Please answer ASAP, the assignments in due really soon :) 30 Points!!! The image below shows the lac operon, which breaks down lactose in bacteria. Which statement correctly describes the expression of this gene?

Answer:

b

Explanation:

The correct answer as to the ocean process that exposes the coastal organisms to land-based predators would be the daily tidal patterns that leave the coastal area exposed to the land for a part of the day.

Some parts of the coastal areas become exposed to land during certain periods of the day as a result of tidal waves. When this happens, the aquatic organisms occupying these coastal areas become temporarily exposed to land predators who hunt and kill them for food.

Therefore, the correct option is b.

Answer:

allales

Explanation:

an allele is the variant from a gene

Answer:

A. allales

Explanation:

Beeswax because it is a livong thing

The biotic factor among the options given is beeswax, which is the third option, as the biotic factors are living or once-living organisms in an ecosystem that directly or indirectly affect other organisms.

Biotic factors are living or once-living components of an ecosystem that have a direct or indirect effect on the survival, growth, and reproduction of other living organisms. Examples of biotic factors include plants, animals, fungi, bacteria, and other microorganisms that are part of the ecosystem. Beeswax, as mentioned, is a biotic factor because it is produced by living organisms, specifically bees. Beeswax is used by bees to build their hives or nests, which are important structures for their survival and reproduction.

Hence, the biotic factor among the options given is beeswax, which is the third option.

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Answer:

PEP carboxykinase

Explanation:

PEP carboxykinase is also known as Phosphoenolpyruvate carboxykinase. It is an enzyme which is used for the production of glucose from non-carbohydrate carbon substrates. This enzyme is used only in gluconeogenesis not in glycolysis because this enzyme helps in the production of glucose while glycolysis is a process in which the glucose  break down into pyruvate and ATP molecules.

Answer:

Using a graduated cylinder.

Explanation:

By using a graduated cylinder we can determine the volume of liquids.

(1)Volume of liquid=10cm^3

(2)Volume of liquid after adding an irregular substance exceeds the first one by 20cm^3

(1)V+(2)V=(3)Vtotal

10cm^3+20cm^3=30cm^3

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Answer:

In type 1 diabetes the immune system erroneously attacks the beta cells that produce insulin in your pancreas. It causes permanent damage, leaving your pancreas unable to produce insulin. Exactly what triggers the immune system to do that isn't clear. Genetic and environmental factors may play a role.

Explanation:

Nucleic acids

Composed of Carbon, Hydrogen, Oxygen, Nitrogen and phosphorous.

DNA

The universal code that stores genetic information in all organisms

Semi

conservative-Bases in original strand split and new nucleotides complementary base pair to form two new strands

Mutations

Any change to the DNA sequence

Gene mutation

Permanent change in the DNA sequence that makes up a gene.

Transcription

The process of copying a nucleotide sequence of DNA to form a complementary strand of mRNA

Translation

Process by which mRNA is decoded and proteins are made.

Codon

Three nucleotide bases

tRNA

Reads the codon on the mRNA using anticodons and the complimentary base pair rules and delivers the amino acids

What would be the replicated DNA strand for the following DNA sequence?...GCGTATG

CGCATATC

What would be the mRNA and tRNA be for the following DNA sequence?...AGGTTA

mRNA...UCCAAU. tRNA...AGGUUA.

The process of converting the genetic message from DNA into ____ is called transcription.

mRNA

How many amino acids are in the human body and what do we call the bond that holds them together?

20; Peptide bond

A single strand of DNA contains the following nine nucleotides in order ACTTATGGA. What sequence of bases will be present on the complementary strand of DNA?

TGAATACCT

In humans, insulin is manufactured in the pancreas. Insulin is a peptide hormone that causes the body's cells to take up glucose. The blueprint for the polypeptide chain that is insulin is found in the __________ of specialized pancreatic cells.

DNA

Given the sequence of DNA nucleotide bases TTAGCCTTG, give the complementary mRNA produced during transcription.

AATCGGAAC

Identify the correct sequence of molecules, as a gene goes from coded information in the nucleus, to the product the cell wants to make.

DNA...messenger RNA...transfer RNA...Protein

Why is DNA replication considered semiconservative?

Each half of the old DNA strand serves as a template for the new growing strand causing the copied DNA to half new and half old.

Answer and Explanation:

Due to technical problems, you will find the answer and explanation in the attached file.

