Which of the following statements are generally true about lipids in cell membranes? Select all true statements.
cell membranes have only phospholipids
fatty acid chains in phospholipids frequently have both cis- and trans- double bonds between carbons
phospholipid can have different polar "head" groups covalently linked via phosphodiester bonds to diacyl glycerol (glycerol plus 2 fatty acid chains)
phospholipids can have a polar headgroup (e.g., phosphocholine) covalently linked via phosphodiester bonds to ceramide (sphingosine plus a fatty acyl).

Answer:

First increases, attain highest population and then decreases.

Explanation:

In the culture, the number of bacterial cells increases with the passage of time in a culture. at the beginning, the bacterial cells increases in number or population with the passage of time. At point C, it shows highest population of bacterial cells at the time period of 4 to 5 hours but after more time passed, the population of bacterial cells decreases may be the unavailability of food substances in the medium.

Answer:

9

Explanation:

So for berylium, there are 4 protons, 5 neutrons and 4 electrons. But to calculate atomic mass number, 4 electrons won't be counted. Hence the atomic number of berylium will be the sum of 4 protons and 5 neutrons and that will be equal to 9

Answer:

Explanation:

So first, let's get this out of our way. A genotype is the genetic makeup of an organism, and in this case is expressed by its alleles (the letter combinations). A dominant allele is a capital letter, and recessive is lowercase. The phenotype is the observable trait that is expressed as a result of the genotype. For example, if an organism's genotype is ff, its phnotype is "white flower color". True-breeding means the organism can only have the same two alleles for its genotype (ex: FF and ff are true breeding, but Ff isn't).

For this question, we can eliminate A and D because they switch the definitions of phenotype and genotype. Because the question asks for the DOMINANT plant, its genotype is FF, hence B is the correct answer.

Answer:

D.) Flushing sanitary napkins is not a sustainable wastewater practice that an individual can do.

Explanation:

The other options listed are sustainable wastewater practices. Using biodegradable and flushable products can reduce the amount of waste in the sewer system, but it is important to check if they are truly flushable and won't cause clogs.

Answer:

C. Parasympathetic nervous system.

Explanation:

The parasympathetic nervous system calms the body after strenuous physical activity.

Hope this helps!

Answer:

soryyyyyyyyy talagakilangan ko lang kasi yung points

What is meant by secondary succession?

Image result for What is secondary succession? List the events of an aquatic ecosystem.

secondary succession, type of ecological succession (the evolution of a biological community's ecological structure) in which plants and animals recolonize a habitat after a major disturbance—such as a devastating flood, wildfire, landslide, lava flow, or human activity (e.g., farming or road or building construction)

Marine ecosystem

Freshwater ecosystem

Lentic ecosystem (lakes)

Lotic ecosystem (rivers)

Wetlands

When we see the reciprocal cross between a red-eyed female (homozygous) and a white-eyed male,we observe that none of the offspring will have white eyes. Additionally, the sex of the offspring will be half male and half female since the ratio of males to females is 1:1.

The reciprocal cross for a red-eyed female (homozygous) and a white-eyed male can be shown as follows:Female (XrXr) x Male (XwY). Females have two X chromosomes and males have an X and a Y chromosome. Red eyes are dominant to white eyes; therefore, we use Xr to represent red eyes and Xw to represent white eyes.

The offspring are as follows:All F1 females are heterozygous (XrXw).All F1 males are hemizygous (XrY).The F1 generation will have red eyes since the dominant allele is present.

None of the F1 individuals will have white eyes as the recessive allele is not present in the F1 generation.

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Answer:

b.False

Explanation:

“DNA” stands for: Deoxyribonucleic Acid

The researchers used different radioactive elements to label the DNA and proteins in viruses. This allowed them to identify which molecule the viruses inserted into bacteria. DNA was the molecule they identified. This confirmed that DNA is the genetic material.

Answer:

Agricultural biotechnology is a range of tools, including traditional breeding techniques, that alter living organisms, or parts of organisms, to make or modify products; improve plants or animals; or develop microorganisms for specific agricultural uses. Modern biotechnology today includes the tools of genetic engineering.

