PLEASE HELP WILL GIVE BRAINLIEST!!!!!
Answer:
Warm air is less dense than cold air.
Explanation:
The molecules in warm air move faster, therefore they are more spread apart.
describes a method in studying plate movements?
The geometric method gives scientists the spreading direction to go with the spreading speed
Which of the following is most involved in providing structure for a plasma membrane?
the number of protein channels embedded in the membrane
the types of carbohydrates attached to proteins on the surface
the types of proteins that are attached to the surface of the membrane
the arrangement of the hydrophobic and hydrophilic ends of the phospholipids
Answer:
the arrangement of the hydrophobic and hydrophilic ends of the phospholipids
Explanation:
The maltose operon contains genes that code for proteins that catabolize the disaccharide maltose. Similar to the Lac operon, which is only efficiently transcribed in the presence of lactose, the maltose operon is only efficiently transcribed in the presence of maltose. How might induction of the maltose operon in response to maltose be achieved?Choose one or more:A. Maltose removes a repressor from an operon with an efficient promoter.B. Maltose causes an activator to bind an operon with an efficient promoter.C. Maltose causes an activator to bind an operon with an inefficient promoter.D. Maltose causes a repressor to bind an operon with an efficient promoter.E. Maltose removes an activator from an operon with an inefficient promoter.
Answer:
The correct answers are option A. "Maltose removes a repressor from an operon with an efficient promoter" and option C. "Maltose causes an activator to bind an operon with an inefficient promoter".
Explanation:
Two ways at which maltose operon works in the presence of maltose is by maltose removing a repressor from an operon with an efficient promoter and by maltose causing activator to bind an operon with an inefficient promoter. Maltose removes the repressor malR (Maltose operon transcriptional repressor) with an efficient promoter called malE. Additionally, maltose causes an activator to bind an operon with an inefficient promoter known as malT.
how do the muscular and skeletal systems work together
Explanation:
how do your bones move? Moving your joints and you move your joints by using muscles.
What's holds up your bones? Muscles.
Answer:
well the skeletal system and the muscular system work together bc the skeletal system helps support the body frame and supports the weight and the muscular system attaches the bones together
Explanation:
How are all forms of asexual reproduction similar
Answer:
Well they do not involve another specimen or a partner at that.
Explanation:
Sorry if this was not the answer you were looking for.
ALOT OF POINTS PLEAZE HELP THANK YOU MARKING PEOPLE AS BRAINLIST
9. Draw a diagram showing how mitosis produces a multicellular organism.
which description shows competition in an enviroment
Answer:
Three organism battling over limited reasources
Explanation:
Answer: theres no descriptions to look at
Explanation:
WHAT FOOD HAS ALREADY BEEN IMPROVED
VIA CRISPR GENE-EDITING TECHNIQUES-
RADISHES, BRUSSELS SPROUTS, OR MUSHROOMS?
Answer:
Mushrooms
Explanation:
Which of the following statements is correct?
A.
An organ is more complex than a molecule but less complex than a cell
B. An organ is more complex than a cell but less complex than an organism
С.
An organ is more complex than an organ system but less complex than an organism
D
An organ is more complex than an organism but less complex than an organ system
Answer:
d
Explanation:
i think it is correct .
i will mark you has brainliest
Answer:
C
Explanation:
What is an example of conduction on earth
Answer:
During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
Explanation:
Answer:
During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
Explanation:
True or false. A paper clip cannot become magnetic and pick up other paper clips no matter the circumstances
Answer:false
Explanation:
A paper clip can become magnetic if it exposed to magnetic force that polarizes it
The sentece is false.
The magnetization process consists of magnetizing a material that naturally does not have magnet characteristics.
This process can happen by induction, friction or by the use of an electric current.
So, a paper clip can become a magnetic and pick up other paper clips if this object is magnetized and the sentece is false.
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Plant cells have a square shape
True or False
Why do plants have rigid barks
Answer:
Bark is the outermost covering of a tree's trunk and branches, like a protective skin. Tree bark conserves water and also serves to protect the tree's essential living systems from environmental and situational dangers. These include temperature extremes, storms, attacks by animals, diseases, and insects.
Answer: Woody plants have a tough, waterproof outer layer of cork cells commonly known as bark, which further protects the plant from damage.
do enzymes provide energy for chemical reactions?
Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. ... The enzyme active site is the location on the enzyme surface where substrates bind, and where the chemical reaction catalyzed by the enzyme occurs.
Explanation:
Marty's genotype for color blindness was: Question 2 options: XCX XCXC XY XCY
Marty's genotype for color blindness depends on gender. If Marty is a male, then the genotype is [tex]X^ {c}Y[/tex] , but if Marty is a female, then the genotype is [tex]X^{c}X^{c}[/tex] . This color blindness is an X-linked recessive trait.
What is the X-linked trait?There are two types of genes: some are present on the autosomal chromosomes, and some are present on the X and Y chromosomes. The genes that are present on the autosomal chromosomes are called autosomal genes, and the genes present on the X chromosome are called sex-linked genes.
Color blindness is a sex-linked recessive disorder, which means that a male requires only one recessive copy of the gene. The female can be a carrier if she has a single copy, but if she has two copies, she will be infected with this disease.
Hence, if Marty is a male, then the genotype is [tex]X^ {c}Y[/tex], but if Marty is a female, then the genotype is [tex]X^{c}X^{c}[/tex]. This color blindness is an X-linked recessive trait.
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Compared to a skin cell, a muscle cell which needs to expend atp(energy)is likely to have more
(a) Golgi bodies
(b) cell membranes
(C) chloroplasts
(D) mitochondria
Compared to a skin cell, a muscle cell, which needs to expand more energy (ATP), is likely to have more mitochondria. Hence, option D is the correct answer.
What are the cell organelles?A cell has many organelles, such as the nucleus, mitochondria, Golgi bodies, lysosomes, etc. In animal cells, chloroplasts are absent, but they are present in plant cells. Different organelles have different functions. Mitochondria make energy (ATP) from different biomolecules such as carbohydrates, proteins, fatty acids, etc. The organs, such as muscle cells and heart cells, that work continuously require more energy (ATP). Hence, in these cells, more mitochondria are present.
Golgibodies modify the synthesised proteins by adding or removing some molecules. Examples are glycoproteins and glycolipids that are present in the cell membrane and are modified by the golgi. Chloroplast has chlorophyll molecules that are required for capturing sunlight. This organelle prepares food.
Hence, muscle cells need more mitochondria as they use more energy (ATP). option D is the correct answer.
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PLEASE HURRY I ONLY HAVE 2 MINS LEFT
Answer:
the answer is 2
when you get time friend me and i can explain it
How do the light reactions help the Calvin cycle?
a. they break down macromolecules
b. they create hydrogen ions
c. they provide energy carriers
d. they provide photons
Answer: c. They provide the energy carriers
Explanation: Light energy (photons) drive this overall reaction:
2H2O + 2NADP +3ADP + 3Pi —-> 2NADPH + 3ATP + O2 + 2H+
and the ATP provides the energy for the light-independent Calvin Cycle, which also uses NADPH from the light-dependent reactions.
Answer:
C. they provide energy carriers
Explanation:
have nice day
Please help quickly thanks
Answer:
the bottom one condensation
3.
Which of the following is a characteristic of a seed?
a
Some seeds have features that allow them to
be carried long distances by wind.
b
Some seeds are embedded in fleshy fruits so
they are eaten by animals.
С
Some seeds have adaptations so that they
will be carried on the fur of an animal.
d All of the above are characteristics of seeds.
Hi
Answer:
A
Explanation:
I believe its "Some seeds have features that allow them to be carried long distances by wind "
Answer:
d
Explanation:
All of the above are characteristics of seeds.
Hi
explain a model that explains the role of photosynthesis in transforming energy. Include the terms photosynthesis, sun, light energy, chemical energy, carbohydrates, and bonds.
Answer: The diagram below shows the role of photosynthesis in converting light energy into chemical energy.
Explanation:
Photosynthesis is the prices through which energy is converted to chemical energy in the cells of the plants.
Photosynthesis refers to the process through which green plants transform light energy into chemical energy.
It should be noted that during photosynthesis, light energy from sunlight is used in converting carbon dioxide, water, and minerals into rich organic compounds and oxygen.
Photosynthesis converts solar energy into chemical energy that can be used by plants to make glucose so that they can grow.
