Two continental plates collide and begin to build up a mountain range. Gradually, a species of lizards becomes separated by the mountain range. The members on one side can no longer interact with members on the other side. Due to their separation, the two populations of lizards A. will evolve in exactly the same manner and remain as one species. B. will likely become extinct within one year. C. will begin hunting one another for food. D. will likely evolve into separate species over millions of years.

Both photosynthesis and respiration occur in cytoplasm of salmonella bacteria.

Photosynthesis in micro-organisms absorb sun light by pigments and reaction centers which convert  light energy into chemical energy, Cyanobacteria contain chlorophyll pigment where as other bacteria contain bacteriochlorophyll pigment absorb sunlight.

Bacteriochlorophyll absorbs longer wavelength of sun light and Bacteriochlorophyll a is the most common form but other forms are b, c, d, e, f and g.

In bacteria these pigment can not use water as an electron donor and do not produce oxygen called as an-oxygenic photosynthesis.

In Cyanobacteria, photosynthesis occur using water as an electron donor leads to the production of oxygen called as  oxygenic photosynthesis.

Photosynthetic in bacteria are used in various applications like water purification, bio-fertilizers, animal feed and bioremediation.

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The processes of photosynthesis and respiration in Salmonella bacteria take place within the plasma membrane, with photosynthetic pigments located in the thylakoid membranes for photosynthesis, and ATP synthesis akin to mitochondria occurring on the plasma membrane for respiration.

In Salmonella bacteria, the processes of photosynthesis and respiration take place in different locations, given that these organisms do not have chloroplasts and mitochondria. For photosynthesis, bacterial photosynthesis occurs with photosynthetic pigments located in the thylakoid membranes that are embedded within the cell itself. As for the creation of ATP, or respiration, it's carried out on the inner folds of the plasma membrane, akin to the inner membrane of mitochondria in eukaryotic cells. This arrangement supports the theory of endosymbiosis, suggesting that eukaryotic cells' organelles, namely mitochondria and chloroplasts, originally evolved from ingested bacteria that entered into a symbiotic relationship with their host cells.

Protein lactoferrin is present in human body and it is found in certain body fluids such as saliva, breast milk and urine. The main function of protein lactoferrin is to bind with and transport iron in the body. When an infant absorb iron in breast milk, protein lactoferrin attaches to any of the extra iron that the infant does not absorb and stops it from allowing harmful pathogens such as bacteria to grow in the baby's gastrointestinal tract. Thus, protecting babies from illness and infections.

Answer:  Meiosis

Explanation:

The three-domain system, (proposed by Woese) divides organism into groups based on differences in the sequences of nucleotides in the cell's ribosomal RNAs –rRNA ( because their structure changes very little over time) and cell's membrane lipid structure.

 So, the groups are Eukarya, Bacteria and Archea.

The DNA code in a chromosome consists of genes, the instructions to build and maintain an organism, and it's divided in numerous chromosomes. The ends of these chromosomes called Telomeres, provide a protective role for the genes within our DNA, preventing them from getting lost during the cells divisions.

The DNA code in a chromosome is fundamental to inheritance and physical traits. Within the DNA are genes, segments of DNA that contain the instructions to build and maintain an organism. These instructions appear in an orderly manner in the strands of DNA, which is organized in chromosomes.

Each human nucleus contains 46 of these chromosomes, each composed of DNA and proteins. Along chromatin threads, DNA is wrapped around a set of histone proteins, forming a nucleosome. When a cell is dividing, the chromatin condenses into chromosomes to transport DNA effectively.

Further, at the ends of chromosomes are telomeres, made up of noncoding repetitive base pair sequences which protect coding sequences as cells divide. The way this part of the chromosome is replicated was early understood with the discovery of the enzyme telomerase.

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Cave formations called stalactites accumulate from the ceiling of caves due to the deposition of minerals, mainly calcium carbonate, from dripping groundwater. Over thousands of years, these formations grow from the ceiling down. This process is part of the larger cycle of limestone dissolution and re-deposition in caves.

