Answer:
D. high surface tension versus low surface tension
Explanation:
HELP////What is the purpose of an enzyme?
A. To decrease the activation energy of a reaction to make it occur more slowly.
B. To increase the activation energy of a reaction to make it occur more slowly.
C. To decrease the activation energy of a reaction to make it occur more quickly.
D. To increase the activation energy of a reaction to make it occur more quickly.
Answer:
Una enzima es un catalizador biológico. ... El objetivo de un catalizador es aumentar la velocidad con que ocurre una reacción. Hay muchas, muchas enzimas que son codificadas por el genoma para producir proteínas o ARN que aceleran las reacciones químicas y hacen varios miles de funciones diferentes dentro de una célula.
Explanation:
L -- A
Answer:
To increase the activation energy of a reaction to make it occur more quickly.
Explanation:
Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.
Which of the following is the
function of the nuclear envelope?
A. It contains genetic information.
B. It is the control center of the cell.
C. It allows material in and out of the nucleus.
D. It keeps the organelles from colliding.
Answer:
A. it contains genetic information.
Answer:
A.
Because the nuclear envelope consists of two membranes, an inner and an outer nuclear membrane. Together, these membranes serve to separate the cell's genetic material from the rest of the cell
In a human population of 1000 ,840 are tongue rollers and 160 are not tongue rollers .What is the frequency of the dominant allele
Answer:
0.6
Explanation:
If we pick a plant and an animal cell, which one of them would lose its shape
Answer:
the animal cell would lose its shape as the plant cell has a cell wall which gives shape and protection.
by the animal cell don't have a cell wall.
hope it was helpful
Explanation:
Which explains why secondary succession generally occurs more rapidly in an area than does primary succession?
A) Average precipitation is higher
B) Moderate climatic conditions exist
C) Pioneer species are microscopic
D) Soil formation has already occurred
Answer:
Secondary succession usually occurs faster than primary succession because the substrate is already present. In primary succession, there is no soil and it needs to form. This process takes time, as pioneer species must colonize the area, they must die, and as this happens over and over again, soil forms.
write two advantage from the study of life cycle of mosquito
Answer:
Knowing the different stages of the mosquito's life will help you prevent mosquitoes around your home and also help you choose the right pesticides for your needs, if you decide to use them. All mosquito species go through four distinct stages during their life cycle: Egg - hatches when exposed to water.
The two advantage from the study of life cycle of mosquito are:
•It enables us to have better understanding of the ways to reduce and prevent mosquitos bites.
•It helps us to go for the right mosquitos spray that will help in controlling the spread of mosquitos.
Mosquitoes is an insect that be found any where which is why preventing measure needs to put in place so as to avoid or prevent them from biting you skin so as to suck up blood or transmit virus.
Mosquitos are often very energetic especially at sunset to sunrise and they can be found at:
• Home
•Outside Home
•Where their is stagnant water etc
The disease or virus transfer by mosquitos is Malaria, this is cause by Anopheles mosquitoes as it tend to carry the virus in which after biting it victim it transfer the virus into the blood stream of the victim causing what is called Malaria .
Inconclusion The two advantage from the study of life cycle of mosquito are:
•It enables us to have better understanding of the ways to reduce and prevent mosquitos bites.
•It helps us to go for the right mosquitos spray that will help in controlling the spread of mosquitos.
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What is the meaning of a null hypothesis being rejected?
Answer:
If there is less than a 5% chance of a result as extreme as the sample result if the null hypothesis were true, then the null hypothesis is rejected. When this happens, the result is said to be statistically significant .
Nucleic acids are composed of:
a: a phosphate group, a pentose sugar, a nitrogen base
b: a phosphate group, a pentose sugar, a carboxylic acid
c: a pentose sugar, a nitrogen base, an R group
d: a nitrogen base, an amino acid group, a carboxylic acid
Answer:
a phosphate group, a pentose sugar, a nitrogen base
Explanation:
nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or a pyrimidine, a pentose (five carbon) sugar (either ribose or 2′-deoxyribose), and one to three phosphate groups.
Jenny was worried about how some pollutants in a lake near her home were affecting the levels of dissolved oxygen in the water, so
she designed the following experiment.
First, she collected five 10-gallon aquariums and filled each with water from her tap. Then, she tested the initial oxygen level of the
tap water.
Next, she put a tablespoon of different pollutants, including gasoline, cooking oil paint, and lawn fertilizer, in each of four of the
tanks. She stirred those four tanks for 1 minute each to help the pollutant dissolve or spread out in the tank.
Finally, she tested the oxygen level in each tank once every hour and recorded her results in the table below.
