Why must plants have a constant source of carbon dioxide?
A: It is utilized in the process of photosynthesis to make glucose
B: It is the final acceptor at the end of the Calvin cycle.
C: It acts as a coenzyme in the process of photosynthesis.
D: It is utilized in the synthesis of chlorophyll.

Answer:

the first stage of succession involves pioneer species

Explanation:

in primary succession, primary plants are those that can grow without soil, such as lichens.

Testing multiple hypotheses to identify causes of the decline of a lagomorph species, the New England cottontail, provides a comprehensive approach to understanding the factors contributing to its population decrease.

The decline of the New England cottontail, a lagomorph species, has raised concerns about its conservation status. To address this issue, researchers have employed a multi-hypothesis testing approach to identify the causes behind the decline. By examining various potential factors, such as habitat loss, predation, competition, and disease, scientists can gain a more holistic understanding of the complex ecological dynamics influencing the species' population.

By testing multiple hypotheses, researchers can assess the relative importance of each factor and determine which ones are driving the decline. This approach allows for a more comprehensive evaluation of the various ecological and environmental variables at play, helping inform conservation efforts and management strategies for the New England cottontail.

Understanding the underlying causes of the decline of the New England cottontail is crucial for implementing effective conservation measures. By testing multiple hypotheses, scientists can identify the most significant factors contributing to the population decrease and develop evidence-based conservation strategies. This research approach not only benefits the New England cottontail but also contributes to our broader understanding of species decline and ecosystem dynamics.

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Answer:

Holds the genetic makeup of the virus. it contains the instruction of what the virus should do and how it should do it and so on.

Answer:

The ability to discern bitter tastes evolved as a mechanism to prevent early humans from eating poisonous plants. Humans have about 30 genes that code for bitter taste receptors. Each receptor can interact with several compounds, allowing people to taste a wide variety of bitter substances.

Explanation:

Answer:

true

Explanation:

because there is existence of fittest

Two crosses-systems are used by plants, Self-pollination and Cross-pollination. 31- Self-pollination. 32- Cross-pollination. 33- Self-pollination. 34- Cross-pollination. 35- Cross-pollination. Flower image in the attached files.

Seeds ensure the existence of genetic variation between plants.

There are two general crossing systems in plants, which depend on pollination type.

Sexual reproduction gives more possibilities to different alleles of a gene that did not appear in one generation to express in the next generation.

Both types of pollination allow genetic variation, however by the occurrence of crossed pollination there are more chances to ensure the variability of the species and survival to environmental changes. While by self-pollination there are more chances to express the same genotype of the parental plant.

31- Self-pollination

32- Cross-pollination

33- Self-pollination

34- Cross-pollination

35- Cross-pollination          

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Answer:

Polyunsaturated fatty acids: fats that humans must eat because the body can’t make them.

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Explanation:

The combination of gametes that will be produced by the Alpha female is Bg, Bg, bg and bg.

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Answer:

1. Protein Channel pumps ions and other substance through the cell membrane

2. Hydrophilic - Packed love water

3. Hyphobic - Hate water

4. Phospolipid bilayer - the cell membrane

Explanation:

One type of molecule (or a few molecules that are closely related) is all that a channel will accept for transit.

A channel protein is an illustration of a transport protein; it serves as a pore in the membrane to permit water molecules or small ions to move through quickly.

Water may quickly diffuse through the membrane thanks to aquaporins, which are proteins that function as water channels. Ion channel proteins enable unrestricted ion transport across the membrane.

Channel proteins span the membrane, forming hydrophilic tunnels that let their target molecules diffusely pass through.

For instance, channel proteins enable the passage of bigger molecules like glucose as well as ions like sodium, potassium, and calcium through the membrane.

Therefore, Large or charged molecules can pass across the membrane to channel proteins.

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None of the lipid classes contains a phosphate-containing hydrophilic head group and a total of three fatty acid tails.

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Answer:

Ecosystem, community, population, Organism

Explanation:

Organism is a single species

Population is a group of the same species

Community is a group of different populations

Ecosystem is where communities live

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Answer:

If the parent reproduces sexually, it's offspring will inherit exactly half of it's DNA. The other half is inherited from the other parent. If the parent reproduces asexually, it's offspring will be a clone (i.e. have the same DNA).

Explanation:

Answer:

What do you already know about the difference between dominant and recessive traits? Or sex-linked and autosomal traits? Dominant traits are the traits that are normally shown in an organism. Recessive traits are the traits that are not normally shown in an organism overpowered by the dominate trait.

Answer:

Sulfur dioxide and nitrogen oxides react with water and oxygen to form acid rain.

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Answer:

Sulphur Dioxide and Nitrogen oxide

Explanation:

These gases are exerted into the sky as pollutants through human activities. Then, when the clouds form due to condensation, and become to heavy to hold, they start to release water in the form of rain. However, one slight change would be that they bring down the Sulphur dioxide and nitrogen dioxide with them.

