Osmosis refers to the net movement (diffusion) of water molecules across a semipermeable membrane. This movement occurs in favor of a concentration gradient.
During osmosis, the net movement of water molecules will be from areas of HIGH free energy to areas of LOW free energy, or DOWNHILL energetically.Osmosis involves the movement of water molecules in favor of a concentration gradient, i.e., from an area of high concentration to an area of low concentration.Osmosis is a type of passive mechanism because it does not require energy to move water across the membrane.Learn more in:
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Which is a synonym for male and female sex cells?
Answer:
it's called a "gamete". They are also referred to as sex cells.
PLEASE HELP WILL MARK BRAINLIEST !!
Which of the following is used to determine the relative ages of the rock?
Cross-cutting relationships
Superposition
Fossils
All of the above
Answer:
fossils because they have been on earth more then 20 million yrs
help please for science
I will mark brainliest I’m sorry if I put this in the wrong. Category
The image shows embryos from four different animal species in an early stage of development.
pe
Fish Embryo,
31 Hours
Chick Embryo,
6 Days
Mouse Embryo,
11 Days
Human Embryo
41 Days
Which conclusion can be drawn from these data?
Choose the correct answer
#1Fish develop more slowly than chickens, mice, and humans.
#2Fish embryos cannot be distinguished from chicken embryos.
#3Mice and humans have no similarities during development
#4Humans are more closely related to mice than they are to chickens or fish
Answer:
#4 Humans are more closely related to mice than they are to chickens or fish.
Explanation:
If you compare the human embryo with the mouse embryo, you can tell they look very similiar, like in the way they curl up and in their eye placement/size. With the other two- fish and chickens- they look extremely different in comparison to the human embryo. The comparisons that i used before (eye placement/size and formation) I'll use as an example. They look nothing similiar to each other, therefore the answer is #4.
Hope this helps :)
Somebody help me please
Answer:
ocular lens - b is the correct option.
coarse adjustment knob - c is the correct option.
fine adjustment knob - a is the correct option.
Which of the following is NOT a polymer?
Nucleotide
Polysaccharide
Triglyceride
Polypeptide
Answer:
Nucleotide ( monomer )
Explained Definition:
The classes of biological molecules may be grouped into the types of polymers they form and the monomers that act as subunits: Lipids - polymers called diglycerides, triglycerides; monomers are glycerol and fatty acids
1. The monomers of DNA are called nucleotides. Nucleotides have three components: a base, a sugar (deoxyribose) and a phosphate residue. The four bases are adenine (A), cytosine (C), guanine (G) and thymine (T). The sugar and phosphate create a backbone down either side of the double helix.
2. Polysaccharides, also called glycans, are large polymers composed of hundreds of monosaccharide monomers. Unlike mono- and disaccharides, polysaccharides are not sweet and, in general, they are not soluble in water. Like disaccharides, the monomeric units of polysaccharides are linked together by glyosidic bonds.
3. Fatty acids form more complex lipid polymers called triglycerides, triacyclglycerols or triacyl glycerides when each single-bonded oxygen molecule bonds to a carbon that's part of a glycerol molecule. ... Triglycerides are also commonly found in foods, especially animal products
4. polymers are known as polypeptides; monomers are amino acids. Nucleic Acids - polymers are DNA and RNA; monomers are nucleotides, which are in turn consist of a nitrogenous base, pentose sugar, and phosphate group
What roles do water, light, carbon dioxide, and chloro- phyll play in photosynthesis?
Answer:
What roles do water, light, carbon dioxide, and chlorophyll play in photosynthesis? ... Light provides energy to drive the light-dependent reactions. Carbon dioxide provides carbon, the building block of sugars. Chlorophyll absorbs light energy.
Explanation:
what part of the cell cycle represents cell division?
PLEASE HELP
Answer: The mitotic phase.
Explanation:
The replicated DNA and cytoplasmic contents are separated, and the cell divides.
Explanation:
cell cycle is divided into two phases called as
1)interphase
2)Mphase
interphase= a period of preparation of cell division.
Mphase= the actual period of cell division.
hope it helped you......
where are the peripheral proteins located?
Answer:
These are located in/around the cell membrane, they usually sit around either side of the cell. But, they don't cross the cell membrane I hope this helps.
A student observes a reaction with an enzyme in a beaker. If nothing is removed from the beaker containing the reaction, what is the only thing the student must add to start the reaction again?
A.acids
B.enzymes
C.products
D.substrates
Answer:
90% Products, 10% Acids
Explanation:
enzymes are not consumed in a reaction. they remain mixed with reactants. if all products have reacted in the reaction and there's nothing left, the answer is products.
But acids promote chemical reactions at certain incidents. especially if it's an essential compound to the reaction.
Ex-: Sucrose is hydrolysed to Fructose and glucose by heating with an acid. but using sucrase, the same can be done.
one reason that identical twins might show slight differences at birth is
Answer:
genetic variation and traits
What is the plant source of vitamin A called?
Your body can produce vitamin A from carotenoids found in plants. These carotenoids include beta-carotene and alpha-carotene, which are collectively known as provitamin A.
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helppp mweeeeeeeeeeeeeeeeeeeeeeeee
Answer:
with what?
Explanation:
Answer:
with what and what grade are you in cause I might not know the answer
All organisms have the same feedback mechanisms that help them maintain homeostasis.
true/false
Answer:
True
Explanation:
Do all living organisms have mechanisms for homeostasis?
All living organisms have ways of maintaining homeostasis. They have mechanisms for controlling such factors as their internal temperature, water balance, and acidity.
