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What term describes DNA sequences that determine specific physical traits?

A. Genes
B. Nucleus
C. Genome
D. Chromosomes

Microsporidia have been tentatively moved from the protists to the fungi based on the presence of chitin in their cell walls.

What is chitin?

Chitin is a tough, protective polysaccharide that is found in the cell walls of fungi but not in protists. While the absence of chloroplasts and centrioles can also be used to distinguish fungi from protists, the presence of chitin in the cell walls is a more reliable and definitive characteristic for assigning organisms to the fungal kingdom. In addition to chitin, other features such as analysis of DNA sequence data and other biochemical markers have also supported the reclassification of Microsporidia as fungi.

What is protists?

Protists are a diverse group of eukaryotic organisms that are not plants, animals, or fungi. They are unicellular or multicellular, and can be found in a variety of habitats such as fresh water, marine environments, soil, and even inside other organisms as parasites. Protists include organisms such as algae, amoebas, ciliates, and slime molds.

Protists are characterized by their eukaryotic cell structure, which includes a nucleus and other membrane-bound organelles. They may have cell walls or lack them, and can reproduce sexually or asexually. Some protists are capable of photosynthesis, while others are heterotrophic and obtain nutrients by consuming other organisms or organic matter.

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If the allele for tall stems (T) is dominant to that for dwarf stems (t) and the allele for axial flowers (A) is dominant to that for terminal flowers, then the possible genotypes for a pea plant with tall stems and axial flowers may be TTAA TTaa, TtAA and TtAa.

In genetics, a dominant allele is a gene variant that mask the expression of another gene variant for the same locus, which is then referred to as the recessive allele.

In this case, we have two alleles from different loci (i.e. tall stem T allele and axial flowers A allele) that dominate to other two alleles (i.e., the dwarf stems and the allele for terminal flowers, respectively).

Therefore, with this data, we can see that the dominant alleles are those that mask the expression of the recessive alleles in heterozygous individuals.

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Answer:

About bacterial fimbriae, the statement that is not correct is that they protect the cell from dehydration.

Explanation:

Bacterial fimbriae are extensions of the cytoplasmic membrane, predominantly of a protein nature, which give the bacteria the ability to adhere to surfaces, tissues or other bacteria.

These pilous structures can be present in all bacteria, constituting a factor related to their infectious capacity.  The main function of fimbriae is adhesion, so they do not constitute a protective element against dehydration.

The other options correspond to true characteristics of the bacterial fimbriae.

Answer:

Explanation:

Types of Adult Stem Cells:

Hematopoietic Stem Cells (Blood Stem Cells)

Mesenchymal Stem Cells.

Neural Stem Cells.

Epithelial Stem Cells.

Skin Stem Cells.

Answer:

20 amino acid

Explanation:

15+5 =20 so its 20

Answer:

Biology is a branch of science that deals with living organisms and their vital processes

Explanation:

Biology is a natural science discipline that studies living things.

It is a very large and broad field due to the wide variety of life found on Earth, so individual biologists normally focus on specific fields.

These fields are either categorized by the scale of life or by the types of organisms studied.

Answer:

False

Explanation:

technology destroys nature, thats y u cant see stars in cities

Answer:

Actually technology destroy it. Technology may make you happy for a moment but when taken you're even happier and start to notice your surroundings a bit better. Also technology is made in factories which causes greenhouse gasses and since so many people want technology more and more gasses erupt.

Outro:

Thanks for reading, hope this helps, and have a wonderful day/night! OwO

Answer:

Due to multiple community guidelines violations your account will be permanently suspended for self promote on 12/6/2020 Vist www.brainly.com to Learn more about your accounts, ban

Explanation:

The Nucleic acids that we have are DNA and RNA.

This question is incomplete but I will try to give you a general idea about the Nucleic acids.

Nucleic acids are large biomolecules that play a crucial role in the storage and transfer of genetic information in cells. There are two types of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Both DNA and RNA are essential for the functioning of cells, and their structure and function have been studied extensively by scientists, leading to a greater understanding of genetics, evolution, and the molecular basis of life.

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The picture indicates the structure of RNA because it has URACIL.

Ribonucleic acid (RNA) is a nucleic acid that is present in all living cells that has similarities in structure to DNA. Unlike DNA, RNA is often single-stranded. An RNA molecule is made of alternating phosphate groups and sugar ribose, as compared to the deoxyribose that is found in DNA. Uracil is the nitrogenous base that is present in RNA.

