Cell Parts and Functions
Select the correct cell parts listed below to fill the blanks of the sentences or spaces that follow
cell membrane
cell wall
mitochondria
nuclear envelope
cytoplasm
nucleolus
vacuole
centriole
Golgi apparatus
lysosomes
ribosomes
chloroplast
smooth ER
nucleus
1. The
is the place where genes (DNA instructions for traits) are stored._____
2. The rough endoplasmic reticulum is studded with ribosomes and functions in the production of protein,
whereas the
functions in the synthesis of lipids and detoxification of harmful
substances._____
3. Structures normally found in animal cells that are involved in animal cell reproduction (aka, cell division)._____
4. Involved in making ribosomes in the cell, this structure is located in the nucleus._____
5. The structure is the outer covering of a cell and is involved in regulating the movement of materials (food,
gases, elements) in and out of the cell._____
6. Cellular respiration occurs in this organelle. Cellular respiration produces ATP for cell activities.
Therefore, the
is sometimes called the powerhouse of the cell."_____
7. The double membrane surrounding the nucleus that controls what enters and leaves it through nuclear
pores) is called the nuclear membrane or_____
8. Vesicles that contain digestive enzymes are_____
9. Outside the cell membrane of a plant cell is the
that also serves as
support and protection for the cell._____
10. Enzymes are proteins, and proteins are produced in this organelle_____
11. Sacs storing water, wastes and food are storage chambers in the cell called_____
12. Structure found in plants, but not animal cells, that carries out photosynthesis is the_____
13. The
is everything outside the nuclear membrane but inside the cell membrane
including the cytosol and structures within the cytosol._____
14. The structure of the cell that prepares and packages proteins for use within the cell for shipment outside
the cell._____

Answer:

The conservation of endangered species is important for humans as well. A well-balanced ecosystem purifies the environment, giving us clean air to breathe, a healthy water system to support diverse marine life, and arable land for agricultural production.

Explanation:

The health of an ecosystem is maintained by its plants and animals. When species become endangered, it is a sign of an ecosystem's imbalance. This balance is difficult to maintain: the loss of one species often triggers the loss of others. ... By saving endangered species, we are ultimately saving ourselves.

The conservation of endangered species is important for maintaining biodiversity and ecosystem balance, with public support enabling increased conservation efforts. However, there are concerns about the allocation of resources, effects on ecosystems, ethical considerations, and public perception related to de-extinction efforts. Finding a balance in conservation resources is essential to ensure the most effective protection of biodiversity.

The conservation of endangered species serves crucial roles in maintaining biodiversity and the balance of ecosystems. Efforts to protect endangered species with large territories, like the northern spotted owl, Strix occidentalis caurina, often result in the protection of other species within the same ecosystem, improving the efficiency of conservation resources. Additionally, certain ecosystems with high concentrations of endangered species, such as the Florida scrub or Hawaiian rainforests, benefit almost equivalently from species-oriented conservation and ecosystem conservation efforts. Public support for protecting charismatic species like the whooping crane (Grus americana), the giant panda (Ailurapoda melanoleuca), and the golden lion tamarin (Leontopithacus rosalia) is high, which can translate to increased funding and attention to conservation efforts.

However, there are cons to focus exclusively on endangered species conservation. The argument against de-extinction efforts is that they are expensive, technically challenging, and may divert necessary resources from protecting species currently facing extinction. Concerns also arise about the potential impact of resurrected species on ecosystems, as they may not fulfil the same roles or exhibit the same behaviours as their pre-extinct counterparts, possibly introducing new threats. Ethical questions surround the concept of humans playing god with the natural order. The potential for public desensitization to the extinction crisis is another critique: if people believe that extinct species can simply be revived, the urgency to protect species might diminish.

In conclusion, while the conservation of endangered species has many benefits, including ecosystem protection, there are debates regarding resource allocation, especially concerning de-extinction efforts. Conservationists face the challenge of finding a balance between preserving endangered species and ensuring the efforts do not outweigh the potential benefits to biodiversity and ecosystems.

Answer:Answer: C- it is Gly, Ser, and Arg

Explanation:

Answer:

C. Gly-Ser-Arg

Explanation:

Gene expression is an important process in living cells as it involves the synthesis of useful products (proteins) needed for optimal functioning of the cell. Gene expression occurs in two major stages viz: transcription and translation. Transcription involves the synthesis of a mRNA molecule using a DNA template.

