Which membrane component is a glycoprotein?
ОА
ОD
ОB
ОC

Which Membrane Component Is A Glycoprotein?DBC

Answers

Answer 1

OA

Carbohydrates. Carbohydrates are the third major component of plasma membranes. In general, they are found on the outside surface of cells and are bound either to proteins (forming glycoproteins) or to lipids (forming glycolipids).

Answer 2
OA, hope that helped!!

Related Questions

lon khoáng nào đóng vai trò đặc biệt quan trọng trong quá trình đông máu?

Answers

Answer:

1. Xét nghiệm yếu tố đông máu để làm gì?

Để đánh giá khả năng đông máu như thế nào và quá trình đông máu kéo dài trong thời gian bao lâu, các bác sĩ sẽ tiến hành xét nghiệm các yếu tố đông máu.

Quá trình đông máu sẽ bảo vệ cơ thể bạn khi bị chảy máu. Tuy nhiên, nếu một cục máu đông hình thành trong tĩnh mạch bình thường thì đây là điều hết sức nguy hiểm vì có thể khiến cho dòng máu bị chặn đến tim, não, phổi.

Khi thực hiện xét nghiệm các yếu tố đông máu, sẽ biết được nguy cơ bạn bị chảy máu quá nhiều khi bị thương hay không hoặc có nguy cơ bị đột quỵ không.

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2. Các yếu tố đông máu gồm những gì?

Fibrinogen

Fibrinogen là yếu tố ảnh hưởng lớn đến quá trình đông máu

Sau đây là các yếu tố ảnh hưởng đến quá trình đông máu:

I - Fibrinogen: Fibrinogen là huyết tương có trọng lượng phân tử là 340.000, hòa tan được. Yếu tố này có mặt trong huyết tương với nồng độ là từ 100-700mg/ 100mL. Đa số Fibrinogen được tạo ra ở gan, vì thế đối với những bệnh nhân bị bệnh gan thì lượng Fibrinogen giảm trong máu tuần hoàn, sự đông máu bị ngăn cản.

II- Prothrombin: Prothrombin là protein huyết tương có trọng lượng phân tử là 68.700, có mặt trong huyết tương với nồng độ là 15mg/100mL. Gan sản xuất Prothrombin liên tục, chính vì vậy nếu gan bị suy yếu, lượng prothrombin sẽ giảm, gây ức chế sự đông máu.

III- Thromboplastin mô: Yếu tố này tham gia vào cơ chế đông máu ngoại sinh, thay thế phospholipid tiểu cầu và các yếu tố huyết tương. Bên cạnh đó, thromboplastin còn có tác dụng chống nhiễm khuẩn.

IV- Ca++: Quá trình đông máu không thể không có mặt của loại ion này.

V- Proaccelerin: Khi có nhiều ion Ca++ thì yếu tố này mất hoạt tính. Khi không có proaccelerin, người ta điều chế huyết tương bằng cách để lâu huyết tương lấy từ máu chống đông với oxalat.

VII- Proconvertin: Trọng lượng phân tử của yếu tố này là 60.000. Hoạt tính của yếu tố này trong huyết tương sẽ bị giữ lại trên màng lọc amiang;

VIII- Antihemophilic A: Để tổng hợp yếu tố này, phụ thuộc vào rất nhiều gen trong các nhiễm sắc thể khác nhau. Thường thì antihemophilic được tổng hợp chủ yếu từ gan, lá lách và hệ thống võng nội mô. Khi thiếu ion Ca++ thì yếu tố này mất hoạt tính. Đây là yếu tố chống huyết hữu B;

IX- Antihemophilic B: Chống huyết hữu A.

X- Stuart: Stuart có trong huyết tương, ở dưới dạng không hoạt động. Trong quá trình đông máu nội sinh có sự tham gia của yếu tố này. Khi cho thromboplastin mô vào quá trình đông máu ngoại sinh, sẽ không còn yếu tố stuart.

XI- Plasma Thromboplastin Antecedent (PTA): Quá trình khởi phát đông máu nội sinh không thể thiếu yếu tố PTA.

XII- Hageman: Động lực để tạo thành một loạt phản ứng dẫn đến đông máu là sự tiếp xúc giữa yếu tố XII với mặt trong mạch máu tổn thương cùng sự có mặt của phospholipid tiểu cầu. Bên cạnh chức năng hoạt hóa hệ đông máu, Hageman còn hoạt hóa hệ đông máu, hệ bổ thể và hệ chống đông.

XIII - Fibrin Stabilizing Factor ( FSF): yếu tố này có hoạt tính bền vững trong huyết tương, ổn định fibrin.

Explanation:

why is mechanical digestion of food important?? please help I only need one reason marking brainliest btw

Answers

Answer:

it makes the food smaller

Explanation:

Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.

During meiosis, the cells that are created are used during
a. regeneration of new tissue
b. regeneration of worn out cells
c. fertilization
d. cytokinesis
e. more than 1 answer is correct

Answers

Answer:

C

Explanation:

because fertilization is the fusion of male gamete and female gamete that arises from meiosis

According to the dihybrid cross below, what proportion of peas would
be green and smooth?
A) 9/16
B) 1/4
C) 3/8
D) 1/16

Answers

Answer: is A. 9/16

Explanation:

what is the first color of the rainbow?​

Answers

Answer:

red

Explanation:

red it the first color

What element is found in liver and is needed to prevent anemia?

