The primary factors associated with the seasonal change from anestrus to reproduction is ________________ and involvement of ______________.a. Temperature / GnRHb. Photoperiod / melatoninc. Progesterone / uterusd. Pheromones / estrogene. Food quality / FSH

Answer:

Electrons

Explanation:

Electrons are negatively charged, so if an atom is negatively charged, there will be more

Answer:

False

Explanation:

The answer is False.

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Answer:

Xylem is the specialised tissue of vascular plants that transports water and nutrients from the plant–soil interface to stems and leaves, and provides mechanical support and storage. The water-conducting function of xylem is one of the major distinguishing features of vascular plants.

Answer:

First, vertebrates have vertebrae. Vertebrae are made up of cartilage and bone. The vertebrae are shaped like a column. Second, vertebrates have a cranium. Cranium is a bony case. The cranium encloses a brain. Several lineages of vertebrates have other features. Other features include exoskeleton, jaws, endoskeleton, limbs, and amniotic eggs.

We call transitional fossil to a fossil that has characteristics of an ancestral and a derived group.

For example, the Archaeopteryx is a transitional fossil that shows characteristics of dinosaurs and birds.

This doesn't mean that dinosaurs became birds, but that birds and dinosaurs are closely related.

What transitional fossils prove is that there is a relationship between groups, so is scientifically correct to use this term.

Answer:

Addition of manure and fertilizer manus and fertilizer sedition also enhances the fertility of the soil and the growth of legume crops, that is, crop rotation, also enhances the fertility of the soil.

The secretion of cell products like milk proteins and mucus from glandular cells is accomplished via exocytosis.

Exocytosis is a cellular process in which materials, such as proteins or other molecules, are transported out of the cell using vesicles. These vesicles, called secretory vesicles, fuse with the cell membrane, releasing their contents outside the cell. This process allows cells to secrete specific substances, like hormones, enzymes, and other cell products, to perform essential functions in the body.

Exocytosis is distinct from other transport mechanisms such as facilitated diffusion, endocytosis, active transport, and passive transport. Facilitated diffusion and passive transport are involved in moving substances across the cell membrane down their concentration gradient without requiring energy. On the other hand, active transport moves substances against their concentration gradient, requiring energy input. Endocytosis is the opposite of exocytosis; it involves the internalization of substances into the cell by forming vesicles from the cell membrane.

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Based on this given description, it may be determined that the animal must be an Annelid.

Invertebrate animals with bilateral symmetry are known as annelids. Coelomate and triploblastic describe them. The main characteristic that sets annelids apart is their segmented bodies. Polychaeta, Oligochaeta, and Hirudinea are the three main classes of annelids. Older classification schemes would classify the polychaetes and oligochaetes as belonging to the Chaetopoda since both categories have setae.

Any member of the phylum Annelida, often known as "segmented worms," are invertebrate organisms that are distinguished by the presence of moveable bristles (or setae), a body cavity (or coelom), and a body split into segments by transverse rings, or annulations, from which they derive their name. Annelids are used by humans as food and bait in addition to increasing soil fertility. Annelids are studied by scientists to assess the quality of fresh and marine waters.

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Answer:

A

Explanation:

The burmese python preys on mammals and sometimes that reduces prey population, making more species possibly extinct.

Paramecia that live in freshwater have contractile vacuoles, while those that live in saltwater do not, because osmosis operates differently in the two solutions.The water potential of the surrounding environment affects the cells of paramecia, which in turn determines whether they have contractile vacuoles or not.

Paramecia are eukaryotic unicellular organisms that are often found in freshwater. They possess contractile vacuoles that aid in the regulation of water content within the cell. These organelles, which are absent in the paramecia that live in saltwater, remove excess water from the cytoplasm by collecting it in a central vacuole. When the vacuole is full, it contracts and expels the water out of the cell through an opening known as the cytoproct. Freshwater is hypotonic to paramecia, which means that the concentration of solutes inside the cell is higher than the concentration of solutes outside the cell. This causes water to move into the cell, which could lead to it bursting if not for the contractile vacuoles. In contrast, saltwater is hypertonic, which means that the concentration of solutes outside the cell is higher than the concentration of solutes inside the cell.

As a result, water moves out of the cell, and the contractile vacuoles are not necessary. The paramecia in saltwater do not need to worry about osmotic lysis, making the contractile vacuole unnecessary.

In conclusion, paramecia that live in freshwater (hypotonic solution) have contractile vacuoles, while those that live in saltwater (hypertonic solutions) do not, because osmosis operates differently in the two solutions.

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The factory and the cell both need energy to work. In the factory this energy comes from the Power Plant, and in the cell it comes from the Mitochondria.

They also need management, a place where the orders comes from. The Managers office of a cell is the Nucleus, because inside it we can find the DNA with all of the information the cell needs to function.

The Custodial staff, necessary to keep a factory clean, can be related to the Lysosomes, are they are responsible for destroy invading pathogens with its digestive enzymes.

The Endoplasmic Reticulum is responsible for moving material around the cell, just like the Conveyor belts.

The Shipping room can be related to the Golgi apparatus, as it is responsible for protein transportation and export.

The Storage room is easily related to the Vacuole, as Vacuoles are responsible for storage (as well as water regulation).

The Ribosomes are responsible for protein synthesis, which means protein production. Therefore, it is related to the Mixing and Baking.

The Factory gate and doors are related to the Cell membrane, as both are responsible for defining what comes in and out of the cell/factory.

The Walls and studs are related to the Cell wall, as both are responsible for structural support and protection of the cell/building.

Answer: paralibrium

Explanation:

Answer:

D proteins is the correct answer

The correct order of blood flow in the renal blood vessels, starting with the vessel that is a branch off the aorta, is as follows:

1. Renal artery: The renal artery is the vessel that branches off the aorta and carries oxygenated blood to the kidneys.
2. Segmental arteries: The renal artery divides into several segmental arteries within the kidney.
3. Interlobar arteries: The segmental arteries further divide into interlobar arteries, which travel between the renal pyramids.
4. Arcuate arteries: The interlobar arteries give rise to arcuate arteries at the boundary between the cortex and medulla of the kidney.
5. Interlobular arteries: The arcuate arteries give off interlobular arteries that supply the renal cortex.
6. Afferent arterioles: The interlobular arteries divide into a network of smaller vessels called afferent arterioles, which carry blood to the nephrons.
7. Glomerulus: Each afferent arteriole leads to a tuft of capillaries called the glomerulus, where filtration of blood occurs.
8. Efferent arteriole: Blood leaves the glomerulus through the efferent arteriole.
9. Peritubular capillaries and vasa recta: The efferent arteriole branches into a network of peritubular capillaries and vasa recta, which surround the renal tubules and are involved in the exchange of substances with the nephrons.
10. Renal veins: Finally, blood is collected by the peritubular capillaries and vasa recta and drained into the renal veins, which ultimately return deoxygenated blood back to the heart.

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Answer:

25% of F2(gg)

Explanation:

since white seeds are recessive(gg), it would mean that they would only appear in 25% of the pea plants in the F2 generation.

to remind you, Gg and GG are both dominant and Gg is a carrier of the recessive gene.

Answer: F2 generation box: "gg"

Explanation:

Option D is correct. Synapse is the structure which does communication between two neurons or between a neuron and a target tissue occur

A synapse is an unique junction where electrical and chemical signals are exchanged between two neurons or between a neuron and a target tissue. The electrical signal of the sending neuron is changed into a chemical signal at the synapse, where it is transmitted across the space between neurons. The electrical signal is transferred to the following neuron when the chemical signal connects to receptors on the receiving neuron.

The cell body is the substantial middle portion of a neuron and houses the nucleus as well as the majority of the organelles.

Nucleus: The nucleus houses the genetic material and serves as the control centre of the neuron.

Dendrites - A neuron's branching processes that receive messages from neighbouring neurons are known as dendrites.

The fundamental components of the nervous system are neurons. They are specialised cells that communicate with various nerve, muscle, and gland cells. A cell body, dendrites, and an axon make up a neuron. The nucleus and other organelles are found in the cell body. Short extensions of the cell body, called dendrites, receive signals from other neurons. A lengthy projection that sends signals to other neurons or muscles is called an axon. Neurotransmitters are substances that are released by neurons to communicate with one another.

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If growth appears on both control plates, it could be possible that the control plates were contaminated by microbes from the environment or human error.  For microorganisms that grew best at 37⁰C, the likely source of these microbes could be from the human body

For microorganisms that grew best at 37⁰C, the likely source of these microbes could be from the human body since the human body temperature is approximately 37⁰C. This would make it an ideal temperature for these microbes to grow and thrive.

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Answer:

C A feature that can be measured and is given a range of values.

Once the fragments are formed, DNA ligase joins them together to form a single, continuous strand.

