The components of blood can be separated by spinning them at high speed.
Figure I shows a tube of blood that has been separated in this way.
Figure 1
substance X
white blood cells and platelets
red blood cells
- Identify the substance labelled X.

Answers

Answer 1

Answer:

Plasma

Explanation:

We don't have the figure, but I think the answer is probably plasma.

Blood plasma is the fluid that blood cells are suspended in. When blood is spun at high speed, the cells separate away from the plasma into different layers because of their different weights and shapes.

Plasma is liquid portion of blood. It transports nutrients and wastes and maintains  homeostasis.


Related Questions

All cells have a cell wall but only plant cells have a cell membrane

A) true
B) false
C) neither true or false

Answers

Answer: false

Explanation: Only plant cells have a cell wall. All feels have a cell membrane

All cells have a cell wall but only plant cells have a cell membrane. The given statement is false.

What is difference between unicellular and multicellular organisms?

The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialised it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.

Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.

In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour  at cellular, tissue, organs and organ system level.

Unicellular organism has simple body organization and multicellular organism have complex body organism.

Therefore, all cells have a cell wall but only plant cells have a cell membrane. The given statement is false.

Learn more about unicellular and multicellular here:

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10.
Both lipids and carbohydrates can be used by the cell as -
A. O replacements for salts.
В.
catalysts for metabolic reactions.
c. building blocks for RNA.
D
sources of energy.

Answers

D both can be used as sources of energy

The similarity between lipids and carbohydrates is that both are classes of chemical compounds that are found in living things. Thus, option D is correct.

What are the use of lipid and carbohydrate?

Two of the four significant biomolecules include lipids and carbohydrates. They are both sources of energy.

However, although lipids store energy for later use and release it more slowly, carbs are available as instant energy sources. Thus, this is the primary distinction between lipids and carbs.

More energy is stored in lipids than in an equivalent mass of carbs. To release their energy, however, carbohydrates are easier to digest than lipids.

This indicates that they are made up of many carbon atoms with bonds to oxygen and hydrogen.

Therefore, Both lipids and carbohydrates can be used by the cell as sources of energy.

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How are meiosis and mitosis different?

Answers

Answer:C

Explanation:Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells.

1. clumped population dispersal ___ resources
a) share
b) compete
c) are independent of
d) disperse

2. The level in which a population can no longer grow due to limited resources is referred to as,
a) K, carrying capacity
b) L, limited growth rate
c) D, death rate
d) N, no more nutrients

3.Most life on Earth exhibits which form of population growth curve?
a) logistic
b) exponential
c) algebraic
d) deductive

Answers

Answer:

compete

limited growth rate

logistic

Explanation:

Help???????? PLZZZZ!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

THE ANSWER ISSSSSSSSS HOST

Explanation:

Each phospholipid is has a head that gives it a _____________ property that allows it to be attracted to water.
a. polar
b. non polar

Answers

Answer: Polar

Explanation:

Rectangle JKML is rotated clockwise around point P. What is the angle of rotation? 45° 90° 180° 360°

Answers

Answer:

the awnser is a:45 degree

Explanation:

Answer: a= 45

Explanation:

Hope this helped

Which of the following is not a Polymer? *
a) protein
b) starch
c) nucleotide
d) lipid
e) DNA

Answers

DNA I had this before I’m sure it’s dna

summarize the three general steps involved in chemical
cycling:

Answers

Answer:

Explanation:

Chemical cycles typically involve three general steps: ... As organisms die, decomposers break them down, further supplying the soil, water, and air with chemicals in inorganic form. The producers gain a renewed supply of raw materials for building organic matter, and the cycles continue.

Changes in the periodic table from 1800's to the present are based on all BUT ONE of these factors.
A)
peer review
B)
empirical data
C)
fact verification
D)
journal publication

Answers

Answer:

Journal Publication

Explanation:

Once empirical data has been verified, reviewed, only then can it be published in a scientific journal. As the periodic table was developed and reconfigured, data was constantly tested, reviewed, and finally used for modifications.

Changes in the periodic table from 1800's to the present are based on all but one of these factors is Journal Publication.

What is Journal publication?

Once empirical data has been verified, reviewed, only then can it be published in a scientific journal. As the periodic table was developed and reconfigured, data was constantly tested, reviewed, and finally used for modifications.

A scholarly publication is another term that may be used to describe a peer-reviewed article.

In order to maintain academic scientific excellence, the peer-review process involves having other specialists in the same field (peers) examine an author's scholarly work, study, or ideas.

Therefore, Changes in the periodic table from 1800's to the present are based on all but one of these factors is Journal Publication.

