What are the two forces of gravity that contribute to tectonic plate movement at mid-ocean ridges?Ridge subduction and slab flight
Ridge slip and slab slide
Ridge push and slab pull
Gravity does not pull them

Answer:

hey mate here is your answer

Photosynthesis harvests and stores energy, whereas biological nitrogen fixation requires energy.

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Answer:

d. selective breeding

Explanation:

Answer:

Auxin is a key regulator of plant growth and development, orchestrating cell division, elongation and differentiation, embryonic development, root and stem tropisms, apical dominance, and transition to flowering

Explanation:

Hope this helps you

Answer:

Auxins are the plants growth substance produced by the shoot for root tips of growing plants

Explanation:

auxins in the shoot: simultaneous cell growth by absorption of water.

auxins in root: slow down the cell growth.

Answer:

plants

Explanation:

plants are green

Answer:

Some kind of organisms that chloroplasts are found in are green plants and algae, also photosynthetic tissues that are not green, such as red leaves, etc.

Explanation:

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Answer:

Viruses can also form immunities and still be viable unlike a cell

Explanation:

Answer:

1. b

2. a

3. a

4. b

5. b

6. a

7. a or b (they're the same)

(Punnett square and chart attached)

Explanation:

1. The father is a non-roller, as was given in the question. Remember that a phenotype is the physical trait displayed by an organism.

2. In order for the father to be a non-roller, the recessive non-roller allele would have to be expressed. In order for this to happen, he would need two recessive alleles.

3. The gene for tongue rolling is dominant, so if the mother is heterozygous (she has one dominant allele and one recessive allele), then she will be a tongue roller.

4. The mother has a dominant allele and a recessive allele.

5. 50% of the offspring have the Rr genotype and 50% have the rr genotype. This means that there is a 50% of having a tongue-rolling child and a 50% chance of having a non-rolling child.

6. Because the possibility of the offspring having either genotype is 50/50, the ratio would be written as 1:1. Both outcomes are equally likely.

7. Because the possibility of the offspring having either phenotype is 50/50, the ratio would be written as 1:1. Both outcomes are equally likely.

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Answer:

The correct answer is B. Combustion is a chemical change. When a substance is burned, it forms new substances. Therefore, combustibility is a chemical property because it can only be observed when a substance undergoes a chemical change.

Explanation:

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Answer:

The answer would be "A substance combusts (burns)".

Explanation

All of the other options are basic physical changes that don't alter the substance on a molecular level, whereas burning a substance permanently changes the molecular makeup.

Some form of early Homo is estimated to have evolved into Homo erectus around 1.7-2 million years ago, option B is correct.

Homo erectus is believed to have evolved around 1.7-2 million years ago based on fossil evidence and dating methods. Fossil discoveries, such as the famous Nariokotome Boy skeleton found in Kenya, provide crucial insights into the anatomy and characteristics of Homo erectus. These fossils, along with other archaeological and genetic evidence, suggest that Homo erectus was the first hominin species to exhibit significant anatomical and behavioral differences from earlier hominins.

The emergence of Homo erectus marked a significant milestone in human evolution, as this species had a larger brain size, more advanced tool-making abilities, and potentially even the ability to control fire. These developments laid the foundation for the subsequent evolution of Homo sapiens, option B is correct.

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The complete question is:

Some form of early Homo is estimated to have evolved into Homo erectus around:

A) 5-7.5 million years ago

B) 1.7-2 million years ago

C) 10,000-40,000 years ago

D) 50,000-70,000 years ago

Answer:

See the answer below

Explanation:

First, let us look at the complete equation of respiration:

\(C_6H_1_2O_6 + 6O_2 -->6CO_2 + 6H_2O\)

The respective number of each atom in the reactants and the products can be filled in the table thus:

Types of atom   Number of atom in reactants   Number of atom in products

Carbon                                6                                                    6

Hydrogen                            12                                                   12

Oxygen                               18                                                    18

The total number of each atom in the reactants is equal to the total number in the products. Hence, the calculation confirms the law of conservation of matter that says that matters can neither be created nor destroyed, but can be converted from one form to another in a course of a reaction.

Answer:

If a cell has not properly copied its chromosomes or there is damage to the DNA, the CDK will not activate the S phase cyclin and the cell will not progress to the G2 phase. The cell will remain in S phase until the chromosomes are properly copied, or the cell will undergo programmed cell death.

