What is the function of the cell membrane? A. To determine what materials can enter or leave a cell B. To package proteins in an animal cell C. To contain the genetic information of an organism D. To transport materials throughout a cell

Answers

Answer 1
A. to determine what materials can enter or leave a cell
Answer 2
The answer : A explanation:
Structure of Plasma Membranes
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.

Related Questions

Which illustration depicts homologous chromosomes? A single chromosome is shown. 2 identical chromosomes are shown.2 identical chromosomes are shown. A single chromosome is shown. 2 identical chromosomes are shown. 2 identical chromosomes are shown.

Answers

Answer:B

Explanation:

D is a Chromatid

Answer:

B.

Explanation:

Which of the following correctly orders planets by decreasing day length?
a. Earth, Jupiter, Venus
b. Venus, Earth, Jupiter
c. Venus, Jupiter, Earth
d. Jupiter, Earth, Venus

Answers

b venus earth Jupiter

Answer:

A. Earth is an inner planet.

B. Earth is more dense than Jupiter.  

D. Jupiter is mostly made of gas.

2021

When we extracted our own DNA last Friday, how did the things we used (Gatorade, alcohol, soap) relate to the things that are used in this virtual lab?

Answers

Answer:

Soap solution functions to dissolve the cell membranes, alcohol is used to precipitate DNA, and Gatorade is a isotonic solution.

Explanation:

In the DNA extraction protocols, the cell membranes that are formed by lipidic bilayers can be dissolved by using detergent solutions that are functionally analog to soap solution, shampoo, etc. On the other hand, alcohol enables to precipitate DNA (because DNA is not soluble in alcohol), while proteins and other cellular components remain in the extraction solution. Finally, Gatorade is a isotonic solution that may be used to prevent the cells from lysing.

Which of the following isn't a type of renewable
energy?
geothermal
wind
nuclear energy
water

Answers

Answer:

Nuclear Energy

Explanation:

Geothermal, or using the earth's heat, is renewable, as the world will continue to produce heat until it is gone, in which case, we will be gone too.

Wind, is renewable, for it is part of Earth's cycle, and there will always be wind.

Water is renewable, because of the water cycle, in which water will always be returned to the earth.

~

Renewable sources of energy are those who can be replenished although it's all over. Those sources of energy which are not renewable, should be used judiciously in order to save something for future generation.

Here, Geothermal energy is the heat released by earth by different means. Since, There are several more years for the Earth to die, It will never stop forming geothermal energy. Wind is the part of Cycle in Earth, So it will not finished anytime until The earth dies.Water evaporates and again comes back to earth by the process of hydrological cycle. Hence, There is very little chance of losing water, it can be replenished again. So,

Appropriate Answer:-

[tex] \large{ \boxed{ \bf{ \purple{Nuclear \: energy(c)}}}}[/tex]

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What is the motion of the particles in this kind of wave?

A hand holds the left end of a set of waves. The waves themselves make a larger set of waves in the same direction as that of the smaller waves. A label Wave motion is above the series of waves and an arrow next to the label points right.

The particles will move up and down over large areas.
The particles will move up and down over small areas.
The particles will move side to side over small areas.
The particles will move side to side over large areas.

Answers

Answer:

This type of wave is a transverse wave. Transverse waves are always characterized by particle motion being perpendicular to wave motion. Longitudinalwaves. Waves in which particles of the medium move in a direction parallel to the direction that the wave move

Explanation:

What kind of organism removes animal waste and dead plants from the environment?

A. a carnivore
B. a decomposer
C. a consumer
D. a producer

Answers

A decomposer
They decompose it

Describe what happened to the average yearly temperature on earth from 1970 to 1990. Give one possible reason why this change occurred.

Answers

Explanation:

In the given question, the graph has been shown representing the change in temperature on Earth between 1900 to 1990. The graph has been made by plotting temperature ( °F) on y-axis vs Year on the x-axis.

From the graph, it can be observed that the temperature on Earth has increased over the years but between 1970 to 1990 the temperature has increased from 56.9 °F to 58.1 °F approximately.

The reason for this increase in temperature could be accounted to the fact that the burning of fossil fuels like petrol, gas, coal and others increased over these years which increased the amount of carbon dioxide and other harmful gases in the atmosphere.

