Which of these processes is used to break down glucose into ATP that is usable by the cell?
A) chemosynthesis
B) photosynthesis
C) respiration
D) transpiration

Answer:

D. both (A) and (C)

Explanation:

Lichen is an organism formed from the symbiotic association between non photosynthetic fungi and photosynthetic algae or bacteria.

The algae provides food (through photosynthesis)  to the fungi while the fungi in return absorbs water and other materials that the algae need to carryout photosynthesis.

The correct option is D.

The sequence represents this gene after the mutation is ATTCACATTCA. The correct option is C.

A mutation in the basic biology is an adjustment to the nucleic acid sequence of an organism's, virus's, or any other extrachromosomal DNA. DNA or RNA can be found in the viral genome.

Errors in DNA replication at the time of cell division, exposure to mutagens, or viral infection can all cause mutations.

Somatic mutations which happen in body cells cannot be passed on to offspring, whereas germline mutations which happen in eggs and sperm can.

The new sequence may be: ATTCACATTCA if we assume that the duplication is the consequence of a minor insertion mutation that happened in one of the original copies.

Thus, the correct option is C.

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Answer:

  The average time of pregnancy is 268 days (38 weeks and two days) from ovulation, with a standard deviation of 10 days or a coefficient of variation of 3.7%. Gestational age is calculated from the first day of the woman's last normal menstrual cycle.

  However, only 5% of births occur on the expected date of delivery and at the age of 40 weeks of gestation. 50% of births occur one week before or one week after the expected date. 80% occurs between two weeks before or after

Answer:

animals are active than plants

Explanation:

i hope my answer has helped

Answer:

The answer is A.) Upward growth affects less land area than outward growth.

Explanation:

Answer:

The correct answer will be option A.

Explanation:

A scientific theory is a well-substantiated idea and opinion which explains the natural phenomenon. For a theory to be a scientific theory has to be:

1. well supported by the observations and experiments.

2. supported by repeated experiments and hypothesis.

Since in the question the scientific theory was proposed by more than one scientists who performed many experiments after Dalton who proposed the atomic theory. These scientists modified and revised the theory with their discoveries like JJ Thompson discovered electrons, Ernst Rutherford discovered protons and James Chadwick who discovered neutrons.

Thus, option A is the correct answer.

When clouds trap heat emitted from Earth's surface, they are acting as a Greenhouse gas.

Greenhouse gases (also known as GHGs) are gases in the earth's atmosphere that trap heat. During the day, the sun shines through the atmosphere, warming the earth's surface. At night, the earth's surface cools, releasing heat back into the air. But some of the heat is trapped by the greenhouse gases in the atmosphere.

A greenhouse gas is called that because it absorbs infrared radiation from the Sun in the form of heat, which is circulated in the atmosphere and eventually lost to space.

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The energy stored in food is used to produce ATP, which is the primary energy source for most cellular processes in living organisms, and the food is broken down into its constituent molecules through the process of digestion.

Cellular respiration is a series of chemical reactions that occur in the presence of oxygen, called "aerobic respiration," or in the absence of oxygen, called "anaerobic respiration," in aerobic respiration, glucose(food) is broken down into carbon dioxide and water in a series of reactions that involve the transfer of electrons from glucose(food) to oxygen and that make ATP through a process called "oxidative phosphorylation."

Hence, the energy stored in food is used to produce ATP, which is the primary energy source for most cellular processes in living organisms.

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Answer: Volcano eruption is correct answer.

Explanation:

Volcano eruption occurs when hot materials get thrown out from the interior of earth's surface.

When there is volcanic eruption , it emit so many gases as follows:

Water vapour

Carbon dioxide

Sulfur dioxide

Some elements are two produced by volcano are :

Sulfur

Bromine

Boron

Chlorine

which get into oceans.

Hence, volcano eruption is correct answer.

The formation of ozone near the ground due to the reaction of car pollutants with UV radiation and oxygen is an example of a secondary pollutant.

Ozone forms near the ground when pollutants from cars are exposed to UV radiation and oxygen. This is an example of a secondary pollutant. Secondary pollutants like ground-level ozone are not emitted directly into the air but are created by chemical reactions between primary pollutants and other atmospheric components. In the case of ozone, it forms when nitrogen oxides (NOx) and volatile organic compounds (VOCs) emitted by cars, industrial facilities, and other sources react in the presence of sunlight.