Answers

Answer:

Iron (Fe)

Explanation:

Please answer this






Hh

Answers

Answer:

Emm... Answer what exactly

Why is it important for each cell to be surrounded by a cell membrane that prevents large molecules from leaving the cell?​

Answers

Explanation:

because cell membrane protect the cell

One possible result of chromosomal breakage is for a fragment to join a nonhomologous chromosome. What is this alteration called

Answers

Answer:

A translocation

Explanation:

What is the
Digestive process

Answers

Answer:

the digestive process is the process in which food travels down our thorax into our stomach where the acid breaks it down to gather nutrients and what not to fuel our body then the rest is turned into waste.

Explanation:

why it is important to base scientific theories and models on empirical evidence as opposed to other ways of knowing such as religion​

Answers

Answer:

A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory.

Explanation:

PLEASE HELP

Which of these contain

DNA and/or RNA?

Answers

Answer:

dna and rna

Explanation:

DNA is a double-stranded molecule, while RNA is a single-stranded molecule. ... DNA and RNA perform different functions in humans. DNA is responsible for storing and transferring genetic information, while RNA directly codes for amino acids and acts as a messenger between DNA and ribosomes to make proteins.Feb 2, 2020

help me brainlist if u right.​

Answers

Not much grass grows on the nesting grounds

Fill out the data table below with the range of each factor that will produce the optimal number of oxygen bubbles.

Answers

Answer:

B

Explanation:

why is cell division important for unicellular and multicellular organisms

Answers

Multicellular organisms need cell division to grow and to replace dead or damaged cells and unicellular cell division is the only way single-celled organisms can reproduce. It means the same as cells died.

what happens if the cell membrane does not pinch inward during telophase?

Answers

Answer:

It doesn’t pinch in for a plant cell because a plant cell has a cell wall. It grows a cell plate

I’m animals cells it should pinch in, but if it doesn’t, the cell can’t divide and you just end up with one cell containing 2 nuclei

PLEASE HELP ME IM TIMED!

Answers

Answer:

its D

Explanation:

which exam are you doing?

Edexcel GCSE combined science biology paper 2 2020
If you know any questions please tell me just one will do TOT

Answers

Just look up the mark scheme online

what are the consequences of either an incomplete or absent ""s"" stage of the cell cycle?

Answers

Answer:

If a cell has not properly copied its chromosomes or there is damage to the DNA, the CDK will not activate the S phase cyclin and the cell will not progress to the G2 phase. The cell will remain in S phase until the chromosomes are properly copied, or the cell will undergo programmed cell death.

Explanation:

The consequences of an incomplete/absent "S" stage in a cell cycle are ;

A programmed cell death The cell will not move to the G2 phase of the cell cycle

The absence or incomplete "s" stage of the cell cycle occurs when the a cell does not completely copy its chromosomes or when there is a significant damage to the genetic material ( DNA ) of the cell. when any of these abnormalities occurs the "s" phase stage of the cell cycle will not be activated until the cell chromosomes are correctly copied. Therefore the cell will not move to the G2 phase of the cell cycle

Hence we can conclude that The consequences of an incomplete/absent "S" stage in a cell cycle are ; A programmed cell death  and The cell will not move to the G2 phase of the cell cycle

Learn more : https://brainly.com/question/21087576

1. What is photosynthesis?
Photosynthesis is a process in which...

Answers

Answer: Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Explanation: During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Answer: photosynthesis is the process in which plants use sunlight , water and carbon dioxide to create oxygen and energy in the form of sugar .

Explanation: hope it helps you .

Lymph is __________. excess tissue fluid that has escaped from arteries excess tissue fluid that has leaked out of capillaries excess blood that has escaped from veins

Answers

Answer:

Excess tissues fluid that has leaked out of capillaries.

If laco were mutated, what effect would this have on lactose metabolism?

Answers

Answer:

If lacO were mutated, what effect would this have on lactose metabolism? The repressor would not properly bind to the operator, and the lac operon would be over expressed. How does the cell recognize that lactose needs to be metabolized? Lactose is converted into allolactose, which inhibits the lac repressor.

Explanation:

which process is a plant incapablevof conducting in the dark why​

Answers

Answer:

hiiiiiiiiiiiiiiiiiiiii

Answer:

During night hours, most plants switch from photosynthesis to the opposite process, respiration, in which carbon dioxide and water are produced rather than consumed.Explanation:

What Job classification has the most answer?​

Answers

‎[tex] \large \text{Answer} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]

Job classification is what a system is called that is designed to classify all jobs within a company and put them in a standardized scale based on the overall tasks, responsibilities, pay level, and duties associated with a specific job.

What is the importance of sea-floor spreading?

Answers

Answer:

Significance. Seafloor spreading helps explain continental drift in the theory of plate tectonics. When oceanic plates diverge, tensional stress causes fractures to occur in the lithosphere.

Explanation:

why do scientist say "Dont panic"​

Answers

Answer:

Because you could do something irrational

Explanation:

4. According to the data in Tables, which planet in the solar system has the greatest​

Answers

what table?

Explanation:

Buzz bugs lay eggs that burrow into polar bear skin write any 2 adaptations which it can have (it’s urgent)

Answers

Answer: See explanation

Explanation: They could have cold resistances since they are being born in a cold climate.

The plasma state occurs when _____.
o Solids are frozen
o gases are heated
o liquids are boiled
o solids are melted

Answers

Answer:

B. Gases are heated

Explanation:

Answer:

solids are melted

Explanation:

pls brainliestt

PLEASE HELP ME QUICK ILL GIVE 85 POINTS

Answers

Answer: I think b

Explanation: really sry if I’m wrong

Answer:

9j 7 77777 h7jhoa  lllll

Explanation:

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