Answers
Answer:
Explanation:
The Cyanobacteria are the largest and most diverse group of photosynthetic bacteria previously known as blue green algae . These are true prokayotes having no chloroplast but still perform photosynthesis.
Related Questions
Lab Intro - The Metric System
Exercise A - Measurement or distance
Someone help please
Answers
The metric system is a system of measurement that is utilized throughout the world. The fundamental units of the metric system are meter, gram, and liter. In this system, prefixes are used to represent measurements that are bigger or smaller than the fundamental units.
The prefix “kilo-,” for example, indicates a measurement that is a thousand times bigger than the fundamental unit. Lab Intro - The Metric System Exercise A - Measurement or Distance The metric system is used to measure length or distance.
The standard unit of length in the metric system is the meter, which is represented by the symbol “m.” The metric system is used to measure distances or lengths that vary from millimeters (mm) to kilometers (km).In order to determine measurements in the metric system, the fundamental units are combined with prefixes.
For example, one centimeter (cm) is equal to 1/100th of a meter, while one millimeter (mm) is equal to 1/1000th of a meter. One kilometer (km), on the other hand, is equal to a thousand meters (m).
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Name the monosaccharide components of sucrose and starch?
Answers
Answer:
I'm not sure if I'm answering this correctly but if it's the way I believe it is then,
Sucrose- glucose & fructose.
Starch - amylose & amylopectin.
Explanation:
Sorry if this isn't correct. Good luck lol
Some species of reptiles can regenerate body parts if the parts are lost due to injury. How can the reptiles regrow these body parts?
Answers
Answer:
the axolotl ( say "ax- oh- lot-el") is a Mexican species of salamendar . its also known as mexican walking fish .it can regenerate , repair or replace its arms,legs,tail ,lower jaw ,brain and heart
Explanation:
in reptile involves dropping a section of their tail and regenerating it as part of a defense mechanism
The reptiles regrow the body parts which are lost due to injury by the action of regeneration.
What is Regeneration?Regeneration may be defined as a process through which the reactivation of development into post-embryonic life in order to restore missing or damaged tissues is carried out.
The process of regeneration is carried out in Hydra (Morphollactic regeneration), Planaria (Stem cell-mediated regeneration), Salamander (epimorphic regeneration), and Mammalian liver (compensatory regeneration).
In reptiles like Salamander, epimorphic regeneration is carried out through which differentiated cell undergoes cell dedifferentiation in order to form regeneration blastema. This region is stimulated by the apical ectodermal cap (AEC).
Therefore, the reptiles regrow the body parts which are lost due to injury by the action of regeneration.
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Help PLEASE
and don't even think about deleting this questions you moderators this is a HOMEWOrK question that is being GRADED AS A TEST because of the difficulty and time consumption of it I've already had scuffles with 4 moderators now and would appreciate if I don't have another
Answers
Answer:
A. A= or RNA, B= cell fuel and support, C= galactose and glycogen,
D= nucleic acids and fatty acids.DNA
Calculate the average speed of hydrogen nuclei (protons) in a gas of temperature 27 million K
Answers
The average speed of hydrogen nuclei (protons) in a gas can be calculated using the root-mean-square speed formula:
v_rms = sqrt((3kT)/m)
where k is the Boltzmann constant (1.38 x 10^-23 J/K), T is the temperature in Kelvin, and m is the mass of one hydrogen nucleus, which is approximately 1.67 x 10^-27 kg.
Plugging in the values:
v_rms = sqrt((3 * 1.38e-23 J/K * 27e6 K) / 1.67e-27 kg)
v_rms = 1.38 x 10^5 m/s
Therefore, the average speed of hydrogen nuclei (protons) in a gas of temperature 27 million K is approximately 1.38 x 10^5 m/s.
Consider the argument: All birds are warm-blooded Rex is not warm-blooded Therefore, Rex is not a bird. a) Label the statements in the argument clearly. b) Write the argument in symbolic form. c) Identify the argument by name. d) Determine whether the argument is valid or invalid. The following symbols may be useful for part b: A V ~ → → V3 = =
Answers
MT-valid. You must assess the argument's logical structure and decide whether the conclusion logically follows from the premises in order to determine whether a symbolic argument is legitimate or not.
An argument that has been articulated using symbolic notation, a technique for encoding logical concepts and relationships using symbols and logical operators, is referred to as a symbolized argument.
As symbols help to remove ambiguity and make the use of logical reasoning easier, this enables the argument to be more exact and logical.
Take the claim that "All men are mortal" as an example. Man Socrates is. Socrates is a mortal as a result.
The symbol for this argument is "x(Mx Px), Mx, Px."
In this symbolic form, the phrase "x is" is represented by "Mx."
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Which of the following is true about natural selection?
A. Natural selection is the only cause of changes in a species.
B. Natural selection usually causes a species to change suddenly.
C. Natural selection does not cause a species to change.
D. Natural selection usually causes a species to change gradually.
Answers
Answer:
B
Explanation:
only the individuals with certain genetic markers and therefore abilities to survive a given threat, can reproduce. which has a changing effect for the species within only very few generations. which is on the timescale of evolution a sudden change.
but it depends on the nature of the threat.
if the threat itself develops slowly, then natural selection will also cause a slow change.
if the threat appears suddenly in full force, so will the change by natural selection.
immunization by vaccination turns the threat into slow mode, as it continues to being a threat by mutations.
Please help me on this.
What is a reflex?
A: part of the nervous system that connects the sensory receptors to the muscles
B: similar nerve cell bodies grouped together in a nervous system
C: behavior that does not involve the "higher" centers of an animal's brain
D: interaction of the information passing through neurons
Answers
amoeba and paramecium are prokaryotes give reason
Answers
\( \huge \color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }\)
Amoebas, paramecia, and euglena are all considered eukaryotic cells because they contain membrane-bound organelles which include a defined nucleus....Hope it helps ~
2. A cell is placed in a saltwater solution. The water ______ the cell will _______ the cell, _____________ the
size of the cell, meaning that the saltwater solution is ____________ to the cell.
A. inside, leave, decreasing, hypertonic B. inside, stay inside, decreasing, hypertonic
C. outside, enter, increasing, hypotonic D. outside, enter, increasing, hypertonic
Answers
A cell is placed in a saltwater solution. The water inside the cell will leave the cell, decreasing the size of the cell, meaning that the saltwater solution is hypertonic to the cell (option A).
What is osmosis?Osmosis is the net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
If a cell is placed in a saltwater solution, it means the concentration of the solute outside the cell is more than that of the cell.
As a result, water will leave the cell (higher concentration) to the extracellular salt solution. It can be said that the salt solution is hypertonic.
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Identify from which region of the vertebral column each vertebrae belongs to. What are the differences between the size of the body, vertebral foramen, and spinous processes?
Answers
Within the various regions of the spine, the vertebrae vary in size and shape, but they all follow similar structural patterns.
What is spine?Your spine, or backbone, is the central supporting structure of your body. It connects different parts of the musculoskeletal system. The spine helps us sit, stand, walk, twist and bend. Back injuries, spinal cord disorders, and other problems can damage the spine and cause back pain. The spine is the central supporting structure of our body. The spine is a chain of bones, but it is made flexible by elastic ligaments and intervertebral discs. The vertebrae are generally numbered and divided into different regions. Neck, chest, lumbar, sacrum, coccyx. Only the top 24 bones are movable.To learn more about spine from the given link :
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Picture 1 is a part of cervical vertebrae and picture 2 is a part of thoracic vertebrae.
What is cervical and thoracic vertebrae?