Translation, on the other hand, occurs in the ribosome (organnelle for protein synthesis). The mRNA molecule produced during transcription is read in a group of three nucleotides called CODON. Each codon specifies a particular amino acid i.e. as one codon is read, one amino acid is added to the polypeptide chain (future protein).

Based on this, a mRNA molecule with a sequence: GGU AGC CGG is composed of three codons, which codes for three amino acids. Using the genetic code provided as an attachment to this question,

Codon GGU codes for Glycine (Gly) amino acid

Codon AGC codes for Serine (Ser) amino acid

Codon CGG codes for Arginine (Arg) amino acid.

Hence, GGU AGC CGG mRNA sequence will synthesize an amino acid sequence: Gly-Ser-Arg.

Population density is found by dividing population by land area. This calculation gives the average number of persons per unit area. The population densities for each listed country were calculated.

Population Density Calculation

Population density is calculated by dividing the population of an area by its land area. The land area should be in same unit for all calculations to keep the comparison valid. Here are the population densities:

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Answer:

D. Designing experiments

Explanation:

Scientists get understanding of the world by performing experiments. Direct conclusion without any data is considered as irrelevant. The scientists design the protocol of the experiment and performs it accordingly to get the data and then infer the result from it.

The experiments are designed on the basis of the hypothesis being stated. The hypothesis is validated by the experiments and has to be altered or withdrawn if the results do not support the hypothesis.

Answer:

Metabolic processes will become uncontrolled.

Explanation:

Enzymes play very essential role in metabolic processes. They transfer electrons from one molecule to another and assist as cell in regulating the extent of anabolic and catabolic processes taking place with in a cell. Thus, if enzymes stops functioning or stop regulating the chemical traffic through pathways of metabolism then the metabolic processes will either not start and in case if they already started, then will not inhibit and remain in the stage of continuation.

Answer:

The correct answer is - ionic bond.

Explanation:

Ionic bonds are the bonds that are formed when an atom transfer its electron to the other atom and forming ions that become electrically charged that attracts each other and form bond between them.

Given the picture showing the ionic bond formation as sodium transfers one electron to the chlorine ion and becomes electrically charged and therefore electrically attracted to one another to form an ionic bond.

Thus, the correct answer is - ionic bond.

Energy begins with the sun and is captured by plants via photosynthesis. It is then passed up through different levels of consumers in a food chain, from herbivores to carnivores. A food web shows a more complex, interconnected system of energy transfer, with energy lost as heat at each level.

Energy in ecosystems is transferred through food chains and food webs. It all starts with energy from the sun, which is harnessed by producers (like plants) through the process of photosynthesis. These producers are consumed by primary consumers (herbivores), which in turn are consumed by secondary consumers (carnivores). Each layer of consumption represents a level in the food chain.

A food web, on the other hand, is a more complex representation of multiple food chains that intersect. These interconnections demonstrate how energy moves in a less linear, more interconnected way. The energy is lost as heat up the food chain or web, thus the higher the level, the less energy is available.

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Answer: Bar Graph

Explanation: I had this question on my quiz, and wanted to just share the answer with you. It is without a doubt one hundred percent correct.  

Bar graph should he use to present his data. So, the correct option is A.

A bar chart or bar graph is defined as a chart or graph that presents categorical data with rectangular bars in which the height or length is proportional to the values ​​they represent where the bars are arranged vertically or horizontally. Vertical bar charts are also called column charts.

These make it easy to compare sets of data between different groups at a glance by representing ranges on one axis and discrete values ​​on the other. The goal is to show the relationship between two axes where bar charts can also show large changes in data over time.

In this question, Gerald uses bar graph to represent its data.

Thus, the correct option is A.

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Answer:

heterogeneous

Explanation:

it's a heterogeneous mixture called a colloid.

Answer:

Energy is the ability to do work.

Explanation:

There are many forms of energy, but the overall description is the ability to do work.

Energy is basically the ability to do work. Energy is in basically everything. We use energy for everything we do, for scoring a goal to baking brownies or to send astronauts into space. Energy comes in different forms but they can be put into two categories which are potential energy and kinetic energy.

Answer:

The glycosidic  linkage between glucose molecules in maltose is α-1,4-glycosidic linkage.

Explanation:

As maltose is a reducing sugar, it must possess the linking of its two glucose molecules in such a way that an anomeric carbon is left for the the formation of an aldehyde group. The glucose molecules in maltose are linked in such a way that the first carbon atom of one of the glucose molecules is attached to the fourth carbon of the other glucose molecule. This is known as head to tail fashion and termed as α-1,4-glycosidic linkage.

Answer:

So a immobile multicellular eukaryote would probably be Plantae could you be slightly more specific because it could technically also be considered a fungi.

Answer:

How has a polar bear adapted to its Arctic environment? Their white fur helps them blend in with the snow and ice. A polar bear has a layer of fat under its skin which helps it stay warm. It also has a thick layer of fur.Inhabiting the ice and sea of the Arctic, polar bears are well-equipped for survival in a harsh environment. Two coats of fur and a thick layer of blubber help insulate the polar bear's body from the cold, keeping its temperature at an even 37° C (98.6° F).

Polar bears have thick fur, a layer of blubber, and a white coat that helps them survive in polar regions. These features provide insulation, store energy, and offer camouflage. Their ability to generate heat further aids in maintaining their internal temperature.

Adaptations of Polar Bears to Cold Climates

Polar bears (Ursus maritimus) have several adaptations that allow them to thrive in extremely cold polar areas. These adaptations include:

Thanks to these incredible adaptations, polar bears are well-equipped to survive and thrive in their Arctic ecosystem.

Final answer:

To avoid future costly mistakes like the loss of the Mars Climate Orbiter due to confusion between English and metric systems, enforce universal adoption of the metric system, implement thorough checks and balances, and enhance team communication on units.

Explanation:

In 1999, confusion between the use of the English and metric systems resulted in the loss of the Mars Climate Orbiter, a spacecraft designed to study Mars' water history. To avoid costly mistakes like this in the future, several measures can be implemented. First, enforcing a universal adoption of the metric system in all space missions to prevent unit conversion errors. Second, incorporating thorough checks and balances in the engineering process to ensure that all data, including units of measurement, are correctly applied and converted when necessary. Lastly, enhancing communication and collaboration among diverse engineering teams to make sure everyone uses a consistent unit system. The failure of the Mars Climate Orbiter serves as a valuable lesson on the importance of attention to detail in engineering calculations, especially in units and dimensions.

Answer:

The grass

btw there's no pic of the food web

Answer:

The protons and the neutrons are found in the nucleus of an atom.

Explanation:

Atoms are best described as the smallest unit of any matter.

Protons can be described as part of an atom which carries a positive charge. The protons are enclosed in the nucleus of the atom.

The neutron is the part of the atom that carries zero charge. The neutron is also enclosed in the nucleus of the atom.

The electrons can be described as the part of an atom that carries a negative charge. The electrons move around the nucleus in orbits.

Answer:

The solution is hypotonic

Explanation:

The salt concentration in the solution is lower  (0.05%) than the concentration of salt inside the cell (2.0%)

Answer:

Amazon Jungle

Explanation:

The locations would most likely have the least wind erosion is amazon Jungle.

The biggest tropical rainforest in the world, the Amazon is still renowned because of its biodiversity as spans much of northeastern Brazil as well as Colombia, Peru, and other South American nations.

The method of separating soil, rock, and dissolving material from one area on the Earth's crust and moving it to another, where it would be deposited, is often known as erosion.

Therefore, the locations would most likely have the least wind erosion is amazon Jungle.

To know more about erosion and amazon Jungle.

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Answer:

c. it can only be produced in windy areas.

Explanation:

for plants, Instead of breathing oxygen, they suck in carbon dioxide and release oxygen in the atmosphere.

Answer:

A. the sun

Explanation:

Answer:

A. the sun

Explanation:

Water cycle -

Water cycle represents that , the evaporation process of the water from the surface of the Earth , and as it rises in to the atmosphere and then condense down and comes back to the surface of Earth , in the form of rain , snow fall .

The very first step , i.e. , the evaporation of the water , is done with the help of the energy of sun .

Because , sun provide the energy to convert the water to water vapor .

Answer:

Water passes through the membrane in a diffusion process called osmosis. During active transport, energy is expended to assist material movement across the membrane in a direction against their concentration gradient. Active transport may take place with the help of protein pumps or through the use of vesicles.

Explanation:

The answer should be the third option "number of protons and neutrons." The atomic mass of a element is equal to the amount of protons, and neutrons added together in that element. So for example if we are trying to find the atomic mass of hydrogen you would add the total amount of protons and neutrons together to find it's mass although it doesn't equal the exact amount of it's mass but it's close.

