Cultures of a bacterial species were incubated out on the incubator shelf, in an anaerobic jar, and in a candle jar. After incubation there was moderate growth of cultures in the candle and anaerobic jars, but heavy growth of the culture on the incubator shelf. This species is a/an:_____.

Answer:

The exudation(To discharge through pores or incisions, as moisture or other liquid) of drops of water from the leaves of some vascular plants as a result of root pressure.

Note;- Text extracted from Wiktionary

the secretion of droplets of water from the pores of plants.

Answer:

The most complex is organ system

Explanation:

This is because it includes atoms and molecules and organs etc. and the largest level organization.

Answer:

I think the most complex term is atoms.

Explanation:

I think this because atoms help make molecules in your body, witch make up matter.

Explanation:

you're asking us like we were in the past . how Can we know the past when we weren't there

The answer is true. Bioinformatics is described as the use of computational and analytical tools to capture and understand biological data. It is a multidisciplinary field that combines computer science, mathematics, physics, and biology.

Utilizing computers to gather and analyze biological data, particularly in the areas of genetics and genomics, is referred to as bioinformatics. A bioinformatics example is the use of computer analysis on the Human Genome Project, which has catalogued the three billion base pairs of the human DNA system. In other nations, it is one of the industries with the highest salaries. In India, the sector is likewise expanding quickly.

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Answer:

d. polymer

Explanation:

Polymer has a large number of similar units that are bonded together.

Answer:

Appendicular

Explanation:

The Appendicular Skeleton includes:

The upper limbs include the bones of the arm (humerus), forearm (radius and ulna), wrist, and hand. The only bone of the arm is the humerus, which articulates with the forearm bones–the radius and ulna–at the elbow joint. The ulna is the larger of the two forearm bones.

Answer:

s-left ventricle

t-septum

The primary structural difference between deoxyribonucleotides and ribonucleotides is the absence of an oxygen atom in the former. This lack of an oxygen atom causes the deoxyribonucleotides to lack the hydroxyl (OH) group found in the ribonucleotides.

The lack of a hydroxyl group makes DNA more resistant to hydrolysis and thus more stable. To contrast, the presence of the hydroxyl group makes RNA more prone to hydrolysis and therefore less stable. This greater stability of DNA makes it more suitable for genetic material than RNA since DNA can maintain its structure and integrity longer, thereby allowing it to exist with its information intact for longer durations of time.

This high stability of DNA also makes it better able to withstand environmental stressors such as extreme temperatures or acidity, which can rapidly degrade RNA. Furthermore, DNA has much higher molecular weight than RNA so it can pack in more genetic information in a single molecule of DNA.

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1. Hydrogen Envelope: This is the largest part of a comet. It's an enormous cloud of hydrogen gas that surrounds the entire comet, extending millions of kilometers into space.

2. Coma: The coma is the cloud of dust and gas that surrounds the nucleus of a comet. It's usually the second largest component, expanding as the comet gets closer to the Sun and heats up.

3. Nucleus: The nucleus is the solid core of the comet, made up of rock, dust, and frozen gases. It's typically the smallest part of the comet, often just a few kilometers across.

So, from largest to smallest, the components of a comet would be ranked:

Hydrogen Envelope > Coma > Nucleus

Answer:

a) T

b) F

c) F

d) T

e) T

Explanation:

b) when there is not enough oxygen available to a muscle cell during cellular respiration, lactic acid will be converted into pyruvate, and fermentation will occur

c) The four main stages of anaerobic respiration are glycolysis, the link reaction, the Krebs cycle and oxidative phosphorylation.

Hope you get your work done good luck.

Answer: D

Explanation:

Scientists must assume when using scientific laws to make predictions that the universe acts in the same way as it has in the past and will continue to act in the future, which is option B. Hence, option B is the correct option.

When scientists use scientific laws to make predictions, they assume that the fundamental principles and natural processes governing the universe remain consistent over time. This assumption is based on the principle of uniformitarianism, which suggests that the same physical laws and processes that have operated in the past continue to operate in the present and will continue to do so in the future. By relying on this assumption, scientists can make predictions based on their understanding of established scientific laws and principles. Hence, option B is the correct option.

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Answer:

The three-chambered hearts of amphibians and nonbird reptiles are facultative, allowing variation in blood flow through the heart.

Explanation:

In Anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

I. Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

II. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

All amphibians and reptiles except for crocodiles (having four-chambered heart) have three-chambered hearts, which typically comprises of a partially divided ventricle and two atria.

Hence, the correct statement about the three-chambered hearts of amphibians and nonbird reptiles is that, the three-chambered hearts of amphibians and nonbird reptiles are facultative, allowing variation in blood flow through the heart due to the partially divided ventricle.

Answer:

Prokaryotic, eukaryotic

Explanation:

Answer:

here

Explanation:

one one important difference is that cancer cells are less specialized than normal cells there is where normal cells mature into very distinct cell types with specific functions cancer cells do not have specific functions

The statement "Blood pressure plays a major role in returning venous blood to the heart" is false because venous blood flow is primarily driven by mechanisms other than blood pressure.