Due to the increase in these gas, the greenhouse effect was observed and the temperature of the Earth begins to rise at an alarming rate.

The profusion of skin colors and physical characteristics of different humans is due to __________.

a. the development of pure races

b. the differences in climate and other living conditions humans encountered as they populated the globe

c. biology rather than evolution

d. the emergence of dominant groups in the last three centuries

Answers

Answer:

D

Explanation:

The family trees and the punett square shows you.

The profusion of skin colors and physical characteristics of different humans is due to the emergence of dominant groups in the last three centuries.

What is profusion of skin colors?

The pressure needed to restore microcirculatory blood flow after the removal of a properly planned occlusion is known as skin perfusion pressure (SPP). A non-invasive test is the measurement of Skin Perfusion Pressure (SPP) with laser Doppler.

SPP measures have shown helpful in determining the best levels for amputation as well as in the assessment of peripheral vascular disease (PAD) for both critical limb ischaemia (CLI) and PAD.

Additionally, there is evidence in the literature that SPP measures can be helpful predictors of the potential for wound healing and, more recently, for the exploration of ischaemia over the ischial tuberosity in spinal cord injury patients.

Therefore, The profusion of skin colors and physical characteristics of different humans is due to the emergence of dominant groups in the last three centuries.

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If the number of frogs decreases which population will most likely increase

Answers

Answer:

flies because frogs eat flies

Explanation:

Answer:

Insects, Flies, dragon flies

I hoped this helped, but you didn't give me the answer choices.

How do renewable and nonrenewable resources differ?Which statement describes an advantage of renewable resources?

Answers

Answer:

The resource is renewable because its supply is replenished faster than it is used.Fresh water is a renewable resource, while coal is a nonrenewable resource because it takes millions of years to form.                                         lower environmental impact lower cost of production replenish faster than they are used more reliable than other resources produce cleaner energy

Explanation:

Hope this help

The resource is renewable because its supply is replenished faster than it is used. ... Fresh water is a renewable resource, while coal is a nonrenewable resource. How does fresh water differ from coal as a resource?

Who would win in a fight?...
A silverback gorilla or 4 Navy Seals?

Answers

A silverback gorilla!
No man can beat this fella right here!
Imagine weighing 150 kilos and still being that ripped!!

Answer:

big monke would win hes too stronk

Explanation:

Plants make food through photosynthesis, and photosynthesis takes place mostly in plant leaves, but when plants lose their leaves in the winter, they do not die. This is evidence that A. someone gives the plants food every day. B. plants store food for later use. C. photosynthesis also takes place in plant roots. D. plants can use heat in the ground to make food.

Answers

Answer:

I believe it is B. Plants store food for later use.

Explanation:

During the summer when there is abundant sunlight, the plants will store energy to use to survive in winter when sunlight is more scarce.

Answer:

The answer is B: Plants store food for later use. :)

Explanation:

Results in 2 new strands of dna

a. Transcription
B. Translation
C. Replication

Answers

Answer:

transcription

Explanation:

what’s the answer for 3 please help!

Answers

Answer:B

Description: species is your most specific. Domain is your most diverse

Answer:

B) Species, Genus, Family, Order, Class Phylum, Kingdom, Domain

Which is not an element of weather that is measured and analyzed to make accurate forecasts? a: relative humidity/dew point b: time c: cloud cover/visibility d: wind direction

Answers

Answer:

b: time

Explanation:

When meteorologists need to make a forecast they analyze different measurements in order to accurately make a forecast, these include patterns of winds, pressure, pressure change, temperature, humidity, clouds, and hygrometers. From the answers provided the one measurement that is not used is time. Mainly due to the fact that weather does not depend on the time of day, and any type of weather can be present at any time if the right circumstances exist.

Answer:

Wind direction

Explanation:

Weather forecast is simply known to be a way of telling the people of how the weather condition of a particular place will be at a particular time. This usually shows whether the day or time will be rainy or sunny.

In this case, what is not normally considered in whether forecast is wind direction. While other factors are always ingredients of weather forecasting.

¿Cuáles son las estructuras celulares que influyen en la

reproducción celular y cómo lo hacen?

Answers

Answer:

What are the cellular structures that influence the

cell reproduction and how do they do it?

Explanation:

that's the translation.

hope this helps

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each type of skeletal marking to its function

Answers

Answer:

Tubercle: allows tendons to attach to bone

Foramen: Allows blood vessels and nerves to travel through bone.

Fossa: Allows to bones to form a joint.

Explanation:

The tubercle or tuberosity in the human seletal system, is a protrusion that allows for attachment of skeletal muscles. The muscles attach by tendons, where the enthesis is the connective tissue between the tendon and bone.

Foramina inside the body of humans and other animals typically allow muscles, nerves, arteries, veins, or other structures to connect one part of the body with another.

Answer:

see image below

Explanation:

How can photosynthesis be related to cellular respiration?


-What's produced (made) by one is needed (the reactants) for the other.


-They both produce the same products.


-They both have the same reactants (need the same things).


-These two processes have nothing in common.

Answers

Answer:

These two processes are related because what's produced by one is needed for the other.

Explanation:

In photosynthesis, O2 and glucose are produced. Autotrophs (and heterotrophs too) use cellular respiration to make carbon dioxide and water from organic compounds - glucose - and oxygen; therefore, we can say that the glucose and oxygen are acting as reactants in the process of cellular respiration.

Photosynthesis can be related to cellular respiration because What's produced (made) by one is needed (the reactants) for the other.

What is photosynthesis and cellular respiration?Photosynthesis is a process by which plants produce oxygen and energy in the form of carbohydrates by combining sunlight, water, and carbon dioxide.Cellular respiration is a series of metabolic reactions and activities that occur within organisms' cells to transform chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP) and then release waste products (CO2).

How are Photosynthesis and cellular respiration interrelated?A significant link exists between photosynthesis and cellular respiration. The reactants of one process are the products of another. It's worth noting that the equation for cellular respiration is the total opposite of the equation for photosynthesis:

Photosynthesis: 6CO2 + 6H2O → C6H12O6+ 6O2

Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O

Photosynthesis produces the glucose required for cellular respiration and the production of ATP. After that, the glucose is converted to carbon dioxide, which is subsequently used in photosynthesis. During photosynthesis, water is broken down to generate oxygen, but during cellular respiration, oxygen is mixed with hydrogen to form water. Cellular respiration requires oxygen produced by photosynthesis and releases carbon dioxide, whereas photosynthesis requires carbon dioxide and releases oxygen.

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How do erosion and deposition work together to create a moraine?

Waves cause erosion along coastlines and deposit sand away from the shore.
Surface water in rivers causes erosion, carrying sediment that gets deposited near an ocean.
Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.
Winds cause erosion by blowing around sand that gets deposited in large piles.

Answers

Answer:

Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.

Explanation:

Glaciers are dynamic ice structures that change their size and shape as they grow and melt. Glaciers cause erosion as they melt, carrying sediment that gets deposited in a thick layer.

---------------------------------------

Glaciers have a high capability of soil denudation and erosion. They are capable of transporting many materials of varying sizes y drive them down the hills.

Remember that in the glacier's interior, there are melted ice streams that acquire a high velocity. They can move material from the base of the glacier and produce erosion.

The term moraine refers to the material deposition caused by glaciers. According to the glaciers' dynamics and the material deposited, there can be several types of moraines.

Fontal moraineBasal moraineEndoglacier moraineLateral moraineCentral moraine

Basically, moraines types depend on how materials get deposited as the glacier melts, or stays stable, or gets closer to another glacier, etcetera.

Materials can get deposited when falling from the surface of the ice in different directions. Material can sink into the interior of the ice and get deposited from there. Material can be driven directly along the glacier's base, as internal streams carry them and the glacier melts.

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Which of the following Solar System objects travels in an orbit around the Sun?
planets
moons
dwarf planets
comets
asteroids
Plssss help!!!

