A plant with variegated (two-coloured) leaves was left in the sun for several hours. A piece of one of its leaves were then detached (removed) and tested for sugar.

Explain, as fully as you can, why the yellow region of the leaf had not produced sugar. (5 marks)

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The type of signal that directs the synaptic vesicles to release their neurotransmitters into the synapse is known as an Electrical signal. Thus, the correct option for this question is C.

Neurotransmitters may be characterized as the types of chemical substances that are generally secreted by the neuron in order to induce an effect on the other cell across a synapse. GABA, serotonin, dopamine, etc. are examples of neurotransmitters.

An electrical signal is induced when sending a signal (i.e., a presynaptic neuron) releases a chemical called a neurotransmitter, which binds to a receptor on the surface of the receiving (i.e., postsynaptic) neuron. These chemical substances called neurotransmitters are liberated from presynaptic terminals, which may branch to communicate with several postsynaptic neurons.

Therefore, the type of signal that directs the synaptic vesicles to release their neurotransmitters into the synapse is known as an Electrical signal. Thus, the correct option for this question is C.

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Answer: Amino acids play a central role in cellular metabolism, and organisms need to synthesize most of them (Figure 1). Many of us become familiar with amino acids when we first learn about translation, the synthesis of protein from the nucleic acid code in mRNA. To date, scientists have discovered more than five hundred amino acids in nature, but only twenty-two participate in translation.

Explanation: i don't know :D

Answer:

The correct answer would be C

Explanation:

Answer:

A.

Explanation:

Answer:

There are over 200 different cell types in the human body.

Explanation:

Types of cells in the human body.

Stem cells Embryonic stem cells Adult stem cells

Muscle cells Skeletal Cardiac Smooth

Cartillage cells Chondrocytes

Bone cells Osteoblasts Osteoclasts Osteocytes Lining cells

Skin cells Keratinocytes Melanocytes Merkel cells Langerhans cells

hope this helps.

Platyhelminthes present a body that can be divided into two, drawing a line from the head to the tail right in the middle of it, as the following image shows:

Answer:

to keep the icosystem bidiversted

Answer:

In water molecules

Explanation:

"Scientists estimate that 50-80% of the oxygen production on Earth comes from the ocean. The majority of this production is from oceanic plankton — drifting plants, algae, and some bacteria that can photosynthesized"

A theory should be supported by evidence because it is an explanation of existing patterns of phenomena that are accepted by many scientists. It will remain a theory instead of becoming a fact when there are evidences that do not support the idea of the theory.

So the answer to this question may be B.

Groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio. Option D

A cell can be defined as the simplest, basic, structural and functional unit of life. The study of cell is known as cytology.

There are two types of living organisms based on the numbers of cells they have; these are

Therefore, groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio.

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Answer: E. cell structure, function, and life histories

Explanation:

The best answer choice is E because cytology is the study of the structure, function, and pathology along with cell origin.

Answer:

hey MR.PICKLE it is bellzE

Explanation:

I miss u

Condensation

Condensation is the process by which water vapor in the air is changed into liquid water. Condensation is a apart of the water cycle because it is responsible for the formation of cloud.

Answer:

It is present in our body

Answer:

Nitrogen is important because:

To maintain balance in atmospheric composition of air.

To form / make chemical reaction or compounds

Explanation:

semiconservative replication

Tryptophan, the end product of the trp operon, function in the regulation of the operon by binding to the repressor and only then can this complex bind to DNA preventing transcription of the operon.

The trp operon is an operon—a collection of genes utilised or transcribed collectively—that codes for the elements required for tryptophan synthesis. Despite being found in many bacteria, Escherichia coli is where the trp operon was first identified. A repressor protein that binds to two tryptophan molecules activates the trp operon.

This repressor-tryptophan complex binds to the trp operator when tryptophan is abundant. The operon is not transcribed because this binding inhibits RNA polymerase from binding. Tryptophan increases the transcription of the trp regulatory gene when tryptophan levels are high. Tryptophan increases the transcription of the structural genes when levels are low.

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Answer:

i would say full

(what if u get thirsty?)

Explanation:

The best description of the electron transfer pathway from photosynthesis II to photosynthesis I in the light-dependent reactions is option c.

After splitting water in PS-II, high-energy electrons are delivered through the chloroplast electron transport chain to PS-I. This process is known as noncyclic photophosphorylation and involves the transfer of electrons from PS-II to an electron acceptor, which then passes them down the electron transport chain to PS-I. This movement of electrons creates a proton gradient, which is used to produce ATP through chemiosmosis. Ultimately, the electrons are transferred to PS-I, where they are used to reduce NADP+ to NADPH.

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Answer:

the substances formed as result of chemical reaction are products

Explanation:

chemical reaction the atoms and the molecules produced by the reaction are called projects in a chemical reaction on the atoms present in the 10th and the up the production of new atoms are created them know and terms are destroyed

In an experiment in wheat seedlings that measured oxygen consumption after germination, seedlings were treated with a chemical that inhibits NADH oxidation to NAD. The probable effect of this treatment on metabolism and oxygen consumption in these seedlings is that they would produce less ATP during oxidative phosphorylation.

