Answer:
The hydrophilic part of the polypeptide chain would be oriented towards the surrounding water while the hydrophobic portion would be arranged away from the water and would make the hydrophobic interior resulting in coiling of the polypeptide chain. The body proteins assume the shapes to organize their hydrophobic parts away from the watery fluid.
Explanation:
Amino acids are the monomers of proteins. Each amino acid, present in proteins, has a central carbon atom. Four functional groups are attached to the central carbon atom of amino acid. These are the carboxyl group (COOH), amino group, a hydrogen atom (H) and a side chain (called R group). Amino acids differ from each other for the side chain present in them. Based on the nature of the side chain, amino acids are hydrophobic or hydrophilic or neutral. Sidechains of some amino acids are charged and have positive or negative charges on them.
The extracellular fluid of the body is a watery medium. Blood also has liquid plasma that is 99% water. The intracellular fluid, called cytosol, is also a water-based liquid.
The hydrophilic side chains of the amino acids interact with the watery surroundings. They can make hydrogen bonds with the water. The charged hydrophilic R groups make electrostatic interactions with the surrounding medium. The hydrophobic R groups of the amino acids tend to arrange themselves away from the watery medium. This makes the part of the polypeptide chains with hydrophobic amino acids to fold so that these R groups are oriented away from the water.
Similarly, when a long polypeptide chain is dropped in the water, the hydrophobic R groups are arranged away from the water while the hydrophilic ones are arranged towards the surface of the chain facing the water. It is done to adopt a stable shape where maximum attraction forces are established.
in passive transport molecules move from _____ concentration to______ concentration
help please .. fill in blanks question
Answer:
High to low concentration
Explanation:
Atoms of two different elements must have o ferent
electrical charges.
numbers of neutrons.
o atomic numbers.
O energy levels.
Answer:
atomic numbers
Explanation:
In order for two atoms to be different, they have to have a different number of protons. Protons are represented by the atomic number. Thus, atoms of two DIFFERENT elements must have different atomic numbers.
I took the test and got 100%
Hope this helps!
during what part of the cell cycle will you find the highest amount of DNA?
Pls help me with this
Answer:
The answer is remove wate
Explanation:
what is the definition of rough ER
Answer:
Edoplasmic reticulum
Explanation:
it's a network of membranes that folds, modifies, and transports proteins throughout the cell.
what two properties do we use to classify autotrophs?
These two things classify autotrophs.
1. Autorophs create their own food.
2. They do not eat prey, the eat their own food.
Hope this helps you!
What does undescribed organisms mea
Answer:
In taxonomy, an undescribed organism is a taxon (for example, a species) that has been discovered, but not yet formally described and named.
Explanation:
Answer:
yep hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmj
Explanation:
Why only certain cell undergo mitosis
and why other cells undergo meiosis
Explanation:
Mitosis allows for cells to produce identical copies of themselves, which means the genetic material is duplicated from parent to daughter cells. Mitosis produces two daughter cells from one parent cell. Single-celled eukaryotes, such as amoeba and yeast, use mitosis to reproduce asexuallyand increase their population. Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction. ... Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome.
Hope my answer explains things better for you!!
What was the Aristotelian philosophy of the history of the Earth? How did this affect their motivation for studying geography? Why?
Answer:
For nearly 1,000 years, Aristotle’s view of a stationary Earth at the center of a revolving universe dominated natural philosophy, the name that scholars of the time used for studies of the physical world.
Explanation:
Define 3 of the major parts of the skeletal system and list the
function(s) of each (bones, ligaments, and tendon, cartilage.)
Answer:
Bone
The major functions of the bones are body support, facilitation of movement, protection of internal organs, storage of minerals and fat, and hematopoiesis. Together, the muscular system and skeletal system are known as the musculoskeletal system.
Ligament
Ligaments connect the ends of bones together in order to form a joint. They also assist in holding organs in place. Tendon: A tough, flexible and inelastic band of fibrous connective tissue that connects muscles to bones.
Tendon
A tendon is a fibrous connective tissue which attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure.
Cartilage
Cartilage: This smooth and flexible substance covers the tips of your bones where they meet. It enables bones to move without friction (rubbing against each other). When cartilage wears away, as in arthritis, it can be painful and cause movement problems.
L 6.2.5 Quiz: Electromagnetic Waves
Question 3 of 5
Which two types of waves require matter in order to travel?
I A. Electromagnetic waves
B. Sound waves
C. Water waves
0 D. Light waves
How the Coronavirus pandemic is changing people and our environment?