Cave formation occurs when groundwater dissolves minerals in rocks, particularly limestone, which primarily consists of calcium carbonate (CaCO₃). When this water that is rich in dissolved minerals drips from the ceiling of a cave and the minerals come out of solution, they accumulate to form stalactites. These are icicle-like formations that hang from the cave ceiling and are created by the deposition of minerals over an extended period, often thousands of years. Similarly, when drips from stalactites reach the floor of the cave, they can form stalagmites, rounded deposits that grow upward from the floor.

The chemical reaction facilitating this process involves the formation of carbonic acid from rainwater and atmospheric CO₂, which dissolves CaCO₃. Over time, as the water evaporates, it leaves behind layers of CaCO₃ that precipitate out and eventually become the stunning cave formations we see today, such as the ones in Carlsbad Caverns, New Mexico, and Yunnan Province in China.

Answer:

1.Ovulation

2.Implantation

3.Zygote

4.Fetus

5.Conception

6.Embryo

7.Trimesters

Explanation:

Implantation is a procedure where a developing embryo, moving as a blastocyst through an uterus, reaches the uterine wall and stays connected to it until birth.  

embryo is an unborn posterity of a warm blooded creature, specifically an unborn human infant over about two months after origination.  

Zygote is a diploid cell coming about because of the combination of two haploid gametes,

Trimester is a time of a quarter of a year, particularly as a division of the length of pregnancy.  

Conceiving is the action of conceiving a child or of a child being conceived. Conception is the time when sperm travels up through the vagina, into the uterus, and fertilizes an egg found in the Fallopian tube. Conception — and ultimately, pregnancy — can involve a surprisingly complicated series of steps

In females , implantation is the phase of pregnancy at which the incipient organism holds fast to the mass of the uterus. At this phase of pre-birth improvement, the conceptus is known as a blastocyst. It is by this grip the incipient organism gets oxygen and supplements from the mother to have the option to develop.  

Ovulation is the name of the procedure that happens for the most part once in each menstrual cycle when hormone changes trigger an ovary to discharge an egg. You can possibly end up pregnant if a sperm prepares an egg. Ovulation as a rule happens 12 to 16 days before your next period begins. The eggs are contained in your ovaries.  

Fetus: A living being in the beginning times of development and separation, from preparation to the start of the third month of pregnancy (in people). After that point in time, an incipient organism is known as a baby.

Answer:

correct answer

Explanation:

Final answer:

To prevent cells from shrinking or swelling, they should be kept in an isotonic solution, where the concentration of solutes is equal inside and outside of the cell. This isotonic environment prevents net water movement, allowing cells to maintain their size and function. Typical isotonic solutions used include 0.9% NaCl or 5% glucose solutions.

Explanation:

To prevent cells from either shrinking or swelling, you should keep them in an isotonic solution. An isotonic solution has an equal concentration of solutes inside and outside the cell, which equalizes the osmotic pressure on either side of the semi-permeable membrane, preventing net water movement. This balance allows cells to maintain their size and function properly.

In contrast, cells placed in a hypertonic solution, which has a higher concentration of solutes outside the cell, will lose water and shrink, a process known as crenation. On the other hand, cells in a hypotonic solution, where the external solution has a lower concentration of solutes than the cell's internal environment, will swell as water moves into the cell to equalize solute concentrations.

Examples of typical isotonic solutions include 0.9% m/v NaCl solution in water or 5% m/v glucose solution in water. These are often used in medical settings to ensure that red blood cells neither swell nor shrink, maintaining an isotonic environment.

Parens patriae is a legal principle that empowers the state to act as a guardian for individuals unable to care for themselves, such as minor children or persons with mental illness. The broad applicability of this principle ranges from family life to child welfare systems, and can vary internationally.

The legal principle of parens patriae translates to 'parent of the nation' and is a doctrine that grants the state the power to act as a guardian for those who cannot take care of themselves, like minor children. The use of this principle is most commonly seen in matters related family life, child welfare systems, and other arrangements where a child's biological or adoptive parent is unable to care for them.