Explanation:

The consequences of an incomplete/absent "S" stage in a cell cycle are ;

The absence or incomplete "s" stage of the cell cycle occurs when the a cell does not completely copy its chromosomes or when there is a significant damage to the genetic material ( DNA ) of the cell. when any of these abnormalities occurs the "s" phase stage of the cell cycle will not be activated until the cell chromosomes are correctly copied. Therefore the cell will not move to the G2 phase of the cell cycle

Hence we can conclude that The consequences of an incomplete/absent "S" stage in a cell cycle are ; A programmed cell death  and The cell will not move to the G2 phase of the cell cycle

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This transmission electron micrograph clearly shows the cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.

Once you can see the cells, carefully turn the coarse focus slider. Once the cells are in focus and are clearly visible, carefully turn the fine focus knob. To see the cells in greater detail, repeat steps 1 through 5 with the higher power magnification.

So, to study cells, scientists utilize microscopes. Compared to light, electron microscopes offer greater magnification, more resolution, and more detail.

Under a light microscope, the nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall can all be seen as organelles. Although mitochondria can still be seen under a light microscope, extensive investigation is not possible.

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Answer:

C. Store the sugars

Explanation:

It can be converted into starch, a storage molecule, that can be converted back to glucose when the plant requires it. It can be broken down during the process of respiration, releasing energy stored in the glucose molecules.

Answer:

The sex cells could not easily combine to form the body cells of an offspring because of the different chromosome number.

Explanation:

The fact that dog and cats cannot be interbreed because there is difference in the no. of chromosome.

What is interbreeding?

The act of mixing different species or varieties of animals or plants and thus to produce hybrids is called interbreeding.

Dogs have 78 no of chromosome which is similar to the lions and tigers but there is difference in the no of chromosomes which cannot produce viable offspring.

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Without the actual image, it is not possible to accurately determine the type of bacteria shown. However, I can provide some general characteristics of the bacteria you mentioned to help identify them.

Bacillus refers to rod-shaped bacteria, which appear elongated and cylindrical. These bacteria typically occur singly or in chains. Coccus refers to spherical or round-shaped bacteria. They can occur singly, in pairs (diplococcus), in clusters (staphylococcus), or in chains (streptococcus). Spirillum refers to spiral-shaped bacteria, which appear as curved or helical rods. They have a rigid cell wall and may exhibit a characteristic spiral shape. Cholera is not a specific bacterial shape but refers to a disease caused by the bacterium Vibrio cholerae. Vibrio bacteria are curved rods with a single polar flagellum, giving them a comma-like shape. Without further information or the image itself, it is challenging to definitively determine the type of bacteria shown. Microscopic characteristics such as shape, arrangement, and additional features are crucial in identifying bacterial types accurately.

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Answer:

The carrying capacity of an environment is the maximum population size of a biological species that can be sustained in that specific environment, given the food, habitat, water, and other resources available. In population ecology, carrying capacity is defined as the environment's maximal load, which is different from the concept of population equilibrium, which may be far below an environment's carrying capacity.[1] The effect of carrying capacity on population dynamics may be modelled with a logistic function.

The frequency of a particular allele in a population is known as the allele frequency (or gene frequency). The term "evolution" in population genetics refers to a shift in an allele's frequency within a population.

Wild-type alleles are those that are most abundant in a population. true. Expression of functional proteins is typically increased by recessive alleles. false. A individual who is heterozygous for a recessive illness allele typically has 50% of the typical protein levels.

The frequency of an allele in a population is calculated by dividing its frequency by the total number of alleles in that population.

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Answer:

nucleus

Explanation:

Factors such as skin pigmentation, sunscreen use, and geographic location (latitude, altitude, cloud cover) can also affect vitamin D synthesis.

The factors that increase vitamin D synthesis are:

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False. The synthesis of ATP as a result of electron transport system activity is not referred to as substrate-level phosphorylation.

Substrate-level phosphorylation is a kind of cellular respiration in which ATP is produced directly by transferring a phosphate group from a high-energy substrate molecule to ADP. The electron transport system is a component of oxidative phosphorylation, a kind of cellular respiration that utilises energy provided by the electron transport chain to make ATP via the activity of the ATP synthase complex.

The ATP synthase is a mitochondrial enzyme that catalyses the synthesis of ATP from ADP and phosphate, which is driven by a flux of protons across a gradient formed by electron transfer from the proton's chemically positive to negative side.

