Option :
Bacteriacial cell
Plant cell
Animal cell
All of these are correct answer

Answer:

Anemometer is the most likely meteorologist to collect information from the high atmosphere.

Explanation:

A device to measure wind velocity and direction is an anemometer. It's also a common meteorological tool. The name comes from the Greek phrase anemos that means wind and is used to designate any meteorological wind speed instrument.

Anemometer uses

The anemometer is used for the following purposes other than to measure the wind speed:

Answer:

weather balloon

Explanation:

Answer:

Fruit and seeds formation takes place due to the diffusion and fertilization of ovary.

Explanation:

Answer:

14. (a) Pb

15. (d) Al

16. (A) increases

Explanation:

14.

In the reactivity series of metals an element can displace another element from a compound if and only if it is not placed below that metal, as the reactivity of metals decreases when moving from top to bottom- if a metal is placed below Hydrogen it means that it is less reactive than Hydrogen and hence cannot displace Hydrogen from its compound.

All options except A are placed below Hydrogen in the reactivity series, so they wont displace Hydrogen from its compound, but option (a) that is Pb can do so as it is above Hydrogen in the reactivity series.

15.

Al is placed below Mg in the reactivity series and hence cannot displace Mg from its compound.

16.

The reactivity of metals increases down the GROUP.

[CAUTION :- We were talking 'bout REACTIVITY SERIES in the top 2 questions where reactivity decreases down the group, but we're talkin' 'bout GROUPS of the periodic table here, where reactivity increases down the group.]

The size of metals increases down the group causing their valence electrons to drift far from the nucleus so that they can be lost easily. The metals have a property of losing electrons so the more electrons it can lose more will be its reactivity.

Hence, reactivity increases down the group.

Answer:

3, Matter cannot be created or destroyed, only transformed

Answer:

matter cannot be created and or destroyed,it can only be transformed

Answer:

All living things

Explanation:

Answer:

C. denitrifying bacteria

Explanation:

Nitrogen cycle consists of series of processes that add and remove nitrogen from the soil and atmosphere. There are several ways in which nitrogen can be added to the atmosphere including nitrification, ammonification, lightning etc.

Certain bacteria are responsible for the conversion of nitrogen from one compound form to another. In a process called DENITRIFICATION, nitrate (NO3-), which is the usable form of nitrogen by plants, is converted back to atmospheric nitrogen (N2) with the help of a bacteria called DENITRIFYING BACTERIA e.g Pseudomonas etc.

Answer:

a molecule called DNA (deoxyribonucleic acid) is passed from adult organisms to their offspring during reproduction.

DNA molecules transfer heredity from parents to offspring.

DNA or deoxyribonucleic acid exists considered the genetic material that transmits genes from Parents to offspring. DNA exists found almost inside every cell. The molecular structure of DNA existed discovered by James Watson and Francis Crick in the year 1953. They obtained Nobel Prize for it in the year 1962.

DNA exists created up of molecules called nucleotides. Each nucleotide contains three elements: a phosphate group, which stands for one phosphorus atom bonded to four oxygen atoms; a sugar molecule; and a nitrogen base.

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Answer:

d. rehabilitation

Explanation:

Technology-associated rehabilitation is an ecological practice that allows a degraded area to be restored, rehabilitating all its degraded habitats. However, this restoration is not done naturally, but is caused by human intervention, which can cultivate the entire plant population in the area, even adding non-native species, which are selected to leave the productive area, but ecologically harmonious.

Explanation:

I think this is the answer i try to do it

Answer:

lol I dont know the answer

Answer:

c. Both (a) and (b)

Explanation:

Diagnosis of bacterial disease can be made by finding bacteria in pathological fluids and by isolation of bacteria by culture from exudates or blood.

Explanation:

because we know that cell makes up organ and organ makes organ system and this system makes organism....cell is also the structural and functional unit of life it there were no cell specialization then mitosis and meosis wont take place neither cell division

The Doppler Effect talks about the frequency of sound and light as the source and person move. So, When light waves are emitted by a moving source, scientists can measure = the Doppler effect.

Cosmic microwave background radiation has the word "cosmic" in it, so you can assume it has to do with space automatically. There is radiation in space too, so I'm pretty sure that The extremely low temperature of outer space can be explained as = cosmic microwave background radiation.

Particle accelerators are these big machines that usually smash protons/electrons together, so Scientists smash together tiny bits of matter using = particle accelerators.

And now, by process of elimination and because the Big Bang Theory talks about the creation of Earth, we know that Scientists extrapolate backwards in time to derive = the Big Bang Theory.

Answer:

If your question is:  Which two structures would the scientist most likely see? Then:

A scientist is using a microscope to observe a type of bacteria. The scientist most likely see cell wall and vacuole.

