What are the four major categories of organic compounds?
a
point)
с
acids, bases, nucleic acids, and polysaccharides
carbohydrates, lipids, nucleic acids, and proteins
carbon, hydrogen, nitrogen, and oxygen
all of the above

Answer:

1. We commonly know that albinism is a type 1 genetic disorder which is inherently derived from a gene mutation on the X chromosome

2. This can and is sometimes inherited by the offspring by a process known as X-linked recessive inheritance.

3. Hence it abnormally mutates the X chromosome which allows it the characteristic of a genetic disorder

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In the experiment, the effects of siRNAs specific to ADAR1 and ADAR2 on the protein levels of these two enzymes were analyzed in a human liver cell line. The protein levels were measured using Western blot analysis, which detects specific proteins in a sample using antibodies.

The siRNAs were expected to reduce the expression of the target proteins, ADAR1 and ADAR2, and this is what was measured in the experiment. Figure A shows a significant reduction in ADAR1 protein levels following transfection with the specific siRNA, while Figure B shows a similar reduction in ADAR2 protein levels. Overall, the results of the experiment are consistent with the expectation that siRNAs specific to ADAR1 and ADAR2 would reduce the protein levels of these enzymes. The experiment demonstrates the effectiveness of siRNAs in reducing the expression of specific genes and provides a useful tool for studying gene function.

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Answer:

East To West

Explanation:

The nitrogen cycle which is converted to an intermediate, is generally used by the organism at certain levels, hence option c nitrogen gas, ammonium, nitrite, nitrate is correct.

The nitrogen cycle in the biogeochemical cycle converts nitrogen into various chemical intermediates as it cycles into the air, terrestrial, and marine environments.

The nitrogen conversion processes occur through both biological and physical mechanisms. Fixation, ammonification, the first two steps, nitrification, and denitrification are all important processes in the nitrogen cycle.

The bulk of the Earth's atmosphere contains  (78%) majorly composed of atmospheric nitrogen, make the primary source of nitrogen.

Therefore, option c begins with nitrogen gas, ammonium, nitrite, and nitrate in the correct order.

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When a mutation occurs in a protein coding region it may have several effects. Nucleotide substitutions may lead to no change in the protein sequence (known as silent mutations), change the amino acid sequence (known as missense mutations), or create a stop codon (known as a nonsense mutation).

A silent mutation is unnoticeable, whereas a nonsense mutation will produce a protein which is much different than the original. This is because a nonsense mutation introduces a codon which is completely different than the one before, possibly stopping the protein synthesis short.

A change in a single amino acid that results from a point mutation in the DNA sequence. Nonsense codons (nonsense mutations): The conversion of a codon from one that encodes an amino acid to one that acts as a stop codon due to a point mutation in the DNA sequence.

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A mutually beneficial connection is known as mutualism. Commensalism is a symbiotic connection in which one organism gains and the other does not.

The three main types of symbiosis—mutualism, commensalism, and parasitism—are included in the word, which also covers a wide spectrum of species relationships. Mutualism is a symbiotic connection in which both parties—or all parties—gain from it. Both compulsory and facultative mutualism exist.

Predation: The predator hunts its victim by exerting great physical effort. Parasitism: The spread of a parasite is typically passive. From the outside, they stalk, kill, and devour their prey.

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Answer: It is that The chromosomes in the original cell have been duplicated as so look like X's. These chrome es are split during mitosis to make single chromosomes which look like I's.

Explanation:

Answer:

They're modified by adding genes that are encoded with toxin crystals.

Explanation:

More info:

1. The toxins are in the Cry group of endotoxins

2. It is activated by a high pH

3. It is used as a pesticide

The pituitary produces a hormone called adrenocorticotropic hormone. Cortisol generation and release from the cortex (outside part) of the adrenal gland are its primary functions.

The anterior and posterior pituitaries make up the pituitary gland. The anterior pituitary, also known as the adenohypophysis or pars anterior, is the glandular anterior lobe that, along with the posterior lobe (also known as the posterior pituitary or neurohypophysis), constitutes the pituitary gland (hypophysis), Stress, growth, reproduction, and lactation are among the physiological processes that the anterior pituitary controls.

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Epigenetics is the study of how particular genes or proteins associated with particular genes are altered chemically in an organism.

When a cell divides and information is passed from one generation to the next, this process is referred to as epigenetic inheritance. For sustaining diverse gene expression patterns in differentiation, development, and disease, epigenetic inheritance is essential.

It is crucial to demonstrate that the inherited phenotype requires passing through the gametes when considering transgenerational epigenetic inheritance (i.e., sperm and eggs). The fact that stressed-out moms generate stressed-out offspring is an instructive illustration.

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Answer:

Lipids in the tonoplast provide a molecular environment for membrane proteins and serve as the barrier between the cytoplasm and the vacuole lumen.

Explanation:

Answer:

Mitochondria

Explanation:

Powerhouse of the cell

Answer:

Mitochondria

Explanation:

I got it right on the test.

Arthropods are insects, spiders, scorpions, centipedes, crabs, etc. All of them presents sense organs (like eyes), as well as segmented worms (like sensory organs for taste). Therefore, d is incorrect.

Arthropods have hard outer shells but segmented worms don't. Therefore, b is wrong too.

Neither arthropods nor segmented worms have bones. Arthropods have only exoskeleton. So c is incorrect as well.