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Answer:

B is your answer!!!

No specific explanation...

HOPE THIS HELPS!

In conclusion, an ideal drug should have ease of administration, predictability, reversible or irreversible action depending on the condition, a recognizable trade name, and chemical stability to ensure optimal patient care.

The properties of an ideal drug are crucial for its effectiveness and safety. Here are some important characteristics:
1. Ease of administration: An ideal drug should be easy to administer, whether orally, topically, or through injection. This ensures patient compliance and convenience.
2. Predictability: The drug's effects should be predictable and consistent. This allows healthcare professionals to anticipate its actions and tailor treatment accordingly.
3. Irreversible action: A drug with irreversible action would have long-lasting effects, reducing the need for frequent dosing.

However, this property may not be desirable for all drugs, as some conditions may require reversible actions.
4. A recognizable trade name: A recognizable trade name makes it easier for healthcare professionals and patients to identify and recall the drug. This helps prevent confusion and ensures accurate prescription and administration.
5. Chemical stability: An ideal drug should have chemical stability, meaning it remains unchanged and effective during storage and use. This ensures its potency and shelf life.
In conclusion, an ideal drug should have ease of administration, predictability, reversible or irreversible action depending on the condition, a recognizable trade name, and chemical stability to ensure optimal patient care.

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Mytilus would have a decreasing population trend over time.

In an experiment, the control group either receives no treatment, a standard treatment whose effect is known, or a placebo.

The experimental group also known as the treatment group, receives the treatment whose effect the researcher is interested in.

In the experiment on the effect of the presence of Pisaster on the population of Mytilus, the data obtained is given in the picture.

Based on the data obtained, it can be hypothesized that the population numbers for Mytilus would have a decreasing population trend over time.

In conclusion, the population of species change with changes in factors affecting population such as predators.

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Answer:

The material that is moved through the body in the lymphatic system is lymph.

Answer:

It is easier to send the raw materials to the factories to become finished goods.

Explanation:

I don't know if this was multiple choice, but you would put the farmland upstream from the factories so that the crops and other raw materials could easily go down to the factories to be finished. I hope this helped :)

At factor B, the parameters are 30°C temperature and 0.11% CO2 attention, and the rate of photosynthesis is roughly 0.2 gadgets.

To determine what is limiting the fee of photosynthesis at factors A, B, and C on the graph, we want to investigate the evidence furnished by the graph. Let's have a look at each factor:

A: At point A, the fee of photosynthesis is two.4 units, and the situations are 30°C temperature and zero.2% carbon dioxide (CO₂) concentration.

Looking at the graph, we can see that the charge of photosynthesis at point A is not restricted by using light depth.

The line for factor A is particularly flat, indicating that as light depth increases, the price of photosynthesis stays constant. Therefore, mild depth isn't the limiting factor at factor A.

Thus, at factor B, the price of photosynthesis is approximately 0.2 gadgets, and the conditions are 30°C temperature and zero.1% CO₂ attention.

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Your question seems incomplete, the probable complete question is:

Look at the graph. It shows how light intensity affects the rate of photosynthesis. The lines show different carbon dioxide concentrations and temperatures. Rate of photosynthesis 2.4 30°C, 0.2%CO,. 30°C, 0.1%CO₂ 20 °C, 0.1%CO₂ -B- Light Intensity Explain what is limiting the rate of photosynthesis at the three points A, B and C on the graph. Use evidence from the graph in your answer. (3)​

A fertilized egg or zygote occurs just after the gamete union happened, at that moment the ploidy of the organism is restored, genetically all the genes are on, this means all are active and at that moment it will start cellular multiplication, now each cellular layer will start to differentiate by turning off certain genes, and genes like Hoax genes will start to guide the body plains, meanwhile in an adult animal no just tigers we have that the full-body plane has been already developed and each cellular line has been differentiated, DNA in every cell is methylated as differentiation already occurred, so even when genetically speaking of DNA the sequence is the same in the zygote as the adult tigger the DNA methylation pattern is totally different, without considering the total biomass increase directed by gene expressions.

Answer:

In order to form more DNA molecules.

Explanation:

These viruses carry the polymerase protein in the  virus particle because this protein synthesizes DNA molecules from deoxyribonucleotides. This formation of DNA molecule enables the virus cell to increase in their population. Each and every new cell of virus requires DNA molecules so we can say that this polymerase protein is very important and necessary for virus.