Answer:

The correct answer is d) hypoxic areas in water bodies that limit marine and aquatic life.

Explanation:

A dead zone are oxygen-deprived regions, that is, they are large bodies of water that contain little or no oxygen, both in the depths and near the coasts in the oceans. Aquatic and marine dead zones can be caused by climate change, a product of human activity. When the temperature is high, the water does not have the same density and there is less exchange between the depths of the hydrogen peroxide and the surface water, and these no longer receive oxygen. Marine fauna, not finding the oxygen necessary for their survival, end up suffocating due to the lack of oxygen. They may also have reproductive problems and diseases, making it difficult for them to survive.

Innate talents or gifts enhanced through study and practice are abilities. The correct option is D.

Innate talents are those talents that are present in the organism from birth, They are not learned or observed from outside. These abilities are only enhanced as we grow up. They are already present in the body.

They are the natural, talents that with we grow up. Innate talents are also called natural skills. They are genetically present in our bodies. Some people are born with natural potential and skills. But without hard work and practice, these skills would not work.

Abilities are the things that are used by the organism to perform activities. Every organism has some abilities.

Thus, the correct option is D. abilities.

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Answer:

C.

Explanation:

Anaerobic respiration is a process of cellular respiration. In this type of cellular process of respiration, oxygen is not needed to break down complex food substances such as glucose. Energy is generated in the process which is used for other cell functions.

Therefore, the answer is C.

Answer:

a. midbrain

b. thalamus; hypothalamus, epithalamus

c. cerebral aqueduct

d. medulla oblongata

e. choroid plexus

f. pons; medulla oblongata; midbrain

g. hypothalamus

h. cerebrum

i. epithalamus

j. cerebrum

k. cerebellum

Explanation:

The brainstem is the posterior part of the brain that connects the cerebrum with the spinal cord. The brainstem can be divided into three parts: midbrain (i.e., mesencephalon), the pons (i.e., metencephalon), and the medulla oblongata (i.e., myelencephalon). The mesencephalon is a region of the brain composed of the tectum and tegmentum, which play fundamental roles in motor movement, auditory and visual processing. The corpora quadrigemina is found at the tectum region of the midbrain. The diencephalon is a small part of the brain located above the brainstem (between cerebral hemispheres); which contains the thalamus, hypothalamus, subthalamus, and epithalamus. In turn, the epithalamus is composed of the habenular nuclei, pineal gland, and the stria medullaris thalami. The cerebral aqueduct is a narrow channel (approx. 15 mm) in which the cerebrospinal fluid flows between the third ventricle and the fourth ventricle. The medulla oblongata is a long stem-like structure located in the brainstem of the brain, just in the place where the brainstem connects the brain to the spinal cord. The choroid plexus is a complex network of capillaries located at the cerebral ventricles of the brain, which serve to produce cerebrospinal fluid through ependymal cells that line the ventricles of the brain. The cerebellum is a major structure of the hindbrain and consists of the cerebellar cortex and a core of white matter having the cerebellar nuclei.

Answer:

mRNA ⇒ 5'GMU  UAC  AUG  CGG  CUC  AGU  UGA  GGC  GAA  AAA  A 3'

tRNA ⇒                           UAC  GCC  GAG  UCA  ACU

protein ⇒ N - MET   ARG   LEU   SER   Stop - C

Explanation:

In protein synthesis, the ribosome reads mRNA in the 5´ to 3´ direction, and, according to the codons that are being readen, tRNA transfers the correct amino acids to build the polypeptide chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly. Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid. tRNA allows amino acids to align according to the nucleotidic sequence in the mRNA molecule.  

Once the new amino acid links to the growing peptidic chain, the binding between the amino acid and the tRNA molecule breaks. The tRNA is now free to join another amino acid and repeat the cycle.  

The protein is synthesized from the amino terminus to the carboxy terminus, while the added amino acids to the chain are coded by a codon formed by three bases in the mRNA. mARNs also have a start and end codon that are the signals of the synthesis initiation and finish. When the ribosome reaches the end codon, protein synthesis is over.    

Each of the codons represents one of the 20 amino acids used to build the protein. Each amino acid can be codified by more than one codon. From the total 64 codons, 61 codify amino acids, and one of them is a start codon. The left three codons are stopping translation points.

The codons indicating the initiation or stop points during the translation process are:

• The start codon AUG is the most common sequence used by eukaryotic cells and places near the 5´extreme of the molecule.  

• The end codons are UAA, UAG, UGA.

Protein synthesis initiates in the AUG start codon -Metionin-, and ends when reaching either of the stop codons UAA, UAG, UGA.

