The first word of the scientific name is capitalized, functions as a(n) , and tells the of the organism

D. It provides buoyancy to a fish.

This air pocket is known as the swim bladder, and also called air bladder. This is a buoyancy organ possessed by most bony fish. The air bladder is located in the body cavity and is derived from an out pocketing of the digestive tube.

Answer:

D. It provides buoyancy to a fish.

Explanation:

its D

colorblidness is carried on the X cromasome. since it is resessive it can be covered up. woman have 2 X cromasomes so both have to have it or she wont be color blind. men only have one X cromasome so its more likely that their just one X can have it

Answer:

Explanation:

Endocrine glands secrete hormones directly into the blood. This is the case for the pancreas that releases insulin into the blood to regulate blood sugars. Most cells in the body have insulin receptors. However, liver and muscle cells have many of them. This allows these cells to uptake glucose and stores them as glycogen for use when energy is required in high demand.

The true statements about insulin or its effects on the body are: When releasing insulin, the pancreas is acting as an endocrine gland. Insulin binds to receptor proteins found in the cell membranes of many types of body cells, hence options C, and D are correct.

The islets of Langerhans release insulin when blood sugar levels increase, as they do after eating.

This hormone facilitates the body's cells' ability to absorb sugar from the circulation. Along with preventing the liver from creating additional sugar, insulin also enables the liver and muscles to retain sugar.

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its called service inseparability.

The correct answer is: Release of neurotrasmitters from the synaptic vesicles  

Action potential travels through the membrane of the presynaptic cell causing the channels permeable to calcium ions to open. Ca2+ flow through the presynaptic membrane and increase the Ca concentration in the cell which will activate proteins attached to vesicles that contain a neurotransmitter (e.g. acetylcholine), Vesicles fuse with the membrane of the presynaptic cell, thereby release their contents into the synaptic cleft-space between the membranes of the pre- and postsynaptic cells.

The answer is A. Left atrium

Oxygenated blood that returns from the lungs enters the left atrium of the heart. From the left atrium, it moves to the left ventricle, which pumps it into the systemic circuit, distributing oxygen and nutrients to the rest of the body.

The blood circulation in our body is a dual system consisting of the pulmonary circuit and the systemic circuit. In the pulmonary circuit, blood flows from the right atrium to the right ventricle, from where it is pumped to the lungs. Here, gas exchange takes place in the pulmonary capillaries, enriching the blood with oxygen and removing carbon dioxide. This oxygenated blood then returns from the lungs and enters the left atrium of the heart. It passes through the left atrium into the left ventricle, which pumps it into the systemic circuit - distributing oxygen and nutrients to the body cells. Therefore, the specific answer to your question is A. Left atrium.

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Similar body parts may be homologies or analogies. Both provide evidence for evolution. Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Analogies is a comparison between two things, typically for the purpose of explanation or clarification.

Body parts of organisms that are similar in structure but serve different functions are called homologous structures. These are crucial for understanding evolutionary relationships, in contrast to analogous structures, which look similar due to similar environmental adaptations rather than shared ancestry.

The body parts of organisms that are similar in structure but different in function are known as homologous structures. For instance, the bones in a whale's flipper are homologous to those in the human arm, showcasing similar embryonic origins, but they perform different functions. These structures can often provide significant clues to the evolutionary history of an organism. However, it is crucial to differentiate between homologous and analogous structures, which are similar due to convergent evolution and environmental constraints, not a common ancestry. For example, the wings of a bird and those of a butterfly are analogous, as they serve the same function of flight, but do not derive from a common ancestor.

Comparative anatomy plays a pivotal role in the study of both homologous and analogous structures, offering insights into evolutionary changes and the adaptive nature of species. Vestigial structures, such as the wings on flightless birds or hind leg bones in whales, are also a focus within this field, as they are remnants that suggest a different use in an ancestor.

Dihydroxyacetone phosphate - 1

Fructose-1,6-bisphosphate - 1

Pyruvate - 13

G-6-P - 1

1) Dihydroxyacetone phosphate = 1

G1P + GTP --> UDPG + PPi two P is equivalent to 2 ATP --->2 ADP + Pi) Therefore, two ATP equivalents - but UDP is the product and only one P needed

2 DHAP --> F1,6-BP -->F6P --> G6P -->G1P -->UDPG --> glucosyl residue

2) Fructose 1,6-bisphosphate = 1

3) Pyruvate = 13

2 pyr + 2 ATP --> 2 OAA

2 OAA + 2 GTP --> 2 PEP

2 PEP --> 2 2PG --> 2 3PG

2 3PG + 2 ATP --> 2 1,3 BPG

2 1,3 BPG + 2 NADH --> 2 G3P

2 NADH = 6 ATP

2 G3P --> DHP + G3P --> FDP -- > F6P + P

F6P --> G6P --> G1P

G1P + UTP --> UDPG + PP

4) Glucose-6-phosphate = 1

G6P -->G1P G1P + UTP --> UDP-GLC + 2 Pi

UDP-Glc + glycogen --> glycogen+ 1 Glc

skelatal muscle makes volntary movement possible

Answer:

stabilizing selection

Explanation:

got it right on study island

Stabilizing selection limits the potential for further evolution in that direction by reducing genetic diversity within particular characteristic combinations. Thus, option D is correct.

