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CELLS: How is the cell membrane different from a cell wall in its structure and
function?

Answer:

Origin. 20 out of the 36 body plans originated in the Cambrian period, in the "Cambrian explosion", However, complete body plans of many phyla emerged much later, in the Palaeozoic or beyond.

Answer in picture below:

Base on the given:

if the line goes down = decrease/bad

if the line goes up = increase/good

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Answer:

Skin's outer layer has living cells. Hair helps regulate temperature. Oil glands produce sweat and oil. Nails protect nerves

Explanation:

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Answer:

hair helps regulate temp

nails protect nerves

Explanation:

i took it on edgunity

Answer:

1) sedimentary

Explanation:

Sedimentary rocks are formed by the accumulation and subsequent compression of sediments (i.e., minerals and once-living organisms known as fossils) on the Earth's surface. Almost all fossils are found within sedimentary rocks. Some examples of sedimentary rock that contain fossils include limestone, mudstone and shale. Rock layers are known as strata. The oldest layers containing the once-living organisms (which were fossilized as they formed) are found at the bottom, while the youngest layers are found at the top.

Answer:

d

Explanation:

antiparallel is like one strand starts with 5' prime and ends with 3' prime and it's complimentary strand is the the opposite with 3' prime on top and 5' prime down

Answer:

Down below:

Explanation:

Radial: Person, butterfly, sea urchin, sea sponge, and beetle.

Bilateral: Starfish.

Unless it can be divided in half, it isnt radial.

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Answer: Both A and B is correct about the cerebellum.

Explanation:

Answer:

Explanation:

Protects your child from tetanus, which can be a serious disease, as well as diphtheria and whooping cough (pertussis). Protects your child from painful muscle stiffness from tetanus. Keeps your child from missing school or child care, and you from missing work.

Answer:

B. 4

Explanation:

Based on the genotype of the organism illustrated (TtRr), the organism is a diploid organism i.e. organism with two sets of each chromosome. The number of possible combinations in the gamete can be calculated using the formula; 2^n where n = haploid number

In this case, the organism has a diploid number of 4. This means that the haploid number after meiotic division will be 2. Hence, the number of gene combinations will be 2² = 4 possible combinations.

'Evolution is adaptive changes in a trait of organisms, which mainly occurs through the process of natural selection.

The evolutionary process of the natural selection process by Darwin refers to the differential survival and reproduction of organisms in order to adapt to an ever-changing enviroment that may hamper these features.

Therefore, with this data, we can see that the evolutionary process of natural selection is based on differential survival as well as the strategies of reproduction which lead to change in organisms and thus perpetuate across time.

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The probability of getting "aadd" if you cross "AaDd" with "AaDd" is low. This is because the chances of getting two dominant alleles (AA) and two recessive alleles (dd) in a single offspring is relatively low.

In a cross between two individuals that are heterozygous for a given trait (Aa), the offspring will have a 50% chance of inheriting each allele (A or a) from each parent. This means that the offspring will have a 25% chance of inheriting the dominant homozygous genotype (AA) and a 25% chance of inheriting the recessive homozygous genotype (dd).

So, the probability of getting "aadd" from a cross between "AaDd" and "AaDd" is (1/4) * (1/4) = 1/16, or approximately 6.25%.

Answer:

to never smoke, you do not live a healthy lifestyle if you are smoking, the damage it does to your lungs can take years off your life

Answer: No such thing

Explanation:

every aspect of your health will be hindered by smoking. Is this a research prompt or multiple choice btw?

Answer: D. It shows that animals depend on this process for oxygen

Explanation:

Animals need oxygen. And photosynthesis produces glucose and oxygen. Oxygen is a waste product for plants, therefore, they release it into the air.

However, animals and us, we do need oxygen, to survive, so we breathe for oxygen. We need oxygen to respire.

In conclusion, if plants didn't do photosynthesis, they won't produce oxygen, so we won't have a supply of oxygen, therefore we would die.

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Answer:

Plasma is a state of matter, generated when a gas of ions and atoms, have some of their orbital electrons and free electrons removed. Artificially, plasma can be generated by heating an electrically neutral gas, or subjecting the gas to a strong electromagnetic field until the gas becomes increasingly electrically conductive. This excited atoms and ions then emit electromagnetic radiation usually within the visible range, at wavelengths characteristic of the particular gas used, and are confined by a strong magnetic field.

On the other hand, fluorescence occurs when an excited molecule, atom, or subatomic particles like electrons relaxes to a lower energy state (possibly the ground state) by emitting energy in the form of a photon. It may have been directly excited from the ground state by absorbing energy in the form of a photon, subsequently emitting a photon of lower energy as it relaxes back to its initial lower state.

The common characteristics between these two phenomenon is that they both lead to the emission of energy in the form of photons, which is the unit of an electromagnetic energy or wave.

The difference is that plasma emission can only occur at a very high temperature, whereas fluorescence can occur at a wide range of temperatures between high and low temperatures.

Answer:

C it cooled before it could harden

Answer: The options are not given, here are the options.

.a.prophase

b.prometaphase

c.metaphase

d.anaphase

e.telophase

The correct option is C.

Metaphase.

