digests glucose for fuel, and the production of oxygen is a by-product of this process.
During the process of cellular respiration, oxygen and glucose are converted into water and carbon dioxide. Water and carbon dioxide are the by-products of the process, while ATP is the energy that is converted throughout the reaction.
Therefore, photosynthesis remove carbon di oxide from the air.
Learn more about photosynthesis and cellular respiration, here;
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What are some possible future career fields in environmental science?
Answer:
Environmental Scientist.
Environmental Lawyer.
Environmental Engineer.
Zoologist.
Conservation Scientist.
Hydrologist.
Explanation:
In the event of a mismatched nucleotide , which molecule is able to backtrack , "proofread , " and correct the nucleotide sequence ?
A. DNA Proofreadase
B. DNA Polymerase
C. DNA Helicase
D. DNA Primase
Answer:
The molecule that is able to go back and correct an error in the DNA nucleotide sequence is DNA polymerase (option B).
Explanation:
DNA polymerase is not only the enzyme that contributes to the polymerization of a new DNA strand during the replication process, but it can also correct errors in synthesis, such as when a mismatched nucleotide is placed.
Once an error has been detected during synthesis, the DNA polymerase —acting as a 3'-5'- exonuclease— reverses the process, the direction of synthesis, to correct the error which in this case is the mismatched nucleotide.
The other options are not correct because:
A. DNA proofreadasa does not exist.
C. Helicase breaks the hydrogen bridges that bind the nucleotides allowing the separation of the DNA strands. In some cases, it also acts as a DNA repairer
D. DNA Primase is responsible for the synthesis of primers.
The molecule that is able to get back to the correct the errors in the DNA is DNA Polymerase.
The polymerase is a member of the family of enzymes which synthesis the DNA molecule and forms triphosphate. They are essential for the replication of the DNA.Hence the option B is correct.
Learn more about the mismatched nucleotide , which molecule.
brainly.com/question/19551220.
hey guys quick question. You know how on the internet there are pictures of bacteria like what it looks like underneath a microscope? How do they get that picture if its microscopic???
The apples at the local supermarket have been genetically engineered to resist warmer temperatures than they did before. What do these apples contain? transgenic DNA transgenic organisms recombinant DNA recombinant organisms
Answer:
recombinant DNA
Explanation:
i took the quiz
Answer:
Recombinant DNA.
Explanation: This is the correct answer on Edge 2020 (just took the quiz and made a 100% ^-^).
Cells within organisms often need to communicate and work together to carry out life's processes. Which of the following enables cells to communicate?
answer 14 and 15 best answer gets brainliest
Answer:
14- July
15- the precipitation would be in the form of ice or snow.
Explanation: