What are some strength and weakness of cell membranes?

Answers

Answer 1

Answer:

Some strengths of the cell membrane would be being able to have control in what comes in and out of the cell. The cell membrane is semi-permeable meaning only certain things can come into the cell. In active transport, the membrane gives proteins to passing substances.

Answer 2

Answer:

1) a series of circulation cells for the tropics, (2) a series for the polar regions and (3) a very dynamic series of cells in the midlatitudes

Explanation:


Related Questions

BEST ANSWER GETS BRAINLIEST

What is a polar molecule?

Answers

Answer:

a polar molecule is a molecule that has a charge on one side of the molecule, that is not cancelled out.

Explanation:

i hope this helps you!

Answer: a molecule that has both positive and negative ions

Explanation: a water molecule has an oxygen element and 2 hydrogen elements the oxygen is a negative ion and the hydrogen ions are positive

why is modification of seed is useful​

Answers

Benefits of modification of seed :-

More nutritious food.Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)Less use of pesticides.Increased supply of food with reduced cost and longer shelf life.Faster growing plants.

Although both eukaryotes and prokaryotes are capable of causing infectious diseases in humans, eukaryotes are unique because they have a/an:

Answers

Answer:

organized nucleus

Explanation:

what is all of the dna in a set of 23 chromosomes referred to as?

Answers

Answer: The Genome

Explanation:

a change in DNA structure that might be beneficial, harmful, or neutral. What is all of the DNA in a set of 23 chromosomes referred to as? The genome

How many chromosomes will be in a fertilized egg if the sperm has a monosomy disjunction error?

Answers

Answer:

About half of all girls with Turner syndrome have a monosomy disorder. Monosomy means that a person is missing one chromosome in the pair. Instead of 46 chromosomes, the person has only 45 chromosomes.

Explanation:

Have a great day!

what is the natural rate of nitrogen fixation in earth’s ecosystems?

Answers

Answer:

A reasonable upper bound for the rate of natural nitrogen fixation on land is thus about 140 Tg of N per year.

Which are two molecular groups that distinguish proteins from carbohydrates?​

Answers

Proteins are different from carbohydrates due to the presence of

NitrogenCarbonHydrogenOxygen

Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.

Answers

Prokaryotes don’t have nucleus
Eukaryotic have nucleus

Which process is absent in animal cells?


making proteins

chemical reactions

respiration

photosynthesis

Answers

Answer:

photosynthesis

Photosynthesis animal cells does not use a photosynthesis ☺️.

Explain what is wrong with the cells shown in the image below.

Answers

Answer:

wrong answer

Explanation:

it doesn't show any thing that why its wrong

a mechanism for evolution in nature

Answers

Answer:

Natural selection

Explanation:

Have a great day!

Answer:

natural selection

Explanation:

natural selection is one of many mechanisms for evolution in nature. it's one of the most viewed mechanisms for evolution. Natural selection occurs when one allele makes an organism that is more or less fit, that has the ability to survive and reproduce.

hope this helps :)

PLZ HELP BRO its about environmental systems​

Answers

The answer should be B

How does the water cycle cause weather? Choose any that are correct

Answers

Answer:the 1st and 2nd one

Explanation:

I’m probably late but the reason is that they help in the process of forming a cloud that will eventually lead to weather like it being cloudy or rain.

explain the interaction between geological events, human population, and the environment

Answers

The relationship between the environment, human population and geological events is complex and multidimensional. While human activities can also have significant effects on geological processes, geological events such as earthquakes, volcanic eruptions and climate change can have significant effects on the environment and human populations.

What is an Environment?

The conditions and forces that surround an organism, population or community are called its environment. It includes all elements of the Earth, both living and non-living, such as the atmosphere, hydrosphere, lithosphere, and biosphere.

The environment is a complex system that living things interact with and influence how they survive, develop and thrive. This includes biological elements such as plants, animals, microorganisms and their interactions, as well as physical elements such as temperature, light, water, soil, wind and topography.

Therefore, the relationship between the environment, human population and geological events is complex and multidimensional.

Learn more about Environment, here:

https://brainly.com/question/30821114

#SPJ2

Which of the following describes a process of succession after a forest fire?
A. Small plants and trees grow back at the same time.
B. Two types of plants grow side by side.
C. Small plants grow but are eventually replaced by larger plants.
D. Animals and plants both grow in the area.
SUBMIT

Answers

Answer:

D if I'm D correct, or A maybe C, mostly D.

Answer:

C. Small plants grow but are eventually replaced by larger plants

Explanation:

The purpose of the light-dependent reactions of photosynthesis is to -

a
split water to form oxygen
b
produce sugars
c
join glucose molecules to form starch
d
uses energy molecules like ATP

Answers

I think the correct answer is B.

what are the two primary types of water pollution that have to do with where the pollution came from
Point source and non point source
Physical and liquid
Groundwater and surface water
Chemical and biological

Answers

Answer:

Groundwater and surface water .

Explanation:

Note:- If you have more questions then let me know !!

HELPPPPP!!!!!
The following are true of DDAVP or desmopressin except
D. it helps to stimulate the urinary bladder to produce more urine.

C. it is administered by injection

A. it is a form of vasopressin

B. it is used to take the place of ADH

Answers

Answer:

i think its B

Explanation:

The following are problems with rapid growth *
•overcrowded schools
•polluted rivers and drinking water
•barren land
•all above

Answers

Answer:

all above

Explanation:

Why do cells go through division?
A. Repair
B. Reproduction
C. Growth
D. All of these are correct

Answers

Answer:

The answer should be D because all of these are the reasons.

I would say the answer is A and D and not B as cell division is the process of when the cell grows in the interphase, the nucleus go to opposite side of the cell and then they split pls make me brainliest if ur reading yhis :)

Multiple choice please help!

Answers

Answer:

A=T is the answer ..............

Answer:

The correct answer is A) A=T

Explanation:

Which of the following is an example of an adaption?

A: Wolves work together to catch prey
B: A dog walks without pulling on its leash
C: Ducks swim near the shore by a picnic area, where food is always available
D: Birds living near a highway learn not to fly away every time a car passes

Answers

Answer:

D

They are adapting to their environment to increase chances of survival.

Explain the carbon circle in 5 sentences

Answers

________________$$$$$

______________$$____$$

______________$$____$$

______________$$____$$

______________$$____$$

______________$$____$$

__________$$$$$$____$$$$$$

________$$____$$____$$____$$$$

________$$____$$____$$____$$__$$

$$$$$$__$$____$$____$$____$$____$$

$$____$$$$________________$$____$$

$$______$$______________________$$

__$$____$$______________________$$

___$$$__$$______________________$$

____$$__________________________$$

_____$$$________________________$$

______$$______________________$$$

_______$$$____________________$$

________$$____________________$$

_________$$$________________$$$

__________$$________________$$

__________$$$$$$$$$$$$$$$$$$$$

Answer:Carbon moves from the atmosphere to plants.

Carbon moves from plants to animals.

Carbon moves from plants and animals to soils.

Carbon moves from living things to the atmosphere.

Carbon moves from fossil fuels to the atmosphere when fuels are burned.

Carbon moves from the atmosphere to the oceans.

1.3.1 Project - Semester 1 Honors Biology Project, Part 1 (Project) PLEASE DONT KNOW WHAT IT TOPICS IT MEANS TO CHOOSE FOR THIS PROJECT

Answers

Answer:

This is very vague. I am pretty sure that there are other instructions.

Which of these structures are used to eliminate wastes in an earthworm?

A. Nephridia
B. Sperm ducts
C. Oviducts

Answers

Answer:
A: Nephridia


The organelles that break down lipids, carbohydrates, and proteins into
small molecules that can be used by the cell are called *
A. vacuoles
B. lysosomes
C. ribosomes
D. microfilaments

Answers

Answer: B
Explanation: Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids.

We need to recycle our waste because Earth is a closed system with respect to
matter, and new matter does not enter the environment. Agree or disagree

Answers

I disagree because although recycling is good, Earth firstly is not a closed system and new matter enters the environment all the time, such as comets.

In terms of matter, the Earth is often referred to as a closed system. In other words, the total amount of matter on Earth neither changes nor becomes more or less; Instead, it can take on different forms due to different processes.  So, I am agree with this statement.

Although the Sun provides the world with continuous energy, most of the actual matter on Earth is recycled and used in various cycles. Recycling of waste is important because it enables us to recover useful materials and resources, reducing the need for mining new raw materials from the earth. Recycling helps us to reduce the environmental damage caused by the extraction and disposal of waste as well as the depletion of natural resources. It helps maintain long-term equilibrium inside a closed system of matter on Earth.

Learn more about matter, here:

https://brainly.com/question/29232090

#SPJ3


Find three consecutive odd numbers whose sum is 117. Find two ways to do this.

Answers

this isn’t biology lol
38, 39, 40
The way I did this is I knew that 50 would be too high so I assumed it was somewhere in the 30’s or 40’s so I just tried the lowest numbers in both of them then the highest in the 30’s

Which of the following best describes an antigen?

Answers

d.a protein that attacks foreign molecules

B. A recognition molecule on the surface of the cells.

What is antigen?

An antigen is a substance that is capable of triggering an immune response in the body. It is typically a foreign substance, such as a pathogen (e.g. a virus or bacterium), a toxin, or a non-infectious particle (e.g. pollen or dust), that is recognized by the immune system as being foreign and potentially harmful.

When an antigen enters the body, it is recognized by immune cells called B cells and T cells, which produce proteins called antibodies to help neutralize and remove the antigen. The antigen-antibody interaction is a key part of the body's immune response and helps to protect us against infectious diseases.

Antigens can also be present on the surface of our own cells, such as cancer cells or transplanted organs, and can trigger an immune response if they are recognized as foreign by the immune system.

Overall, antigens are important components of the body's immune system and play a critical role in protecting us against infectious diseases and other threats.

Learn more about antigen at:

https://brainly.com/question/24384193

#SPJ3

The body has a number of systems that protect against infection.
Which of the following correctly orders four of these systems from most to least foundational?
Choose 1 answer:

A. B cell lymphatic tissue, lymph node, lymphatic system

B. B cell, lymphatic tissue, lymphatic system, lymph node

C. lymphatic tissue, B cell, lymph node, lymphatic system

Answers

Th appropriate ordering of the body system from least to most foundation in which they protect the body against infection is as follows.

 cell lymphatic tissue, lymph node, lymphatic system, option A is correct.

The body has levels of organisation that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs

Learn more t:

https://brainly.com/question/545714

Other Questions
I WILL GIVE BRAINLYEST IF YOU GIVE CORRECT ANSWER Solve for x: A. B. C. D. Pollution is a change in the water, air an ___ that can harm living things what is a2? ai + 1=ai +1 a0=0 ? Can you guys please help!!!!! I need to know what 13x4=nx26 means???!!!!???? Grace is a very ethical person and is good at her job. She works hard and always stays long hours at her office in Washington DC. Grace has worked her job diligently for the last four years, but has now lost it and needs to look for something else to do. She is not worried, however, because this is typical for her career and has happened to her before. What most likely describes why Grace lost her job? Grace was appointed to her job by a political party that was no longer in power. Grace was fired for failing to perform at work. Grace was fired for not behaving appropriately at work. Grace was appointed to her job and decided to look for other work within the field. Pls answer and give explanation will give brainiest when we simplify (ab + 3c)^2 we get 14. Write an equation for the line parallel to the given line that contains C.C(3,8); y = - 4x + 1 Ayo. Bestie. Had enough yet? Find the EXACT distance between the two points.(5,4) and (3,5) Solve the following system: y = x 3 2x y = 9 (2, 5) (5, 2) (2, 5) (2, 5). What is the defination for monocots and it's characteristics? Which excerpt from A Man's World contains a stage direction?A. FRITZYou are tired to-night, Yah? Un?B. FRANKNownowFritzieif you get fidgetyC. FRITZ(Sitting at L. of desk.) Nobut youD. FRANKKiddie will be the end of everything for me. Abigails family was going on vacation. They decided to rent a jet ski. When they went to rent the jet ski, they had to pay a $40 deposit and then $35 an hour. Which equation could be used to calculate how many hours they rented the jet ski if they ended up paying a total of $145.A. 145 + 35x = 40B. 35x = 145 + 40C. 35x - 40 = 145D. 40 + 35x = 145 Complete the given ordered pairs for the equation.y = 2x + 1(5, )(0, )(-2, ) A computer and printer cost a total of $930 . The cost of the computer is two times the cost of the printer. Find the cost of each item. Which are included in the inflammatory response? Select three options.painswellingantibodiesmucusredness 15. According to the passage, what is a benefit of daylightsaving time?O A more daylight for outdoor activitiesB darker days that allow for more sleepO C longer days for more work and schoolD better health during spring and autumn How could you describe the size of an atom?A It is so large it is bigger than a tree in the forest.B It is so small it cannot be seen without magnification.C It is the size of a grain of sand and can be seen with our eyes.D It is the size of an apple or a large piece of fruit. A corporation issues for cash $8,000,000 of 20-year, 8% bonds, interest payable semiannually. The amount received for the bonds will be: a. the present value of $8,000,000 to be repaid in 20 years, less the present value of 40 semiannual interest payments of $320,000. b. the present value of 20 annual interest payments of $640,000, plus the present value of $8,000,000 to be repaid in 20 years. c. the present value of 20 annual interest payments of $640,000. d. the present value of 40 semiannual interest payments of $320,000, plus the present value of $8,000,000 to be repaid in 20 years.