ATP production during cellular respiration, which occurs in mitochondria, relies on an electron transport chain. Electrons are transferred from electron donors to electron acceptors in the electron transport chain, generating an electrochemical gradient that powers ATP synthesis by oxidative phosphorylation. NADH is an electron donor in this electron transport chain. It carries electrons to the electron transport chain, where they are transferred to oxygen via a series of protein complexes and coenzymes.

When electrons move through this chain, they release energy, which is used to pump hydrogen ions across the inner mitochondrial membrane into the intermembrane space. This generates an electrochemical gradient, which is used to synthesize ATP from ADP. The oxygen consumption rate of a cell is proportional to the ATP demand of that cell. When a wheat seedling is treated with a chemical that inhibits NADH oxidation to NAD, this lowers the number of electrons transferred to the electron transport chain.

This would result in a decreased rate of ATP synthesis by oxidative phosphorylation and, as a result, a lower oxygen consumption rate by the wheat seedlings. Thus, the wheat seedlings treated with the chemical inhibitor would have a lower metabolic rate and oxygen consumption than those that were not treated with the inhibitor.

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Answer:

B) a segment of DNA that is the basic unit of heredity

Explanation:

What is a gene:

a segment of DNA that is the basic unit of heredity

Answer:

sorry cant see the image what is the question

Explanation:

Answer: existence of a particular species is completely wiped out from the planet

Explanation: Extinction means that the existence of a particular species is completely wiped out from the planet. It is an irreversible form of damage, since neither a single male and female species member is present to procreate. Endangered, on the other hand, means that a species is nearing extinction.

Answer:

the answer would be thermal pollution

Explanation:

False. Not all evidence-based practice is found on well-established scientific guidelines and it may sometimes incorporate anecdotal information.

1. Evidence-based practice (EBP): EBP involves integrating the best available evidence from research with clinical expertise and patient values and preferences to make informed decisions about healthcare interventions.

2. Well-established scientific guidelines: Well-established scientific guidelines are developed based on rigorous research, systematic reviews, and meta-analyses. They provide recommendations for clinical practice based on a comprehensive evaluation of the available scientific evidence.

3. Importance of scientific guidelines: Scientific guidelines are considered a reliable and robust source of evidence for guiding clinical decision-making. They are typically based on large-scale studies and have undergone rigorous peer review and validation processes.

4. Anecdotal information: Anecdotal information refers to individual experiences, personal observations, or case reports that are not systematically collected or subjected to scientific scrutiny. It often lacks the rigor and reliability of well-designed research studies.

5. Incorporation of anecdotal information in EBP: While EBP emphasizes the use of well-established scientific guidelines, it recognizes that not all clinical situations may have clear guidelines or evidence-based recommendations. In such cases, healthcare professionals may rely on their clinical expertise, patient preferences, and anecdotal information to inform their decision-making.

6. Contextual factors: EBP recognizes the importance of considering contextual factors such as patient characteristics, resources, and unique circumstances that may influence treatment decisions. In some instances, anecdotal information may provide valuable insights or inform the initial steps of research to generate more robust evidence.

7. Constant evaluation and updating: EBP encourages ongoing evaluation of new evidence and reassessment of clinical practices. As new research emerges and scientific knowledge advances, well-established scientific guidelines may be updated or modified based on the evolving evidence base.

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Answer:

its

Explanation:

Near ocean trenches A p e

Woodland is the type of environment can they infer it inhabited for the fossil

How can I train to be a paleontologist?

a degree from an accredited university in geology, earth sciences, paleontology, or a similar field. understanding of conducting field surveys in a variety of, occasionally difficult, meteorological and environmental situations. Ability to create and analyze stratified cut samples from the Earth utilizing large machinery.

Paleontologists are scientists who use fossilized organisms to reconstruct the past of life on Earth. Fossils are traces of previous life on Earth and might be casts or remains of animal bodies (body fossils). Another sort of fossil are traces.

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Helplessness, fear, and hostility create what Horney called basic anxiety.

Karen Horney proposed the concept of "basic anxiety" to describe a pervasive feeling of insecurity and vulnerability that individuals may experience. Horney contends that fundamental anxiety is a result of early experiences and is influenced by things like parental attitudes, cultural norms, and societal pressures.

Horney believed that when children face environments that are inconsistent, overly demanding, or neglectful, they develop a sense of helplessness, fear, and hostility. These emotions contribute to the formation of basic anxiety, which can influence an individual's behaviors and patterns of relating to others. Horney's work emphasized the role of basic anxiety in shaping personality and the development of defense mechanisms to cope with these anxieties.

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The question is inappropriate; the correct question is:

Helplessness, fear, and hostility create what Horney called __________.