The C1–C7 vertebrae, which make up the cervical spine (neck area), are connected to one another by intervertebral discs. These discs provide the spine with mobility and serve as shock absorbers when people are moving around.There are 12 vertebrae in the thoracic area, identified as T1–T12. Spinal nerves emerge through a space created by the intervertebral discs, laminae, pedicles, and articular processes of neighboring vertebrae. Combined, the thoracic vertebrae form a kyphotic curvature.Difference between size of the body, vertebral foramen and spinous processes:
Regardless of body size, nearly all mammals have seven cervical vertebrae. This indicates that there are significant differences in the size of cervical vertebrae, ranging from the shrew's relatively short cervical vertebrae to the giraffe's neck's much lengthened vertebrae. Each cervical vertebra in a fully mature giraffe measures 11 inches in height.The spinal cord and its meninges are located in the vertebral foramen. The spinal cord is located in this spacious passageway that runs up and down inside each vertebra; it is commonly referred to as the spinal canal rather than the vertebral foramen.The lumbar spinous processes (LSP) provide a crucial anatomical and biomechanical purpose by anchoring the interspinous and supraspinous ligaments, as well as the intersegmental paraspinal muscles and safeguarding the neuronal structures in the spinal canal.Hence one is cervical vertebrae and the other is thoracic vertebrae.
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The water cycle is a complex system. In it, water changes
states. Sometimes it is a liquid. Sometimes it is a solid. Other
times it can become a gas. What change occurs when water is
boiled?
a Gas becomes a solid.
b Gas becomes a liquid.
C Liquid becomes a gas.
d Saldes loud
Answers
Answer:
the answer is c
Explanation:
when water is boiled it becomes a gas
Question 4 of 10
Which phase of the cell cycle begins after G₁ phase is complete?
A. Cytokinesis
OB. G2 phase
OC. M phase
OD. S phase
Answers
The S Phase takes place after when G1 phase is completed.
The cell cycle generally composed of four phase that are G1, S, G2 and M (Mitotic phase) G1, S, G2 phases are the part of interphase.
A cell divides Into two daughter cells as a result of a sequence of events known as the cell cycle, or cell-division cycle. These occurrences include the duplication of its DNA and a few of its organelles, followed by the cell division process, which involves dividing the cytoplasm and other parts of the parent cell into two daughter cells.
DNA synthesis or replication takes place during the S phase of a cell cycle, which happens during interphase and comes before mitosis or meiosis. By doing this, a cell’s genetic material doubles before it begins mitosis or meiosis, providing enough DNA for the cell to divide into daughter cells. Only once the cell has grown sufficiently to contain twice as much DNA and has crossed the G1 checkpoint does the S phase start. Until this occurs, p16, a protein, stops S phase.
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Which statement best describes an object's potential energy? (1 point)
O The object's kinetic energy determines its potential energy.
Sh
O The object's mass and height determine its potential energy.
O The object's mass and velocity determine its potential energy.
O The object's mass, gravity, and height determine its potential energy.
de
Answers
The object's mass, gravity, and height determine its potential energy.
What is gravity?Gravity refers to the force by which a planet pulls an object toward its center. Gravity keeps all the planets in orbit around the sun. Gravitational acceleration is a term used in physics to describe the strength of the gravitational field. Expressed in meters per square second (m/s 2 ). At the surface of the earth, 1 g corresponds to approximately 9.8 m/s Gravity - The force of attraction that exists between all objects that have mass.An object with mass attracts another object with mass. The magnitude of the force is directly proportional to the mass of the two objects and inversely proportional to the square of the distance between the two objects.To learn more about gravity from the given link :
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The objects mass, gravity, and height determine its potential energy.
What is potential energy?
Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy. It is capable of performing more work when raised. Potential energy is a characteristic of systems rather than of particular bodies or particles; for instance, the system made up of Earth and the elevated ball has more potential energy as they become further apart.Potential energy develops in systems having components whose configurations, or relative positions, determine the amount of the forces they apply to one another. In the instance of the Earth-ball system, the only factor affecting the gravitational pull between the two is their distance from one another. Additional energy is added to the system and is stored as gravitational potential energy as a result of the work done to further separate them or to raise the ball.Potential energy is related to mass gravity and height:
The force acting on the two objects affects the potential energy formula. P.E. = mgh, where m is the mass in kilograms, g is the acceleration caused by gravity (9.8 m/s2 at the earth's surface), and h is the height in meters, is the formula for gravitational force.