Explanation:

Answer:

c

Explanation:

because

The option that best describes the formation of wedge basins is C, " When two plates collide, the non-subducting plate scrapes the subducting plate and forms a depression where  sediments gather."

In geography, a basin is considered to be any major depression of the Earth's crust. These basins can be of six types:

all of these are caused by the interaction between large portions of the Earth's surface.

A wedge basin is formed when two plates collide, the non-subducting plate scrapes the subducting plate and forms a depression where  sediments gather, being described perfectly by option C.

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Scientists have classified the sea otter as a keystone species in communities along the Pacific coast of North America based on their ability to maintain a wide variety of other populations in the community by controlling the population of sea urchins.

The sea otter plays an important role in its ecosystem as a keystone species. Keystone species are essential to the balance of their ecosystem, and removing them can cause drastic changes. The sea otter is a keystone species because it helps maintain a balance of power between different members of the ecosystem in which it resides.

Sea otters feed on sea urchins, which are herbivorous invertebrates that can cause significant damage to the ecosystem. Sea urchins feed on kelp, which can be damaged by too many sea urchins. Sea otters help to control the sea urchin population by feeding on them, which in turn allows the kelp forest to thrive.

Therefore, sea otters play an important role in the health and survival of the kelp forest, as well as other species that rely on the kelp forest for food and shelter.

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Answer:

D

Explanation:

The first trophic level is the producer, which makes its own food, so it has to be a plant / algae / cyanobacteria

All of the following, with the exception of the lower motor neurons in the eyes, provide information to the cerebellum.

The basic building blocks of a brain and nervous system are neuron (also known as nerve cells or nerve cells). Neurons are the cells that receive sensory information from the outside world, give motor commands to our muscles, and transform and relay electrical signals at each stage along the way.

Nerve cells carry information throughout the entire human body. Through electrical and chemical signals, they help to coordinate all of life's essential processes. They define neurons & explain their operation in this post.

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Answer:

Abiotic simply means a non-living thing.

Therefore, my understanding of the characteristics of life are those things that show that something is living.

Things like:

Movement

Respiration

Nutrition

Irritability

Growth

Excretion

Reproduction

Death.

Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.

Methionine can be abbreviated as Met.

The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.

We can use the codon chart to determine the amino acid sequence.

The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.

Each codon codes for a different amino acid.

For example, the codon AUG codes for the amino acid methionine.

To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).

Then we write down the amino acid sequence for the codons we read, using the codon chart.

Here, the sequence starts with AUG, which codes for methionine.

After that, the next codon is UAA which is a stop codon, so we can stop.

The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).

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Answer:

The answer is the number of hours of darkness and daylight.

Explanation:

Answer:

B. the number of hours of darkness and daylight.

Explanation:

Plant growth and production of flowers are processes driven by the seasons, and specifically the length of daylight and darkness each day.

Scenario 1: 50% chance to have 5 fingers and 50% chance to have 4 fingers. Scenario 2: 75% chance of having a baby with 5 fingers and 25% chance of having a baby with 4 fingers.

In the first case, the offspring has a 50% chance of inheriting the dominant T allele from the 5-fingered father and a 50% chance of inheriting the recessive T allele from the 4-fingered mother. Therefore, the probability of having a child with 5 fingers is 50%. The probability of having a 4-toed child is also 50% since the offspring will only have 4 fingers if they inherit two copies of the recessive allele t.

In the second case, both parents have 5 fingers and are heterozygous (Tt), so there is a 75% chance that the offspring will inherit at least one T dominant allele and have 5 fingers. There is a 25% chance of inheriting two copies of the recessive allele t and having 4 fingers. Therefore, the probability of having a child with 5 fingers is 75% and the probability of having a child with 4 fingers is 25%. 

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Answer:

Several tissue groped together and working as a unit is called organ.

Explanation:

hope this helps you

The lactose operon is like a group of genes that help break down lactose, which is a sugar found in milk. And if a bacterium wants to use lactose for energy, it needs to break it down first.