Explanation:

It is metaphase because during metaphase, the chromosomes lined up together and the two sister chromatids join to a particular spindle fiber. The microtubules them bring the sister together chromatids from the opposite spindle poles. The kinetochore microtubules capture the sister chromatids back and forth til they are able to form alignment along the equator of the cell which is called the equatorial plane.

Answer:

The correct answer would be - environmental and genetic (allelic) factors.

Explanation:

The phenotype of an animal can be manipulated or affected by the change in gene expression through environmental factors. Environmental factors can be temperature, diet, oxygen level, light, and many other abiotic factors. In this case, diet is affecting the phenotype of the rats that eat high-calorie diets.

Genetic or allelic factors are also expressed in this case as the size of the rats also depends on the size of the mother rat which means that there are some genes also carry these traits

The provided ques is incomplete as it lacks the picture showing different media and result, however, the correct question is attached in picture format:

Answer:

The correct answer is -  B as tube B shows H​​​​​​2​​​​​S production.we can see the black color formation.

Explanation:

TSI is a differential media that can distinguish both hydrogen sulfide and fermentation. It is additionally a rich medium permitting the development of particular species.  

Sodium thiosulfate and ferrous ammonium sulfate present in the medium identifies the creation of hydrogen sulfide and is shown by the dark shading in the bottom of the tube.  

The Triple Sugar Iron (TSI) test is a microbiological test generally named for its capacity to test a microorganism's capacity to ferment sugars and to create hydrogen sulfide. It is frequently used to separate enteric microbes including Salmonella and Shigella.

Thus, the correct answer is -  B as tube B shows H​​​​​​2​​​​​S production.we can see the black color formation.

Answer:

Protons, Electrons, and Neutrons are what atoms are made of. Therefore, they're subatomic (smaller than atom) particles.

Answer:

AAA

Explanation:

in tRNA the codon sequence that comes across UUU is AAA.

Answer:

The cold tide may well slow down the Atlantic currents that bring warmth to Western Europe.

Explanation:

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Name of flower structure: Sepal, Function of sepal: protection of the flower. Name of flower structure: Petal, Function: attracting the pollinators. Name of flower structure: Stamen, Function: Male reproductive structure. Name of flower structure: Pistil, Function: Female reproductive structure.

Sepals are the outermost whorl of modified leaves that protect the flower during the bud stage. They also help to support the petals after the flower has bloomed.

Petals are brightly-colored, often fragrant structures that are responsible for attracting pollinators to the flower. They are also responsible for protecting the reproductive structures of the flower.

Stamen is the male reproductive structure of the flower. It consists of two parts: the anther, which produces as well as releases pollen; and the filament, which supports the anther.

Pistil is the female reproductive structure of the flower. It is composed of three parts: the stigma, which receives the pollen; the style, which supports the stigma; and the ovary, which contains the ovules that eventually develop into seeds after fertilization.

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a situation when the general understanding of the population is below average with regard to requirements for everyday living.

Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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Accommodate strong dietary preferences. Don't be afraid to explore new meals; just encourage it. At every meal, provide a variety of wholesome foods. Foods can be nourishing.

Foods that are nutritionally complete supply your body with all the carbohydrates, lipids, proteins, vitamins, and minerals it needs to remain healthy. They are helpful for time-constrained persons who wish to eat healthily but don't always have the opportunity to prepare meals ahead of time or have breakfast before leaving the house.

These different definitions may appear to be similar, but they are not the same. Simply said, a healthy food is one that keeps you healthy and helps you live a longer life. A food is considered nutritious if it provides you with the necessary amount of nutrients for survival.

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Peanut butter, soy nuts, and soy meatballs all have enough of each essential amino acid to constitute a complete protein. Apples and oatmeal don't have a lot of protein in them.

Meats, fish, eggs, and dairy products are the finest sources of protein because they include all the essential amino acids that your body requires. Certain plant foods, such quinoa, lentils, and nuts, are also fairly high in protein. Yet, the majority of people don't often need to monitor their protein intake.

Protein is abundant in animal products such meat, fish, poultry, milk, and eggs. Beans, peas, almonds, bread, and cereals are all excellent plant sources of protein. combining sources from plants, such peanut butter Excellent source of protein when combined with whole-grain bread or rice and beans.

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Answer:

There are 64 fish, 8 ducks and 4 turtles.

Explanation:

From the question, there can be from 2 to 99 fish in the pond. However, there cannot be fractions in the number of fish, ducks or turtles. Hence, the number of fish must have both of a perfect square and perfect cube. The perfect squares from 2 to 99 are 4, 9, 16, 25, 36, 49, 64 and 81. The perfect cubes from 2 to 99 are 8, 27 and 64. Since only 64 fits both criteria, the number of fish is 64. The number of ducks is the square root of number of fish, which is the square root of 64. The square root of 64 can be either positive 8 or negative 8. However, there cannot be negative numbers, so there are 8 ducks in total. The number of turtles is the cube root of the number of fish, which is the cube root of 64 and it is 4.

Answer:

They use oxygen in the process of releasing chemical energy from sugars.

Explanation:

Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.

They change either glucose energy of sunlight energy into something the cell can use.

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