Unlike arterial blood flow, which is propelled by the pumping action of the heart, venous blood flow relies on a combination of factors such as skeletal muscle contractions, one-way valves within veins, and respiratory movements.

The contraction of skeletal muscles, particularly in the legs, acts as a pump, squeezing the veins and propelling blood towards the heart. The presence of one-way valves within veins prevents backward flow, ensuring blood moves in the desired direction. Additionally, the pressure changes that occur during breathing, specifically inhalation, create a pressure gradient that assists in venous return, the statement is false.

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- In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are. This is a model.

- A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer. This is a hypothesis.

- Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations. This is a scientific theory.

- The flow of blood through a blood vessel is treated as the flow of a liquid through a long, straight pipe. This is a model.

It is important for biologists and people in biology-related fields to learn physics because:

- To learn how to solve complex problems

- To learn how to communicate scientific ideas

- To learn how to apply fundamental principles with logic and reasoning

- To learn how to interpret and apply different representations of information

- To learn how to interpret quantitative measurements

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Identify the following situations as a hypothesis, a theory, or a model.

i. In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are.

ii. Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations.

iii. A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer.

A) i. - hypothesis; ii. - theory; iii. - model

B) i. - model; ii. - theory; iii. - hypothesis

C) i. - theory; ii. - hypothesis; iii. - model

D) i. - model; ii. - hypothesis; iii. - theory

E) i. - theory; ii. - model; iii. - hypothesis

The selection of antibiotic resistant bacteria is an example of natural selection.

Natural selection is the process whereby organisms that are better suited or adapted to their environment have more chance of survival.

Antibiotic resistance is a phenomenon of certain bacteria that gives them an edge over their susceptible counterparts.

Antibiotic resistance is caused by evolution through the process of natural selection.

Therefore, the selection of antibiotic resistant bacteria is an example of natural selection.

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Answer:

Enzymes are a protein in nature and are made when amino acid links together in the correct sequence.

Answer:This is called a gene-environment interaction or gene-environment interplay.

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Answer:

Explanation: some microorganisms help you digest food, protect against infection and maintain your reproductive health

The statement best supports the second student's claim: "Microorganisms can aid in the absorption of nutrients from food within the digestive system."  Some microorganisms in food, such as those found in yogurt, are known as probiotics and can positively affect human health. Hence option D is correct.

Probiotics are live microorganisms that, when consumed in adequate amounts, confer health benefits to the host. These microorganisms can help to improve gut health by aiding in the breakdown and absorption of nutrients from food within the digestive system.

Probiotics can also help to restore the balance of microorganisms in the gut, which can become disrupted due to factors such as antibiotic use, stress, and poor diet.

This can help to improve immune function and reduce the risk of certain diseases, such as inflammatory bowel disease and some types of cancer.

In contrast, not all microorganisms in food positively affect human health. Some microorganisms, such as pathogenic bacteria, can cause foodborne illnesses and have a negative impact on human health.

It is important to handle and store food properly to prevent the growth of these harmful microorganisms.

Hence option D is correct.

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Answer:

U U G

hope you have a good day/night make sure to do good in school and try your best :)

The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. It also allows cells to develop turgor pressure, which is the pressure of the cell contents against the cell wall.

Answer:

B

Explanation:

I took the test

The yellow cast to the skin that indicates liver disease is referred to as jaundice.

Jaundice is a condition characterized by a yellow discoloration of the skin and whites of the eyes that indicates an elevated level of bilirubin in the bloodstream. Bilirubin is a yellow-colored substance produced during the natural breakdown of red blood cells in the body.

When the liver is damaged, it is unable to process bilirubin effectively, leading to a buildup of bilirubin in the bloodstream, which causes jaundice. The yellowing of the skin is not the only symptom of liver disease.

Other symptoms may include abdominal pain, swelling, and tenderness, nausea, and vomiting, loss of appetite, fatigue, weight loss, and fever. The severity of the symptoms varies depending on the underlying cause of the liver disease and the stage of the condition.

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Clastic sedimentary rock is the type of rock that is displayed. Conglomerates comprise clastic sedimentary rocks made primarily of rounded clasts the size of pebbles.

Rock fragments (clasts) from older rocks make up clastic sedimentary rocks. Weathering causes rock fragments to become loose, which are subsequently moved to a basin or depression were sediment is trapped. Sediment becomes sedimentary rock when it is deeply buried, crushed, and cemented.

Clastic rocks are composed of fragments of other rocks which were worn, eroded, and deposited. Rock and mineral pieces make up clasts. Sandstone and mudstone are clastic rock types. When water is evaporated or from plant remnants, non-clastic rocks are formed.

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answer is b

Explanation:

aa in the anaphase of cell division crossing over and random assortment of genes happen so the genes are getting mixed up together

Answer:

b

Explanation:

ap3x