To learn more about Journal publication, refer to the link:

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Which correctly lists three greenhouse gases?

oxygen, carbon dioxide, helium
carbon dioxide, nitrous oxide, methane
helium, methane, oxygen
methane, oxygen, carbon dioxide

Answers

Answer:

carbon, dioxide, nitrogen oxide, methane

Explanation:

fz f..

The correct list of greenhouse gases is: carbon dioxide, nitrous oxide, methane.

GREENHOUSE GASES:

Greenhouse gases are gases capable of trapping heat in their bonds and releasing it into the atmosphere.

Greenhouse gases are the major cause of global warming, which is the increase in the average temperature of the atmosphere.

Greenhouse gases include the following: carbon dioxide (CO2), methane (CH4), nitrous oxide (NO2), sulfur dioxide (SO2) etc.

Learn more about greenhouse gases at: https://brainly.com/question/11595872

How is the current trend of climate change different from previous cycles?
A. The temperatures are dropping more quickly.
B. The temperatures are changing more slowly.
C. The temperatures are much higher.
D. The temperatures are not changing as much

Answers

C. The temperatures are getting much higher.

Here you go :)

The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt. Climate change = more heat

So, the answer is  C

________

Answered by James

Which homeostatic process moves particles against a concentration gradient?
dynamic equilibrium
passive transport
osmosis
active transport

Answers

Answer:

Active Transport

Explanation:

Active transport is the movement of dissolved molecules into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. The particles move against the concentration gradient , using energy released during respiration.

  Whoever is reading this is really luck because i know all the answers to this quiz, the answers are:

B- osmosis

B- 12

D- active transport

B- during a negative feedback loop

C- 1000x

C- nucleic acids.

A, B, C, D, F, G- in saliva , in mucus , on a door handle , on a water fountain

C- Which cereal contains the most sugar?

C, D, E- Spindle fibers disappear,  Nuclear membranes form,  Cytoplasm starts to divide.

B- urine

C- cnidarians, mollusks, annelids, arthropods, echinoderms, chordates

A- The contractions would increase.

A- Interphase

B- the cell membrane

C- Its sex cells are haploid and a result of meiosis.

A- mitochondria

A- scanning electron microscope and scanning tunneling microscope.

B- velocity

A- a reflex

C- sublimation and melting

D- B-cells and T-cells

D- scanning tunneling microscope

C- pseudoscience

D- Leonna has a solid, Xiao has a liquid, Blake made a mistake, and Amir has a gas.

C- X: mostly unicellular, nucleus, make or consume food

    Y: mostly multicellular, nucleus, eat dead or decaying organisms

Sorry to everyone who didn't get 100% with all of these answers- these are the answers to the Cumulative Exam Review on edge! -Cvest

does anyone know what this is ?? ​

Answers

It’s A. Double stranded DNA consists of two polynucleotide chains whose nitrogenenous bases are connected by hydrogen bonds.

which of the following is the most common method of photosynthesis?
A: C3
B: CAM
C: rubisco
D: C4

Answers

Answer:

B: CAM

Explanation:

Answer:

C3

-C3 was the original

C4 and CAM have been discovered recently and are only seen in a few types of plants.

help............ty....... ​

Answers

I really hope this helps and this is right. I wasn’t sure what it was exactly asking. And I haven’t done this for awhile.

2. Which two biomes are known asthe dry biomes?
tundra and forest
desert and tundra
desert and grassland

Answers

the dry biomes are desert and tundra

Answer:

The desert and tundra biomes have very different temperatures as well as extremely different plants and animals. The desert can get very hot during the day, but cool off quickly at night. It has sandy soil and supports very little plant life. Animals found in the desert include lizards, javelinas, Gila monsters, coyotes, bobcats, scorpions, and kangaroo rats. The tundra is cold, dry, and often dark. The average temperature is about 10°F. The soil below the surface is permanently frozen, and is called permafrost. A few types of plants grow during the short summer season. Animals found in the tundra include caribou, foxes, wolves, and Arctic hares.

Explanation:

Use subsoil in a sentence.

Answers

Answer:

The soil is loam and the subsoil Old Red Sandstone, interstratified with cornstone at Pippin's Hill in the north. Copy

Many soils have a topsoil layer that is more permeable than the clay subsoil. Copy

It also includes the air and water space above, and the subsoil and bedrock below that.

Explanation:

What do scientists do when experiments are not possible

Answers

Answer:

Well, to be honest I think that they might just figure out another way to do that experiment.

Explanation: My reasoning is, that if an experiment isn't possible due to complications like maybe it could be to dangours or it could have reaction that they don't know about. So if they aren't able to do an experiment then they might find a safer one to do or they might just skip it and research more about it and see how it would react to certan things.

Suppose a scientist developed a hypothesis stating that a certain substance slowed down the growth of chili pepper plants. Briefly describe a controlled experiment
the scientist could conduct to test the hypothesis. Identify the controlled variables, the independent variable(s), and the dependent variable(s).