A historical example of a similar principle is the role of the paterfamilias in ancient societies, where the male head of the household had authority over all dependents. Modern day application of parens patriae can be seen in child welfare systems where the state has both a legal obligation and privilege to care for its most vulnerable children, especially when preventative strategies fail, and children need to be safeguarded.

Internationally, parens patriae can have variations and adaptions. In Latin America for instance, godparenthood was introduced as an extension of family to care for children whose parents were unable to care for them due to social disruptions. This helped to widen a child's social network and provided a similar set of benefits.

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i believe that the answer is true

The idea of alcohol as a gateway drug suggests that alcohol use could potentially lead to the use of more dangerous illicit substances. However, this idea is not universally accepted, as many factors play a role in substance abuse beyond simply the initial introduction of alcohol.

The concept of alcohol as a gateway drug is one which states that the use of alcohol increases the probability of using other, potentially more harmful, illicit substances. This idea, however, is not universally accepted, as not everyone who consumes alcohol goes on to use other drugs.

Factors such as social environment, personal psychology, and genetics also play crucial parts in determining whether an individual progresses from alcohol to other drugs. It's important to note, however, that alcohol can indeed lead to harmful consequences if misused or abused, irrespective of its potential as a gateway drug.

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The right option is c. feline

Answer:

Species in which the females are induced ovulators include cats, rabbits, ferrets, and camels.

Explanation:

Species in which the females are induced ovulators include cats, rabbits, ferrets, and camels. hope this helps :)

Answer:

When oxygen travels to the body via red blood cells, after the oxygen has been distributed to cells, the haemoglobin picks up a waste product called carbon dioxide (CO2) and exposes of the waste by exhaling it via the alveoli

Explanation: hope this helps

Final answer:

The statement 'Muscular strength and endurance is the ability of the cardiovascular and respiratory systems to efficiently transfer oxygen and nutrients to the skeletal muscles' is false. Muscular strength and endurance do not depend on the efficiency of oxygen and nutrient transfer by the cardiovascular and respiratory systems, rather these systems support cardiorespiratory fitness.

Explanation:

Muscular strength refers to the amount of force a muscle can produce in a single maximum effort, while muscular endurance is the ability to resist fatigue and maintain muscle tension or repeated contractions against resistance for an extended time.

The key role of the cardiovascular and respiratory systems is to support cardiorespiratory fitness or endurance, which is the ability to perform prolonged, dynamic exercise with large muscle groups at moderate-to-high intensity levels, by supplying oxygen and nutrients to the muscles during such activities.

Answer:

The data the student must collect is the number of protists in each sample.

Explanation:

The student wants to know if the number of protists is influenced by the depth of the aquatic environments. For this reason, the student went to a lake and collected water samples at different depths. What the student should do now is to place these samples in a telescope, count and note how many protists he has in each sample. After he does this with all samples, he should look at his notes and compare the amount of protists equivalent at each depth. In this way the student will know if the amount of protists is influenced by the depth of the water in an aquatic environment.

Answer:

Heavy metal poison specifically due to lead are removed by intake of milk (as it is a source of calcium)

Explanation:

Toxicity produced by heavy metal specifically lead can be removed by intake of calcium metal which is predominantly found in milk. The interaction between lead-calcium subsides the toxicity of lead.  

Both calcium and lead ion i.e Pb(2+) and Ca2+ compete with each other for transportation at the plasma membrane but due to the presence of Ca2+ channels, and the Ca2+ pumps, calcium get preference over lead and hence it is removed from the nervous system.

It is expected to find 46 chromosomes in the karyotype of the cells taken from the intestine of a person.

The karyotype is a graphic picture representation of the chromosomes in the cells of a given organism/person.

In conclusion, it is expected to find 46 chromosomes in the karyotype of the cells taken from the intestine of a person.

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The new plant that arises from vegetative propagation will have 50 chromosomes in its leaf cells, identical to the parent plant.

The number of chromosomes in the somatic (non-reproductive) cells of a plant remains constant during vegetative propagation.

Therefore, the new plant that arises from vegetative propagation will also have 50 chromosomes in its leaf cells.