When natural selection promotes a typical phenotype and rejects extreme deviations, stabilizing selection causes a reduction in genetic variety within a population.

In directional selection, a population's genetic variation alters in response to environmental changes to a new phenotype.

When natural selection promotes a typical phenotype and rejects extreme deviations, stabilizing selection causes a reduction in genetic variety within a population.

When subjected to environmental changes, a population's genetic variation moves toward a new phenotype.

Therefore, stabilizing selection type of selection is responsible for reducing variation.

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ur answer is gametophyte

so confused on that question

At the end of mitosis the cells will have 8 chromosomes because mitosis makes an identical diploid cell. At the end of meiosis the cells will have 4 chromosomes because meiosis makes 4 genetically different haploid cells.

Hope this answers the question.

Final answer:

Chromosome and DNA content vary through mitosis and meiosis. Mitosis results in two diploid daughter cells with the original DNA content, while meiosis leads to four haploid cells with half the original DNA content.

Explanation:

Chromosome and DNA Content During Mitosis and Meiosis

For an organism with a diploid chromosome number of 2N = 8, during mitosis, all stages (prophase, metaphase, anaphase, and telophase) end with cells containing 8 chromosomes and 16 DNA molecules (since each chromosome consists of two sister chromatids after DNA replication) inside one cell. At the completion of cytokinesis, two diploid daughter cells are produced, each with 8 chromosomes and 8 DNA molecules (because the sister chromatids are distributed into each cell).

Differentiating from mitosis, meiosis includes two rounds of cellular division, meiosis I and meiosis II. After DNA replication, a cell entering meiosis I would also have 8 chromosomes but with 16 DNA molecules due to each chromosome having two sister chromatids. The conclusion of meiosis I results in two cells each with 4 chromosomes (1N - haploid number) but still with 8 DNA molecules because sister chromatids have not yet separated. Meiosis II culminates in four cells each with 4 chromosomes and 4 DNA molecules, since sister chromatids separate during this phase, reducing the DNA content per cell while maintaining the haploid number of chromosomes.

Understanding the changes in chromosome and DNA quantity during mitosis and meiosis is crucial for comprehending genetic inheritance and cellular reproduction. Sexual reproduction relies on meiosis to produce gametes with half the diploid number of chromosomes, ensuring genetic diversity and maintaining the species' characteristic chromosome number upon fertilization.

D. Male. Why this is, is because it is hereditary and mostly the males are the ones that get it.

Answer:

a

Explanation:

The correct answer is: A checkpoint will be activated if the spindle does not attach to a kinetochore.

Prokaryotes, do not undergo mitosis (like eukaryotes) and therefore have no need for a mitotic spindle. Prokaryotes also don’ t have checkpoints foor the regulation of cell division.

Normal eukaryotic cells (unlike cancer cells), move through the cell cycle in a regulated way in order to make sure that cells don't divide under conditions that are unfavorable for them. Information about their own internal state (nutrients, signal molecules, DNA integrity) is signal to go or not to go through the cell division. Because of that there are few checkpoints in the cell cycle at which the cell examines the signals and makes a “decision”. The major checkpoints are:

• The G1- the first point at which it must choose, once it passes the G1 checkpoint the cell enters S phase

• The G2-the cell checks DNA integrity and checks if replication is done well.

• The spindle checkpoint-at the transition from metaphase to anaphase.

The correct answer choice for the problem is A checkpoint will be activated if the spindle is not attached to the kinetochore.

Cell division is a process in which stem cells divide or divide themselves into 2 or more daughter cells. Cell division is a part of our body. We grow because the cells in our body divide.

