Question 3(Multiple Choice Worth 3 points)


(06. 03 LC)


What are some of the immune functions of the lymphatic system?


O Cleaning red blood cells from the blood and creating lymph fluids


Transporting lymph to the tissues and creating lymph fluids


O Removing infectious agents and making white blood cells


O Making red blood cells and removing infectious agents


Question 4 Multiple Choice Worth 3 points)


(06. 03 MC)

The nitrogen cycle consists of the following steps:

The nitrogen cycle is the biogeochemical process through which nitrogen is changed into a variety of chemical forms as it moves across ecosystems in the atmosphere, on land, and in the sea. It is possible to convert nitrogen using both biological and physical methods.

Nitrogen is cycled through the biosphere by four different processes: nitrogen fixation, decay, nitrification, and denitrification.

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Answer:

Sex cells/ gametes

Explanation:

Muscle cells can use the D.oxygen energy system to obtain energy.

Several energy systems can be used by muscle cells to supply energy for muscular contractions. One of primary energy systems employed by muscle cells is an aerobic energy system, which requires oxygen to produce energy in the form of ATP. With help of oxygen, glucose is broken down during aerobic respiration to create ATP, carbon dioxide, and water.

Anaerobic energy sources, such as glycolytic and phosphagen systems, do not really need oxygen to make ATP. These systems, however, are less effective than the aerobic system and can only sustain energy for brief intervals before becoming exhausted.

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Answer:

The answer is option b.

Hope this helps you.

Answer:

Its A

Explanation:

Edge 2021

True. Oxygen is the most common element in earth’s crust and iron is the most common element in earth’s core.

Oxygen is the most common element in the Earth's crust, making up about 46% of the crust by weight. This is primarily due to the abundance of oxygen in the form of silicates, which are the main minerals in the Earth's crust.

Silicates are compounds that contain silicon and oxygen, and they form the building blocks of most rocks in the crust.In contrast, iron is the most common element in the Earth's core, which is the central part of the Earth below the mantle. The core is believed to be composed mostly of iron and nickel, with smaller amounts of other elements.

This is because iron is a very dense element and can sink towards the center of the Earth due to its gravitational attraction. The heat generated by the decay of radioactive isotopes and the residual heat from the Earth's formation have also contributed to the differentiation of the Earth's interior, resulting in the separation of heavier elements like iron towards the center.

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Complete Question :

Oxygen is the most common element in earth’s crust and iron is the most common element in earth’s core. True or false

it is the first option, also only covered by water in the highest tides

Answer:

Only covered by water during the highest tides. Out of water for long stretches in between high tides.

Explanation:

I took the test.

Answer: Typically, genetic drift occurs in small populations, where infrequently-occurring alleles face a greater chance of being lost. Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene.

Answer:

Estivate is the summer equivalent to hibernate. Instead of resting through the winter with lower metabolism activity, animals that "estivate" sleep through the warmer months.

Answer:

The answer is A

Explanation:

am 100% sure

A biological membrane is a selectively permeable barrier that separates the interior of a cell from its external environment. It regulates the movement of substances in and out of the cell. On the other hand, dialysis tubing is an artificial membrane made of cellulose that is used to simulate the process of diffusion across a biological membrane. The primary difference between the two is that a biological membrane is a living structure, whereas dialysis tubing is not.
A similarity between the two is that they both allow for the diffusion of small molecules across their surface. This diffusion occurs passively and is driven by the concentration gradient of the substance being transported.
The tube containing the water was included in the Benedict's test to serve as a control. The test determines the presence of reducing sugars in a sample. The tube containing water is used to compare the color change that occurs in the test tube containing the sample being tested. If the color change is the same in both tubes, it means that any reducing sugars detected in the sample were not due to contamination or other factors.The second protein added to Solution A may or may not leave the dialysis bag, depending on its size and charge. If the protein is small and has a net positive charge, it may be able to pass through the pores in the dialysis bag. However, if the protein is larger or has a net negative charge, it may not be able to pass through the bag.

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A biological membrane is a barrier that selectively permits passage through it and isolates a cell's interior from its surrounding environment. It controls how things get into and out of the cell.

The cellulose-based artificial membrane used in dialysis tubing, on the other hand, is utilized to mimic the biological membrane's diffusion process. The main distinction between the two is that whereas dialysis tubing is not a living structure, biological membranes are.

Both of them permit the diffusion of tiny molecules over their surfaces, which is a commonality between them. The concentration gradient of the material being delivered drives this passive diffusion. The water-filled tube was used in the Benedict's test as a serving piece.

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Answer:a mountain range

Explanation: because when when they crashed it created a mountain range

Answer:

B  

when they crashed it created a mountain range

Answer: Some examples of turgidity would be, maybe a hypoxic or swollen plant, and/or organisms.

Explanation:

The alpha-anomer of glucose is associated with starch and glycogen and is amenable to utilization by humans.

Glucose, a monosaccharide, exists in two forms: alpha and beta anomers. These anomers differ in the orientation of the hydroxyl group at the first carbon atom. Starch and glycogen, which are polysaccharides composed of glucose units, are associated with the alpha-anomer of glucose. Starch is the primary energy storage molecule in plants, while glycogen serves as the main energy storage molecule in animals.

Both starch and glycogen are made up of alpha-glucose units. The alpha-anomer of glucose is amenable to utilization by humans because the enzymes in our digestive system can break down the alpha-glycosidic bonds between the glucose units. This allows for efficient digestion and absorption of glucose into the bloodstream, providing a source of energy for our bodies.

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Answer:

B. allows processes as growing and repair tissues in the body.

Explanation:

Mitosis is a process where a single cell divides into two identical daughter cells. During mitosis one cell divides once to form two identical cells and the dividing cell's chromosomes are copied and then distributed equally between the two new nuclei of the daughter cells.

The major purpose of mitosis is for growth and to replace worn out cells. It also plays an important part in the development of embryos.

Mitosis is divided into five stages:

1. Interphase- during interphase, the DNA in the cell is copied resulting in two identical sets of chromosomes. Microtubules also extend from the centrosomes outside the nucleus

2. Prophase- during this phase, the sister chromatids in each chromosome pair up, the nuclear membrane dissolves and the mitotic spindle consisting of microtubules and other proteins extend across the cell between the centrioles which move to opposite ends of the cell.

3. Metaphase- the chromosomes line up at the centre of the cell and the mitotix spindle attaches to eachmof the sister c hromatids.

4. Anaphase- the sister chtomatids are pulled apart to each end of the cell by the mitotic spindle.

5. Telophase- at each pole, a full set of chromosomes gather together, a membrane encloses each chromosome, the cell pinches at the middle and then divides into two. This is known as cytokinesis.

Answer:

Hello!

Explanation:

They investigate the possibility of life on other planets and find out different biospheres are different from Earth and can sustain life. Biophysicists These scientists study the interactions between the various systems of a cell, DNA, RNA, and protein biosynthesis, and their interactions using physical science to study biological systems.

hope this helps!!

The vertical stem, leaves, and flowers of a plant are all plant organs that are located aboveground. These organs make up the plant's shoot system.

The shoot system, often known as the aerial system, is responsible for the plant's aboveground development, including the vertical stem, leaves, and flowers. It's distinguished from the root system, which is responsible for the plant's belowground growth and development. Both of these systems are critical for a plant's life because they allow for proper growth, nutrient and water absorption, and reproduction.

Plant organs that are aboveground, such as the stem, leaves, and flowers, form the shoot system of a plant. The shoot system is primarily responsible for the plant's aboveground development, including growth and reproduction.

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Answer:

Community Definition. A biotic community, also known as a biota or ’biocoenosis’, is the group of organisms that live...

Types of Community. There are two main types of community. A major community is the smallest ecological unit which is...

Characteristics of a Community. The features within communities are highly variable, and there are a number of

Explanation:

The father is responsible for the gender of a baby because he is the one who provides the sperm, which contains either an X or a Y chromosome.

The mother provides the egg, which always contains an X chromosome. If the sperm that fertilizes the egg contains an X chromosome, the resulting baby will be female (XX), while if the sperm contains a Y chromosome, the resulting baby will be male (XY).

Since the mother can only contribute an X chromosome to the baby, it is the father's sperm that determines the gender. If the father's sperm contains an X chromosome, the resulting baby will be female, while if the sperm contains a Y chromosome, the resulting baby will be male.

This means that if a couple wants to have a baby of a particular gender, they can try to time intercourse based on when the woman is ovulating, as sperm containing X and Y chromosomes have different characteristics and behave differently inside the female reproductive system.

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The reticular formation is a complex network of neurons located within the brain stem, which is the region at the base of the brain connecting the brain to the spinal cord. It extends from the upper part of the spinal cord, called the medulla oblongata, all the way up to the diencephalon, which includes the thalamus.

The reticular formation is involved in regulating various essential functions of the central nervous system, including sleep, wakefulness, consciousness, attention, and motor control. It consists of interconnected nuclei and pathways that are distributed throughout the brain stem.

One of the key roles of the reticular formation is its involvement in modulating the level of consciousness. It helps to regulate the sleep-wake cycle by receiving sensory input from various parts of the body and relaying it to the thalamus and cerebral cortex. The reticular formation also plays a role in filtering sensory information, allowing the brain to focus on relevant stimuli and ignore irrelevant ones.

In summary, the reticular formation is a neuron network within the brain stem, extending from the medulla oblongata to the diencephalon. It is involved in regulating functions such as sleep, wakefulness, consciousness, attention, and motor control.

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Answer:

C.

Explanation:

That would be Alleles! Hope this helped <3

Hi friend! here is your answer!

=================================================================The answer is C.!

can i have brainliest answer thanks friend!

===============================================================fun fact Did you know that your DNA determines things such as your eye color, hair color, height, a nd even the size of your nose? The DNA in your cells is respons ible for these physical attribute as well as many others that you will soon see. It turns out that the DNA in your body came almost directly from your mother and father.

Answer:

flood

Explanation:

Answer:

Space

Explanation:

In Double Stranded DNA , Adenine pairs with Thymine as we know, it means amount of A = Amount of T. Here A=30% so T=30%

Total will be 100% (for all 4 bases) , left out is 30 % which will be equally divided by Guanine and Cytocine , hence G=20% and C=20%.

A=30% T=30% G=20% C=20%

Acid rain harms numerous animals and plants. Thus, the food web suffers. Acid rain kills lake phytoplankton. As a result, phytoplankton-dependent insects die. Therefore, option (C) is correct.

Acid rain, also known as acid deposition, is an all-encompassing word that refers to any form of precipitation that contains acidic components, such as sulfuric or nitric acid, and that falls to the ground from the atmosphere in either a wet or dry form. Acid precipitation can take several forms, such as rain, snow, fog, hail, or even dust.

Rain that contains acid can provide significant challenges for a wide variety of flora and fauna. As a direct consequence of this, the entire food web is disrupted. For instance, phytoplankton in lakes might perish as a direct result of acid rain. As a result of there being less phytoplankton available, the insects, which get their nutrition from it, are starting to starve to death.

Therefore, option (C) is correct.

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Answer:

Soluble in water

Explanation:

There are various pigments which are produced by bacteria. These pigments can be soluble or insoluble in water. Bacteria's have potential to produce diverse bioproducts. The pigments produced by bacteria are of different colors. These pigments are used to add color to textile or paint.

Answer:

B

Explanation:

part of most chordate embryos that develops into a spinal column (vertebrae).

It is also the development of the backbone of an embryo,that later becomes a spine

Answer:

i think its c

Explanation:

Answer:

c

Explanation:

claim

Chytridiomycota,a phylum of fungi, is characterized by possessing zoopores or motile cells with a single, posterior, whiplash framework or flagellum. They produce gametes adn diploid zoopores that move with the aid of a single flagellum s