Why is it important that cell membrane contain openings into the cell?
It is important that the cell membrane contains openings into the cell because different ions and molecules enter and exit the cell through pores (membrane channels) located in the membrane.
What is the relationship between a person's PULSE RATE and his or her HEART BEAT? A. The heart beat is always double the pulse rate. B. The heart beat and pulse rate may change, but are always equal. C. The heart beat is always half of the pulse rate. D. There is no relationship between the heart beat and the pulse rate.
Answer:
B. The heart beat and pulse rate may change, but are always equal.
Hope this helps :D Have a fantastic day
Convection occurs because heated material becomes ____________________. A less dense and rises B denser and rises C denser and sinks D less dense and sinks
Answer: A less dense and rises
Explanation:
Convection is a type of heat transfer happens when there is a movement of fluid (liquid or gas) in which convection currents are produced due to the movement of hot fluid upwards and cold fluid downwards. This happens as the density of hot fluid decreases due to presence of less number of mmolecules per unit volume. As the hot liquid becomes less dense, it starts moving upwards.
Thus convection occurs because heated material becomes less dense and rises.
Which characteristic is not common to both prokaryotic cells and eukaryotic cells?
answer 18 and 19 Please help I will mark brainliest
Answer:
18. J.
19. B 23 chromosomes
Answer:
23
Explanation:
answer 18 and 19 Please help I will mark brainliest
I'll give you a cookie if answered
Answer:
a mutation
Explanation:
becaus ethere are diffrent traits wich would be a mutation im in middle school i learned this is 2 so trust me.
Answer:
variation
Explanation:
Any difference between individual organisms or groups of organisms of any species caused either by genetic difference or by the effect of environmental factors is called variation. Variation is observed in physical appearance, metabolism, behavior, learning and mental ability, and other visible characters of an individual.
Which is one of Edwin Hubble’s findings that supports the big bang theory?
The universe started at a central point.
Planetesimals formed in debris disks.
Visible matter only makes up about 5% of the universe.
The Milky Way is the only galaxy in the universe.
Answer:
A
Explanation:
There is a belief that there are as many neurons in the human body as there are stars in the Milky Way Galaxy. Do you believe this? How would you react on this?
Answer:
I do believe this. If you take the amount of neurons in the average adult body and expand them to the size of a say a blueberry It would expand to be the approximately the size of the sun
Explanation:
The given statement is true. It is a surprising fact that helps a person to believe that his brain has the power to take him beyond expectations.
What are Neurons?These are the nerve cell that is found in the brain and nerve tissue in the body.It has been estimated that there are 100 billion neurons in the human brain which is about the number of stars in our Galaxy.The human brain is very complex and this complexity comes from such a huge number of neurons.
Therefore, the given statement is true. It is a surprising fact that helps a person to believe that his brain has the power to take him beyond expectations.
Learn more about the human brain:
https://brainly.com/question/1282105
Can anyone help me please
which cells divide more often than other cells?
Help
That means we lose around 50 million cells every day. This is a lot of skin cells to replace, making cell division in skin cells is so important. Other cells, like nerve and brain cells, divide much less often.
PLEASE HELP I'm behind
Can some one tell me why i have no common since but i have all A's in school? Im really confused
Answer:
Well, sometimes you use the process of elimination in some areas.
Explanation:
For example,
You don't have common sense in math class, but you can determine how to divide and multiply an equation. Sometimes you don't have to be "AP Smart", and you can still have all A's.
Or you could just research the answers :)
Can enzymes work to catalyze another reaction once one is complete?
could u please help me !
which is NOT part of the cell theory?
A) all living thing a are composed of cells
B) Cells are the building blocks of germs
C) All cells come from other cells
D) Cells are the basic units of structure and function in living things
Answer:
B.
Explanation: Hope this helps! ^^
Would you expect the stomata of a desert cactus or the stomata of a water lily plant to close during the day?
The stomata of a desert cactus will close during the day.