Answers

Answer:

The experiment consists of three different treatments:

1- Fifty (50) chili pepper plants treated with the substance X suspected to slow down the growth  

2- Fifty (50) no treated chili pepper plants that grown in normal conditions

3- Fifty (50) chili pepper plants treated with a substance known to slow down the growth (positive control)

Dependent variable: plant growth

Independent variable: the amount of substance x (suspected to slow down plant growth)  

Explanation:

The dependent variable is the variable that is being measured, while the independent variable isn't changed by the other variables in the experiment. In this case, the question is how chili pepper plants grow in response to the substance x, which is suspected to slow down the plant growth. During the experimentation, the plant growth will represent the dependent variable being analyzed. On the other hand, chili pepper growth will be in response to changes in the amount of substance x the plants receive, therefore being the independent variable.

Hypothesis development  for substance.

A hypothesis is a temporary or tentative arrangement or explanation that is made for the experiment on the basis of an assumption. The experiments highlight the development of certain substances that slowed down to the growth of the chili pepper plans.

Thus the answer is slow growth, normal growth, and positive fast growth.

The assumed experiment consists of 3 treatments. As the first (50) chili pepper plants treated with substance X tend to slow down the growth. The second plant shows a grown in normal conditions. The 3rd plant sows the slow down the growth (positive control).Thus the dependent variable is then planted growth and the independent variable is substance X.

Learn more about the scientist's development.

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Can you please help me

Answers

Answer:

Rights: bedbug removal, purchase agreement

Responsibilities: major repairs, rental walkthrough

1. The first living organism in a food chain is
a) producers
b) primary consumers
c) heterotroph
d) chemosynthesizer

2. The second living organism in a food chain is generally...
a) herbivore
b) carnivore
c) detrivore
d) a photoautotroph

3. Plants use nitrogen to grow and are generally helped by cycling N from the air to the land by bacteria in a process called...
a) nitrogen fixation
b) denitrification
c) decomposition
d) emmigration

Answers

Answer:

1-a 2-a 3-a

1. The first living organism in a food chain is

a) producers

b) primary consumers

c) heterotroph

d) chemosynthesizer

2. The second living organism in a food chain is generally...

a) herbivore

b) carnivore

c) detrivore

d) a photoautotroph

3. Plants use nitrogen to grow and are generally helped by cycling N from the air to the land by bacteria in a process called...

a) nitrogen fixation

b) denitrification

c) decomposition

d) emmigration

The digestive system's main function is to
O protect the body against infectious diseases
O support and protect the body's organs.
O store nutrients until they are absorbed into the bones O break down food to be absorbed in the bloodstream.​

Answers

store nutrients until they are absorned

What determines the vast majority of characteristics in an atom?

Answers

Answer:

The vast majority of an atom's properties are determined by the number of electrons (or protons) that an atom has

Explanation:

Examine the illustration.
Which structure in the cell contains the cell's genetic
information?
A
B
C
D

Answers

Answer:

b

Explanation:

b is the nucleus and it contains the dna

Answer:

B

Explanation: I took the test

Where does competition for reproduction most likely occur?

ecosystem
community
organism
population

Answers

Your answer is D .It's population because a community is the number of species able to reproduce in an area

PLEASE MARK ME AS BRAINLIEST

Population is your answer

Which crop needs waterlogging in the field for improved growth and production?​

Answers

Answer:

Rice

Explanation:

the half life of carbon-14 is 5730 years. a corpse is pulled from a bog and tested for C-14 beta radiation. the amount of radiation is 75% of the normal amount coming from living things. how long has the corpse been in the bog?

Answers

Answer:

%67

Explanation:

Why are most stray cats short hair cats, but a variety of colors?

Answers

According to the American Humane Society, roughly 95% of all cats are short hair cats (called domestic shorthair). This applies not just to strays but cats that have owners as well. So that fact alone is enough to be able to see why most strays are short hair cats.

Through my research, I'm reading that some people claim that long hair cats are more expensive and rare cats, so the owner is likely to take better care of them and keep them indoors. This further inflates the percentage of stray short hair cats out on the street. I couldn't find much about this from an official source, but instead just through forum posts.

As for the colors, I'm not entirely sure. The cat's fur color comes from its genetics. So it's possible that darker more earth-tone colors help the animal survive better compared to say a lighter color or white fur. Due to natural selection and survival of the fittest, the darker hair color cats will eventually out-number the lighter fur colors. That's my theory anyway. I couldn't find much data or studies to back that up.

If a hurricane was to hit Jacksonville during which Moon phase would
we most likely experience the most damage? Describe the factors that
are involved in order to develop an answer.

Answers

Answer:

I think so

Explanation:

waxing crescent

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