Therefore, Potential energy of an object depends upon its mass, gravity and height.
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Base your answers to questions 1 through 3 on the diagram below and on your knowledge
of Earth science. The diagram represents the expansion of a portion of the universe from its
origin until the present. The timeline represents billions of years. Letter X indicates two
celestial objects.
Timeline (billion years ago)
Present T
5-
10-
Origin of
Universe
15-
1. Two pieces of evidence that support the theory that the universe is expanding are the
A) red shift of light from distant stars and the existence of nuclear fusion
B) red shift of light from distant stars and the existence of cosmic background
radiation
C) blue shift of light from distant stars and the existence of nuclear fusion
D) blue shift of light from distant stars and the existence of cosmic background
radiation
polestial objects labeled X are
Answers
The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.
The correct answer is option B.
1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.
2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.
Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.
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A 10cm3 sample of copperhas a mass of 89.9 grams what is the density of copper
Answers
Taking into account the definition of density, the density of copper is 8.99 g/cm³.
Definition of densityDensity is defined as the property that matter has to compress into a given space and it is a quantity that allows us to measure the amount of mass in a certain volume.
The expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:
density= mass÷ volume
Density of copperIn this case, you know that:
Mass= 89.9 gVolume= 10 cm³Replacing in the definition of density:
density= 89.9 g÷ 10 cm³
Solving:
density= 8.99 g/cm³
In summary, the density of copper is 8.99 g/cm³.
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Sr.
(BbEe * BbEe)
The Punnett square shows a text cross of mice that are
heterozygous for both traits. What will their offspring be?
Fill in the white boxes of the Punnett square with all
possible offspring genotypes.
Punnett
BE
Square
BE
BBEE
A male mouse that is
heterozygous for both
genes (BbEe)
Во
БЕ
bo
Be
ВВЕe
BBEE
BbEe
Bbee
C
bE
bbEE
A female mouse that is
heterozygous for both
genes (BbEe)
be
bbee
DONE
Answers
Answer:why donI not see the punnet square?????
genotype and phenotypes below
Explanation:
BbEe x BbEe
BBEE, BBEe, BbEE, BbEe
BBEe, BBee, BbEe, Bbee
BbEE, BbEe, bbEE, bbEe
BbEe, Bbee, bbEe, bbee
Phenotype
BE 9
Be 3
bE 3
be 1
There is no indication here that these genes are sex-linked, so phenotypes are as they are regardless of sex, i.e. (b)(e)XX and (b)(e)XY are the same
The Punnett square shows a text cross of mice that are heterozygous for both traits. What will their offspring be?
A male mouse that is heterozygous for both genes (BbEe)
A female mouse that is heterozygous for both genes (BbEe)
Punnet Square BE Be bE be
BE BBEE BBEe BbEE BbEe
Be BBEe BBee BbEe Bbee
bE BbEE BbEe bbEE bbEe
Be BbEe Bbee bbEe bbee
(I'm sorry if this might be confusing but I hope It helps)
Choose the term that best matches the description given.
Worms that are often parasites of the digestive system
Answers
Answer:
True
Explanation:
Cross a Dd^l dinosaur with a dd^d dinosaur.
Use a Punnett square to show your work.
Determine the phenotypic ratio of the potential offspring. Explain the complex inheritance pattern body coloration follows in this species and defend your claim with evidence and reasoning.
(more in picture)
Answers
First, write out the genotypes of the two parent dinosaurs: Dd^l x dd^d. Then, set up a Punnett square as attached. The possible genotypes of the offspring are Dd^l and dd^d, with a 50% chance of each.
How to determine phenotypes?To determine the phenotypes, refer back to the chart. Dd^l is solid dark and dd^d is darker body, lighter extremities. Therefore, the potential offspring could have either a solid dark or darker body with lighter extremities body coloration.
The complex inheritance pattern of body coloration in this species involves multiple genes and is not simply determined by a single gene. This is evident from the chart provided, which shows that body coloration is influenced by several different genotypes.
