Answer:
Same characteristics.
Explanation:
Not all organisms have same characteristics like amoeba and parasites. Amoeba is a unicellular organism in which a single cell perform all necessary functions of life while many other organisms are multicellular in which different cells perform different functions in the body. Amoeba act as parasite because it cause disease in humans and take benefits from it but there are many beneficial organisms such as bacteria also present in human body which helps in digestion of food.
Write one scientific question about the organism in
the photo.
DONE
What is the term for the interior posterior surface of the eyeball that includes the retina, optic disc, macula and posterior pole that can be seen with an ophthalmoscope
Answer:
Fundus.
Explanation:
The fundus or ophthalmoscopy consists of viewing the retina and the optic disc through the pupil and the transparent media of the eyeball (cornea, aqueous humor, crystalline humor, and vitreous humor) including the optic disc, retinal vessels, macular area and fundus as a whole. It is an important component of the clinical evaluation of many diseases and is the only location where the vascular bed can be observed in vivo in a bloodless manner. The direct ophthalmoscope is available to perform it in Primary Care (PC) consultations and in other specialties, this is an optical instrument that directs light directly onto the retina through a mirror that reflects a ray from the light source. This mirror has a central hole that allows the observer to view the illuminated retina. The major retinal vessels are examined and tracked distally as far as possible in each of the four quadrants (superior, inferior, temporal, and nasal). The color, tortuosity, and caliber of the vessels are examined. The posterior pole is between the temporal vascular arches, measures 5-6 mm, and is where most of the lesions in diabetic retinopathy are located, such as microaneurysms, hemorrhages or exudates.
Which of the following is NOT a characteristic of all living things?*
A) use of energy
B) need for oxygen
C) made of cells
D) stable internal environment
Answer:
The answer A. Use of Energy
Toads that live in hot dry regions bury themselves in the soil during the day. How might this be important to the toad? Explain your answer using scientific terms.
Answer:
Toads that lives in hot dry regions bury themselves in the soil in order to lower their body temperature.....
nucleic acid and carbohydrates are both types of what?
Answer:
Both are type of biological molecules or organic molecules synthesized only by living organisms
Explanation:
What is the function of the golgi apartus ?
Answer:
Processes and packages proteins and substances produced by cell;instruction where to go.
Answer:
transporting, modifying, and packaging proteins and lipids into vesicles
Explanation:
What do different proteins do
Explanation:
Amylase, lipase, pepsin, trypsin
Help in digestion of food by catabolizing nutrients into monomeric units
Hemoglobin, albumin
Carry substances in the blood or lymph throughout the body
Actin, tubulin, keratin
Construct different structures, like the cytoskeleton
Insulin, thyroxine
Coordinate the activity of different body systems
Legume storage proteins, egg white (albumin) Provide nourishment in early development of the embryo and the seedling
Relate the length of time it takes for light from stars to reach Earth to distances in space.
Answer:
The time it takes for light from stars to reach us is the distance to the star divided by this speed
Explanation:
light travels at 300,000 kilometers per second or 186,000 per second. The nearest star to us is the sun and it takes about 8.3 minutes for its light to reach us here on Earth
The French scientist Jacques Monod famously said, "Anything found to be true of E. Coli must also be true of elephants." How is this statement based on the notion that living organisms share a common ancestor?
Answer:
The correct answer is : prokaryotic organisms like E. coli and higher organisms share common ancestor.
Explanation:
E. Coli is a prokaryotic organism or bacteria. On the metabolic level these organisms share similar homology with the higher organism other than this these organisms also show same core functions with higher level organisms such as elephant.
These similarities suggest that the all the living organisms share a common ancestor. The french scientist Jacques Monod statement "Anything found to be true of E. Coli must also be true of elephants." is also based on this notion.
In pea plants, tall plant height is dominant over short plant height. If there are 200 short plants in the F2 generation from a cross that followed Mendel’s methods, about how many plants will be tall in that generation?