This acid rain is mostly seen after a long summer, and when the first few rains are seen. This rain highly affects the happenings at the Earth. For example, they make the soil in fertile and leave farmers and gardeners under lots of work for when they re - plant later that year.

The given statement "Flexion of the ankle so that the superior aspect of the foot approaches the shin is called dorsiflexion" is false because flexion of the ankle so that the superior aspect of the foot approaches the shin is called plantarflexion.

Dorsiflexion refers to the movement of the ankle joint where the superior aspect of the foot moves upward, bringing the top of the foot closer to the shin. This movement is achieved by the contraction of the muscles located on the front of the lower leg, primarily the tibialis anterior muscle. Dorsiflexion is commonly used when walking downhill or lifting the toes off the ground.

Plantarflexion, on the other hand, is the movement of the ankle joint where the superior aspect of the foot points downward, away from the shin. This movement is involved in actions like standing on tiptoes, pushing off the ground while walking or running, or pointing the toes downward.

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\(\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}\)

55.00750 ÷ 25

55.00750 ÷ 25= 2.2003

Answer:

B. Dipeptides

Explanation: 2 amino acids make a dipeptide

Answer:

The cells specialized in passive diffusion have a greater amount of membrane structures called transport proteins.

Explanation:

Facilitated diffusion is a transmembrane transport mechanism, which consists of the passage of substances through the cell membrane by means of a transporter.This process does not require energy, as it is a passive transport, and depends on an ionic gradient or concentration.

The carriers of facilitated diffusion can be integral membrane proteins, so a cell specialized in this type of transport must have abundant transport proteins.

During metaphase, spindle fibers attach to the centromere of each pair of sister chromatids. The sister chromatids line up at the equator, or center, of the cell. This is also known as the metaphase plate. The spindle fibers ensure that sister chromatids will separate and go to different daughter cells when the cell divides.

Answer:

(3)

Explanation:

I found it on a website.

The Coriolis effect is named after Gaspard Gustave de Coriolis (1792–1843), who provided the first mathematical explanation for this apparent deflection of motion off a straight line in a rotating coordinate system.

The Coriolis effect depicts the pattern of deflection experienced by objects traveling great distances around Earth without being firmly linked to the ground.

Several significant large-scale weather patterns are caused by the Coriolis effect. Earth's rotation is crucial to understanding the Coriolis effect. Particularly, Earth rotates more quickly at the Equator than at the poles.

Because Earth is wider towards the Equator, equatorial regions rotate at a speed of around 1,600 kilometers (1,000 miles) per hour in a 24-hour period. Earth rotates slowly toward the poles, at 0.00008 kilometers per hour.

Therefore, The Coriolis effect is named after Gaspard Gustave de Coriolis (1792–1843), who provided the first mathematical explanation for this apparent deflection of motion off a straight line in a rotating coordinate system.

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The least number of tRNAs needed to recognize all codons for isoleucine is 1, and the anticodon is 5'-GAU-3'.

Isoleucine is an amino acid that is encoded by three different codons: AUU, AUC, and AUA. To recognize all these codons with the least number of transfer RNAs (tRNAs), only one tRNA with the anticodon 5'-GAU-3' is required.

This is due to the wobble hypothesis, which states that the third nucleotide in the codon-anticodon pairing is not as strict and can have non-standard base pairing.

In this case, the third position of the anticodon (U) can pair with both A and G in the codon, allowing one tRNA to recognize all three isoleucine codons.

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Answer:

Ecosystem

Explanation:

Ecosystem refers to the interaction between the community of organisms within their external environment. Ecosystems can be of different sizes and can be marine, aquatic, or terrestrial.

Answer: It is called a Ecosystem

Explanation: Definiton: a biological community of interacting organisms and their physical environment.

Answer:

Valine

Explanation:

This question is describing the process of translation, which is the second stage of protein synthesis. Translation is the process whereby mRNA sequence is used as a template to produce an amino acid sequence or protein.

The mRNA sequence is read in a group of three nucleotides called CODON. Each codon specifies an amino acid. According to this question, using the genetic code provided for us in a tabular form in this question, a mRNA codon as follows: GUA will code for VALINE amino acid.

When restraining a horse for a routine veterinary procedure, it's appropriate for the veterinary assistant to Hold the horse's lead rope.

Holding the horse's lead rope is necessary, when restraining a horse for a routine veterinary procedure by the veterinary assistant.

Always hold the lead rope in the right hand by coiling the excess rope on the hand in the other hand.

Lead the left shoulder of the horse with the assistant's right hand with the excess of rope in the left hand of the assistant to avoid serious injury when the horse decides to bolt.

It becomes important to stable the horse by calming the horse before the routine veterinary procedure.

A leather band should be used in the rope by being tightened behind the legs of the front and by further fastening.

Remember not to harm the back of the horse by excessive fastening.

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Homologous structures are anatomical structures that are comparable to one another and have been passed down from a common ancestor, whereas vestigial structures are anatomical structures that have shrunk in size because they are no longer needed.

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