So, if scientists wanted to engineer a bacterium that could triple the digestion of lactose in the operon, they might add or subtract certain parts of the operon to make it more efficient at breaking down lactose. For example, they might add extra copies of genes that are responsible for breaking down lactose, or they might remove parts of the operon that are slowing down the digestion process.

But, like, to be honest, I'm not really sure exactly which parts they would add or subtract. I think it would depend on the specific bacterium they're working with and the specific genes in the lactose operon. And the scientists would need to do a lot of experiments and testing to figure out what works best.

Hope this helps!

The process of digestion in amoeba takes place in a single cell whereas, multiple organs are involved in rats.

The process of digestion in amoeba is faster than in rats.

The process of digestion in amoeba requires less energy than in rats.

Digestion in living organisms is the process by which large food molecules are broken down into smaller nutrients required by the cells for their metabolic activities.

The complexity of the process of digestion in living organisms increases as living organisms increases in complexity from simple cells to multicellular organisms.

For example the process of digestion in amoeba, a unicellular organism is more simple than in rats, which are multicellular organisms.

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Answer

:amoeba is cellular, and the mouse is unicellular. The amoeba’s has double cells and is responsible for taking in and breaking down food to obtain food. It has 1 organelle that take in food and use enzymes to digest it. The mouse has specialized cells

Explanation:

The correct statement about the relationship between genes, DNA, and base pairs is: DNA is made up of many genes, each of which is made up of thousands of base pairs.

The correct answer is option D.

Genes are segments of DNA that contain the instructions for building and functioning of specific proteins. DNA, on the other hand, is the molecule that carries genetic information in all living organisms. It is composed of a double helix structure made up of nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. The four nitrogenous bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).

Base pairs refer to the specific pairing of nitrogenous bases in the DNA molecule. Adenine pairs with thymine, and cytosine pairs with guanine, forming complementary base pairs. The sequence of these base pairs along the DNA molecule determines the genetic code and carries the instructions for the synthesis of proteins.

Therefore, the correct relationship is that DNA is made up of many genes, and each gene is composed of thousands of base pairs. Genes serve as the functional units of DNA, encoding the information needed for specific traits and characteristics. The base pairs within the DNA sequence are the building blocks of genes and contribute to the genetic code. Understanding this relationship is essential for studying genetics and the transmission of genetic information from one generation to the next.

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The question probable may be:

Determine which statement about the relationship between genes DNA and base pairs is correct.

A. DNA is made up of these pairs each of which is made up of thousands of genes.

B. Genes are made up of many days peers, each of which is made up of thousands of DNA molecules.

C. Genes are made up of many DNA molecules each of which is made up of thousands of base pairs.

D. DNA is made up of many genes each of which is made up of thousands of base pairs.  

A potential realistic mutation that could greatly benefit the human race is an increased resistance to infectious diseases.

One potential realistic mutation that could greatly benefit the human race is an increased resistance to infectious diseases. Such a mutation could occur through various mechanisms, including natural selection, genetic engineering, or epigenetic modifications.

This mutation would be beneficial because it would improve the health and well-being of individuals, reduce healthcare costs, and potentially prevent pandemics and global health crises. For example, a mutation that enhances the activity of immune cells or increases the expression of antimicrobial peptides could help individuals fight off infections more effectively and reduce the likelihood of spreading infectious diseases to others.

However, it is important to note that there could be potential negative consequences associated with this mutation. For instance, increased resistance to infectious diseases could lead to a reduction in the diversity of the human microbiome, which could have implications for overall health and immune function.

Additionally, it is possible that infectious agents could evolve in response to this mutation, potentially leading to the emergence of new and more virulent strains of pathogens. Therefore, it is important to consider the potential risks and benefits of any mutation carefully and to approach genetic engineering with caution.

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Answer:

I think the answer is cellular respiration

Explanation:

SO CELLULAR RESPIRATION TAKES PLACE IN THE MITOCHONDRIA

I HOPE ITS HELPFUL

The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Answer:

FALSE ALL DAY LONG

Explanation: