5 things unique to photosynthesis

A fluorescence microscope is used when one wants to image specific features of small specimens such as microbes.

A microscope that uses fluorescence to form an image.

Fluorescence microscopy has wide applications due to its high sensitivity, specificity and simplicity. It can be applied to living cells and organisms.

Fluorescence microscopy is used to view the features of small specimens such as microorganisms.

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Answer:

Apoenzyme and the co-factor are the two components of an enzyme.

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Answer:

Mutations affect evolution by increasing genetic variation and the potential for individuals to differ.

The mother should have 4 vials of Rh Ig administered.

Rh immune globulin is used to help prevent an Rh-negative mother from becoming sensitized to the D antigen from an Rh-positive baby.

To calculate how many vials are needed, the following formula can be employed:

KB% x blood volume = volume of baby blood

In this case: 1.9% x 5,000mL = 95 mL baby blood in maternal circulation

95mL / 30 mL per Rh Ig vial = 3.17 vials

This equals 3 vials (after rounding), with the addition of 1 extra vial = the mother should have 4 vials of Rh Ig administered.

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The cells which are present during chronic inflammation include:

This is referred to a process in which the white blood cells enter affected parts and protect the body from foreign agents.

The cells listed work together to ensure that the body isn't invaded by these micro-organisms.

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Answer:

performing a fair test, in which only the dependent variable affects the independent variable

Answer:

Ecological Succession is the change in structure of species and community over time

Coelomates are, therefore, animals that have a cavity completely lined by mesoderm.

1. acoelomate

2 cephalization

3 choanocyte

4 coelomate

5 deuterstomes

6 ectoderm.

1. an animal without a body cavity: acoelomate

2. development of an apparent head of a :cephalization

3. flagellated cell that lines the inside of a sponge: choanocyte

4. an animal with a fluid-filled body cavity that lies within the mesoderm: coelomate animal

5. organisms that form by radial cleavage and develop an anus from the first indentation of the gastrula stage of embryonic development; includes echinoderms, chordates, and vertebrates: deuterostomes

6. "outer skin"; layer of cells that develop on the outside of the embryo:ectoderm

With this information, we can conclude that Coelomates are, therefore, animals that have a cavity completely lined by mesoderm.

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1) Acoelomate

2) Cephalization

3) Choanocyte

4) Coelomate

5) Deuterostomes

6) Ectoderm

Explanation:

Hi there!

Cell cycle has 2 phases (i.e M-phase and Inter-phase). Interphase is considered to be the longest phase. Interphase also has G1-phase, S-phase and G2-phase. In cell cycle while moving from M-phase it has two option either to go in G1-phase or G0 phase. It it goes to G0-phase it doesn't go under cell division but if it goes to G1-phase it starts to prepare materials required to replicate or copy DNA. After preparing all the material it goes in S-phase and copies DNA. It doesn't go to G2-phase until it copies DNA perfectly. Then it goes to G2-phase. In this phase it prepares material for replication of other cell organelles.

Therefore, DNA is copied in S-phase.

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Answer:

S phase (Synthesis phase)

Explanation:

DNA is copied during interphase (S phase) before mitosis and just before meiosis.  Mitosis is usually defined as the usual method of cell division, characterized typically by the resolving of the chromatin of the the nucleus into a threadlike form, which condenses into chromosomes, each of which separates longitudinally into two parts, one part of each chromosome being retained in each of two new cells resulting from the original cell. Meiosis is usually defined as part of the process of gamete formation, consisting of chromosome conjugation and two cell divisions, in the course of which the diploid chromosome number become reduced to the haploid (A single set of chromosomes).  In human, mitosis produces diploid daughter cells which have the same number of chromosomes as the parent cell. Meiosis produces gametes (sperm or egg) which are haploid, meaning these cells have half the number of chromosomes as body cells such as skin cells. DNA is copies using a process called semiconservative replication.

More information:

A double-stranded DNA molecule is duplicated during DNA replication (by a variety of proteins) to create an identical double-stranded DNA molecule (so whereas the cell started with one copy, it ended up with two identical copies). Cell division would not be possible without DNA replication, hence it is crucial. In other words, either one cell would receive all the DNA while the other received none, preventing true cell division, or each cell would receive just half the DNA it requires, preventing the daughter cells from surviving (also leading to death of both daughter cells). DNA replication allows cells to replicate their whole set of DNA so that when they divide, each new cell has its own complete set of DNA. In theory, this allows for endless cell division.

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Answer:

Glucose for the first one, good luck on the second

Explanation:

Answer:

option 1

Explanation:

The size of most prokaryotic cells is about in diameter.

1-2µm

The size of most prokaryotic cells is about 1-2µm in diameter. Therefore option A is correct.

Most prokaryotic cells are relatively small, typically ranging in diameter from 1 to 2 micrometers (µm). Prokaryotes are unicellular organisms without a true nucleus or membrane-bound organelles.

Their small size is advantageous as it allows for efficient nutrient uptake and waste elimination, facilitating rapid growth and replication.

Despite their small size, prokaryotic cells are highly diverse and can be found in various environments, including soil, water, and even within the human body.

Therefore option A is correct.

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The mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine.

This is referred to as ribonucleic acid with its base adenine being paired with uracil.

The  mRNA strand which is known as messenger RNA is complementary to the DNA template strand and carries protein information from the DNA to cytoplasm for appropriate translation.

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Answer:

R r One uppercase R and one lowercase r

Explanation:

Heterozygous means having two different alleles. Since R is the dominant it means she has red hair and is still heterozygous.

Answer:

2 chromosomes are labeled R and r

Heterozygous means different, so you need two different traits.

Answer:

mitochondria and Golgi body

During the postnatal stage, the various major systems in the body develop at different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. Thus, option "C" is correct.

The postnatal stage-from infancy to childhood to the juvenile period to adolescence to adulthood-involves growth acceleration and deceleration. Childhood and adolescence are long events, in which adult behaviors are learned, individuals become completely mature, and the reproductive capacity develops.

Thus, option "C" is correct.

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The Triad of anaesthetics as required in the task content are; Narcosis, Analgesia and Muscle relaxation.

The triad of anaesthetics as the name implies contains the stage of narcosis, analgesia and finally muscle relaxation and hence, acting on each one of the triad with selective drugs helps to avoid deep levels of central brain depression.

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Mining is the birth of minerals and other geological accouterments of profitable value from deposits on the Earth.

Loss Of Biodiversity

legislation related to mining-

Why is it important to take land after mining?

Mining is known to be an act that disturbs the land. A lot of mines now are been known to reclaim the face in the course and after mining is completed, and therefore they return the land for useful purposes.

Reclaimed mine lands are known to be veritably beautiful and useful to wildlife and mortal uses.

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Answer:

Ethylene is a gaseous plant hormone that plays an important role in inducing the ripening process for many fruits, together with other hormones and signals. An unripe fruit generally has low levels of ethylene. As the fruit matures, ethylene is produced as a signal to induce fruit ripening.

Explanation:

Answer:

it is the hormone present in ripening the fruit so removal of ethylene helps increase the shelf life of fruits and vegetables

Explanation:

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Taking into account the definition of density and Avogadro's Number, you take 2.0286×10²⁵ molecules of air.

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.

In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

[tex]density=\frac{mass}{volume}[/tex]

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

In this case, you know that:

Replacing in the definition of density:

[tex]0.97 \frac{g}{mL}=\frac{mass}{1000 mL}[/tex]

Solving:

mass= 0.97 [tex]\frac{g}{mL}[/tex]  ×1000 mL

mass= 970 g

Air has an average molar mass of 28.8 g per 1 mol. Then 970 grams are contained in 33.68 moles.

Now, considering the definition of Avogadro's number you can apply the following rule of three: If 1 mole of air contains 6.023×10²³ molecules, 33.68 moles contains how many molecules?

amount of molecules = (33.68 moles× 6.023×10²³ molecules)÷ 1 mole

amount of molecules= 2.0286×10²⁵ molecules

Finally, you take 2.0286×10²⁵ molecules of air.

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“Biomagnification or biological magnification is the process of accumulation of certain chemicals in living organisms to a concentration higher than that occurring in the inorganic, non-living environment.”

Human beings occupies the top place of most trophic level and we know that concentration of harmful chemicals increase as we go above the trophic level. Therefore human beings are most adversely affected by biological magnification.

Humans may also be affected due to the consumption of fish and shellfish.

Answer:

B or concave mirror.

Explanation:

Answer:

west

Explanation:

Answer:

If I fill the same cup with water, for example, the cup will drain much more quickly.

Explanation:

Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluidwith large viscosity resists motion because its molecular makeup gives it a lot of internal friction.

Answer:

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Proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.

Amino acids are defined as a chemical substances with functional groups from both amino and carboxylic acids. You need 20 of these molecules for your body to function properly because they are the building blocks of protein that are required by all living organisms. 11 of the essential amino acids are produced by your body.

Proteins are defined as a macro- and large-scale biomolecules that contain one or more long chains of residues from the amino acid. Proteins are composed of amino acid chains, which fold into recognizable three-dimensional structures. The bonds found inside protein molecules help to secure the final folded shapes of proteins, which are well-suited for their functions.

Thus, proteins are the polymer of amino acids have many functions, joined by peptide bonds. Each amino acid consist of central carbon. Proteins consist of four group of structure primary structure, secondary structure, R group, tertiary structure and quaternary structure.

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The statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant (option A).

Plant cells are of varying types and they perform different functions in the system.

The simple cell types that can be found in plants are as follows:

From the above description, the statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant.

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Answer:

100

Explanation:

there is a certain amount of food and resources to sustain a certain amount of individuals in a population. Since the individuals exceeds the amount of resources at 100,000 individuals you would usually see the death rate higher than birth rates to balance out the number of individuals to the number of resources so there is enough for all the individuals there.

The carrying capacity is affected by dense dependent and dense independent factors. 1) During the fourth year. 2) Negative impact. K decreased from 200 to 100 rabbits.  

Carrying capacity -K- is the capability of the environment to support a growing population.

It is a constant that coincides with the population size at which natality and mortality rates are equal. This is the equilibrium point.

Commonly, environments have limited resources, and as the population grows, resources are consumed faster, leading to an increase in the competition rate.

Per capita growth rate decreases as population size, N, increases.

• When N approximates to K, the population's growth speed decreases.

• When N = K, the population reaches equilibrium,

• When N > K, the population must decrease in size because there are not enough resources to maintain that size.

The carrying capacity might be affected by limiting factors, which might be

In the exposed example, when referring to rabbit's carrying capacity, we can assume it is limmited by intraspecific competition and by predation.

At first we can see that during the first two years, the number of rabbits increased until it was a little bit over 200 individuals.

During the second, third, and fourth year, the number of rabbits was kept around 200 individuals, which leads us to assume that K = 200 rabbits.

However, in the fourth year, there was a sharp decrease in the number of rabbits. Probably this event was due to the arrival of foxes (predators) on the island.

In the presence of foxes, the number of rabbits varied around 100 (K = 100).

According to this information, we can assume that only intraspecific competition (related to resources) had a significant role during the first years.

But with the foxes' arrival, the rabbits' carrying capacity decreased from 200 to 100, meaning that, during the following years, predation strongly influenced the rabbits' carrying capacity.  

1) During what year did the foxes most likely arrive?

During the fourth year

2) How did the arrival of the fox family impact the carrying capacity of the rabbit population on this island?

Foxes had a negative impact on the foxes' carrying capacity. It decreased from k = 200 to k = 100 since the foxes arrival to the island.

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Answer:

Explanation:

No I don't think so because there are animals who live there and he shouldn't destroy their habitat