200
300
600
1,000
Answer: D: 600
Explanation:
In pea plants, tall plant height is dominant over short plant height. If there are 200 short plants in the F2 generation from a cross that followed 600 plants are tall in that generation.
What is Mendel's methods?Mendel's groundbreaking research on inheritance in pea plants 150 years ago led to his emergence as the field of genetics' father.
With a passion for astronomy and plant breeding, Gregor Johann Mendel was a monk and educator. He was born in 1822 and enrolled in a Brünn monastery at the age of 21.
The monastery was a hub for science, religion, and culture with a library and a botanical garden. Mendel started a series of tests at the monastery in 1856 to learn how qualities are passed down from parent to child. At the time, it was believed that children combined the features of their parents.
Therefore, In pea plants, tall plant height is dominant over short plant height. If there are 200 short plants in the F2 generation from a cross that followed 600 plants are tall in that generation.
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If humans had been present to build log structures during the Carboniferous period (though they were not!), which plant types would have been suitable sources of logs?
Answer:
The plant types suitable during that period would be ferns, horsetails, and lycopods.
Explanation:
A geologic period and system, which covers 60 million years from the termination of the Devonian period to the start of the Permian period is known as the Carboniferous period. During the Carboniferous period, the plant life was luxuriant and extensive, mainly at the time of Pennsylvanian. It comprises ferns and fernlike trees, that is, the giant horsetails known as club mosses, calamites, or lycopods like Sigillaria and Lepidodendron.
Thus, if humans had been present to construct log structures during the Carboniferous period, then they would have used logs of ferns, horsetails, and lycopods for construction work.
What is activation energy
Answer:
the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
The bacterial flagellum moves _______. Multiple Choice by rotation that is powered by ATP by rotation that is powered by the proton motive force in a wave-like fashion that is powered by ATP in a wave-like fashion that is powered by the proton motive force in a wave-like fashion that is powered by enzymes
Answer:by rotation that is powered by the motive force
Explanation:
Draw what a single chromosome would look like before and after S phase if the chromatin along with its DNA was condensed as it is during mitosis and meiosis
Answer AND Explanation:
Note: You will find the chromosome drawing in the attached file
The cellular cycle is the process of cellular duplication to result in two new cells. This process has different phases called G1, S, G2, and M.
In the G1 phase, the cell prepares to divide, duplicating the organelles, and growing in size.
During the S phase, the cell synthesizes a new copy of its DNA and also duplicates the centrosomes, which will help to separate DNI during division.
When the DNI is duplicated, the cell enters phase G2, condensing, and organizing the genetic material and preparing to cellular division.
The M phase belongs to mitosis, by which two daughter cells are formed.
The phases G1, S, and G2 are known as the interphase.
Is amoeba made up of a single cell or is it a cell itself??
Explanation:
Some things consist of only one cell. They are called unicellular organisms. One of the simplest living things, an amoeba, is made of only one cell. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, but they are commonly found in ponds and lakes
Which element makes up 65% of living things?
Answer:
Oxygen
Explanation:
Oxygen (65%) and hydrogen (10%) are predominantly found in water, which makes up about 60 percent of the body by weight.
Answer: . Oxygen is the element which makes up to 65% of human body mass and every other living thing.
Explanation:
explain the role of carbon in building macromolecules
Answer:
Carbon is the primary component of macromolecules, including proteins ,lipids,nucleic, acids, and carbohydrates. carbons molecular structure allows it to bond in many different ways and with many different elements.
A phospholipid is structurally similar to a triglyceride except that in a phospholipid, a charged phosphate group replaces one of the
Answer:
The correct answer is - fatty acid.
Explanation:
A phospholipid is a one of lipid molecule which is present as major component of cell membrane, that plays a significant role. Phospholipids allow for selective passage of ions and other molecules through the cell membrane.
Phospholipid is structurally similar to triglyceride except that it is made up of two fatty acids instead of three fatty acid, in phosphoplipid third fatty acid is replace wit a phosphate group, however, glycerol molecule present in both. The phosphate group of the phospholipid is negatively-charged which makes it polar or hydrophilic head, .
Thus, the correct answer is - fatty acid.
John's parents would not let him study while listening to CD's in his room. They told
Kim that he could not concentrate with the background noise. He decided to test this
idea with an experiment on his class. Each Friday his English class took a vocabulary
quiz on 25 new words learned that week. John got his teacher's permission to try his
experiment. On the first Friday of his test he played a rock song in the classroom
while the class took the test and the following week the class took the test with the
normal quiet atmosphere of a classroom. John calculated the average score on the two
vocabulary
Answer:
This question is incomplete; the question is asking to identify the following: independent variable, dependent variable, control group, experimental group, and constants.
The answers are:
Independent variable- BACKGROUND NOISE/MUSIC
Dependent variable- AVERAGE SCORE
Control group- THE CLASS THAT TOOK THE TEST IN A NORMAL QUIET ATMOSPHERE
Experimental group- THE CLASS THAT TOOK THE TEST WHILE PLAYING A ROCK SONG
Constants- SAME VOCABULARY QUIZ, SAME NUMBER OF WORDS, SAME CLASS
Explanation:
Independent variable in an experiment is the variable that is manipulated or changed in an experiment. In this experiment, the independent variable is the MUSIC or BACKGROUND NOISE played during each vocabulary test.
The dependent variable is the variable that is tested or measured in an experiment. It is the variable that responds to changes made to the independent variable. In this experiment, the dependent variable is the AVERAGE SCORE on the vocabulary test.
Control group is the group that does not receive the experimental treatment. It is the group where the independent variable does not change in order to compare with the experimental group. The control group in this experiment is THE CLASS THAT TOOK THE TEST IN A NORMAL QUIET ATMOSPHERE.
Experimental group is the group that receives the experimental treatment. The experimental group in this experiment is THE CLASS THAT TOOK THE TEST WHILE PLAYING A ROCK SONG
The constants or control variables are the variables that are kept constant or unchanged throughout the experiment in order not to influence the experiment's result. In this experiment, the constants include; SAME VOCABULARY QUIZ, SAME NUMBER OF WORDS, SAME CLASS
best defines homeostasis
Sentence:
The skill of keeping internal stability in an organism to regroup for environment changes
Word/Synonym:
Equilibrium
In this lab, you will study the fur color of mice.
A black and a white mouse are shown.
The color of the fur is the .The genetic combination of alleles that determine the fur color is called the .
Answer:
The color of the fur is the phenotype
The genetic combination of alleles that determine the fur color is called the genotype
Explanation:
The color of the fur is the genotype. The genetic combination of alleles that determine the fur color is called the phenotypes.
What is the genotype?
The genotype is the internal characters of the body.
The color of the fur is the genotype. The genetic combination of alleles that determine the fur color is called the phenotypes. And thus the black is the dominant color while the white is recessive.
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A microscope that is calibrated this way will maintain the specimen in focus when the objective lens is rotated.
● Pointer
● C-mount
●fine focus
●Parfocal
Answer:
The correct option is;
Parfocal
Explanation:
A perfocal lens is one that when in use, the object remains in focus when the objective lens is rotated to change the magnification power of the microscope. That is the when the magnification is adjusted, the objectives remains in focus. The use of the parfocal lens however results in a small but insignificant amount of error in the focus.
PLZ HELP ME 20 POINTS AND BRAINESIT
What is the world's largest source of surface water?
The Atlantic ice cap
The Antarctic ice cap
he Greenland ice cap
None of the above
Compare three components of inhaled air with that of exhaled air
Answer:
These are oxygen,Carbon dioxide and water vapour.
Explanation:
The inhaled air has 21% oxygen,0.04% C02,and less water vapour.
Exhaled air contains more C02-4%, 16%-O2 and more water vapour about 6.3%.