In the exposed example we have the following mRNA.

mRNA ⇒ 5'GMU  UAC  AUG  CGG  CUC  AGU  UGA  GGC  GAA  AAA  A 3'

Codons are separated by a space left between them. AUG is the start codon placed near the 5´ extreme. UGA is the end codon near the 3´ extreme. tRNA will add amino acids from the start codon, not before.

tRNA ⇒ UAC  GCC  GAG  UCA  ACU

Anticodons are separated by a space left between them.

protein ⇒ N - MET   ARG   LEU   SER   Stop - C

Each mRNA codon codifies for an amino acid. The start codon codifies for methionine. AUG = Met, CGG = Arg, CUC = Leu, AGU = Ser, UGA = Stop codon. The amino terminus is represented as an N and the carboxy terminus is a C. The first extreme to be translated carries the amino-terminal group, while the other extreme carries the carboxy-terminus group.

Answer:

yes

Explanation:

Because science &biology have a connection

Answer:

A. y + 5 = -3(x - 3)

Explanation:

Given the following data;

Points on the graph (x1, y1) = (3, -5)

Points on the graph (x2, y2) = (0, 4)

First of all, we would determine the slope of the equation of line;

Mathematically, the slope of a line is given by the formula;

[tex] Slope, \ m = \frac {Change \; in \; y-axis}{Change \; in \; x-axis} [/tex]

[tex] Slope, \ m = \frac {y_{2} - y_{1}}{x_{2} - x_{1}} [/tex]

Substituting into the formula, we have;

[tex] Slope, \ m = \frac {4 - (-5)}{0 - 3} [/tex]

[tex] Slope, \ m = \frac {4 + 5}{0 - 3} [/tex]

[tex] Slope, \ m = \frac {9}{-3} [/tex]

Slope, m = -3

Next, to find the point-slope equation of the line, we would use the following formula;

y - y1 = m(x - x1)

y - (-5) = -3(x - 3)

y + 5 = -3x + 9

y = -3x + 9 - 5

y = -3x + 4 = mx + c

Answer:

Explanation:

C. Growth hormone promotes the closure of the epiphyseal plate.

The closure of the epiphyseal plate is NOT an effect of growth hormone (option c).

The epiphyseal plate is a layer of hyaline cartilage between the epiphyses and metaphyses at the ends of long bones.

The epiphyseal plate is completely closed when bone growth is completed (around age 18 to 21 years).

Different hormones (i.e., testosterone and estrogen) released at puberty initiate the closure of epiphyseal plates.

In conclusion, the closure of the epiphyseal plate is NOT an effect of growth hormone (option c).

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Answer:

Since Skull is the most complete fossil, the features of the skull that reflects Humans as bipedal omnivores are: The teeth and the foramen magnum.

Explanation:

Humans are bipedal because they can move with their two legs, and they are omnivores because of their ability to eat both meat and plants.

The teeth on a skull are the most important indicators of what an animal eats, and it even shows if an animal is a predator or prey. Humans have different sets and shapes of teeth for different purposes making them an example of heterodont dentition.

The pelvis, knee, and foot bones should be the best to tell us about how an animal moves, however, the foramen magnum which opens for the spinal cord to pass to the brain, could also show whether how the animal moved.

Answer:

homeostasis

Explanation:

Homeostasis has to do with processes that maintain the internal balance within an organism. It can succinctly be defined as the process of regulating an organism's internal environment. The process of homeostasis is very important in the maintenance of important indicators of balance in the body such as body temperature, body pH, etc.

Hence, when blood pH becomes overly acidic, respiration and kidney function change to bring the acidity back to its normal pH level of 7.4. This is a homeostatic response.

Answer:

The correct answer is option d- none of these.

Explanation:

The genetic code for methionne is AUG and genetic code for isoleucine are AUC, AUA, AUU. As we can see that there are first two codons are similar for both methionine and isoleucine.

So mutation at to any other site other than third psostion not possible that can convert isoleucine to methionine and this same mutation site is the only mutation position mutation can revere back methionine to isoleucine.

Thus, none of the given can restore an isoleucine codon.

Answer:

Triacylglycerols

Explanation:

Triacylglycerols are the main form of lipid found in the body and in the diet. Fatty acids and glycerol are the building blocks of triacylglycerols. Glycerol is a thick, smooth, syrupy compound that is often used in the food industry.

Answer:

a because it harm the people

the importance of studying cytology are

Explanation:

Cytology is important in modern-day medicine as well. Cytological tests are used to observe human cells to determine the risk of abnormalities and cancer. The Pap smear test looks at cells as opposed to pieces of tissue and is used to screen women for cervical cancer.i hope it will help you

Answer:

cells are the basic building blocks of all organisms , whether living or dead.

atoms are the basic building blocks of matter(non-living things) . every item , for eg, chair, book, toothbrush are made of atoms?