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BRAINLIEST !!! + 15 points
1. What is definition of a carbohydrate? (In biology terms please)
2. Do disaccharides and polysaccharides undergo a condensation reaction? Are they both connected by a glycosidic bond(s)?
Explanation:
1. Carbohydrates are the most common type of organic compound. A carbohydrates is an organic compound such as sugar strach and is used to store energy.
2. don't know sry
Carbohydrate is a starchy food which consist of Carbon, Hydrogen and Oxygen in the ratio of 1:2:1. They are also called hydrated organic compounds because Hydrogen and Oxygen is present in the same amount as in the water i.e. 2:1. It is one of the three main classes of food which on hydrolysis gives Glucose.
_____________________________________CONDENSATION:A reaction in which two or more molecules combine to form a large complex molecule, with the loss of a small molecule i.e. water. It is the opposite reaction of hydrolysis.
Disaccharides undergo condensation reaction to produce polysaccharide but polysaccharides do not undergo condensation reaction as they are already in a complex form.Yes, they are connected by the glycosidic bond. A glycosidic bond is a type of covalent bond that joins a carbohydrate to another carbohydrate or other group._____________________________________Best Regards,'Borz'What is an adaptation
Answer: To answer the question I see in the screenshot provided, it would be "Variation of traits from sexual reproduction.
To answer the question of what an adaptation is in my own words:
An adaptation is a trait that a species evolves to obtain over a long period of time, due to the competition of resources with other species. This can also be explained with "Survival of the fittest".
Explanation:
What evidence must be considered when determining whether or not a trait is an adaptation:
1) A trait that is an adaptation is always heritable, as in it goes from every parent to every child.
2)An inheritable trait can skip generations, an adaptation cannot.
3) Adaptations are evolved traits that provide a specific function that enables an organism to survive. A longer bird beak allows a bird to obtain more food when easily obtained food is scarce.
4) An adaptation trait must enhance the fitness of an organism. (Fitness refers to whether an organism can produce viable offspring that has better advantages due to the trait)
5) The appearance of the trait and how the species uses the trait must occur at the same time. This shows that the trait was evolved for the purpose for which it's used. A bird with a long beak doesn't need a long beak if food is abundant.
Dennis made a 500 km trip in five hours. For the first two hours, Dennis had an average speed of 150 km/h. For the last two hours, Dennis had an average speed of 100 km/h. Which of the following is true about Dennis' trip?
Answer:
a
Explanation:
Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, se obtendrá la relación fenotípica de
Answer:
Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco.
Explicación:
Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, la relación fenotípica es diferente en su descendencia. Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco. Esto se debe a que el color púrpura tiene un alelo dominante debido a que más pollitos tienen color púrpura y menos pollitos tienen color blanco debido al alelo recesivo.
Light reactions occurs in which part of the chroplast
Which part of a prosthetic limb keeps the prosthetic attached to the residual limb?
A. Blades
B. Pylon
C. Suspension system
D. Carbon fibers
Answer:
C. Suspension system
Explanation:
When dealing with prosthetic limbs the suspension system is how the prosthetic remains attached to the residual limb. This system makes sure that the prosthetic is firmly attached and only has the necessary movement for the prosthetic but nothing more. There are a couple of different suspension systems, the three most widely used ones would be Anatomic suspension, belt suspensions, and upper limb suspension systems.
DNA to Protein:Question 7
How many amino acids can be represented by a single 3-base DNA
sequence?
Select one:
A:3
B:1
C:6
D:8
Answer:
1
Explanation:
Each amino acid is represented by 3 bases. So a single 3-base DNA sequence is 1 amino acid.
Nucleotide triplets (codons) translate into amino acids. Therefore, option (B) one amino acid will be represented by a single 3-base DNA sequence is correct.
What is codon?A codon is a sequence of three nucleotides (also known as a trinucleotide) that can be found in either DNA or RNA and acts as a unit of genomic information by either encoding a specific amino acid or indicating the end of the process of protein synthesis (stop signals).
While there are four different nucleotides that make up DNA (A, C, T, and G), proteins are made up of a total of 20 different amino acids. The nucleotide triplets known as codons are what "code" for the amino acids. Thus, a minimum of three base pairs is required in order for the four nucleotides to be able to account for all 20 amino acids.
Therefore, option (B) is represented by a single 3-base DNA sequence.
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