How is curdling of milk a natural change?Please answer ASAP...
Answer:
because when curd is formed from milk, milk loss its properties and new things curd is formed
after telophase i of meiosis, the chromosomal makeup of each daughter cell is
Answer:
haploid, and the chromosomes are each composed of two chromatids
Explanation:
going off what I remember
Wetlands provide all of the following benefits except
Answer:
Wetlands provide many societal benefits: food and habitat for fish and wildlife, including threatened and endangered species; water quality improvement; flood storage; shoreline erosion control; economically beneficial natural products for human use; and opportunities for recreation, education, and research.
the main function of the inflammatory response is to
Answer:
The inflammatory response is a defense mechanism that evolved in higher organisms to protect them from infection and injury. Its purpose is to localize and eliminate the injurious agent and to remove damaged tissue components so that the body can begin to heal.
Explanation:
7. LL (0)
What percentage of
offspring will have long
beaks?
Answer:
50%
Explanation:
50% should have long beaks and 50% should have short beaks If a long beak bird (Ll) mates with a short beak (ll), what percentage of the offspring should have short beaks? mitosis; asexual reproduction A cell copies and then divides into 2 identical daughter cells.
unit 3 body systems test
Answer:
ursghbbbvvvvbhhhhhhb
which biomolecule is made of nucleotides and contain your dna
Answer:
Nucleic acids
Explanation:
macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material found in living organisms, all the way from single-celled bacteria to multicellular mammals like you and me.
In ‘lifting due to topography,’ what happens to air as it rises?
when air is confronted by the mountain,it is lifted up and over the mountain,cooling as it rises
Con đường vận chuyển nước vậy ông chất khoáng qua thành tế bào sang bào ở thực vật có đặc điểm gì
Answer:
In plants, minerals and water are transported through the xylem cells from the soil to the leaves. The xylem cells of the stem, roots, and leaves are interconnected forming a conducting channel reaching all plant parts. Thus, there is continuous water movement into the xylem.
Bài giải:
Ở thực vật, các chất khoáng và nước được vận chuyển qua các tế bào xylem từ đất đến lá. Các tế bào xylem của thân, rễ và lá liên kết với nhau tạo thành một kênh dẫn đến tất cả các bộ phận của cây. Do đó, có sự chuyển động liên tục của nước vào xylem.
Hope This Helps!
Hi vọng điêu nay co ich!
Proteins that regulate the cell cycle may become mutated when exposed to a carcinogen, such as ultraviolet radiation from the sun. This mutation may cause the cell to become cancerous and grow uncontrollably,
True
False
Answer:
The answer is True
Explanation:
often times any mutation in a cell will cause it to behave erratically and grow, resulting in cancer. I also was very good in science and biology back in sophomore year
if blood calcium levels drop below 8.5 mg/dl which hormone is likely to be activated?
Answer:
Parathyroid Hormone (PTH)
Explanation:
The major function of the parathyroid glands is to maintain the body’s calcium level in both the blood and bones.
There is a narrow range of calcium required for the nervous and muscular systems to function properly. (A normal calcium level in the blood stream ranges from 8.5-10.2 mg/dL ).
When blood calcium levels drop below a certain level, receptors in the parathyroid gland release parathyroid hormone (PTH) in proportion to the amount of calcium that is required by the body. This hormone increases blood calcium levels by stimulating osteoclasts to release calcium by breaking down bone. Osteoclasts are cells in the bones that break down and remodel bone tissue.
I have used this site, if you would like to know more please read it whenever your free.
https://www.advancedparathyroid.com/hyperparathyrodisim/what-are-the-parathyroid-glands/
how did new evidence presented by other scientist's claims change the modern cell theroy
Explanation:
Hope this helps. Goodluck.
correct choice asap!!
bio
Explanation:
B can be the correct answer, there is no way to produce tall offspring since both parents are hom.ozygous reces.sive.
Answer: last one
Explanation:
because every pea plant produce 3 peas in a pea sack
identify the ways in which the anterior pituitary differs from the posterior pituitary. check all that apply.
Answer:
happy estoy feliz ahausushhywhwjijgybhoon
ou are designing a building that must minimize energy transfer in the form of heat loss. Describe a building shape that you think would minimize heat loss through the surface of the building, and explain how that shape relates to the surface area-to-volume ratio.
Answer: In principle, to minimise heat transfer through the building envelope the building shape should be as compact as possible,tending toward a cube.
Explanation:
A building's design should be compact and rounded to reduce heat loss through the surface. The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
What should be the shape of building to minimize the heat?The optimum shape would be a sphere, but that is impractical for a building. It would be more practical to construct a building that is cylindrical or dome-shaped.
By lowering the building's surface area, this design limits the region where heat may escape from the structure. The surface area to volume ratio should be taken into account while trying to reduce heat loss.
A building that is compact and rounded, such a cylinder or dome, has a lower surface area-to-volume ratio than a building that is rectangular or square and has the same volume. Accordingly, less heat is lost from the building's surface in comparison to the heat that is kept inside the structure.
Additionally, a compact, rounded building will have fewer corners and edges, which are vulnerable to heat loss. Additionally, the structure can be angled to receive as much sun exposure as possible, which can add to the building's heating capacity during the winter.
Therefore, a building's design should be compact and rounded to reduce heat loss through the surface.
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what is the source of oxygen produced during photosynthesis?
Answer:
the air
Explanation:
Answer:
Water
(correct me if I'm wrong)