STOMATA:
The stomata (singular- stoma) are structures on the leaves of a plant that helps in gaseous exchange i.e. entry and exit of CO2 and O2 gases. The stomata, however, when opened allows the passage of water vapor from the plant. Hence, plants utilize the opening and closing of stomata to regulate water loss. Desert cactus is a xerophytic plant meaning that they can survive in low water conditions. One way they adapt to their desert environment, which is characterized by low humidity, is by the closure of their stomata during the day. Therefore, the stomata of a desert cactus will close during the day.Learn more at: https://brainly.com/question/3387375?referrer=searchResults
Plz help me its only 1 question
Answer:
the first one
Explanation:
the car slowly started and accelerated
Its the second one. Since its continually accelerating.
According to the data in the table, what percent of the elodea cells is water? Explain how you arrived at this conclusion.
Answer:
99%
Explanation:
at a salt solution concentration of 2%, plasmolysis first started to occur. So the other 98% in the "solution" would have just been water. Since water inside cells needs to be greater than the amount of water outside the cells, we can say that the amount of water inside the elodea cells was 99% so that it can allow hypertonic plasmolysis to occur.
good luck in honors bio>.<
What are the processes that
turn a sedimentary rock
into a metamorphic rock?
is meiosis genetically identical?
Answer: No I read it on briticanna.com
Explanation:
When air has reached its dew point
A) Air has to be cold
B)Air can hold more water
C)Air is saturated
D)Air has low humidity
Answer:
When air has reached the dew-point temperature at a particular pressure, the water vapor in the air is in equilibrium with liquid water, meaning water vapor is condensing at the same rate at which liquid water is evaporating.....
Why are volcanoes so important to geologists?
Answer:
you can learn many things from them
Explanation:
scientists are able to examine, that volcanoes remove much of the earth's trapped heat when volcanoes erupt. Volcanoes also make new islands and scientists love to observe their habitats and the animals that inhabit them
what means biotic component?
The primary function of DNA is to
(ONLY ANSWER IF YOU KNOW ITS RIGHT)
direct RNA to make lipids
store and transmit genetic information
control chemical processes within the cell
prevent mutations
What is mass transport across the cell membrane
The mitochondria is:
Organelle found in all organisms that is the site of photosynthesis.
Reactants of cellular respiration
An Organelle found in most heterotrophs that organisms that is the site of cellular respiration
Reactants of photosynthesis
Need help. brainliy to the first person that answers is right telling why
How Biochemistry and Biometry are interrelated to each other?
Answer: The biochemistry is the scientific study of the chemical substances.
Explanation:
In biochemistry the chemical composition of the chemical substances and their involvement in the vital body processes in living organisms is studied. The function and structure of the chemical compounds and their associated biomolecules is studied thoroughly. The biochemistry is studied at the molecular and the atomic level. In biometry the structural dimensions of the biomolecules is studied. This way the biochemistry is linked with biometry.
The organisms most likely to belong to the same species are
A. organisms in a
pond.
B. birds in a forest.
C. people at a football
game.
D. bacteria inside a
person's body.
Answer:
C. People at a football game.
Which is held constant when a gas obeys Boyle's law?
A. motion
B. pressure
C. temperature
D. volume
Answer:
B
Explanation:
ganyan rin sagot ko sa module ko
When a gas obeys Boyle's law, the temperature is held constant. The correct option is C.
What is Boyle's law?Boyle's law is given by Charles Boyle. It is a gas law that states the pressure decrease with the increase in the volume and the temperature remain constant. In other words, the pressure exerted on gas is inversely proportional to the volume of the gas.
The law shows the relationship between pressure and volume, with the temperature remaining constant. There are three gas laws which are given by different scientists. These laws show the relationship between two variables and the third remains constant. These variables are temperature, volume, and pressure.
Thus, the correct option is C. temperature regarding the gas obeys Boyle's law, and it remains constant.
To learn more about Boyle's law, refer to the link:
https://brainly.com/question/1437490
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