Catharine Beecher believed that women should spend their energy on education and nurturing children to restore moral values. She emphasized the importance of women's roles in domestic duties and as educators. Beecher advocated for the empowerment of women through education and self-improvement.

Answer:

Photosynthesis

Explanation:

The conversion of unusable sunlight energy into usable chemical energy.

A labeled carbon atom begins in a molecule of carbon dioxide, gets incorporated into glucose during photosynthesis, and then is released back into the atmosphere as a new carbon dioxide molecule during cellular respiration. This demonstrates the carbon atom's vital role in the carbon cycle, highlighting the interrelated nature of photosynthesis and respiration in energy transfer within ecosystems.

Trace the Path of a Carbon Atom through Photosynthesis and Respiration-

The journey of a carbon atom starts in a molecule of carbon dioxide during the process of photosynthesis. In this process, plants capture solar energy and use it to convert carbon dioxide and water into glucose, releasing oxygen as a byproduct. Our carbon atom becomes part of a glucose molecule, specifically stored in the covalent bonds that will later be broken during cellular respiration.

During cellular respiration, the carbon atom is released from glucose as part of a carbon dioxide molecule, which is then expelled from the organism. It is interesting to note that the covalent bonds formed during photosynthesis can be incredibly long-lasting and stable. The energy released during cellular respiration is partly used to create ATP (adenosine triphosphate), the energy currency of cells.

Finally, the carbon atom finds itself back in the atmosphere as part of a new carbon dioxide molecule, ready to be used again in the ongoing cycle of photosynthesis and respiration by plants and other living organisms. This illustrates the significant role of these two processes in the carbon cycle, ensuring the transfer and transformation of energy through ecosystems.

Answer: mitochondria

A. global temperatures drop several degrees after several massive volcanic eruptions

Answer:

A. global temperatures drop several degrees after several massive volcanic eruptions

Explanation:

Final answer:

Taxonomy, involving the classification and naming of organisms, utilizes morphologic and genetic evidence to elucidate the evolutionary relationships among species. Systematics and taxonomy aim to map the evolutionary pathways of life on Earth, represented in phylogenetic trees, underscoring shared origins. The taxonomic system, notably binomial nomenclature and the division into three domains, facilitates the study of life's vast diversity.

Explanation:

Understanding Taxonomy and Its Importance

Taxonomy is the science of classifying organisms into a systematically organized framework based on their shared characteristics and evolutionary relationships. This classification is vital as it helps scientists to organize the vast diversity of life on Earth, making it easier to study and understand how organisms are related to each other. The taxonomic classification system comprises different levels, including domain, kingdom, phylum, class, order, family, genus, and species.

Key Components and Evidence in Taxonomy

The two main types of evidence used in taxonomy and determining evolutionary relationships are morphologic evidence (related to the form and function of organisms) and genetic evidence. Together, these types of evidence enable scientists to construct phylogenetic trees, which illustrate the evolutionary pathways of life on Earth. The concept of binomial nomenclature, introduced by Carl Linnaeus, is also crucial in taxonomy, providing a standardized method for naming organisms with a two-part Latin name that signifies their genus and species.

Systematics and taxonomy are deeply intertwined with phylogeny, as they all aim to understand the evolutionary relationships among organisms. This understanding is further visualized through phylogenetic trees, which not only display these relationships but also hint at the evolutionary history and common ancestors of different organisms. The tree of life concept, with a single common ancestor branching out into the diversity seen today, emphasizes the shared origins of all life forms.

Importance of the Domains of Life

The classification into three domains of life—Bacteria, Archaea, and Eukarya—underscores the fundamental distinctions at the highest level of organization. This division reflects key evolutionary milestones and relationships among all living organisms.

Correct answer: C). One in which the environment undergoes sudden, drastic changes

Asexual reproduction is defined as a mode of reproduction, in which only one parent is responsible for carrying out the process of reproduction, it do not involve fusion of female and male gamete.

As the offspring that results from the asexual reproduction have same genetic makeup and physical appearance, it means they do not have any variation, so in the case of sudden changes they are not able to survive and cope up with the changes.

Hence, the correct answer would be option C.

Asexual reproduction would be least beneficial in situations where the environment undergoes sudden, drastic changes because genetic diversity, achieved through sexual reproduction, is crucial for dealing with changing environmental conditions.