Answers

Answer:

here u go hope it is helpful

Answer:

plANETS

THE PLanets circle around the world

Question:
[tex]y = { - x}^{2} + 20x - 64[/tex]
Quadratic Equation
Formula:
[tex]y = {ax}^{2} + bx + c[/tex]
Please Help
​Math Question Not Biology

Answers

y=-(x^2-20x+64)
----find two numbers that multiply to 64 and add to -20. They are -16 and -4--
y=-(x-16)(x-4)
ROOTS : 16, 4

HELP ASAP PLEASE! BRAINLIEST & 30 POINTS FOR CORRECT ANSWER!
How does DNA evidence support the theory of evolution

Answers

Comparing DNA sequences examines the relationship between different species. If the theory of evolution is supported, then species that share a common ancestor willl have inherited that ancestors DNA sequence. Any mutations will cause slight differences in species. The more alike two DNA sequences are, the more closely related the two species are. The more differences in the DNA sequence, the more time has passed since they had a common ancestor and the less related the species are now.

I hope this makes sense. I just copied out of a book lol

Which of these organisms is most likely to evolve within a short period of time?
A Bacterium
B Oak tree
C Human
D Bird

Answers

Answer:

A Bacterium.

Explanation:

Bacterium reproduce much much faster than the other three, and with each generation, more chances of change in DNA

Write a hypothesis about the worms and lima
bean plants. Be sure to answer the lab
question, “How can the presence of one
species benefit another in the same
ecosystem?"
Hypothesis: If plants are grown in soil
containing worms, then...
because ..

Answers

Answer: If plants grow in soil containing worms, then plant growth will be greater, because worms help decompose organic matter

Explanation: just did it and got it right

If plants are grown in soil containing worms, then they will develop strong and healthy because worms provide the necessary elements to the soil by degrading organic matter.

What is a hypothesis?

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, but not a fact.

A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relation between variables. It must be objective.

There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative.

In this example we need to consider how the presence of the worms affect the bean plants development.

The variables are the presence of worms and the plants' development.

Hypothesis:

If plants are grown in soil containing worms, then they will develop strong and healthy because worms provide the necessary elements to the soil by degrading organic matter.

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Which word is the best synonym for stress

Answers

Answer:

Pressure, Strain or tension

Explanation:

The best  synonym for stress is Pressure, Strain or tension.

Answer is above

Hope this helps.

Explanation:

is this what you are looking for

Which of these is the BEST source of stem cells and minimizes the risk associated with stem cell transplantation?

Select one:
a. Stem cells from rejected grafts that initiated an immune response.
b. Stem cells preserved from the umbilical cord of the person.
c. Stem cells from a donor having the same blood group.
d. Stem cells from a donor who is the same age as the patient.

Answers

Answer:

B. Stem cells preserved from the umbilical cord of the person.

Explanation:

Help !!!
Climate change

Answers

The reduced the change of that matter

What are two strengths and two weaknesses of your model?

Answers

Answer:

strength: it provides raw material for plants and major component of food.

weaknesses: it increases earth's temperature and change the habitat.

Explanation:

The diagram shows the carbon cycle which is important cycle present on the earth. This carbon is present in carbondioxide form which is used as a raw material by plants in order to make their own food. This carbon is also present in different organic compounds. When its concentration increases in the atmosphere, the temperature of the atmosphere increases and many areas are not suitable to live for many plants and animals.

Answer:

The model is easy to read and it shows how the carbon cycle interacts with all four spheres. But it doesn’t show the complete carbon cycle. It also doesn’t explain how long these processes take place.

Explanation:

Plato Answer

Mr. lee is a scientist who is studying an extinct bird. He wants to learn more about it lived. Which feature of the bird would be the best thing for him to study to discover what the bird ate?

Answers

Idk

Explanation:

Im in 5th and need hel with this question please help!



Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the inability to taste a chemical known as PTC. The ability to taste PTC is determined by the presence of a dominant allele (T). Complete the missing boxes in the chart. The first row has been done for you as an example!


*Note: The ability to taste PTC may be more complex than a simple gene trait.

Answers

Answer:

I think this should be the chart you were interested in...

Explanation:

                                          Individual             Shape in              shaded

                                          phenotype           pedigrees

Male with gen. TT             PTC taster             square                No

Male with gen. Tt              PTC taster             square                No

Male with gen. tt               Non-taster             square                Yes

Female with gen. TT        PTC taster              Circle                  No

Female with gen. Tt         PTC taster              Circle                  No

Female with gen. tt          Non-taster              Circle                 Yes

*gen- genotype

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