The cell membrane is composed of a phospholipid bilayer containing proteins and carbohydrates. Choose ALL of the statements that accurately reflect the
structure and its function.


1. Membrane proteins may be enzymes to catalyze metabolic reactions within the cell.

2. Membrane proteins may contain cholesterol to serve as identification tags for other cells.

3. Channel proteins allow a specific molecule to cross the cell membrane that is unable to cross the
phospholipid bilayer unassisted.

4. Receptor proteins bind to ligands, initiated cell signaling pathways.

5. Molecules that are large or nonpolar must use membrane proteins for transport

Answer:

Luster

Explanation:

luster is the only answer that has to do with light. Luster is measured by the way a mineral reflects light.

Cleavage has to do with breaking minerals apart along certain fracture lines. Cleavage is not the answer.

Hardness is a test where one mineral is used to scratch another. The one that does the scratching is harder than the one that is scratched.  

Almond focus her research on helping people become more resilient to microaggressions rather than trying to prevent microaggressions from happening because it may be practically impossible to prevent it it makes more sense to reduce its impact .

Because always try to solve the problem ,not try to end it .

What is microaggression ?

A microaggression is a comment or action that negatively targets a marginalized person or group .a microaggression can be intentional or accidental . it is form of discrimination .

People who engage in microaggressions may mean no harm toward the person or group being targeted. they may not even realise that they are making a microaggressive comment or action.

It can be very hurtful to the people who experience them.it may be verbal, nonverbal and are typically automatic .

Microaggression may  demean a person's race , gender , sexsual orientation, heritage , age or health status .

Example : when a person says that wow you can speak english ,your english is very fluent ,implies that this is somehow unexpected because of the person's skin color or nationality.

It is usually clear when someone's behaviour is discriminatory such as when they use a racial slur.

Microaggression may be classified into three categories :

microassaults ,microinsults ,microinvalidation.

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Except for DNA, all of the following are directly involved in translation. Genetic material is immediately translated from DNA to protein by ribosomes, tRNA, and mRNA.

In biology, the process of translating information from nucleic acids into amino acids is referred to as translation. The examination of genes, genetic variants, and heredity are all aspects of the molecular foundation of inheritance. The genetic code, RNA, and DNA are the molecules that make up heredity. They pass on genetic information from parents to children.

Deoxyribonucleic acid is a polymer consisting of two polynucleotide chains that coil around one another to form a double helix. DNA contains genetic information that is essential for the development, growth, and reproduction of all recognized species and many viruses.

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:13 years

: 1750000 in January 2 2022

In an organism with a diploid number of 28 chromosomes, after meiosis II but before cytokinesis, the cell will have 14 chromosomes.

During meiosis I, the homologous chromosomes (pairs of similar chromosomes) are separated into two daughter cells. In this case, the organism has 28 chromosomes, so each daughter cell will have 14 chromosomes.

In meiosis II, the sister chromatids (identical copies of a chromosome) are separated. Since the daughter cells already have 14 chromosomes each, there is no change in the chromosome number during meiosis II.

So, after meiosis II but before cytokinesis, each cell will have 14 chromosomes. These cells are now haploid, meaning they have half the number of chromosomes compared to the diploid parent cell.

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Answer:

Africa

Explanation:

A P E X

Answer:

Why do many multicellular organisms have specialized cells?

➢ Cells function differently in unicellular and multicellular organisms. A unicellular organism depends upon just one cell for all of its functions while a multicellular organism has cells specialized to perform different functions that collectively support the organism

Explanation:

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Answer:

homologous structures

Of the available options, the first one states that cellulose is a structural part of the hair, this is not correct for several reasons, first cellulose is a biopolymer characteristic of cellular walls in plants, and it's not present in animal cells, secondly human hair is formed mainly of keratin a protein, therefore their basic units are amino acids, not carbohydrates. Therefore taking this into consideration, the correct answer is option 1.

The material in the lab represents each of these parts of the Earth system is water as through this experiment we will find about the effect of water on earth.