Tank
Pollutant
in water
Initial
O2 level
(without pollutants)
O2 level O2 level
after 1 hour after 2 hours
1 none
2 gasoline
3 cooking oil
4 paint
5 lawn fertilizer
What is the dependent variable in Jenny's experiment?
OA. initial oxygen level in tank without pollutant
OB. levels of Oz in each tank
OC. amount of pollutant put in each tank
OD. pollutant in each tank
Answer:
levels of o2 in each tank
Explanation:
You can control the pollutant levels.I am super bad at explanations but i answered this question and got it right .
can u help me please
Answer:
...........................
produce more white blood cells
Question 23 (1 point)
Whaite blood cells help to destroy the infection in the body.
True
False
Question 24 (1 point)
Its true
hope you like it
thank you ❤️
Which of the following is an example of adaptive radiation?
Answer:
Australian marsupials ,
cichild fish
Darwin's finches
a striking example is the radiation, begin in the paleogene periods of basal mammalian stuck into form adapted to running ,liping, flying, and swimming.
Why is the stem of aquatic plants weak
Answer:
In general, aquatic plants need to bend to the force of water. Water is dense and exerts a strong force.
Explanation:
this is the answer
hope it helps
Mark me as Brainliest plz.
:DD
Answer:
The stem of the aquatic plants is flexible.
Explanation:
Because it helps the leaves to float.
A _ is a group of connected cells that have a similar
A
function.
Answer:
A TISSUE is a group of connected cells that have a similar function.
DO YOU THINK IT CAN BE COMPLEMENTED
WITH BIOMES? (The composting)
Answer:
yeah because some biomes r put n2 everything
Explanation:
The figure shown is a rectangular prism. Which edges are parallel to BD? Select each correct answer.
py
yh
bm
ah
mk
In the rectangular prism, the parallel lines to BD are PY, MK and AH. So the correct options are A, D and E.
What is a rectangular prism?
A rectangular prism is a geometrical figure. It is basically a polyhedron and has two congruent and parallel bases. It is also known as a cuboid.
A rectangular prism is made of six faces and each of the faces has twelve edges. It is called a prism because it has cross-sections along the length.
A rectangular prism is a three-dimensional figure with six faces. All the faces of the prism are rectangular in shape. Hence, there are three pairs of identical faces here. A rectangular prism is also called a cuboid due to its shape.
The rectangular prism has 6 faces, 12 edges and 8 vertices.
The top portion and the base portion of the rectangular prism are always a rectangle. It has three dimensions like a cuboid. These are length, width and height. The opposite faces of the prism are always congruent.
Therefore, the parallel lines to BD are PY, MK and AH. So the correct options are A, D and E.
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Photosynthesis stops due to the atmosphere filled with dust after a meteor strike on Earth. Why would the dust cloud stop photosynthesis?
The rays of sunlight has been obscured by the dust cloud thereby stopping photosynthesis.
Photosynthesis is defined as the process which green plants use in the production of their own food. in the presence of sunlight.
A meteor strike occurs when an extraterrestrial object such as an asteroid or meteoroid passes through the earths atmosphere or hits the earth. this can lead to the atmosphere being filled with dust especially when the incident hits the earth surface.
In the process of photosynthesis, the light stage depends on sunlight to take place.
Because the rays from the sunlight has been hindered by the dust after the meteor strike, the light stage of photosynthesis is inhibited (stopped). Therefore, photosynthesis cannot occur.
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Will Mark Brainliest, PLS HELP!
Use the image below to answer the question.
The illustration shows the mitochondrial intermembrane space. Molecules enter and exit enzymes. Molecule upper N upper A upper D upper H passes through enzyme upper N upper A upper D upper H Reductase releasing upper H superscript + baseline and upper N upper A upper D superscript + baseline. A blue arrow starts at upper N upper A upper D superscript + and goes through enzyme Ubiquinone then enzyme Cytochrome Reductase, an upper H superscript + baseline is released. The arrow continues through enzyme Cytochrome c and enzyme Cytochrome Oxydase, another upper H superscript + baseline is released. The formula 2 upper H + one-half upper O subscript 2 baseline is to the left of enzyme Cytochrome oxydase with an arrow pointing to the other side. The arrow meets with the arrow from upper N upper A upper D superscript + baseline at upper H subscript 2 baseline upper O. To the right is upper A upper T upper P synthase, upper A upper D upper P + upper P subscript 1 baseline have an arrow going under upper A upper T upper P synthase, an upper H superscript + baseline arrow points to the arrow, the result is upper A upper T upper P.