It is made up of nucleotides which are ribose sugars that are attached to nitrogenous bases and phosphate groups. Nitrogenous bases such as adenine, guanine, uracil, and cytosine are present in them. RNA is mostly present in single-stranded, but there are special RNA viruses that have double-stranded.

So we can conclude that option C is the correct answer.

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Amylase, albumin, hemoglobin, keratin, and collagen are all option(c) i.e, proteins.

An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds. All living things contain proteins, which are the building blocks of numerous vital biological substances like enzymes, hormones, and antibodies.

The three basic classes of proteins—globular, fibrous, and membrane—that correspond to typical tertiary structures can be arbitrarily grouped into three groups. Plant-based foods (fruits, vegetables, grains, nuts, and seeds) frequently lack one or more essential amino acids, but animal-based foods (meat, chicken, fish, eggs, and dairy products) are frequently good sources of complete protein.

The body uses protein for a variety of purposes. It promotes metabolic reactions, supports tissue growth and repair, and synchronizes biological processes. Proteins give your body a structural foundation while also ensuring optimal pH and fluid balance.

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The plant would no longer be able to photosynthesize

Answer:

A wolf and the rabbit it hunts.

Explanation:

The question asked for a relationship between biotic and abiotic parts of an environment. This example shows the relationship between two biotic parts in the environment.

If people visit Mars in the future and live inside biospheres to grow plants for food, the increased distance of Mars from the Sun compared to Earth could affect the plants.

The further distance of Mars from the Sun means that the amount of sunlight reaching the planet is reduced compared to Earth.

Sunlight is crucial for photosynthesis, the process by which plants convert light energy into chemical energy to fuel their growth and development.

With less sunlight available on Mars, the plants may receive lower levels of the essential light energy they need for photosynthesis.

Lower light levels can impact plant growth and metabolism in several ways. It can lead to reduced rates of photosynthesis, limiting the plant's ability to produce sugars and other essential molecules for growth.

This can result in stunted growth, smaller yields, and overall lower plant productivity. Additionally, reduced sunlight can affect the plant's ability to synthesize certain pigments and compounds necessary for various physiological processes.

To address this challenge, scientists and engineers would need to develop innovative solutions to optimize light exposure for plants in Martian biospheres.

This could involve using artificial lighting systems, such as LED grow lights, to provide the necessary light spectrum and intensity for photosynthesis.

Furthermore, plant species that are more adapted to low light conditions or that have been genetically modified to thrive in such environments could be selected for cultivation in Martian biospheres.

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The mode of transport and the molecules are as follows;

Carrier proteins → Charged amino acid

Osmosis → Water molecule

Active transport → Calcium

Simple diffusion → Oxygen

Exocytosis → Protein from the Golgi apparatus

Carrier proteins play a vital role in moving ions, small molecules, or macromolecules across a biological membrane.

Charged amino acids require these proteins for transport as they cannot pass through the lipid bilayer unaided due to their charge.

The above answer is based on the full question below;

Match the modes of transport to the molecules.

carrier proteins

osmosis

active transport

simple diffusion

exocytosis

oxygen

water molecule

charged amino acid

calcium

moves from low concentration to high concentration

protein from the Golgi apparatus

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Answer:

Explanation:

To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."

i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:

    Y     Y

y   Yy  Yy

y   YY  YY

ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.

The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).

Question 2:

To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.

Answer:

adult worm live in subcutaneous nodules and microfilarae wander through the skin,where they may be picked up by a feeding vector blackfly

Answer:

The purpose of natural selection is not a conscious or intentional one, as it is not driven by a specific goal or purpose. Instead, natural selection is a fundamental process in biology that acts on heritable traits within populations over generations. It is a key mechanism of evolution.

Explanation:

The primary outcome of natural selection is the adaptation of organisms to their environment. Individuals with traits that are advantageous in a particular environment are more likely to survive, reproduce, and pass on those beneficial traits to their offspring. Conversely, individuals with traits that are disadvantageous are less likely to survive and reproduce, leading to a reduction in the frequency of those traits in the population over time.

Natural selection, therefore, acts as a filter that shapes the characteristics of populations, favoring traits that enhance an organism's survival and reproductive success in a given environment. Over many generations, this process can lead to the development of new species or the modification of existing ones, as populations accumulate adaptations that allow them to thrive in different ecological niches.