In the cell cycle, there are two stages, namely interphase, and M-Phase. The interface is the stage where cells do not divide. This phase lasts for 15 hours and there are 3 stages, namely G1 Phase (duplicate cell organelle phase), S-Phase (DNA replication phase), and G2 Phase (phase of cell growth and protein synthesis). It is in the M-Phase stage that the cell begins to divide. This lap only lasts 2 hours and consists of the karyokinesis and cytokinesis processes. Kariokinesis is the stage where the process of cell nucleus division through the ProMAT stage, while cytokinesis is the stage of cytoplasmic division. Cell division is divided into 2 types according to the type of cell dividing, namely division in prokaryotic cells and eukaryotic cells.

1. Cleavage in Prokaryotic Cells

Cleavage in prokaryotic cells is known as binary division, which means this division takes place simply and spontaneously. This cleavage process is also known as the amitotic cleavage process. Amitosis means division that does not involve chromosomes. Binary division can be found in bacterial cells, cell growth processes, duplication of genetic material, chromosome division, and cytoplasmic division.

In binary fission, the chromosomes are duplicated and will stick to the plasma membrane. Then there will be growing between the two attachment sites of the chromosome. This is to do a core separation. Cytokinesis and cell wall formation are then formed so that 2 daughter cells are formed.

2. Eukaryotic Cell Cleavage

Cell division in eukaryotic cells is divided into meiosis and mitosis.

Mitosis

Mitosis division is a division that produces daughter cells that can divide again. The mitotic division produces two daughter cells that are identical to the parent.

Meiosis

The meiotic division is a division that produces gametes. This gamete cannot divide again until fertilization.

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Class: Hight School

Subject: Biology

Keywords: Prokaryotic and eukaryotic cell division.

Answer:

B) mining

C) cattle ranching

E) logging

Explanation:

Deforestation is the process of destroying a forest and replacing it with something else, especially by an agricultural system. Deforestation is done to make land available for other uses such as plantations and pastures. The main causes of deforestation are mining, logging and cattle ranching. Other causes include agriculture (cash crops), oil and gas extraction, development (housing and urbanization) and lack of law enforcement.

Answer:

B) mining

C) cattle ranching

E) logging

Explanation:

A monophyletic taxon is also called a clade. Paraphyletic taxon : A group composed of a collection of organisms, including the most recent common ancestor of all those organisms. Unlike a monophyletic group, a paraphyletic taxon does not include all the descendants of the most recent common ancestor.

Does this help?

C) They should indicate limited adaptation to life on land.

The earliest tetrapod fossils should primarily display limited adaptations for a terrestrial lifestyle, such as primitive limbs structured for swimming rather than walking. Other developments, like internal fertilization and shelled eggs, are important in tetrapod evolution but may not be evident in the very earliest fossils.

Fossils of the earliest tetrapods should primarily indicate limited adaptation to life on land. This is because tetrapods were the first vertebrates to make the critical evolutionary leap from water to land, and thus their initial adaptations to a terrestrial lifestyle would not have been highly refined. The earliest tetrapods, for instance, may still have had limbs structured for swimming rather than walking, and may not yet have fully developed structures like feet with digits.

While internal fertilization and the production of shelled eggs are notable developments in the evolution of tetrapods, these features may not necessarily be evident in the earliest tetrapod fossils, as they represent subsequent adaptations for terrestrial life. Similarly, jaw's appearance and transitional forms with chondrichthyans are not exclusively related to the initial transition of tetrapods to land life.

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Atoms of course are smaller than molecules

Answer:

Atoms.

Explanation:

Atoms is the small part of an element that can be further divided into electrons, protons and neutrons. The atom has the ability to combine with the other and same atoms.

Atoms combined together to form the molecule. The molecules comes after the reactivity of atoms. The level of organization that are smaller than molecules are atoms.

Thus, the correct answer is option (1).

phospholipids, glycolipids, and sterols

The three amphipathic lipids present in the cell membrane are phospholipids, sphingolipids, and cholesterol. These components are crucial for the membrane's structure, with phospholipids forming the bilayer, sphingolipids contributing to cell recognition, and cholesterol modulating membrane fluidity.

Three amphipathic lipids that are present in the cell membrane are phospholipids, sphingolipids, and cholesterol. Phospholipids, as the principal component, are composed of a hydrophilic head and two hydrophobic tails, allowing them to form the characteristic lipid bilayer of cell membranes. Sphingolipids, which also contain an amino alcohol sphingosine, play roles in cell recognition and signaling. Cholesterol modulates the fluidity and stability of the membrane.

Amphipathic molecules like phospholipids have both hydrophilic (water-loving) and hydrophobic (water-fearing) regions. The hydrophilic head faces the aqueous environments inside and outside the cell, while the hydrophobic tails face each other, forming the interior of the membrane—which is impermeable to most water-soluble substances.

D. Most of the energy from photosynthesis flows out as heat :)

Answer:

D the organisms at the bottom of the chain collect the most energy at 90% and the rest get only 10% going up

Explanation:

Recessive traits like red hair can skip generations because they can hide out in a carrier behind a dominant trait

The answer is A. They are all acidic

Answer:

many anterior pituitary hormones regulate other endocrine glands whereas posterior pituitary hormones regulate nonendocrine tissues

Explanation:

Anterior pituitary or adenohypophysis is the anterior lobe of the pituitary gland. Secretion of endocrine cells of the anterior pituitary is controlled by regulatory hormones released by hypothalamus. The hypothalamic releasing hormones bind to anterior pituitary endocrine cells, upregulating or downregulating their release of hormones. Anterior pituitary hormones stimulate endocrine glands: FSH and LH (ovaries and testes), TSH (thyroid), and ACTH (adrenal cortex).

Posterior pituitary or neurohypophysis is the posterior lobe of the pituitary gland. It  is not glandular it is just a collection of axonal projections from the hypothalamus. Posterior pituitary hormones regulate nonendocrine tissues: ADH-vasopressin (kidney tubules) and oxytocin (mammary glands, uterine tissues, brain).

There are two kingdoms of prokaryotes. These are the bacteria (or eubacteria ) and the archaebacteria (or the Archaea ). The members of these two kingdoms appear similar in shape and appearance, even under the extreme magnification of the electron microscope . the answer is c

Prokaryotes and eukaryotes differ significantly particularly in the presence of membrane-bound compartments, or organelles, which are only found in eukaryotes. These organelles allow for the compartmentalization of cellular processes, promoting efficiency and specificity. This complexity in eukaryotes has enabled them to evolve into multicellular life-forms.

Yes, a significant difference between prokaryotes and eukaryotes is that only eukaryotes contain membrane-bound compartments, or organelles, that carry out specialized functions. These include the nucleus, mitochondria, the endoplasmic reticulum, and the Golgi apparatus, among others. Prokaryotes, on the other hand, have their DNA free floating in the cell within a region called the nucleoid and lack other internal membrane-bound organelles.

The presence of these organelles in only eukaryotes allows for the compartmentalization of cellular processes, enhancing the efficiency and specificity of these processes. Membrane-bound organelles perform specific tasks such as protein synthesis, energy production, and waste processing and disposal, aiding in the effective functioning of eukaryotic cells.

Although prokaryotes like bacteria and archaea have been on Earth much longer than eukaryotes, the latter's enhanced complexity, yielded from their organelles, has allowed them to form multicellular, complex life-forms such as plants, animals, and fungi.

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It would be any mutation of the DNA or mRNA mutations in sequences that control the cell cycle because mutations are caused for an error in DNA since DNA contains all your traits and genes.

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No, here are some rankings I found. please make me the brainliest!

Comparisons and Ranking

Rank

Type of Coal

Calorific Value (MJ/kg)

#1

Anthracite

30 millijoules per kilogram

#2

Bituminous

18.8–29.3 millijoules per kilogram

#3

Sub-bituminous

8.3–25 millijoules per kilogram

#4

Lignite (brown coal)

5.5–14.3 millijoules per kilogram

The sugar molecules thus formed contain carbon,hydrogen, and oxygen: their hydrocarbon backbones are used to make amino acids and to make other carbon based molecules that can be assembled into other large molecules.

Sugar molecules, through metabolic processes, can provide the carbon skeletons necessary to synthesize amino acids, which then polymerize to form proteins. These processes enable sugars to not only fuel cellular activities but also to be the basis for creating a diverse range of biomolecules critical for life.

The atoms in sugar molecules can be transformed through various metabolic processes to form amino acids and other large carbon-based molecules. This is because sugars contain the element carbon, which is a versatile building block for many types of larger biomolecules necessary for life.

For instance, through a series of enzymatic reactions, cells can break down glucose (a simple sugar) to generate energy and obtain carbon skeletons for biosynthesis. These carbon skeletons can then be rearranged to synthesize specific amino acids, which are the monomers of proteins.

Some amino acids can be produced directly from components of the carbohydrate metabolism pathways, such as pyruvate or the intermediates of the Citric Acid Cycle.

Once amino acids are synthesized, they can undergo polymerization through the formation of peptide bonds, resulting in long chains that fold into specific three-dimensional structures to become functional proteins.

Proteins not only serve as structural components but also perform vital functions such as catalyzing biochemical reactions as enzymes, serving as transport molecules, or acting as hormones.

Additionally, other metabolic pathways can convert sugars into nucleotides for the synthesis of RNA and DNA, or fatty acids which are key structural elements of cell membranes and energy storage molecules.