Both arthropods and segmented worms have segmented bodies, as it is clearly seen in many species. Therefore, the correct answer is a. They both have segmented bodies during some stage of their life.

Answer:

B. A meteor strike

Explanation:

Also climate change caused the extinction.

Answer:

Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere.

Answer:

What caused earth to tilt?

Explanation:

Long, long ago, when Earth was young, it is thought that something big hit Earth and knocked it off-kilter. So instead of rotating with its axis straight up and down, it leans over a bit. By the way, that big thing that hit Earth is called Theia.

The generation that must be waited for the offspring of the short-haired black rabbit is the second generation with a probability of 6.25% or 1/16

WW white rabbit genotype, ww black rabbit genotype, LL long hair, ll short hair. If the genotype of a WWll rabbit is crossed with a wwLL then:

Parents: WWll >< wwwLL

Gametes: Wl><wL

Filial: WwLl

100% of their offspring will be white with long hair (WwLl)

If we cross two offspring to create a second generation (both WwLl), we get the following punnett squares:

Parents: WwLl >< WwLl

Gametes:  WL, Wl, wL, w   ><   WL, Wl, wL, wl

Second Filial:

WWLL (white with long hair)

WWL (white with long hair)

WwLL (white with long hair)

Wwll (white with short hair)

WWL (white with long hair)

WWll (white with short hair)

Wwll (white with short hair)

Wwll (white with short hair)

WwLL (white with long hair)

WwLl (white with long hair)

wwLL (black with long hair)

wwLl (black with long hair)

WwLl (white with long hair)

Wwll (white with long hair)

wwlL (black with long hair)

wwll (black with short hair)

The phenotypic ratio of the second generation is 9 (white with long hair) : 3 white with short hair): 3 (black with long hair) : 1 (black with short hair)

The complete questions:

What if the bunnies I was breeding had the genotypes of WWll and wwLL. How many generations would I need to wait to get a short-haired black bunny? Use Punnett Squares to show why.

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Answer:

Dideoxynucleotides are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing. They are also known as 2',3' because both the 2' and 3' positions on the ribose lack hydroxyl groups, and are abbreviated as ddNTPs.

Explanation:

Answer:

Protein

Explanation:

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Answer:

the answer is protein

Explanation:

Answer:

(1) 0 N. (2) 4 N down. (3) 5 N left. (4) 4 N right. (5) 0 N.

ExplanationExplanationExplanation:

Answer: c - biological catalyst

Explanation: To capture their prey, spiders have fangs, which

pierce the body wall of insects and inject venom.

Spider venoms usually contain specific proteins

that attack the cell membranes of the prey. The

membranes and most of the contents of the

insect's body turn into a liquid that the spider then

ingests for food.

The spider venom proteins are most likely to be biological catalysts.

Hence, option C biological catalysts is correct answer by which spider can catch and ingest its prey.

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A 1986 ford comes into the smog inspection station. it has no plates, but the registration lists the plates as rgf342. this would be entered into the EIS as none for the license plate.

When you register or renew your vehicle's registration in California, smog inspections are required. In order to find NOx, HC, and CO emissions, the BAR-97 Emissions Inspection System (EIS) examines vehicles under simulated driving conditions.

The BAR-97 EIS is required for the inspection of gasoline vehicles made before 1999, gasoline vehicles made before 1999 that are not equipped with OBD II, and gasoline vehicles made before 1999 that have a GVWR of more than 14,000 pounds.

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The statement that BEST describes the relationship between concentration and enzyme activity is when substrate concentration decreases, enzyme activity decreases (Option B).

In conclusion, the statement that BEST describes the relationship between concentration and enzyme activity is when substrate concentration decreases, enzyme activity decreases (Option B is correct).

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So imma gonna go with B cuz it sounds like a property

Cellular differentiation is a process regulated by genes that helps to establish the function of a cell and change its morphology.

It is comprised of tissues that specialize to form different types of cells, which do not degrade into undifferentiated cells.

Cellular differentiation occurs when cells with a common origin develop into cells with unique characteristics and functions. It is regulated by genes and is necessary for the formation of tissues and organs.

During the process, cells acquire specific morphological and biochemical features that enable them to perform different functions.

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Answer:

I don't know the options but it should be, Mitochondria

Explanation:

Answer:

The Atom is the basic unit of matter

Explanation:

just cuz

Answer:

Atom

Explanation

I completed the lesson and did the test.

All of the options A, B, C, and D can be helpful in distinguishing between bacteria and archaea, so the correct answer is "None of the above."

Presence or absence of peptidoglycan in cell walls, type of membrane lipids, sequence of small subunit ribosomal RNA, and presence or absence of S-layer are all characteristics that can be used to differentiate between bacteria and archaea.

Bacteria have cell walls composed of peptidoglycan, while archaea do not. Bacteria typically have membrane lipids made up of fatty acids attached to glycerol, while archaea have membrane lipids made up of isoprene units attached to glycerol. The small subunit ribosomal RNA sequences of bacteria and archaea also differ in significant ways. Finally, while some bacteria have S-layers (outermost layers composed of protein or glycoprotein), these are more commonly found in archaea.

Thus, careful analysis of these and other characteristics can help to determine whether a newly discovered prokaryotic microorganism belongs to the domain Bacteria or to the domain Archaea.

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Answer:

c. Cerebrum

Explanation: is correct