It's important to note that natural selection does not have an end goal in mind, nor does it necessarily lead to the "best" or most advanced organisms. Instead, it is a consequence of the interactions between organisms and their environment, constantly shaping and refining the traits of living beings based on their ability to survive and reproduce.

Answer:

There is no data to indicate that consumption of GMOs is bad for human health. ... In addition, over the two decades that GMOs have been on the market, there have been no occurrences of health issues due to genetically modified organism

Explanation:

but its your own opinion

Answer: GMOs are generally though of as bad

Explanation: GMO stands for Genetically Modified Organism.

People take genes from one plant, lets say from a plant that can withstand cold temperatures, and puts it into another plant. This can give the gene of withstanding cold temperatures to the new plant.

A long time ago people would breed plants until they got traits that they like. This takes a very long time. Now with GMOs, you can get the traits you want much faster.

People are concerned with GMOs for allergies, cancer, and environmental harm. Current research hasn't outlined too many risks of GMOs yet as long-term research is still needed.

Answermddijdhiid:

Explanation:

Answer:

Gonorrhea is transmitted through sexual contact with the penis, vagina, mouth, or anus of an infected partner. Ejaculation does not have to occur for gonorrhea to be transmitted or acquired. Gonorrhea can also be spread perinatally from mother to baby during childbirth.

Answer: DNA is a nucleic acid

Explanation:

The acronym DNA stands for deoxyribonucleic acid.

The Mendelian inheritance principles are called the Law of Segregation, the Law of genetic Dominance and the Law of Independent Assortment.

The Mendelian genetic inheritance principles are a series of laws that dominate genetic patterns of inheritance which were discovered by Gregor Mendel who investigated inheritance in pea plants.

The Law of Segregation indicates that alleles separate in different gametes when they are not linked, and the law of dominance indicates that certain alleles mask the expression of recessive alleles in heterozygous individuals. Moreover, the Law of Independent Assortment is based on genes that are located on different chromosomes.

Therefore, with this data, we can see that the Mendelian genetic inheritance principles are fundamental to understanding inheritance patterns and they were discovered by Gregor Mendel working with different traits in the pea plant.

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Based on the bands of the gel electrophoresis;

Gel electrophoresis is a molecular biology technique used to separate macromolecules such as DNA, RNA, and proteins.

Based on their size and charge, DNA fragments (or other macromolecules, such as RNA and proteins) are separated using the gel electrophoresis process.

In a technique, when a sample has similar bads to a control, the sample is usually identified as similar to the control.

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Innate immune system is the first line of defense against the germs which enters a human body. These are natural killer cells known as Neutrophils.

The correct answer to question 1 is D. Neutrophils.

Bacteria are considered as immune evasion micro organisms. The can subvert the natural killer cells of human immune system by preventing host cells from producing MHC I

The phenotype will be Toxin concentrations that build up in the periplasm. Type II secretion system is found in various negative bacteria which transport proteins from periplasm to outside the cell.

The correct answer is A.Toxin concentrations will build up in the periplasm

CoV-2 generates antibodies known as IgM which is most useful for determining the infection.

The correct answer is A. IgM

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Answer:

A

Explanation:

COMMON SENSE.

RLLY EASY

DID U NOT LEARN SCIENCE

#BASIC KNOWLEDGE

#SUPER SIMPLE

Glucose, galactose, and fructose are monosaccharide isomers, which means they all have the same chemical formula but differ structurally and chemically. Disaccharides form when two monosaccharides undergo a dehydration reaction (a condensation reaction); they are held together by a covalent bond. (Lumen Learning to learn more, or to cite)

Hope this helps!

Answer:

basic

Explanation:

ph value 9 base is ph value is 9and 20

The nervous system is divided into central nervous sytem (CNS) and peripheral nervous system (PNS).

The peripheral nervous system is further divided into somatic, autonomic and enteric nervous system.

The autonomic nervous system is further divided into sympathetic and parasympathetic divisions.

From the given table, the nervous systems can be matched with their descriptions as:

1.  Central - the brain and spinal cord

2. Peripheral - sensory and motor neurons

3. Somatic - voluntary nerves

4. Autonomic - involuntary nerves

5. Sympathetic - increases or speeds up a process

6. Parasympathetic - decreases or slows down a process

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