The considerable portions of silicon dioxide determined withinside the earth's crust are enough to fulfill all commercial needs. Among the minerals and earths that incorporate silicon dioxide in an uncombined shape are quartz, flint, diatomite, stishovite, agate, amethyst, chalcedony, cristobalite, and tridymite.

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The protein acting as a hormone that regulates blood glucose is a) insulin.

Insulin is a hormone produced by the beta cells of the pancreas and plays a crucial role in regulating blood glucose levels. When blood glucose levels rise, such as after a meal, insulin is released into the bloodstream. Insulin acts on various tissues, particularly the liver, muscle, and adipose (fat) cells, promoting the uptake and storage of glucose. It helps lower blood glucose levels by facilitating the movement of glucose from the bloodstream into these cells, where it is either used for energy or stored as glycogen.

Insulin also suppresses the production of glucose by the liver. In individuals with diabetes, either insufficient insulin is produced (type 1 diabetes) or the body's cells become resistant to the effects of insulin (type 2 diabetes), leading to elevated blood glucose levels. Insulin therapy or other treatments are used to manage and control blood glucose in individuals with diabetes.

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Answer:

y = 1x+7

Explanation:

Answer:

bacteria is a microbes and host organism

Answer:

D.

viruses

Explanation:

Answer:

Yes

Explanation:

Lower pH a stronger acid.

Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.

Characteristics of Living Things

Living things are made of cells. Cells are the basic building blocks of living things.

Living things have movement. This movement can be quick or very slow.

All living things have a metabolism.

Living things grow.

Response to environment.

Reproduction.

Answer:

Characteristics of living things

There are seven activities which make organisms different from

non-living things. These are the seven characteristics of living

organisms.

1 Nutrition

Living things take in materials from their surroundings that they

use for growth or to provide energy. Nutrition is the process by

which organisms obtain energy and raw materials from nutrients

such as proteins, carbohydrates and fats.

2 Respiration

Respiration is the release of energy from food substances in all

living cells. Living things break down food within their cells to

release energy for carrying out the following processes.

3 Movement

All living things move. It is very obvious that a leopard moves but

what about the thorn tree it sits in? Plants too move in various

different ways. The movement may be so slow that it is very

difficult to see.

4 Excretion

All living things excrete. As a result of the many chemical

reactions occurring in cells, they have to get rid of waste products

which might poison the cells. Excretion is defined as the removal of

toxic materials, the waste products of metabolism and substances

in excess from the body of an organism.

5 Growth

Growth is seen in all living things. It involves using food to

produce new cells. The permanent increase in cell number and size

is called growth.

6 Reproduction

All living organisms have the ability to produce offspring.

7 Sensitivity

All living things are able to sense and respond to stimuli around

them such as light, temperature, water, gravity and chemical

substances.

Learn these seven characteristics of living organisms. They form

the basis of the study of Biology. Each one of these characteristics

will be studied in detail during the course. Whilst many other

things carry out one or more of the above processes, only living

organisms possess all of these characteristics.

Answer:

Birds, Lizards, Toads, Snakes, Coyotes, and Spiders

Explanation:

Just looked this up! Source: tpwd.texas.gov

Tay-Sachs disease is caused by mutations in the HEXA gene and inheritance is autosomal recessive . The HEXA gene gives the body instructions to make part of the beta-hexosaminidase A enzyme, which is needed to break down a substance called GM2 ganglioside.

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Answer:

Frameshift mutation

Explanation:

A frameshift mutation is a genetic mutation caused by insertions or deletions that shift the whole sequence.

The majority minority states, where whites are not the majority of the population, are Hawaii, California, New Mexico, Texas, Nevada, Maryland, Georgia, Florida, New York and Arizona.

The demographics of some of the states listed as majority-minority states are rapidly changing due to a variety of factors such as immigration, birth rates, and aging populations.

For example, in some states, the Hispanic population is growing faster than any other ethnic group, which could eventually lead to a change in the majority-minority status of the state.

