eggs are used in alot of baking goods eaten over thanksgiving. eggs only have one set of chromosomes. list three vocabulary words or terms that describe the number of chromosomes found in an egg.

Answer:

Both the sunflower and gingko have seeds.

 Both the sunflower and gingko have cones.

The life cycle of sunflowers involves double fertilization; the life cycle of ginkgoes involves single fertilization.

Explanation:

An angiosperm refers to plants which are flower bearing and usually bisexual. The angiosperms are a large group and include grasses, herbs, shrubs and trees. A gymnosperm refers to plants whose seeds are borne on the female cones and seeds are not enclosed in a fruit wall. The gymnosperms comprise of coniferales, cycadales and ginkgoales. Both the sunflower (angiosperm) and ginkgo (gymnosperm) are seed-producing plants. However, the seeds of a sunflower are enclosed by a flower or a fruit wall, while in case of Ginkgoales they are not. Also, sunflowers include double fertilization, while the Ginkgoales involve only a single fertilization.

Answer:d

Explanation:

In DNA, base pairs are held together by hydrogen bonds. Adenine and thymine are connected by two hydrogen bonds, while cytosine and guanine are connected by three. Sugar-phosphate backbones and nitrogen-carbon bonds do not hold the base pairs together.

In DNA, base pairs which consist of double-ringed nucleotides, are held together by hydrogen bonds. The base pairs adenine (A) and thymine (T) are held together by two hydrogen bonds, while the base pairs cytosine (C) and guanine (G) are connected by three hydrogen bonds. These hydrogen bonds allow these base pairs to hold together, providing DNA its double helix structure.

It should be noted that sugar-phosphate backbones form the outer sides of the DNA helix but do not hold the base pairs together.

Similarly, nitrogen-carbon bonds are present in the bases and the sugar molecule but these are not responsible for the bonding of the base pairs. They exist in the individual nucleotides and not in the double-ring structure formed by base pairs.

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In DNA, the base pairs (adenine with thymine, and guanine with cytosine) are held together by hydrogen bonds. It's not the sugar-phosphate backbone or any other components that keep the base pairs connected.

The base pairs in DNA are held together by hydrogen bonds. Specifically, in the double helical structure of DNA, composed of nucleotides, adenine (A) pairs with thymine (T) and guanine (G) pairs with cytosine (C). Each of these base pairs is bound together by hydrogen bonds with A and T sharing two hydrogen bonds, and C and G sharing three.

The sugar-phosphate backbone of the DNA strand, consisting of alternating sugar and phosphate groups, is external to the base pairs and provides structure to the DNA molecule. However, these backbones do not hold the base pairs together.

So, between the options provided, the answer is c) hydrogen bonds hold the base pairs together in DNA.

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Explanation:

Answer:

the answer is neritic

Explanation:

Answer: avalanche, earthquake, flood, forest fire, hurricane, lightning, tornado, tsunami and volcanic eruption.

Explanation: Here extra catastrophic events

Answer:

Hurricane Katrina , the indian ocean tsunami,

Pangaea , and a volcanic eruption

Answer:

they are caused by mutations of the X chromosome

Explanation:

The X chromosome contains many genes in addition to those that determine sex. Certain hereditary defects determine by recessive genes are linked to the X chromosome. The disorders are caused by mutations of the X chromosomes.

Answer:

The correct option is "the exact location of a particular disease-causing gene can be determined."

Explanation:

The discovery of the human genome will let us know the sequence of normal genes in a human. By comparing to this sequence, one can easily know if there is any abnormality in the fetus. The exact location where a fault has occurred can be recognized if the sequence of the normal human genome is known. Hence, the discovery of the human genome is very beneficial to the process of amniocentesis.

Answer: CAAUUGGCUAACGGUAA

Explanation: tRNA interprets mRNA code during translation so it is the job of tRNA to match the amino acids with the correct codons on the mRNA strands. According to the base pair rule of RNA, Adenine and Uracil (A -U) are base complements while Guanine and Cytosine (G - C) are base complements. So if;

mRNA: GUUAACCGAUUGCCAUU

then,

tRNA: CAAUUGGCUAACGGUAA.

