Answer:
the oxygen atom takes more electrons
The surfaces of the leaves of many plants help to reduce water loss because they are not water-permeable. How does the biomolecule that makes up this surface differ from other biomolecules?
It is made up of long chains of fatty acids.
It is made up of polymers of monosaccharides.
It is made up of long chains of nucleotides.
It is made up of polymers of amino acids.
Answer:
The surfaces of the leaves of many plants help to reduce water loss because they are not water-permeable. How does the biomolecule that makes up this surface differ from other biomolecules? It is made up of polymers of amino acids. It is made up of long chains of fatty acids.
Explanation:
The biomolecules that make up this surface of leaves differ from other biomolecules by the fact that they are made up of long chains of fatty acids. Thus, the correct option is A.
What are Biomolecules?Biomolecules may be defined as those types of molecules that are significantly present in the body of living organisms and are required to perform essential functions like cell division, morphogenesis, or development.
The long chains of fatty acids typically consist of a hydrophobic arrangement that prevents the movement of water from one part to the other. This specific property of forming a water barrier is only present in fatty acids.
Due to this, the surfaces of the leaves of many plants help to reduce water loss because they are not water-permeable, which means to prevent the migration of water.
Therefore, the correct option for this question is A.
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What particles cannot pass through the cell membrane
Large molecules such as proteins and nucleic acids, charged particles (ions), and polar molecules such as glucose are examples of particles that cannot pass through cell membranes.
The lipid bilayer of the cell membrane makes it difficult for charged and polar substances to pass through. However, small, non-polar molecules and compounds that are lipid soluble can readily diffuse across the cell membrane. Aquaporins make it easier for water molecules to do this by facilitating osmosis.
The selective permeability of the cell membrane enables it to control the passage of molecules, preserving cellular harmony and functionality. In contrast, diffusion allows the easy passage of small, non-polar molecules such as oxygen, carbon dioxide, and lipid-soluble compounds through the cell membrane.
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Bio homies please help me
Which lists the organs in the correct order as food passes from the mouth to anus?
1. stomach, esophagus, large intestine, small intestine
2. esophagus, stomach, large intestine, small intestine
3. stomach, esophagus, small intestine, large intestine
4. esophagus, stomach, small intestine, large intestine
Answer:
4
Explanation:
Answer:
Number 4 is correct
Explanation:
Ur esophagus is ur pipe that leads to ur stomach, which then after goes to ur small intestine which is inside ur large intestine. And then later ur butt. Hope this helps. < 3
A collection of stars, dust, and gas bound together by gravity is... a. universe b. solar system c. planet d. galaxy explain why for every answer PLEASE I NEED THIS NOW IT IS DUE TODAY!!!!!!!!!!!!!
A collection of stars, dust, and gas bound together by gravity is called galaxy.
What is galaxy?A galaxy is a collection of stars, dust, and gas bound together by gravity. Galaxies vary in size and shape, and can contain anywhere from a few hundred million to trillions of stars. They also contain other celestial objects such as planets, asteroids, comets, and nebulas. The Milky Way, in which our solar system is a part of, is an example of a galaxy.
A universe is the entirety of everything that exists, including all matter, energy, space, and time, including all galaxies, stars, and all other forms of matter and energy.
A solar system is a group of celestial bodies that orbit around a star, including planets, moons, comets, and asteroids. The sun and all the objects that orbit it, including Earth, are part of the solar system.
A planet is a celestial body that orbits around a star, is spherical in shape and has cleared its orbit of other debris. They do not emit light and heat like stars do, but rather, reflect the light and heat of their host star.
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Lipids commonly provide ______ energy to the body.
Answer:
Most of the energy required by the human body is provided by carbohydrates and lipids. As discussed in Chapter 3 "Carbohydrates", glucose is stored in the body as glycogen. While glycogen provides a ready source of energy, lipids primarily function as an energy reserve.Aug 13, 2020
Explanation:
If the atom had one less electron it would be a
Answer:
If it has fewer electrons than protons it has a net positive charge and is known as a cation. The ionic state may be denoted as a following superscript (e.g. O2-, Fe2+). The common ionic states of a atom are known as its valences.