Answer:
Explanation:
This stadium can hold 100,000, or 1x10, people. The
number of atoms in a grain of iron is about 1x 1016,
Would you need 1 x 10° or 1 x 10' stadiums to hold
the same number of people as the number of atoms in
a grain of iron? Explain your answer,
Answer:
1 x 10^13 stadiums will be needed in this scenario
Explanation:
We are told that
1 stadium holds = 1 × 10^5 people and
Number of iron atoms = 1 × 10^18 atoms
If the stadium carries an equivalent number of atoms as that of people.
We can infer that 1 stadium will carry 1 × 10^5 atoms.
The calculation to determine the number of stadiums would then be 1 × 10^18 divided by 10^5 atoms/stadium which was gotten by dividing the total number of atoms by the number of atoms per stadium.
Number of stadiums = Total number of atoms ÷ Number of atoms per stadium
= 1 × 10^18 atoms ÷ 1 × 10^5 atoms/stadium
= 1 × 10^13 Stadiums
This means that 1 × 10^18 atoms would occupy 1 × 10^13 stadiums
The table shows the masses of different samples of liquid. Which sample has the greatest DENSITY?
A) Sample A
B) Sample B
C) Sample C
D) Sample D
Answer:
you cant see the samples
Explanation:
What is the impact of the depletion of fishing stocks?
Answer:
Decades of destructive fishing has resulted in the precipitous decline of key fish stocks such as bluefin tuna and Grand Banks cod, as well as collateral impacts to other marine life. Hundreds of thousands of marine mammals, seabirds, and sea turtles are captured each year, alongside tens of millions of sharks.
is bacteria living? yes or no
Answer:
yes
Explanation:
Answer:
Yes
Explanation becasue Bacteria (singular: bacterium) are a major group of living organisms. Most are microscopic and unicellular, with a relatively simple cell structure lacking a cell nucleus, and organelles such as mitochondria and chloroplasts.Bacteria are the most abundant of all organisms.
Fungus is an organism not drawn in the above food chain although it has a very important role. Describe an important role of organisms such as fungi and bacteria can you help me plz!!!
Answer:
Explanation:
Fungi and bacteria are decomposers. This means they help breakdown dead plant and animal matter.
This is kind of a baseline descripiton but i hope it helps!
Two of the most crucial creatures in an ecosystem are fungi and bacteria. They are essential for the nutrition cycle, the breakdown of organic matter, and the generation of food for other species. In order for other creatures to exploit the complex organic compounds, fungi and bacteria convert them into simpler forms.
What is the way to the food chain ?For instance, when dead plants and animals are broken down by fungi and bacteria, vital nutrients like nitrogen, phosphorous, and sulphur are released into the soil. Following the uptake of these nutrients by plants, food is produced that is then devoured by other species in the food chain.
Additionally, bacteria and fungi collaborate with other living things like plants in symbiotic interactions. For instance, several fungi collaborate with plant roots to provide the providing the plant with nutrients it needs in exchange for carbs.
Mycorrhizal symbiosis is the name for this kind of partnership, which is necessary for the development and well-being of plants. Since many bacteria and fungi produce chemicals that can stop the formation of dangerous infections, they also play a significant part in disease prevention.
Finally, fungus and bacteria are significant food sources for many organisms. For example, fungi like mushrooms and others feed animals like deer, birds, and other fauna.
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Fun facts about the endocrine system? Any ideas
Answer:
... does this help ?....
Explanation:
The body's hormones, and the glands that produce them, make up the endocrine system. There are eight major glands, and their job is to regulate the body's metabolism, reproduction, growth and sleep. Like the nervous system, the endocrine system is an information signal system.
Answer:
The endocrine system. ... Traditional Chinese healers practiced endocrinology more than 2,000 years ago. ... The endocrine system is sometimes at fault for osteoporosis. ... The term "hormone" is only about a century old. ... Not all hormones come from the endocrine system. ... Diabetes was once diagnosed by tasting urine.What are 4 agricultural products presently being worked with and studied in Nc biotechnology?
Answer:
Biotechnology has applications in four major industrial areas, including health care (medical), crop production and agriculture, non-food (industrial) uses of crops and other products (e.g. biodegradable plastics, vegetable oil, biofuels), and environmental uses.
Explanation:
North Carolina has over 400 biotechnology companies. How would the economy most likely change if that number were reduced by half The economy would decline because of job loss
*PLEASE HELP ME*
TRUE OR FALSE
Each of the earth's subsystem can be studied separately but they are dependent and connected with each other .
PLEASE HELP WILL MARK THE FIRST PERSON TO RESPOND BRAINIEST.
Sir Nurse compares the biological cell to the physical atom. Do you think this is a good comparison? What strengths does this comparison have? What weaknesses does it have?
Answer:
No
Explanation:
Cells and Atoms both have a nucleus, even though they are made of different things. They make up the main structure of the cell or atom. The weakness is that is all they have in common
help please .............
Answer:
C. Guanine
Explanation:
A pairs together with T, or U in RNA,
and C and G always pair together.
Answer:
The answer is C. Guanine
Explanation:
Pyrimidines always bond with purines. Since Cytosine is a pyrimidine, it must bind with a purine, which can either be Adenine or Guanine. However, Adenine has only 2 places for hydrogen bonding while Guanine has 3. Since Cytosine also has 3, it would bind to Guanine. GCAT is a useful acronym for remembering which binds to which.
If an organism is multicellular, it probably has
A.) Prokaryotic cells
B.) Eukaryotic cells
C.) Cancer cells
D.) All of the above
Answer:
B. Eukaryotic cells
Explanation:
Prokaryotic cells are only seen in unicellular organisms as bacteria and cancer cells are just cells where there has been an error in division or a mutation.
If an organism is multicellular, it probably has - option B.) Eukaryotic cells.
Cells are of mainly two types prokaryotic cells and eukaryotic cells. The main difference between eukaryotic and prokaryotic cells is that:
Eukaryotic cells have a nucleus in which genetic material is stored enclosed by a nuclear membrane.All prokaryotic cells only form single-celled (unicellular) organisms without a true nucleus or membrane-bound structures, examples of prokaryotes are bacteria and archaea. Organisms with eukaryotic cells are called eukaryotes that can be either multicellular such as animals, plants, fungi, and protists, or single-celled as well. So, all multicellular organisms are eukaryotes..Thus, If an organism is multicellular, it probably has - option B.) Eukaryotic cells.
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What is a hypertonic, hypotonic, and isotonic solution?
Answer:
Explanation:
If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, the relative concentrations of solute and water are equal on both sides of the membrane. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.
Which is observation proves that a cell is a eukaryote?
A.it has DNA in the cell
B.it has ribosomes inside the cell
C.it has enclosed organelles inside the cell
D.it is surrounded by a cell membrane
Answer:
The answer is C
Explanation:
Only eukaryotic cells have membrane-bound organelles, so that would be proof that the cell is a eukaryote.
Explain how dysfunction at one level of organization impacts other levels and provide an example.
Answer:
Please find the explanation below
Explanation:
All living organisms are made up of four level of organizations namely: cell, tissue, organs, organ system and ultimately, the organism. These levels of organization are interrelated in such a way that CELLS accumulate to form TISSUE, TISSUES accumulate to form ORGAN, ORGANS accumulate to form ORGAN SYSTEM.
Since one level is dependent on a lower level, a dysfunction in one level will cause the dysfunction of another level. For example, a dysfunction in LIVER CELLS will cause the LIVER TISSUES formed from the cells to be dysfunctional. This dysfunctionality will extend to the LIVER as an organ and cause issues in the EXCRETORY SYSTEM (an organ system that constitutes the liver organ).
please answer this for me
Answer:
B
Explanation:
Which statement best explains why radon and krypton do not bond easily with other elements
Answer:They have eight electrons in their valence shells, so they are stable without gaining or losing electrons.
Explanation:
l
Answer:
B
Explanation: I did my research & I am 99.99% sure. Sorry if I'm wrong, but hope this helped.
Which would best allow a species to survive environmental changes? (8.L.4.2)
similar physical
features
low mutation rate
genetic diversity
small population
Small population is the answer
Your welcome
According to the Charles darwin theory of natural selection, genetic diversity best allow a species to survive environmental changes.
What is the theory of natural selection?Natural selection is the procedure via which populations of living organisms acclimate and modify.
Individuals in a population are naturally variable, indicating that they are all distinct in some manner. This divergence means that some individuals have characteristics better suited to the environment than others.
Natural selection leads to evolution.
Thus, genetic diversity best allow a species to survive environmental changes.
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Normal homeostatic conditions require potassium concentrations to be about 1000 times higher inside the cell than in the blood.
What mechanism does a cell use to move these small potassium molecules into the cell against the concentration gradient?
A.
active transport by proteins
B.
active transport by endocytosis
C.
passive transport by osmosis
D.
passive transport by diffusion