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Image transcribed:
Directions: Read the following background information. Use it to complete a monohybrid cross between two dinosaurs that could have made your dinosaur.
From their research, the paleontologists who have been investigating this newfound species of dinosaur discovered that the trait of body color was not as simple as just shades of brown vs. shades of greens. Variations in how the colors were distributed into patterns was determined to be a complex inheritance pattern. Refer to the chart below to see which genotypes determine which phenotypes.
Genotype | Phenotype
DD, Dd, Ddd, Dd', DI | Solid dark
LL, LI, Ld^d, Ld', Ld | Solid light
dd, dd^d, d^(d)d^(d) | Darker body, lighter extremities
II, dd', d'd' | Lighter body, darker extremities
DL | Striped
dl, d^(l)l, d^(d)l | Mosaic
d^(d)d | Ombré
Cross a Dd^l dinosaur with a dd^d dinosaur.
Use a Punnett square to show your work.
Determine the phenotypic ratio of the potential offspring.
Explain the complex inheritance pattern body coloration follows in this species and defend your claim
with evidence and reasoning.
PLease Help I beg of you
Answers
Answer:
I think it might be the cell membrane
Explanation:
correct me if I’m wrong
What new knowledge was gained from Frederick Griffiths work with pneumococci bacteria
Answers
Answer:The new knowledge gained from Frederick Griffith's work with pneumococci bacteria is that bacteria contain a physical substance that can change the structure of other bacteria. Therefore, option 3 is the correct answer.
Explanation:
Which statement correctly describes the nucleus of the atom?
Answers
Answer:
The nucleus contains the protons and neutrons which takes up most of the mass of the atom.
Muscle contractions occur when myofibrils
in the muscle shorten and lengthen to make
the muscle contract and extend. Which
types of muscles use these muscle
contractions?
All muscle types
Only smooth muscles.
Answers
Brainliest is appreciated
crabtree effect on glycolysis
Answers
Answer: 'At high fructose concentrations, respiration is inhibited while glycolytic end products accumulate, a phenomenon known as the Crabtree effect. It is commonly believed that this effect is restricted to microbial and tumour cells with uniquely high glycolytic capacities (Sussman et al, 1980).
Explanation: Sorry I dont really know a lot
Why the Carbon must be cycled through the carbon cycle?
Answers
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Describe the mechanism of glycolysis in detail
Answers
The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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How is the transmission across the synapse controlled?
Answers
Answer:
Synapse are the transmitted by neurotransmitters from the axon terminal of the cell.
Explanation:
Synapse are the biological junctions neurons can be sent to the cell such as the muscle or glands and allow to form the nervous system.
Synapse they allow that nervous system to the control and connect body of the system they crucial biological computations.Synapse cleared the form one of the several potential and specific transporters on the terminate of neurotransmitter.Synapse was the introduced by the Sir Charles Scott in the 1897, synapse are the electrical and immunological.Synapse are the mostly refer to the chemical synapse, they are functional connections neurons and the cells.Synapse are generally to small by using the light microscope as the points to cell and their elements.Synapse pass that information to the direct cell and they structure and function, synapse region may be found the cell body.Synapse are the described as symmetric or asymmetric to the electron microscope,rounded to the cell and density.Synapse that contains neurotransmitters in small bound as a number with other supporting structures.Most eubacteria are ____________________ because most rely on nutrition from other organisms.
Answers
Answer:
heterotrophic(Heterotrophic Eubacteria are among the most abundant and diverse bacteria on Earth,)
Explanation:
plzz mark me brainliest
true or false?
When insulin enters inside muscle cells, it triggers the insertion of glucose transporters in the membrane and allows glucose to move into the cells.
Answers
Answer:
False
Explanation:
When insulin enters the muscle cells it signals the cells to stop breaking down glucose to stablize your body's blood sugar level
Answer:
false
Explanation:
because i know lol
Is this true or false
The process of change during an organism's life that results in a more complex organism is called growth.
Answers
Answer:
true
Explanation: