The shells of single-celled plankton that sank to the bottom of the ocean has two varieties of which type of atoms?.

Answer:

Explanation:

The sequence of air passage during inhalation is as follows: 

⇒ Nostrils→pharynx→larynx→trachea→alveoli.

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At a synapse, some neurotransmitters make the postsynaptic neurons more negative. these neurotransmitters produce inhibitory postsynaptic potentials.

Both inhibitory and excitatory postsynaptic potentials can be produced simultaneously by postsynaptic neurons. Some inhibitory neurotransmitters work by activating chloride channels, which makes the postsynaptic membrane more negatively charged. The resultant ion fluxes typically alter the postsynaptic cell's membrane potential, mediating information transfer across the synapse.

PSPs are referred to either excitatory (or EPSPs) or inhibitory (or IPSPs) depending on whether they increase or decrease the likelihood of a postsynaptic action potential happening. For instance, a presynaptic neuron can activate postsynaptic Na+ channels by releasing acetylcholine at the neuromuscular junction, which is the connection between a nerve and a muscle.

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Explanation: Use these images to find the borderlines and to understand what they are.

BRAINLIST PLS!

Answer:

B they are very tiny

Explanation:

Thats why you have to use a microscope! (love you av btw) Nezukooo!

Answer:

it might be B or C

Explanation:

if you need two answers B and C

if you need one answer B

there you go fwend

Answer:

80

Explanation:

Answer:

Oxygen is carried more quickly to the cells.

Explanation:

Red blood cells carry oxygen to cells throughout the body.  During exercise the cells' oxygen needs increase.  This stimulates the heart to beat faster to increase the speed of blood movement, thereby carrying oxygen more quickly to the cells.

Answer:

ob

Explanation:

It is unlikely for a person consuming adequate amounts of milk and egg sources of protein to be deficient in niacin. Milk and eggs are considered good sources of niacin, also known as vitamin B3. They contain appreciable amounts of niacin in the form of nicotinamide and nicotinic acid.

Niacin is an essential nutrient involved in various metabolic processes in the body. It plays a crucial role in energy production, DNA repair, and the functioning of the nervous system. While other dietary factors and individual variations can affect niacin requirements, a balanced diet that includes sources of niacin, such as milk and eggs, can typically provide adequate levels of this nutrient.

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Answer:

B)TAT becomes TAC

Explanation:

since thymine(T) pairs with adenine(A), thymine(T) is replaced with uracil(U) in the RNA and guanine(G) pairs with cytosine(C)

we can find the complementary codons for each strand

the codon for TAT is AUA which codes for methionine

the codon for TAC is AUG which also codes for methionine

that means the phenotype (methionine)remains unchanged for different genotypes(TAT and TAC)

Answer:

A silent mutation does not produce a phenotype change. Explanation: In point mutations, a base pair of the DNA sequence is altered.

Explanation:

Answer:

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter. Sometimes an earthquake has foreshocks. These are smaller earthquakes that happen in the same place as the larger earthquake that follows.

Explanation:

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Industrial emissions of sulfur dioxide, sulfates, and nitrogen oxides affect forests and croplands far away. Because these gases, when combined with water vapor, also cause acid rain.

Sulfur dioxide, sulfates, and nitrogen oxides, which are produced by industries, pollute the environment and cause eye and skin irritation when they combine with water vapor. When these gases combine with the cloud, they form acid rain, which can destroy crop land and forests due to its acidic nature. These gases have many other effects too.

Hence, Industrial emissions of sulfur dioxide, sulfates, and nitrogen oxides affect forests and croplands far away by causing acid rain,

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Answer:Diabetes is the most common cause of kidney disease

Hope this helps..

Answer: Diabetes and Yellow fever

Diabetic kidneys cannot process as much sugar as a healthy kidney. Some diabetes is temporary, when a mother is pregnant, it can cause them to have diabetes. (NOTE: A pregnant woman should always have a diabetes test while they are carrying) Pregnancy diabetes will go away shortly after the child is born.

