In general, did the simulated mice align with your predictions from the Punnett squares?


Yes or No?

Answer:

Question 11 - A Matter and Energy are recycled

Question 12 - B Carbon Dioxide

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bacteria in food can be killed by many means such as:

a) Pickling. for example food is pickled as bacteria cannot live in very acidic conditions.

b) Boiling. boiling water or liquids can help kill bacteria present in them.

c) Using preservatives can also help

d) Immersing food in salt or sugar solutions is also an other way

Surface water changes into a gas and enters the atmosphere.

Answer: water enters gas changes

Explanation:

I think its continental drift :)

Answer:

C

Explanation:

To get  the probability that either one of two independent events will occur, one adds the individual probabilities of the individual events. To get the probability that one event will be followed by the other in consecutive order, one multiplies the probabilities of the individual events.

Answer:

C

Explanation:

Lac operon gets activated in the presence of lactose, but Trp operon gets deactivated in the presence of tryptophan.

Answer:

This is the answer

Explanation:

Answer:

1 is c and 2 is a

Explanation:

I tried it and got it correct

Out of the following given choices;

A)pH

B)ion gradient

C)salt concentration

D)water concentration

The answer is; D

Water has a high heat capacity, meaning the energy required to raise the temperatures of a unit mass of water by one degree is high (compared to other elements). This way, water act as a good buffer to temperatures because it gains heat slowly and loses heat slowly.

To adapt to land, plants and animals developed a higher cellular thermoregulation, supported by homeostasis, to maintain stable internal conditions in varying terrestrial temperatures, through insulation or heat dissipation mechanisms.

Organisms living in the oceans benefit from a relatively constant environmental temperature, which allows their internal conditions to remain stable. However, for plants and animals to transition to terrestrial environments, a higher cellular thermoregulation was critical to help maintain a relatively constant internal temperature despite the more variable conditions on land. Homeostasis is the ability of an organism to maintain constant internal conditions, such as body temperature, pH levels, and chemical balance, which is essential for survival in varying climates.

Organisms that moved to land developed methods for thermoregulation, allowing them to adapt to the different temperatures found in terrestrial environments. This adaptation includes structural features such as fur, feathers, blubber, and fat, which help to insulate and conserve heat in cold climates. In contrast, mechanisms like perspiration in humans or panting in dogs are used to dissipate excess heat in warmer climates.

Answer:

the tilt of Earth’s axis

the directness of the Sun’s rays

Explanation:

The seasons in the Earth are caused because of the tilt of the Earth's axis, and the directness of the rays of the Sun.  

• The reason the Earth is having different seasons is the variation of the angle of the sun rays, and tilting of the Earth to 23.5 degrees on its axis.  

• With the rotation of the Earth, the Earth orbits around the Sun, due to which different parts of the Earth get exposed to distinct amounts of lights from the Sun all through the year.  

• During summers, the angle of the Sun is highest when the northern hemisphere is tilted towards the Sun. This is when the Sun seems highest in the sky and gives longer days, which supplements more heat to the surface of the Earth.  

• On the other hand, in winters, the angle of the Sun is lowest as the northern hemisphere is tilted away from the Sun. This is the time when the  Sun seems lowest in the sky, the days are shorter, and thus, the temperatures are lower.  

• This change in sunlight eventually influences the seasonal temperatures as the angle of the Sun rays hitting the Earth changes at distinct latitudes and locations.  

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I believe it’s proteins

right answer is "False"\

because every tRNA has its specific amino acid

Answer:

A

Explanation:

and if its not a then its D

When studying tree rings, scientists consider ring width, density, and composition to understand local climate variations, as these factors provide information about growth rates, environmental conditions and nutrient intake.

When studying tree rings to comprehend local climate variations, scientists should primarily consider patterns in their width, the density of the rings and their composition.

A wider ring indicates a year of good growth and favourable conditions, which is usually associated with a warm and wet climate. Conversely, narrower rings suggest a harder year with less optimal conditions, likely due to a colder or drier climate.

The density of the ring can also provide information about the climate. High-density rings suggest favourable conditions for growth, while low-density rings suggest harsh climate conditions.

Lastly, the composition of the rings can identify the tree’s nutrient intake during its growth period. This information indirectly relays details about the soil and the environmental conditions the tree lived through.

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The answer for 4 is B

It has been shown by recent study, that some people develop an immune response on malaria. Those immune people produce antibodies that stop further infection. So, when antibodies are sucked up by the mosquito the malaria parasite is destroyed in the mosquito's stomach. This is one way of prevention.

Also, the administration of the chemicals-antimalarials to transfusion recipients may potentially prevent transmission.

E. coli is C.) a bacterium that normally typically resides in a warm blooded creatures intestines or in the environment and food.

The answers are; TRUE

Pressure increase towards earth’s interior because the further deeper you go the higher the rock layers above that apply pressure towards the center of the earth by gravity.  In addition , due to this increasing pressure, temperatures also increase because the two parameters are directly proportional.

The answer is B, even though it is not technically correct.  The term "cold-blooded" is a misnomer as it applies to reptiles.  Reptiles are poikilothermic, which means they have to absorb heat from the environment in order to maintain metabolic functions.  Without enough heat, they become lethargic, and are unable to digest their food.

its b  reptiles are cold blooded  

the great wall of china

Geographical isolation can be defined to a population of plants, animals or some other organism that is separated by the exchange of genetic materials with other organism of the same species.

Geographical isolation is the caused intentionally or by coincidence. Gene flow can be caused naturally or man made. The naturally occurring barriers are mountains, deserts and mountains et cetera.

The man made barriers such as the great wall of china acts as the barrier for the plant species. Example: Ziziphus jujuba, prunus and some species grow only on the other side of the wall.

its, d climate

i just did the test

The correct answer is upwelling from equatorial to Polar Regions results in bringing oxygen from the epipelagic zone to deeper oceanic zones.  

It is a process in which the wind mediated motion of nutrient-rich, dense, and cooler water is moved towards the surface substituting the nutrient depleted and warmer surface water. The epipelagic zone refers to the upper layer of the ocean, which is abundant in oxygen and gets the majority of the sunlight for the procedure of photosynthesis. The upwelling of water from the equatorial to the polar region brings oxygen.  

The PWS or the Prader-Willi syndrome refers to a rare genetic disorder in which the chromosome 15 gene are either unexpressed or deleted on the paternal chromosome. The paternal origin of the genetic material, which is influenced in the syndrome is essential as the specific region of chromosome 15 taking part is subject to parent of origin imprinting, signifying that for a number of genes in this region, only one copy of the gene is articulated, while the other is silenced due to imprinting.

This signifies that the majority of the individuals exhibit one functioning and one silenced set of these genes. While the individuals with the syndrome exhibits a non-functioning set and a silenced set. The disease is completely autosomal, therefore, it will not predict the sex of the offspring. Also, imprinting is on maternal copy, therefore, if the affected individual is male, it will pass on the mutated copy only in 50 percent of its gametes, and a non-functioning copy to the remaining 50 percent of the gametes. Thus, all of his offspring will exhibit PWS or will get affected.

In other case, if the affected person is female, it will pass on the mutated copy only in 50 percent of its gametes and a non-functioning copy to the remaining 50 percent of the gametes and offspring will take on the functioning copy from its male parent, therefore, all of her offspring will be normal.

Thus, the given statements will be:

1. Sons of affected males have a 50% chance of showing the syndrome - True

2. Daughters of affected males have a 50% chance of showing the syndrome. - True

3. Sons of affected females have a 50% chance of showing the syndrome. - False

4. Daughters of affected females have a 50% chance of showing the syndrome. - False

Prader-Willi syndrome is caused by a mutation in an autosomal maternally imprinted gene. Sons of affected males have a 0% chance of showing the syndrome, while daughters of affected males have a 50% chance of showing the syndrome. Sons and daughters of affected females both have a 50% chance of showing the syndrome.

Prader-Willi syndrome is caused by a mutation in an autosomal maternally imprinted gene. The statements provided are incorrect. Sons of affected males actually have a 0% chance of showing the syndrome, while daughters of affected males have a 50% chance of showing the syndrome. Sons and daughters of affected females both have a 50% chance of showing the syndrome.

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Answer:

lactic acid fermentation

Explanation:

Muscle derive energy in form of ATP by aerobic cellular respiration for their contraction. However, continuous physical activities deprive the muscles of oxygen. The process of lactic acid fermentation does not require the presence of oxygen to occur.

Therefore, in the absence of oxygen, lactic acid fermentation occurs in muscles to serve as a quick source of ATPs for muscle contraction.

The graph shows an increasing trend in glacier ice loss with advancing years. This could be hypothesized to be as a result of increased global temperatures that are melting the ice.  Melting of the ice also causes an increase in the ocean levels. This phenomenon is referred to as global warming.  

The increasing trend in glacier ice loss is likely due to rising global temperatures, causing ice melt and contributing to global warming.

The graph displaying a continuous increase in glacier ice loss over the years strongly suggests a connection to global warming. Here's a breakdown of the correlation:

Global Temperature Rise: Increasing global temperatures, primarily driven by human activities such as the burning of fossil fuels and deforestation, result in higher average temperatures worldwide. This warming effect leads to elevated temperatures in polar and glacier regions, causing ice to melt at an accelerated rate.

Glacier Ice Loss: As temperatures rise, glaciers and ice sheets experience more significant melt rates. This contributes to the observed trend of glacier ice loss over the years. This ice melt affects glaciers and ice sheets in Greenland and Antarctica.

Sea Level Rise: The melted ice from glaciers and ice sheets flows into the oceans, causing sea levels to rise. This phenomenon is one of the key consequences of global warming, known as sea-level rise. Rising sea levels pose significant risks to coastal communities, ecosystems, and infrastructure.

Global Warming: The overall process, where increased global temperatures lead to ice melt and rising sea levels, is encompassed within the broader issue of global warming. Global warming results from the enhanced greenhouse effect, primarily driven by increased greenhouse gas emissions, which trap heat in the Earth's atmosphere.

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The surface area-to-volume ratio of a cell decreases as the cell grows larger, due to the surface area increasing by the square of its radius and the volume increasing by the cube of its radius. This decrease in ratio is vital for cell efficiency and function, especially in eukaryotic cells where compartmentalization and specialization help manage this challenge.

As a cell gets larger, its surface area-to-volume ratio decreases. This is due to the mathematical relationship between the surface area and volume as a shape increases in size. For a cell, the surface area grows by the square of its radius, while the volume grows by the cube of its radius, resulting in an exponential disparity between them as the cell size increases. Consequently, when considering a cell's growth, the correct answer to the question is (C). decreases.

An increase in cell volume without a proportionate increase in surface area leads to a decreased ratio, impacting the cell's efficiency in exchanging materials and nutrients through its membrane. It is crucial for cells to maintain an optimal surface area-to-volume ratio to ensure effective diffusion and cellular function. In the context of eukaryotic cells, which are typically larger than prokaryotic cells and contain organelles such as mitochondria and ribosomes, maintaining this ratio is handled through increased compartmentalization and specialization.

Answer: warm water

El Nino is a climate change pattern which describes the unusual warming of water of Pacific Ocean. The atmospheric pressure above the water decreases. The warm water increases the temperature of wind. The warm wind moves towards the East Equator.

A) warm water  

thats it