Hope this helps.

Answer:

protiens and enzymes

This question has a mistake. Here is the correct question:

Which molecule can pass freely through the lipid bilayer ?

Answer:

The correct answer is Lipid-soluble molecules.

Explanation:

In order for a cell to survive, it must receive nutrients and oxygen from the outside that will be transported to them by means of a single cell.

For this to happen, each molecule must pass through a lipid bilayer which is responsible for forming membranes.

Not all molecules can achieve this, but only those that can dissolve in lipids and some small ones will get through this bilayer, leaving out large molecules and ions.

Answer:

Each parent organism contributes one copy of its alleles in a seemingly random fashion to its offspring, as meiosis to create gametes (egg or sperm cells) reduces the number of genes by half. Therefore, each gamete contributes only one allele.

Explanation:

During meiosis process each parent contribute haploid gamete with an alleles for a specific gene in a random fashion to its offspring,  Therefore, each gamete contributes only one allele.

Alleles are the forms of a gene which carry a trait, it is present in a pair in a specific location on a particular chromosome and control the same trait.

Alleles of an organism makes the genotype.

If a pair of alleles are similar for a trait, then the genotype is homozygous.

If the pair of alleles are different for a trait, then the genotype of the organism called as  heterozygous.

Similarly in a heterozygous genotype, the allele which express its character called dominant allele and the other one which wont express called recessive allele.

For example, the human blood group ABO.

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The question was incomplete. The probable question was

1. Explain why it's unknown which of two alleles an offspring will obtain from its biological mother or father for a given characteristic. 2. Reginald Punnett sought to apply the insights obtained by Mendel to explain the laws of inheritance in a structured fashion. What's a Punnett square and how is it used? 3. You're conducting a science experiment crossing two different purebred mouse strains, which each contain a different variation of the same gene, for two generations. What do you expect to see as the phenotypes of the first generation? The second generation? 4. How closely do Mendel's insights into dominant and recessive traits match up with the ratios that Punnett calculated in his Punnett squares?

Answer:

Yes.

Explanation:

In the tropical Pacific, like the western coast of central and south America, the surface of the sea is cooler than normal and that results in reduced rainfall, drought and increased fires. This definitely brings about a negative effect on wildlife, as there is less water and food available.

However, in South East Asia, a higher than normal rainfall is commonly experienced, which is good for agriculture.

Final answer:

A La Niña event, characterized by cooler Pacific Ocean water, affects global weather and ecosystem dynamics. Marine wildlife may benefit from increased nutrient availability, while terrestrial wildlife could be stressed by altered weather patterns. The overall impact on wildlife is complex, with some species benefiting and others facing challenges due to ecosystem fluctuations.

Explanation:

A La Niña event, which is a period when the Pacific Ocean is cooler than usual, has significant impacts on global weather patterns and consequently on wildlife. During La Niña, stronger trade winds blow across the Pacific, leading to a buildup of cooler water in the western Pacific compared to normal years. These cooler ocean temperatures can affect global weather patterns, potentially leading to more intense storms in some regions, droughts in others, and fluctuations in marine ecosystems.

For instance, marine wildlife is impacted by changes in ocean temperatures and currents. A cooler ocean can lead to an increase in upwelling, which brings nutrient-rich waters to the surface and can boost plankton populations. This effect can lead to a more abundant food supply for fish and other marine organisms, potentially increasing their populations. However, terrestrial wildlife may experience stress due to altered weather patterns, such as increased rainfall or drought conditions, which can affect their habitats and food availability.

Moreover, La Niña can influence the migration patterns of birds and marine animals, as they respond to changes in food availability and habitat conditions. Additionally, the populations of prey species can fluctuate, affecting predators and the overall ecosystem balance. It's important to note that while some species may benefit from the conditions brought about by La Niña, others may face greater challenges. Overall, wildlife impact during La Niña events is complex and varies across different ecosystems and species.

The fossil record gives evidence of extinct species. The fossil record shows that organisms always remain the same. Which best describes how the fossil record is

Answer:

The definition of a fossil record is a section of fossils which has been analyzed and organized chronologically and in taxonomic association.

The items that best describes the fossil record are:

1. comparative anatomy

2. radiometric dating

3. DNA analysis