Yellow fever is much more harmful than diabetes, and can sometimes, without proper health care, be fatal. A kidney infected with yellow fever will not filter out all the bacteria and waste properly, making the outside of people and animals have a yellow tint, which is most visible in the eye. Yellow fever is passed on from mosquitos.

In a Punnett square for a two-factor cross, it is not possible for all of the offspring to be identical.

The Punnet square simply refers to a square diagram that's used for the prediction of the genotypes of a breed. The diagram is usually used by biologists in order to determine the probability of the genotype of an offspring.

For example, if there's a dominant and recessive genes represented as B and b. When they're crossed, the offsprings that are gotten will be BB, Bb, Bb, bb.

From the above, it shows that in a Punnett square for a two-factor cross, it is not possible for all of the offspring to be identical.

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Answer:

Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.

Explanation:

YAY      Here U go try this!!!

Answer: Diffusion is the movement of particles from one area of greater concentration, to another area of lower concentration, driven by thermal energy.

Explanation:

Answer:

c. pregnant bears need to maintain a higher metabolism that nonpregnant bears

Explanation:

I just did it

Answer:

The answer is option 1.

Explanation:

Adding catalyst will increase(speed up) the rate of reaction.

Rate of reaction increase :

temperature increases

pressure increases

adding enzyme(catalyst)

The evidence that show that all Eukaryotes share common ancestry is Linear chromosomes and genes that contain noncoding introns

Eukaryotes refer to organisms in which their cells have a nucleus that is surrounded by nuclear membrane. Eukaryotes have membrane bound organelles and Eukaryotes belong to the domain Eukaryota or Eukarya. The domain Eukaryota is one of the three domains of life which are bacteria , archaea domains.

Therefore, The evidence that show that all Eukaryotes share common ancestry is Linear chromosomes and genes that contain noncoding introns.

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The process of removing the capsid portion of a viral nucleocapsid when it enters an animal cell is called uncoating.

When a viral nucleocapsid enters an animal cell, the capsid portion is removed in a process called uncoating. This is an essential step in the viral replication process, as it allows the viral genome to be released into the host cell and begin replication.

In uncoating, the viral capsid is broken down or removed by host cell enzymes or by the virus itself. This process can occur in various ways, depending on the type of virus. For example, some viruses may undergo uncoating at the cell surface, while others may enter the cell and uncoat within endosomes or the cytoplasm.

Once the viral genome is released, it can begin to replicate and produce new viral particles, which can then go on to infect other cells. Uncoating is therefore a critical step in the viral life cycle and is a target for antiviral drugs.

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The Small intestine is an ORGAN.

The level of organization of intestine is organ level, the correct option is B.

Levels of organization are natural structures characterized by part-whole connections, with things at higher levels composed of things at lower levels.

These components are organized into levels. Cells, tissue, organs, organ systems, and organisms are the five levels.

Cells are the building blocks of all living things. This is what sets living things apart from other objects.

When two or even more tissues collaborate for a specific function, this is referred to as organ-level organization.

The bladder, for example, is made up of an inner layer of epithelial tissue that is connected to (smooth) muscle by various connective tissues.

The intestine is a gastrointestinal organ located between the stomach and the rectum.

Thus, the correct option is B.

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Your question seems incomplete, the missing options are:

Answer:

Hey mate......

Explanation:

This is ur answer.....

Hope it helps!

Brainliest pls....

Follow me! ;)

The decline in the number of beaver pelts available in the Oregon Country was caused by overtrapping.

The trapping of beavers for their pelts was a popular trade in the Pacific Northwest region during the 1800s, and many trappers and fur traders exploited the beaver population to meet the high demand for their pelts.

However, this led to overtrapping, which caused the beaver population to decline. The decline in beaver pelts available in the Oregon Country affected the fur trade industry and had an impact on the economic growth of the region.

As a result, the fur trade industry began to shift its focus to other animals, such as sea otters and minks, to maintain their profits.

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From the question it seems that Mrs.f has lack of protein in her usual diet which may cause problem for her .so the food groups and the nutrients which have high calorific value than protein or the food which which is very very high high in protein i would like to suggest her .

As protein plays a vital role in human body ,so everyone follows a diet which includes high protein in their day to day life .

The protein is that we eat are made up of different amino acids . and these amino acids are what the body uses for various functions ,from certain hormones to building specific proteins within the body . there are 20 amino acids that make up proteins and each one is categorized as essential and non-essential .

Protein promotes the satiety , reduce risk of high blood pressure ,support injury recovery ,reduce the risk of developing sarcopenia and help to keep the immune system functioning .

The protein rich food are as follows :

1. lean beef : including leef bean in your diet not only provides your body with high protein but also provides nutrients like zinc and iron .22 grams of protein in a plate .

2. chicken : chicken packs a punch in the protein department .27 grams of protein in a bowl.

3.salmon : salmon may be the healthy fats that support heart health.19 grams of protein .

4.eggs : it has high protein value .6 grams protein per large egg .

5.peanut butter : peanut butter is a plant based protein .7 grams protein per 2 tablespoons .

6.lentils: they are not only loaded with protein but also they have properties like antioxidant ,fiber ,vitamins ,and minerals .18 grams of protein in one cup of cooked lentils.

7. other than that food like green vegetables which includes carrot, broccoli ( which is rich in calcium ,iron ,phosphorous ,potassium  and zinc) .other like spinach ,avocado ,bell peppers ,meat liver ,fish oil ,bananas .

Also include much intake of water and minerals .

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Answer:DA FAW>K

Explanation:

The information which is provided is insufficient to determine the uncertainty in the measurements done by Sandy.

The correct option is option d.

Based on the information which is provided, it is not possible to accurately determine the uncertainty of Sandy's measurement without additional context or knowledge about the measuring instrument's precision or the method used.

Uncertainty in measurements basically depends on factors such as instrument precision, measurement technique, and environmental conditions. To determine the uncertainty, one needs to consider factors beyond the reported value itself. Without specific information about these factors, it is not feasible to determine the uncertainty with certainty.

Hence, the correct option is option d.

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Answer:

The Gonads.(granulosa and sertoli cells)

Explanation:

These are the sources of inhibin  in the Gonads. Specifically, the granulosa cells of the female ovaries produced these hormones,while the sertoli cells in testes of males performed the same secretions.

These hormone exits in two forms as Inhibin A and B. Generally, FSH control the granulosa cells and sertoli cells functions and  activities.Thus the role of these hormone is to use negative feedback mechanism to control the influence of the  FSH on the gonads.

Generally the Oocyte  that is  lodged in the primordial ovarian follicle is covered  by a single  layer of cells which are formed from the ovarian surface epithelium,These  cells  layers are called the Granulosa cells.

The major function is the secretion of oestrogen,under the influence of FSH.It is this activity that is controlled by the Inhibin hormone.

Aldosterone a. function to increase sodium reabsorption

The endocrine system is a collection of glands and organs that produce and release hormones into the human body. This system functions to control and regulate various activities in the body such as metabolism, reproduction, and growth. The following are several types of endocrine glands, namely thyroid, parathyroid, pituitary, gonads, adrenals, pancreas, and thymus.

Aldosterone is a steroid hormone that plays an important role in maintaining normal sodium and potassium concentrations in the blood. In addition, this hormone also controls blood volume and blood pressure. Aldosterone will increase the amount of salt that is reabsorbed into the bloodstream. So that electrolyte levels and blood pH are maintained.

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Answer:

horsetail is a seedless vascular plant

club moss is a seedless vascular plant

Fern is a seedless vascular plant

Moss is a non vascular plant

Liverwort is a non vascular plant

Hornwort is a non vascular plant