After replication, the Okazaki fragments must be joined together to form a single continuous strand. This is achieved by the enzyme DNA ligase, which closes the Okazaki fragments' sugar phosphate backbone. This enables the replication of two identical daughter strands of DNA.

As the helix unwinds, DNA synthesis on the lagging strand restarts multiple times, resulting in many small pieces known as "Okazaki fragments." The Okazaki fragments are joined together into a single DNA molecule by DNA ligase.

The activity of DNA ligase joins these little chunks of newly produced DNA (dubbed Okazaki fragments after their discoverer) to generate an entire new DNA strand.

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Answer:

A. Medicine — Plasmids are used as an anti-stress medicine to cope with stress-related conditions. It is also used replicate proteins. It is also used in gene therapy.

B. Agriculture — It is used for metal resistances. It is also used for antibiotic resistances. It provide bacteria with genetic advantages.

Answer:

-2°C

Explanation:

Answer: B is correct

Explanation:

Answer:

D is not a characteristic of populations

Explanation:

Populations are one species in a defined area, not all.

The one that is not a characteristic of the population is they consist of all the species in a defined area. The correct option is D.

The human population has grown enormously. It has primarily accomplished this by producing a surplus of food and learning how to deal with illness. The fastest growth occurred between 1955 and 1975.

This is a term that refers to the human population that lives in a specific geographical area. The map depicts the concentration of the human population on the planet from all of the continents depicted.

A population pyramid is a diagram that depicts the total number of organisms that are successfully living and interacting with one another in a specific location at a given time. As a result, the population pyramid predicts that the population is increasing.

Therefore, the correct option is D. They consist of all the species in a defined area.

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Answer:

its C. 460,000 km3

Explanation:

I'm just build different

The amount of  the evaporation from oceans is 460,000 km3  

Using this formula

Evaporation from oceans=Precipitation on oceans+Precipitation on land-Evaporation from land

Let plug in the formula

Evaporation from oceans=420,000 km3 + 130,000 km3 - 90,000 km3

Evaporation from oceans=460,000 km3  

Inconclusion  The amount of  the evaporation from oceans is 460,000 km3.

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Yes, it is possible to find Permian rocks beneath Devonian rocks as rock formations can be layered and stacked on top of each other over time through geological processes such as uplifting, subsidence, and erosion.

Deposition is the act of depositing sediment that has been carried by the wind, water, sea, or ice. Pebbles, sand, mud, and salts that have been dissolved in water can all be used to convey sediment.

Sea - level changes caused the deposition of Permian shales, sandstones, siltstones, limestones, sands, marls, and dolostones. The rock strata show these fluctuation cycles.

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The labeled part of the tooth that is made up of a nonliving compound of phosphate and calcium is D, the enamel. Enamel is the hard, outer layer of the tooth and is composed mostly of calcium phosphate minerals.

It is the hardest substance in the human body and plays a crucial role in protecting the tooth from decay and damage.   The part of the tooth that is made up of a nonliving compound of phosphate and calcium is dentin, which is labeled as C. Dentin is a hard, dense, and calcified tissue that forms the bulk of the tooth structure beneath the enamel (labeled as A) and the cementum (labeled as E) containing nerves and blood vessels. It provides support and protection to the sensitive pulp and gives the tooth its strength. Thus, option C represents the part of the tooth that is primarily composed of the nonliving compound of phosphate and calcium.

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Answer:

True

Explanation:

Answer:

There are a few easy things you can do at home to help relieve the strain on your local water supply while also saving money. While brushing your teeth, turn off the faucet. When you have a full load, just use the washing machine and dishwasher. Use a low-flow shower head and aerators on the faucets. Repair any leaks.

Explanation:

Answer:

use water carefuly.

use when needed.

Explanation:

The force required to stop the car is 13200 N.

We have car of mass 1200kg.

We have to determine how much force is required to stop this car in 2 seconds.

Force is defined as the product of mass and acceleration. Mathematically-

F = ma

According to the question -

Using first equation of motion -

v = u + at

0 = 22 + a x 2

-22 = 2a

a = -11 m/s².

The force required to stop the car = M x a = 1200 x |a| = 1200 x 11 =

13200 N

Hence, the force required to stop the car is 13200 N.

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Answer:

myelinating Schwann cells

Explanation:

In the peripheral nervous system, saltatory conduction is made possible by a series of morphologically and molecularly distinct subdomains in both axons and their associated myelinating Schwann cells.