Additionally, as the population of certain ethnic groups grows, they may become more geographically dispersed, leading to a decrease in their concentration in specific states or regions.

This could result in a shift in the majority-minority status of certain states or regions. It's worth noting that the demographics of some of these states are rapidly changing, and some may no longer meet the criteria of being a majority-minority state in the future.

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Answer:

The tropospheric temperature only decreases from an average of 0°C (32°F) at sea level to about −45°C (−49°F) at the tropopause. At the equator, tropospheric temperatures decrease from an average of 20°C (68°F) at sea level to about −70°C to −75°C (−94 to −103°F) at the tropopause.

Answer:

C. Ligaments

Explanation:

Have a great day! :)

Answer:

to propel itself through its environment and to attach itself to a variety of structures

Explanation:

I took the quiz(-.-)

Rotifers foot is transformed into a variety of structure for moving and swimming and attach itself to a different structure, hence option d is correct.

Some rotifers are really planktonic and free-swimming, while others travel around a substrate via inchworming, and some are sessile and reside inside tubes or gelatinous holdfasts.

About 25 species are sessile or planktonic, colonial (such as Sinantherina semibullata), and some rotifer species have evolved four moveable toes that are equipped with pedal glands to facilitate swimming and crawling.

Rotifers swiftly colonize new environments and transform primary production (algae and cyanobacteria) into a form that is secondary consumers.

Therefore foot of the rotifers is changed into a different structure for movement is attach itself to a variety of structures, hence option d is correct.

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Answer:

predators consuming prey transfers the energy that the prey original received from plants which get their energy from the sun

An organism's tolerance for many environmental factors determines where it can live.

An organism's tolerance or capacity for many environmental factors determines where it can live. Every organism has a specific range of conditions it can tolerate, including temperature, humidity, pH levels, light intensity, and nutrient availability, among others. These factors collectively create an organism's ecological niche, defining its habitat and limiting its distribution. Organisms evolve and adapt to specific environmental conditions, developing physiological and behavioral mechanisms to cope with variations in their surroundings. Tolerance to environmental factors allows organisms to occupy diverse ecosystems, from extreme environments like deserts or deep-sea habitats to more moderate regions such as forests or freshwater ecosystems. The interplay between an organism's tolerance and environmental factors ultimately shapes the complex patterns of species distribution across the planet.

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Given what we know, we can confirm that ready-to-eat TCS food must be date marked if it will be stored for longer than 24 hours.

Therefore, we can confirm that ready-to-eat TCS food must be date marked if it will be stored for longer than 24 hours in order to protect the health of the consumers.

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Gene is taken into consideration as the essential gadget of DNA. The similarity in DNA sequences of various organisms replicates a not unusual place ancestry, which seems to be shared with the aid of using all organism's gifts on earth.

Human DNA suggests very much less similarity with weeds' (vegetation) DNA, that's around 18%. Thus, vegetation display one-of-a-kind metabolic capabilities from human beings, consisting of photosynthesis.

DNA is a coiled structure that has a loop that is twisted and has ciloing.

It also has nucleotides sequence for amino acids.

Therefore is clear that all the percentages of DNA calculated are given above.

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Answer:

Osmosis

Explanation:

Water moves in & out of cells through osmosis.

All of the following are true statements about algae except question 52 options: algae were once classified as plants.

What is algae?

Algae is a colloquial word for a broad and varied class of photosynthetic eukaryotic organisms. Species from numerous different clades are included in this polyphyletic grouping. Chlorella, Prototheca, and diatoms are just a few examples of the unicellular microalgae that are included. Multicellular species like the giant kelp, a massive brown alga that may reach lengths of up to 50 meters (160 feet), are also included. Many lack many of the distinctive cell and tissue types, including stomata, xylem, and phloem, that are present in terrestrial plants. The majority are aquatic and autotrophic (they make food internally). Seaweeds, a class of green algae that comprises, among other things, Spirogyra and stoneworts, are the largest and most complex marine algae, whereas the Charophyta are the most complicated freshwater forms.

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