Answer:

b. Succession is a gradual change to ocean communities

Explanation:

An ecosystem can undergo changes in it's structure and composition over a particular period of time. This term is called ECOLOGICAL SUCCESSION. Succession is the gradual change that occurs to a community over time. Succession is of two types; primary and secondary succession.

According to the question, climate change and succession are causes of change to the ocean ecosystem. Hence, succession there represents the gradual change that occurs to the structural composition of ocean ecosystem over time.

Answer:

The answer is B - Succession is a gradual change to ocean communities

Explanation:

Think of primary and secondary succession, these processes take time.

Answer:

Epidermis layer is responsible for the protection of meristematic region.

Explanation:

Meristematic region is protected in the stem tip by epidermis which consist of dead layer of cells. Epidermis is the outer layer of stems, leaves, flowers and fruits which is responsible for the protection of inner part from damage. Vascular bundle such as phloem present near the boundary of the stem while the xylem is present in the inside of the stem. In the inside layer of the stem, all the xylem cells are genetically identical while the layer that is present at the edge of the stem is phloem in which all the cells are  genetically identical to each other.

Answer:

There are from 200-500 million alveoli (mean diameter = 200 micrometers) in adult human lungs

Explanation:

The epithelial cells of the alveolar septum are markedly thinned and the capillary network immediately beneath the epithelium is the richest in the body.hope this helps you :)

Answer:

The answer is alveoli

Answer:

disaccharide

Explanation:

A disaccharide is a form of sugar that is made up of the combination of two other sugar molecules that are simple. They possess the property to dissolve easily in water. The process that occurs to join the two simple sugars includes the removal of water from the molecules. Sucrose, lactose, and maltose are the three disaccharides.

Answer:

disaccharide

Explanation:

A disaccharide is a form of sugar that is made up of the combination of two other sugar molecules that are simple. They possess the property to dissolve easily in water. The process that occurs to join the two simple sugars includes the removal of water from the molecules. Sucrose, lactose, and maltose are the three disaccharides.

Answer:

They photosynthesize..

Explanation:

There are several ways deep ocean animals survive in such an enviournment..Food is scare in much of the deep sea, in parts because photosynthesis only thakes place at the ocean's surface where there's sunlight. Most animals cope with this by begin very small and meeding less to eat of by growoing very slow..

Answer:

the answer is They photosynthesize..

Explanation:

Answer:

B.

Explanation:

Examples of plants that are propagated this way include hops, asparagus, ginger, irises, lily of the valley, cannas, and sympodial orchids. Some rhizomes that are used directly in cooking include ginger, turmeric, galangal, fingerroot, and lotus.

Answer:

Peer review involves subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication. A peer review helps the publisher decide whether a work should be accepted.

Answer:

start codon - AUG

in-sequence amino acid - AAA, UGC, AUC, CAC, GCA, ACU

stop codon - UAA, UAG, UGA

Explanation:

From the amino acid chart, the start codon is represented by the codon AUG which also code for the amino acid methionine. There are three stop codons including UAA, UAG, and UGA. The stop codons signal the end of the translation process of the mRNA. Every other codon within the mRNA chain codes for different amino acids except methionine.

Hence, using the attached amino acid chart:

start codon - AUG

in-sequence amino acid - AAA, UGC, AUC, CAC, GCA, ACU

stop codon - UAA, UAG, UGA

Answer:

The nutrient collapse  that atmosphere is change that food we eat and no is paying attention.

Explanation:

Nutrient collapse in the agriculture research it the mos important foods been getting nutrition less, they generally vegetables, fruits minerals and vitamin, protein content has to past.

The researching choosing crops for higher yields and nutrition and wheat to less nutrient,fruits and vegetables that form protein to calcium, iron and vitamin are varieties choosing to grow.

Atmosphere may be change and food we eat,and human needs a oxygen and they plants need a carbon dioxide, and the level the atmosphere is rising.

Carbon dioxide is the atmosphere in turn the contributes to the plant growth,and food production an quality of food is better.

Human nutrient linked through a quality of plants and affected the balance of nutrient in rice, crop and they people rely on, human chain need to measured and understood.

It simply not discussed to the agriculture and health public or nutrient communities.

Answer:

I would go with A maybe,am not really sure though.

Answer:

dependent variable

the control group is the fourth plant with pure water.

Explanation:

Answer:

Pyruvate helps in the production of ATP.