The higher 02 of the inhaled air is needed for the supply of lung tissues for the respiration of the cells.Therefore higher volumes is needed to meet up with the larger demands by the cells. The oxygen is needed for cellular respiration which leads to production of more C02 and water vapour in exhaled air.
Therefore, their elevated levels(C02-4%) in exhaled air is due to this mechanisms.This made the exhaled air to be saturated with water vapour
They are the wastes products of cellular respiration in animals. (however the volume of the oxygen in the exhaled air drops to 16% from 21%)because it is used as fuel to burn glucose).
Th volume of C02 in the inhaled air is low because this is not needed for cellular respiration,this it volume of (0.4) compared to the inhaled air.
Generally, the lower levels of C02 is needed so that the diffusion gradients for the movement of C02 out of the lungs is achieved . Hence waste gasses are not retained in the body. Likewise the higher volume of oxygen (21%) is needed for the inwards diffusion gradient of oxygen into the blood for ventilation of the lungs,and aeration of cells.
More water vapour are produced in the cells,therefore they must be diffused out of the cells in the blood.Hence higher percentage in the exhaled compare to the inhaled air
if someone says hola to you, would you say como estas or hola back?
Answer:
you can say either of them, but most people usually just say hola and then that's when they say como estas
Explanation:
Answer:
You always greet them first and then ask them how their day is. :)
a man went from his home to market 3 kilometre away with a uniform speed of 4 kilometre per hour and finding the market closed Thi intense turns back with a velocity of 6 km per hour or find average speed of his journey
Answer:
The average speed of his journey is 4.8 kilometre per hour
Explanation:
The given parameters are;
The distance from the man's home to the market = 3 km
The man's speed on his way to the market = 4 km/h
The man's speed on his way back to his home = 6 km/h
The average speed, s = The total distance, d divided by the time, t that elapsed during the journey
s = d/t
We note that time = Distance/Speed
The time it took the man to get to the market = Distance/Speed
The time it took the man to get to the market = 3 km/(4 km/hr) = 3/4 hours
The time it took the man to get to get back to his home = 3 km/(6 km/hr) = 1/2 hours
The total time to and from the market = 3/4 + 1/2 = 5/4 hours = 1.25 hours
The total distance covered by the man = 3 + 3 = 6 km
The average speed, s = 6 km/(1.25 hours) = 4.8 km/hr
The average speed of his journey = 4.8 km/hr.
What are the personal qualities in being a bioligist
Answer:
knowledge of biology.
to be thorough and pay attention to detail.
maths knowledge.
excellent written communication skills.
analytical thinking skills.
excellent verbal communication skills.
the ability to work well with your hands.
the ability to use your initiative
what organisms don't have cell walls but contain chlorophyll
Answer:
Fungi is the answer of your question
What safety equipment is required for the Osmosis Experiment? Justify why the equipment
is needed.
Answer: Wear eye protection, rubber gloves
Handle acid with care and follow CLEAPSS or SSERC guidelines on its use.
The safety equipment which is required for the Osmosis Experiment is as follows:
The goggles protect the eyes. The gloves ensure the safety of hands. Handle chemicals such as acids with extreme care.Follow the systematic guidelines and protocols of the laboratory. What is an Osmosis?Osmosis may be defined as a process through which the molecules of a solvent be inclined to pass through a semipermeable membrane from a region of less concentrated solution into a more concentrated one.
During the whole setup of this experiment, numerous chemicals, as well as, instruments are required. So, in order to ensure your safety, try to follow all the basic and fundamental protocols of the laboratory along with that of the experiment.
Equipment assists or saves you in situation where a certain mistake is has happened. For example, if a drop of acid falls on hand, assume what will happen when you are without gloves? This is the importance of safety equipment.
Therefore, the safety equipment which is required for the Osmosis Experiment are goggles, gloves, systematic protocols, etc.
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Select the correct answer. Which compound is inorganic?
Answer:
B
KH2PO4
Explanation:
Answer:
B. KH2PO4
Explanation:
Answer correct from plato