Which of the following diseases is a recessively inherited disorder?
1. Huntington's disease
II. Sickle-cell disease
III. Cystic fibrosis
IV. Tay-Sachs disease
OA.
A. Tand IV only
OB. II, III and IV only
OC. lll only
OD. Tonly
O E. II and III only

Answer:

Explanation: The organism designation consists of the Latin scientific name, usually composed of the genus and species names (the binomial system developed by Linnaeus), followed optionally by the English common name and a synonym.

Answer:

option b c f and g must bhe acquired traits

Answer:

Prefixes are not usually used to indicate multiples of a second greater than 1; the non-SI units of minute, hour and day are used instead. On the other hand, prefixes are used for multiples of the non-SI unit of volume, the litre (l, L) such as millilitres (ml).

pH indicates the level of H+ ions, where low pH indicates too many H+ ions and high pH. However, different body fluids have different pH values.

pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic.

Low-pH water will corrode or dissolve metals and other substances. Pollution can change a water's pH, which in turn can harm animals and plants living in the water.

The abnormalities in acid-base balance are of two types: acidosis and alkalosis. In acidosis, the blood pH is low or there is too much acid in the blood, while in alkalosis, the blood pH is high or there is too much base in the blood.

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Light microscopy with the help of microscope will be used to view cells. It will not look the same as another animal from the ocean due to Bioluminescence.

What is the purpose of light microscopy?

By presenting a magnified image of how minute structures and samples interact with visible light, such as their absorption, reflection, and scattering, light microscopy is used to make them visible.

Light microscopes are employed for routine use when low magnification and resolution are sufficient as well as for the study of living cells. Higher magnifications and higher quality images are available with electron microscopes, but they cannot be utilized to see living cells. An introduction to the basic ideas behind light microscopy: enhancing contrast, resolution, and magnification.

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The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.

The correct answer is option B.

1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.

2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.

Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.

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Answer:

The correct answer is B. False

Explanation:

The genotype of an organism determines its phenotype. Phenotype is constituted by observable characteristics of an organism. These characteristics are codified by genes, and the combination of the differents variants of a gene which codify a phenotipic characteristic constitutes the genotype. For example: eyes color is a characteristic. Its is codified by variants of a gene. The combination of two variants of a gene gives a genotype, which codifies for the phenotype 'blue eyes'.

The Climate is a key atmospheric system that contributes in the distribution of biomes.

A place is categorized as a biome based on the species that call it home. Scientists can define a biome by defining the temperature range, soil type, amount of light, and water that are peculiar to a location and create niches for particular species.

The climate that we have in a given place is what determines the kind of biome that we would have in that area since there is an interchange between the living and the non living components on a regular basis in the biome.

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Answer:

I know this is brief but it is the 2nd law

Explanation:

A- B or O only, because there's no type A in the parents so the kid couldn't possibly have a blood type A.

hope this helps!!!

Answer:

Heterotroph

Explanation:

Hi, According to what I understand, the term is heterotroph, not hetrotrop [Tropism is concerned with how organisms react to a certain stimulus]

The word "heterotrophy" refers to organisms that do not synthesis their food or carbohydrates in the presence of photosynthetic pigment using CO2, water, or solar energy. With the exception of Euglena, they cannot synthesis their food or carbohydrates (it is unicellular and contains photosynthetic pigment). Carnivores, herbivores, etc. are heterotrophs.

Explanation:

Reno, NV experienced a record high temperature of 101 degrees in June.

An overnight freeze damages a farmer's crops.

Coastal cities in California experience mild winters.

Answer:

A

Explanation:

As with DNA replication, partial unwinding of the double helix must occur before transcription can take place, and it is the RNA polymerase enzymes that catalyze this process. ... The DNA molecule re-winds to re-form the double helix. In the first step, transcription, the code in the DNA is copied to a different nucleic acid, RNA.  In the second step, translation, the nucleic acid code in RNA is changed into a new form: amino acids. This step is called translation because the nucleic acid language is being "translated" into the protein language.

i think it it does not effect it very much or even at all

Explanation:

The labels should be placed in the following boxes:

The nervous system is divided into two main subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS).

The CNS includes the brain and spinal cord, while the PNS includes all the nerves outside of the CNS.

The PNS is further divided into the somatic nervous system and the autonomic nervous system.

The central nervous system (CNS) integrates and stores information, controls conscious activities, and carries sensory information from the skin.

The somatic nervous system innervates skeletal muscles and controls conscious activities.

The autonomic nervous system controls subconscious actions, innervates the heart, connects to body viscera, and is a subdivision of the sympathetic nervous system.

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When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Explanation:

true

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If DNA polymerase does not match base pairs correctly during DNA replication, D) mutations could occur in all daughter cells.

DNA polymerase plays a crucial role in ensuring accurate DNA replication by correctly pairing nucleotides. If mismatches occur and are not repaired, they can lead to permanent changes in the DNA sequence. These mutations can be passed on to all daughter cells during cell division, potentially impacting their genetic information. Accumulation of mutations in cells can disrupt normal cellular processes, affect gene function, and increase the risk of genetic disorders or the development of cancer.

Therefore, the accurate matching of base pairs by DNA polymerase is vital to maintain the integrity of the genetic material during replication. The correct option is D).

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Answer:

D

Explanation:

Answer:

D) Black-spotted skin coat as camouflage while stalking prey

Explanation:

NADP = 3 ATP

FADP = 2 ATP

HOPE IT HELPS YOU

Answer:

The setting of "Roll of Thunder, Hear My Cry" is important for several reasons:

1. Historical Context: The novel is set in rural Mississippi during the Great Depression era, where racial segregation and systemic racism were deeply ingrained. The setting provides a backdrop for exploring the harsh realities and challenges faced by African Americans during that time. It highlights the social, economic, and political conditions that influence the characters' lives and experiences.

2. Land and Ownership: Land and its ownership play a significant role in the story. The Logan family, who are African American landowners, face threats and discrimination as they struggle to maintain their land and independence. The setting emphasizes the importance of land as a source of pride, identity, and economic stability, highlighting the power dynamics and inequalities surrounding land ownership.

3. Racial Segregation: The setting vividly portrays the segregation and racial tensions of the time. The Logan children attend a segregated school, face racism in their community, and witness acts of violence and injustice. The setting allows readers to understand the pervasive and deeply entrenched nature of racism, illuminating the challenges faced by African Americans and their fight for equality.

4. Community and Family: The setting of a close-knit, rural community provides a sense of unity, resilience, and support. It showcases the strength of the Logan family and their bond with other African American families. The setting also highlights the importance of community solidarity and collective action in the face of oppression.

Explanation:

The setting of "Roll of Thunder, Hear My Cry" is important because

Answer:

La actividad humana produce mucho ruido, y los altos decibelios en un determinó do lugar por encima de sus niveles naturales marcan la contaminación.

Explanation:

Creo que es la respuesta

Human population growth impacts the Earth system in a variety of ways, including: Increasing the extraction of resources from the environment. These resources include fossil fuels (oil, gas, and coal), minerals, trees, water, and wildlife, especially in the oceans.Hope this helps.

Answer:

the bone matrix

Explanation:

Answer:

Environmental Factors Interact with Genes

Environmental factors often influence traits independently of genes. But not always. Sometimes the environment changes a gene—either its DNA sequence or its activity level. Either of these effects can change the proteins that are made from a gene, which in turn affects traits.