Explanation:

The molecule of pyruvate converted into acetyl CoA. Then each molecule which is produced during glycolysis loses electron and carbondioxide releases. After the breakdown of pyruvate, the electrons loses by pyruvate are transferred to NAD+ in order to produce NADH, which will be used by the cell to produce energy molecule such as ATP. So we can say that pyruvate plays a vital role in the formation of ATP molecule.

Answer:

A. Together.

Explanation:

The root word of mutualism, mutual means together or a thing that many people share.

For example:

Mutualist Symbiotic Relationship refers to a relationship in which organisms are benefited, in other words it is a win-win.

The relationship between the Egyptian plover bird and the crocodile, that is mutualist relationship.

When a meat or something (food) gets stuck in the teeth of the crocodile then the Egyptian plover bird takes it out (like a toothpick).

The crocodile gets benefited.

The bird also gets benefited (its gets its food)

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Answer:

together

Explanation:

Mutualism is defined as a relationship that benefits two organisms, or it is defined as a doctrine in sociology where mutual aid is beneficial to society and the individual. An example of mutualism is pollination which is when bees take nectar from flowers and then deposit the nectar on another flower.

Answer:

Explanation:

Exhaust from vehicles, factories, volcanoes and wildfires are the major causes of air pollution.

Effects of air pollution include many diseases. For example heart disease, lung disease, respiratory diseases etc... They also damage nerves, brain, kidney, lungs, heart etc...

Solution to air pollution:

We should replace the fossil fuels with natural energies like solar, wind, geothermal, hydro etc...

Waste water treatment

Dust control

Hope this helps

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Answer: controls what enters and leaves the cell

Explanation: it is a barrier keeping the constituents of the cell in and unwanted substansces out and is also a gate allowing transport into the cell of essential nutirnts and movement from cell of waste products.

The cell membrane is also referred to as the plasma membrane or cytoplasmic membrane of the cell. It lays various functions in the cell.

The correct answer is:

Option B. controls what enters and leaves the cell

Role of the cell membrane are:

Thus, the correct answer is Option B.

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Answer:

During Enzymatic reaction, enzymes binds to a substrate to form a which then forms the product.

Change in shape of substrate, product and enzymes depends on the temperature outside the optimal range which affect bonding between enzyme and substrate. Enzymes definitely changes their size when bind to substrat and the process is called induced fit which increases the rate of reaction.

During an enzymatic reaction, their is an decrease in the concentration of substrate, an increase in the concentration of product, and no change in the concentration of the enzyme.

A reaction, which is mediated with the help of an enzyme is termed as enzymatic reaction. A substance, which functions as a catalyst in living organisms and regulate the rate at which the chemical reactions takes place is known as an enzyme.

The enzymatic reactions follows the lock and key model, in which the free enzyme combines with the substrate and forms the enzyme-substrate complex, this is further catalyzed into the enzyme-product complex, from which the free enzyme and product get discharged. The product never further binds with the free enzyme.

In the reaction, the substrate get used up thus its concentration decreases, while the formation of product takes place thus its concentration increases. However, there is no change in the concentration of the enzyme as it does not get used up in the process.

Thus, in enzymatic reaction, substrate decreases, product increases, and enzyme concentration remains the same.

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Answer:

I don't know what exactly you are asking so

A simile is comparing 2 thing using "like" or "as"

Example: Her cheeks were red as a rose

Answer:

G proteins, also known as guanine nucleotide-binding proteins, are a family of proteins that act as molecular switches inside cells, and are involved in transmitting signals from a variety of stimuli outside a cell to its interior. ... G proteins belong to the larger group of enzymes called GTPases.

Answer:

The answer is ATP, ADP

Explanation:

When protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.

Hydrolysis may be defined as a chemical process that utilizes the molecules of water that involve the chemical breakdown of a compound.

Amino acids are the monomers of protein. These amino acids are linked together by peptide bonds. But the process of hydrolysis breaks the peptide bond between the amino acid sequences and released them significantly in free form.

Therefore, when protein is hydrolyzed, it forms amino acids. Thus, the correct option is A.

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Answer:

mass

Explanation:

mass is the amount of matter an object is made up off.

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The amount of matter a substance have is known as Mass. Mass is a fixed everywhere in the universe. Sometimes we get confused between Mass and weight, but we should remember that Weight is the force with which a body is attracted towards earth. And above is the definition of mass. It is measured by common balance.

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Answer:

c

Explanation:

beacuse the investigation was beacesd on taste