Answer:

the answer is true.

Water concentrates water-soluble human waste products.

Answer:

The correct option is A. variables

Explanation:

The columns in any given table will be the list of the variables that are being applied to the experiment. In scientific method of research, a variable can be described as anything that can be changed in an experiment. However, a controlled group in an experiment is the one in which only one of the variable is manipulated.

The controlled experiment is used as a comparison for the experimental groups

Answer:

A. Variables

Explanation:

found on usatestprep

Answer:

C) They invade the body and can cause a humoral immune response.

This best explains the impact that pathogens in the environment might have on one's body.

Explanation:

Pathogens are the microorganisms that are found in the environment and have the tendency to cause diseases. The human body has various lines of defenses against the incoming pathogens, the Nonspecific responses keep the pathogens outside the body and these responses are common for all pathogens. If a pathogen manages to enter the body, then a series of specific responses are triggered which are focused on the type of pathogen.

The humoral response is a category of specific immunity and involves the substances found in body fluids. It particularly targets the newly invading pathogens. Hence, option C correctly describes the impact of pathogens on the body.

Answer:

your brain needs oxygen to think and your lungs need oxygen to live and keep your body going

Explanation:

i think not for sure tho

Breathing supplies oxygen necessary for cellular respiration, which produces energy for cellular processes. Oxygen is a key reactant that aids in the transformation of glucose into ATP while expelling carbon dioxide as a byproduct.

Breathing is essential for cellular respiration, a process where cells break down glucose (from our food) in the presence of oxygen to release energy, carbon dioxide, and water. This process can be represented by the chemical equation: C6H12O6 + 6O2
ightarrow 6CO2 + 6H2O + Energy. When we inhale, oxygen is absorbed into the bloodstream and delivered to our cells, where it serves as a crucial reactant in cellular respiration. Conversely, when we exhale, we expel carbon dioxide, a byproduct of this process. During cellular respiration, energy is transformed into ATP, the main energy currency of the cell, which then powers various cellular functions.

The process of photosynthesis in plants produces the glucose and oxygen needed for cellular respiration. Photosynthesis and cellular respiration form a cycle, highlighting the interconnectedness of life processes. Oxygen plays a critical role as the final electron acceptor, allowing for complete glucose breakdown and ATP production, and without it, much less ATP would be generated, impeding our body's ability to perform functions effectively.

Answer:

b

Explanation:

it doesnt condensate after precipitation in c

Answer:

Phagocytosis refers to the engulfing of larger, solid particles. Often, the engulfed particle is another cell, like when a white blood cell, which is a part of the immune system, engulfs a bacterium to destroy it.

Final answer:

Phagocytosis is the process by which a cell engulfs and destroys large particles, such as microorganisms, through a type of white blood cell known as a neutrophil.

Explanation:

The act of white blood cells engulfing a bacterium is known as phagocytosis. Phagocytosis is a crucial defense mechanism employed by certain white blood cells, particularly neutrophils and macrophages, to eliminate foreign particles, such as bacteria and other microorganisms.

During phagocytosis, the white blood cell surrounds the bacterium with its cell membrane, forming a vesicle called a phagosome. Subsequently, lysosomes, which contain digestive enzymes, fuse with the phagosome to create a phagolysosome. The enzymes within the phagolysosome break down the engulfed bacterium, rendering it harmless.

Phagocytosis is a fundamental aspect of the innate immune response, serving as a primary line of defense against infections. It plays a crucial role in maintaining the body's overall health and protecting against a variety of pathogens.

The oceans absorb more carbon dioxide than the atmosphere.

Explanation:

Oceans are absorbers of atmospheric carbon dioxide. Like in the terrestrial environment ocean animals take in oxygen and release carbon dioxide and ocean plants perform photosynthesis by absorbing carbon dioxide and releases oxygen.

Various human activities like burning of fossil fuels and several industrial activities cause the release of carbon dioxide in large amounts into the atmosphere which harms the earth and its inhabitants.

About one-fourth of the carbon dioxide produced in the atmosphere is absorbed by the oceans of the earth. Oceans are the carbon sink of earth. Absorption of carbon dioxide makes the ocean acidic which causes harm to several ocean beings.

Answer:

The common type of blood cancer include the following

1.Leukaemia

2.  Lymphoma.

3.  Myeloma.

Explanation:

Leukaemia is cancer of blood-forming tissues, including bone marrow. Many types exist such as acute lymphoblastic leukaemia, acute myeloid leukaemia and chronic lymphocytic leukaemia.

Answer:

Explanation:

1: true

2: false

3: true

4: true

5: false

Answer:

true

false

false

true

false

Explanation:

Answer:

Troposphere is the lowest layer of Earth’s atmosphere that has undergone a large increase in temperature due to the  presence of greenhouse gases.

Explanation:

Troposphere (0 to 12 km) where we live is the lowest layer of earth's atmosphere, which is closest to the earth's surface contains half of the atmosphere. Here most clouds are found and almost all weather occurs. Atmosphere contains approximately 78% of nitrogen , 21% of oxygen and 0.9% of argon. Gases like carbon dioxide, nitrous oxides, methane, ozone and the water vapor constitutes the rest of the atmosphere. Many small particles called aerosols are also there which include dust, spores, pollen, volcanic ash, smoke etc.The greenhouse effect is a natural phenomenon that keeps the temperature on the earth suitable for supporting life. The greenhouse gases includes both natural and man-made gases like carbon dioxide , methane, nitrous oxide, chlorofluorocarbons, hydrochlorofluorocarbons, ozone, water vapour. They absorb radiation in the atmosphere and create the green house effect. The thermal infrared radiation emitted by the Earth’s surface and the atmosphere is absorbed by greenhouse gases. They trap heat within the surface-troposphere system preventing it from escaping back into space. This is called the greenhouse effect, which increases the temperature of the lower atmosphere.The increase in the atmospheric concentrations of greenhouse gases due to human activity has caused an increase in the natural greenhouse effect. As a result, the atmosphere is trapping too much heat which increases the temperature of the Earth.

The troposphere has experienced a significant temperature increase due to greenhouse gases trapping heat, a process known as the greenhouse effect.

The atmospheric layer that has undergone a large increase in temperature due to the presence of greenhouse gases is known as the troposphere. The troposphere is the lowest level of Earth's atmosphere, extending up to 12-15 km from the surface. Greenhouse gases such as carbon dioxide and water vapor play a crucial role in trapping heat within this layer through the greenhouse effect, maintaining Earth's surface temperature at levels suitable for life. This warming of the troposphere has become more pronounced in recent times, resulting in what is referred to as the enhanced greenhouse effect, contributing to global warming and climate change.

Answer:

Dog is more closely related to a red fox than a house cat according to a taxonomy level.

Explanation:

Answer: The lithosphere is composed of both the crust and the portion of the upper mantle that behaves as a brittle, rigid solid. The lithosphere is the outermost mechanical layer of the Earth. The lithosphere is about 100 kilometers thick.

Explanation:

Answer: Lithosphere is the rigid, solid upper mantle connected to the crust. It is 200 kilometers thick. Temperatures at this layer are less than 1,300 degrees Celsius.

Final answer:

Dry ice consists of CO₂ molecules held in a regular, extended crystalline structure by weak intermolecular forces, similar to water ice's hydrogen-bonded crystal lattice, though with significantly weaker bonding.

Explanation:

The structure of dry ice, or solid carbon dioxide (CO₂), is formed by individual CO₂ molecules where each carbon atom is doubly bonded to two oxygen atoms. In its solid form, these molecules are held together in a crystal lattice by very weak intermolecular forces, which leads to dry ice's high volatility. This structure is vastly different from that of silicon dioxide, which forms a continuous covalent network. Still, the essence of a crystalline structure in dry ice is that it has an orderly and repeating pattern, akin to water forming an ice crystal structure with an open, cagelike arrangement due to hydrogen bonding. In other words, dry ice's crystalline arrangement is such that molecules stack in a regular pattern, similar to other crystal lattices, even though the bonding forces in dry ice are much weaker, leading to its sublimation at room temperature.

Answer:

C. Phosphorus (P)

Explanation:

Given;

Electron configuration [tex]1s^22s^22p^63s^23p^3[/tex]

Firstly we have to find out the number of shell of given element. For this we have to add number of electron of each shell.

Here counting goes to 3 that means element have three shells. Now we find out number of electrons in each shell.

First shell of an element is K and it has only one sub shell that is 1s. In this element 1s contains only 2 electrons.

For 2nd shell that is L has two sub shell 2s and 2p, for this element 2s contains 2 electrons and 2p contains 6 electrons. That means total number of electrons for L shell is 8.

Now for 3rd  shell that is M has two sub shell 3s and 3p, for this element 3s contains 2 electrons and 3p contains 3 electrons. That means total number of electrons for M shell is 5.

Now total number of electrons for the element is the sum of number of electrons in each shell.

Total number of electrons = 2+8+5=15

And we know the number of electrons of any neutral element is equal to the number of protons and number of protons gives us atomic number of the element.

So the atomic number of given element is 15 that is of Phosphorus.

Answer:

C. Phosphorus (P)

Answer no 1:

A community can be described as a group of species that live in a same area and interact with one another. The mangrove trees, mangrove water snakes, sheepshead, and Roseate spoonbills will all be different communities interacting with one another.

In biology, a population can be described as all the organisms of the same species that live in a particular area and have the ability to interbreed. For instance, all the the mangrove water snakes living in the mangrove community will be a population.

All the biotic factors and the abiotic factors will makeup an ecosystem. For instance, in the following scenario. all the communities of the mangrove habitat along with abiotic factors like air, water etc will make up the ecosystem.

Answer No 2:

           Seeds from a purple coneflower (producers)

                              ↓

                deer mouse (herbivores)

                               ↓

                 red- tailed hawk (Carnivores)

Producers are organisms that are able to make their own food like plant and algae.

Herbivores are organisms that feed on plants.

Carnivores are animals that feed on other animals.

Answer:

Closing of stomata to reduce transpiration.

Explanation:

Answer:

Smooth endoplasmic reticulum

Explanation:

The endoplasmic reticulum is a series of interconnected channels running throughout the cytoplasm. Some endoplasmic reticular have granules called ribosomes on their surfaces. The smooth endoplasmic reticulum are more specialized responsible for synthesizing and transportation of Lipids and breaking down of toxic chemicals from all parts of the cell.

Answer:

Smooth endoplasmic reticulum Or Smooth ER

Explanation:

I was just asked this on USA test prep.

Answer:

b

Explanation:

A patient with diseased tissues that remove wastes and toxic matter from the blood would require a kidney transplant. Matching a donor is essential to prevent immune rejection, and scientists are exploring growing organs from the patient's own cells to avoid this issue.

The group of tissues that removes wastes and toxic matter from the blood is primarily the kidneys. When these tissues are diseased, the patient would typically require a kidney transplant to replace the failing kidneys. For an individual requiring a transplant, finding a matching donor is crucial to prevent tissue rejection. This is due to the immune system potentially destroying the donor cells, recognizing them as foreign. Patients receiving bone marrow transplants, for instance, must have their own diseased marrow destroyed beforehand, and then donor stem cells are intravenously infused. However, in the case of a kidney transplant, the procedure involves connecting a donated kidney to the recipient's blood vessels and leaving the diseased kidneys in place if they're not causing complications.

Dialysis is an alternative treatment that filters blood using a machine, but it is not a cure for kidney failure. For patients with end-stage kidney disease, a kidney transplant is the ideal alternative to long-term dialysis. The main obstacle with transplantation is finding a donor that matches the patient's human leukocyte antigens (HLAs), which are critical for reducing the risk of rejection.

Answer:

b

Explanation:

Answer:

The correct answer is option B) "Metaphase and Anaphase".

Explanation:

According to the notes of the biology lab, the total number of onion cells is 480 (461 + 12 + 2 + 2 + 3). Therefore, half percent of 480 corresponds to 2.4 (480 * 0.005). Since in each case the number of onion cells that were in the Metaphase and Anaphase were only 2, these two phases accounted for less than a half percent of the number of onion cells separately.

Answer:

Cellular Respiration

Explanation:

Cellular respiration is the biological process involves the conversion of one type of chemical energy into another type of chemical energy.