Which step of cellular respiration is shown in the image?
glycolysis
lactic acid fermentation
electron transport chain
Krebs cycle
Answer:
electron transport chain
Explanation:
just took the quiz
The image shows the C. electron transport chain (ETC) step of cellular respiration
What is the electron transport chain ?The ETC is the final stage of cellular respiration, where oxygen is used to create ATP. NADH and FADH2, which are produced in the Krebs cycle, donate electrons to the ETC.
The electrons are passed through a series of proteins, which release energy that is used to pump protons across the mitochondrial membrane. This creates a proton gradient, which is used to power ATP synthase to produce ATP
The Krebs cycle and lactic acid fermentation are both earlier steps in cellular respiration. In the Krebs cycle, pyruvate is oxidized to produce NADH, FADH2, and ATP. In lactic acid fermentation, pyruvate is converted to lactate, producing NADH.
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How do the daughter cells created from Mitosis compare to each other?
A. One has the original set of DNA, the other has 2 sets of DNA.
O
B. Both daughter cells receive a duplicate set of DNA.
C. Both daughter cells receive an identical set of DNA from the parent cell.
D. Each daughter cell receives half of the parent cell's DNA.
Answer:
C. Both daughter cells receive an identical set of DNA from the parent cell
Explanation:
There are a dozen eggs in a carton. Twelve people each take a single egg, but there
is one egg left in the carton. How?
Lateral thinking: There are a dozen eggs in a carton. Twelve people each take a single egg, but there is one egg left in the carton. This is only possible if the last person to take the egg, took it along with the carton, leaving the egg in the carton only.
What is lateral thinking?Lateral thinking is that approach of solving problems which is creative and involves out - of - box ideas. The solution might not have anything to do with logical reasoning. The solution might differ for different people i.e., there can be more than one solution.
For example, in this question, when twelve people took twelve eggs, one each, from the carton, there is no mathematical or logical solution to how one egg is left in the carton. But we can reach for a lateral approach that the last person took the carton along with the egg, keeping the egg inside the carton.
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what is photosynthesis ??
Answer:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Answer:
The process of making food by plants through the help of sunlight is called photosynthesis
paul says that i the number 6367 one 6 is 10 times as great as the other 6 is he correct why or why not?
Answer:
hffbdhddjsndhhshdhuz
describe how the principle of osmosis is applied when preserving mangoes using sugar solution and making salted fish by using salt
A) Group 2 elements have two valence electrons. Which kind of bond will they most likely form, and why? (1 point)
A covalent bond is likely because they want to share those two valence electrons in order to become stable.
An ionic bond is likely because they will want to give away two valence electrons in order to become stable.
A metallic bond is likely because they are metals and can bond with other metals.
An ionic bond is likely because they are metals and will want to bond with nonmetals
Answer:
B. An ionic bond is likely because they will want to give away two valence electrons in order to become stable.
Explanation:
Answer:
An ionic bond is likely because they will want to give away two valence electrons in order to become stable.
Explanation:
HELP THIS IS 100 POINTS
In a scientific experiment, the one variable that is purposely changed to
test a hypothesis is called the:
the manipulated variable (also called the independent variable)
How do scientists study life?
Answer:
Scientists usually conduct research in laboratories using a wide variety of other equipment. Some conduct experiments involving animals or plants.Biological scientists can now manipulate the genetic material of animals and plants, attempting to make organisms more productive or resistant to disease.
Explanation:
Scientists usually conduct research in laboratories using a wide variety of others equipment. Some conduct experiments involving animals and plants. Biological scientists can now manipulate the genetic material of animals and plants , attempting to make organisms more productive or resistant to diseases. Biological scientists study living organisms and their relationship to the environment. scientists usually conduct research in laboratories using a wide variety of other requirements.
explain how fixation happens
The taxon between the class and family is the ________.
a genus
b order
C species
d phylum
Answer:
The answer is order.
Explanation:
Kingdom, phylum or division, class, order, family, genus, species.
The optic nerves pass through the ----- of the ------- bone.
Answer:
sphenoid bone
Explanation:
Extracranial. The optic nerve is formed by the convergence of axons from the retinal ganglion cells. These cells in turn receive impulses from the photoreceptors of the eye (the rods and cones). After its formation, the nerve leaves the bony orbit via the optic canal, a passageway through the sphenoid bone.
What microscope would be appropriate for viewing the surface texture of a salt molecule?
Transmission Electron Microscope
Scanning Electron Microscope
Dissecting Microscope
Light Microscope
Answer:
the scanning one
Explanation:
it's just choice