Asexual reproduction, such as mitotic budding, fragmentation, or producing asexual eggs, allows a species to rapidly expand in number because every individual is capable of reproducing, and it doesn't require the energy expenditure of finding a mate; however, sexual reproduction, through meiosis, provides genetic diversity, which can be critically important when facing environmental changes.

In the scenario where the environment undergoes sudden, drastic changes, reproducing asexually would be the least beneficial. This is because asexually produced offspring are genetically identical to the parent, and in a dramatically changing environment, genetic diversity would enhance the chances of survival of some offspring. Thus, sexual reproduction would be more advantageous in such situations.

In contrast, asexual reproduction is most advantageous in stable environments where a successful parent's traits would likely lead to successful offspring without the need for genetic variation to cope with changes.

The word 'thermal' in 'thermal underwear' refers to clothing that retains body heat, providing insulation and keeping the body warm in cold conditions. It is connected to the concept of thermal energy and the transfer of heat.

In the sentence, 'All boys coming on the school camping trip need to bring a pair of long thermal underwear because it is going to be very cold this weekend,' the word 'thermal' refers to clothing that is specially designed to retain body heat. Thermal underwear is made from fabrics that provide insulation, which helps to keep the body warm by trapping heat close to the skin. This type of clothing is particularly useful in cold environments where maintaining body heat is essential for comfort and prevention of hypothermia. The term 'thermal' relates to heat and comes from the concept of thermal energy, which is the energy that comes from the kinetic energy of particles within a material.

When we talk about thermal contact, it means that two objects are in such a relationship that they can transfer energy through heat. Similarly, when we say something is 'thermal-ized,' we mean that energy has been transferred into heat, or into the random kinetic energy of particles. In summary, 'thermal' in the given context is used to describe underwear that provides warmth and insulation against cold temperatures.

Answer:

The correct answer is 3.The car is out of gasoline.

Explanation:

A good testable hypothesis for a car that will not start would be that the car do not contain the fuel to start because any car requires fuel to get started.

So gasoline is a fuel which is also known as petroleum and is widely used as the fuel source for vehicles all over the world. So when any car becomes out of gasoline that car will not start because there will be no energy source to start the engine of the car.  

Therefore the car is out of gasoline is a good testable hypothesis for ben who observed that his car will not start.

Final answer:

Marine biomes are influenced by sunlight, temperature, water movement, and salt content, with distinct zones based on depth and distance from land like coral reefs and estuaries, each supporting specialized organisms.

Explanation:

The physical features that most influence a marine biome include sunlight, temperature, water movement, and salt content. Sunlight is vital for the process of photosynthesis, which sustains many marine organisms. It penetrates the water to varying depths, creating distinct zones each with their own adapted species. Temperature plays a pivotal role as well due to its effect on water density and stratification, influencing organisms' distribution and behavior. Water movement, including currents, significantly affects marine ecosystems by shaping physical conditions and distributing nutrients. Finally, the salt content of marine biomes is crucial, as it requires organisms to have specialized adaptations for osmoregulation.

Ocean zones can be divided based on depth and distance from land, and contain a diverse range of species adapted to these abiotic factors. Coral reefs and estuaries are other types of marine biomes with unique ecological characteristics. Coral reefs are biodiverse and contain organisms like corals which house algae for photosynthesis and nutrient provision, while estuaries provide a critical habitat for many juvenile marine species.

If the temperature rise and the precipitation the vast grasslands called prairies will start to lose their initial appearance and characteristics and because of the higher temperature, humidity and rainfall trees will start to grow as well as bushes. Over time (depending on how quickly the change will appear) the prairie will be replaced by vast rainforests and the prairie ecosystem will be totally replaced by a tropical rainforest ecosystem similar to the southern half of central america.

Answer:1.  Ionization

2. columns

Explanation:

1. Ionization energy is the energy required to remove the outermost electron from an isolated gaseous atom.

In a period or row, the ionization energy increases as we move down as the size decreases and thus the valence shell moves closer to the nucleus and thus is difficult to remove.

In a group or column, the ionization energy decreases as we move down as the size increases and thus the valence shell moves farther from nucleus and thus is easier to remove.

2. The elements are arrange in order of increasing atomic numbers in which elements with similar properties are present at regular intervals.

The rows of the periodic table are called as rows and the vertical columns are called as groups.

The elements in the same column or group have similar number of valence electrons as thus they have similar chemical reactivity.