Explanation:
Planets are much
than stars.
A)
bigger
B)
hotter
0
smaller
D)
farther away from Earth
Answer:
C) Smaller
Explanation:
Answer:
smaller
Explanation:
In oxidation–reduction reactions, ____.
What is the role of enzymes in the DNA replication process?
A. Enzymes read the DNA code and build a new DNA molecule from scratch.
B. Enzymes link together to form a template for a new DNA molecule to be built.
C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.
D. Enzymes link adjacent nucleosides together, becoming an integral part of the structure of the new strands of DNA.
Answer: C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.
Explanation: This would be known as the double helix because it is being split.
Different enzymes are involved in DNA replication: DNA polimerase, primase, helicase, ligase, and topoisomerase. The correct option is C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.
---------------------------------------------
DNA Replication starts in some specific place named replication origin.
Helicase
This is the first enzyme that works in the replication origin. It separates the DNA into two strands allowing the replication forks to advance by unwinding the DNA. It breaks hydrogen bonds between nitrogenated bases pairs.Topoisomerase impedes the DNA double helix near the replication forks to get too coiled when the DNA is opening.
DNA polymerase III
This enzyme is responsible for DNA elongation. It is in charge of adding nucleotides to the growing chain, from 3' to 5' extremes. It includes only nucleotides that complement the original strand. They need to recognize a primer to begin.Primase is in charge of synthesizing primers.
DNA polymerase I eliminate ARN primers and substitute them with DNA.
DNA ligase seals the gaps that remain after replacing the primers.
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The Doppler effect occurs when a source of waves and/or observer move relative to each other, resulting in the observer measuring a different frequency of the waves than the frequency that the source is emitting.
True
Or
False?
A good rule is never to use a glass thermometer for checking food temperatures.
False
True
Answer:
True
Explanation:
Don't use a glass thermometer when taking the temperature of food UNLESS it is in a shatterproof casing.
Answer:
true 10000000000 percent
Which of the following describes a virus?
A. A virus does not have a cell wall, nucleus and eats.
B. A virus has cell, a nucleus and does not eat.
C. A virus does not eat, use energy or have cells.
D. A virus does not have cell, produces carbon dioxide and uses oxygen.
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.
Answer:
A
Explanation:
A virus has no nucleus or cell wall but it eats.
1.Which of the following is a biotic factor within the ecosystem *
• The climate in the area
• The herbivore that feed on producers
• Amount of oxygen
• Amount of sunlight
2. Which of the following contains only biotic factors? *
• Temperature, pH and rainfall
• Algae, shrimp and humidity
• Frog, climate and insect
• Ant, grass and snail
Answer:
1. The herbivore that feed on producers
Explanation:
Loretta and her friends want to find out which of their pets can run the fastest. Which kind of scientific investigation should they use?
A.
a controlled experiment
B.
development of a model
C.
a review of existing work
What kinds of molecules contain the instructions for ordering amino acids in a protein?
a. saturated fatty acids
b. carboxylic acids
c. nucleic acids
d. unsaturated fatty acids
Answer:
C: Nucleic Acids
Explanation:
It was part of my test on gradpoint, just got 100%
PLEASE HELP!!! YOU'LL GET BRAINLIEST
A sample of seaweed contains two liters of water and has 100 grams of salt dissolved in its cells. The seaweed is placed in a bucket with 4 liters of water and 300 grams of dissolved salt. What will occur when the system reaches equilibrium?
The seaweed will absorb 1.0 liters of water.
The seaweed will absorb 40 grams of salt.
The seaweed will lose 0.5 liters of water.
The seaweed will absorb 5.5 liters of water.
Answer:
The seaweed must lose
0.5 L
of water in order for equilibrium to be established.
Which of these could be an example of a freshwater wetland?
O A. Pond
O B. Lake
O C. Swamp
O D. Forest
Answer:
b lake your welcome
Explanation:
because lakes have trees that create the fresh water for the fishes to swim in i think?
An example of a freshwater wetland body is a lake. Thus, the correct option is B.
What is a lake?A freshwater wetland is a waterbody which is supplied with water from all the nearby streams and rivers. Freshwater wetlands are the ecosystems which are affected by the permanent or temporary inundation.
A lake is a naturally occurring, relatively very large body of water which is localized in a basin that is surrounded by land, with much slower-moving flow than that of any inflow or outflow streams that serve to feed or drain the lake. Lakes lie completely on the lands and are separate from that of the ocean, however like the much larger oceans, they also form a part of the Earth's water cycle by serving as many large standing water reservoirs as possible. Most of the lakes are freshwater, however some are salt lakes with salinities even higher than that of the seawater.
Therefore, the correct option is B.
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Amoebas obtain food by wrapping the cell membrane around the food particles, creating a vesicle. The food is then brought into the cell. This process is known as ____________.
a. photosynthesis
b. exocytosis
c. endocytosis
d. osmosis
Answer:
endocytosis
Explanation:
Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested material.
Answer: Your answer is: C. (endocytosis)
Explanation:
Which of the following correctly lists the Earth’s structural (physical) layers from outer most to inner most? (listed left (outer most) to right(inner most))
A. Asthenosphere, Lithosphere, Mesosphere, Outer core, Inner core
B. Inner core, Outer core, Mesosphere, Asthenosphere, Lithosphere
C.Lithosphere, Asthenosphere, Mesosphere, Outer core, Inner core
D. Lithosphere, Mesosphere, Asthenosphere, Outer core, Inner core
Answer:
its d :)
Explanation:
Which part of a robot converts stored energy into movement?
Actuator: A power mechanism used to effect motion, or maintain position of the robot, by conversion of different energy types, such as electrical or mechanical processes, using liquid or air (for example, a motor which converts electrical energy to effect motion of the robot).
Hope this helps :D
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Have a wonderful day
What has happened to our system of classification as technology has become more
advanced?
Answer:
Technological advances have had a huge impact on biological classification systems overtime, providing new information on biological connections between species past and present.
Explanation:
what is the definition of permeability
Answer:
the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.
Explanation:
Hope this Helps:)
Plz Mark Brainliest
can someone help please
Answer:
the balloon would grow in size
temperature
Explanation:
What is this element?
Answer:An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element it is. ... Currently, scientists know of 118 different elements
how are proteins important for the body
Answer:
Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
ApH of 6 is how many times more acidic than a pH of 9?
Answer:
by 1.5
Explanation:
. Unlike animal cells, plant cells have ________________¬¬¬¬¬¬¬¬¬¬, vacuoles, and a ____________ wall.
Answer:
1. chloroplasts
2. cell wall
Explanation:
1. plants carry out photosynthesis which chloroplasts help. so only plant cells have them, animals do not use photosynthesis
2. animal cells only have a cell membrane. only plant cells have a cell wall.
A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best
describes how the cell could be classified
the cell is prokaryotic because it contains ribosomes
the cell is prokaryotic because it contains mitochondria
the cell is eukaryotic because it contains ribosomes
the cell is eukaryotic because is contains mitochondria
Answer:
i belive its d
Explanation:
The cell is eukaryotic because it contains mitochondria is the best line to define eukaryotic cells. Therefore, option "D" is correct.
What is eukaryotic cells?Eukaryotic cells are large, intricate organisms with a nucleus enclosed within the nuclear membrane. Eukaryotic cells can be found in animals, plants, protozoa, and fungi.
In prokaryotic cells, the cytoplasm is available, however, it is deficient in most cell organelles. It comprises both organelles and cytoplasm in eukaryotic cells, and both are present. There are mitochondria, which are the cells' powerhouse. There are two kinds of organelles present which is membrane-bound and non-membrane-bound.
Therefore, eukaryotic cells are also referred to as true cells having membraned nuclei.
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What is a small ecosystem
Answer:
Micro: A small scale ecosystem such as a pond, puddle, tree trunk, under a rock etc. Messo: A medium scale ecosystem such as a forest or a large lake.
Explanation:
Answer:
A small ecosystem is a habitat with animals that consume decompose and produce! Hope this helped! <3
Explanation:
