please solve this biology question​

The correct answer is Ribosomes is the single molecule that could do both cellular work and replicate itself.

Ribosomes have two primary functions: message decoding and peptide bond formation. The ribosomal subunits are made up of two large ribonucleoprotein particles (RNPs) of unequal size. Each subunit is composed of one or more ribosomal RNAs (rRNAs) and a large number of ribosomal proteins (r-proteins). The ribosome is an ancient molecular fossil that can be used to peer into the origins of life. In all living systems, the ribosome, which is composed of RNA and protein, converts mRNA to coded protein. Translation is infused with universality, economy, centrality, and antiquity. Because the ribosome is so important to all aspects of life and reproduction in an organism, rapid change is unlikely to survive. The ribosome components are an excellent resource for studying the evolution of all organisms because all cellular organism have ribosomes .

Based on a number of considerations, it is hypothesized that at some time in the evolution of life, there must have been a single molecule that could do both cellular work and replicate itself. A possible molecule that has been suggested is a catalytic RNA molecule, now called a ?

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Answer:

first quarter

Explanation:

Answer:

They found that changes in telomeres, part of our DNA that responds to aging, become present in the amniotic fluid as the placenta and other pregnancy tissues get older. These cells could be telling the baby that it's time to be born.

Explanation:

Answer:

During the 28th and 32nd weeks of pregnancy, the baby will begin turning itself into a head-down position, and the baby will also move lower in the pelvis.

Explanation:

Answer:

Asexual Reproduction

Explanation:

Amoeba is an example of Asexual Reproduction.

Hope it helps!

Answer:

1,3,and 4

Explanation:

Answer:

1. a medicine or drug

3. an agent to cure

4. an aid for diagnosis

Took the assignment on edge 2021

Answer:

all of them duh even trees do and flowers and many more all plants even humans do it and animals

Answer:

the respiratory system and the circulatory system

Explanation:

The statement that is not true related to the protein structure is option b.  Proteins' tertiary structure is dictated by R group bonds.

It is classified as the  three dimensional shape of the protein.

In the tertiary structure it does contain the  single polypeptide chain that we called as the backbone or there more than one protein secondary structures

Also, it should not be dictated by R group bonds.

Therefore, we can conclude that the option b is correct.

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Answer:  A)

Explanation:

Answer : Because you can't make something out of thin air.

Explanation:

It has to come from somewhere. And that somewhere is the cell.

Answer:

B. the genetic diversity of the crops will decrease

Explanation:

without the influence of the insects, the crops will have no reason to change

Answer:

full

Explanation:

Answer:

B. Thermal energy will move from the plate to the fruit pop.

Explanation:

If you leave a frozen fruit pop that has a lower degree than the object you place it on, the object with the higher temperature will transfer heat to the colder object, which leads the cold object to melt.

Answer:

B.

Explanation:

If the plate is hotter than the pop then it will transfer the heat to the pop

The organelle here is lysosome as it collects the trash of the cell. The correct option is B.

A lysosome is a cell organelle that contains digestive enzymes and is membrane-bound.

Lysosomes are involved in a variety of cellular processes. They degrade extraneous or worn-out cell parts. They could be used to eliminate invading viruses and bacteria.

Lysosomes serve as the cell's digestive system, degrading material taken in from outside the cell as well as digesting obsolete components of the cell itself.

The lysosome's interior is acidic and contains numerous enzymes that break down molecules.

It is known as the cell's recycling center, but this does not imply that it only plays a passive role in the cell.

Thus, the correct option is B.

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Your question seems incomplete, the missing options are:

Organisms that obtain their energy from producers or other consumers are heterotrophs.

An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy. Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition." Autotrophs and heterotrophs are two general classifications of organisms depending on how they receive energy and nutrients.

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Answer:

Xenoliths are different types of rock embedded in igneous rock. ... Lava cools fairly quickly, and various types of igneous rocks are formed. Xenoliths are usually visible. They have a different color and density than the surrounding igneous rock.

Explanation:

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Alkali metals are the ones that belong to the 1st group of the periodic table, they are the most reactive metals having less ionization energy.

And one more thing is common between them, that is :

All alkali metals are soft metals, that can easily be cut through knife.

So, required choice is : B. Softer

Answer:

The oldest rock layer is letter E and the youngest is letter A

Explanation:

Soil piles on top of each other as time goes on via weather

Answer:

c) deletion is the type of mutation in the following

Answer:

12

Explanation:

6 chromosomes. Each gamete will contain half the number of chromosomes compared to the parent cell after Meiosis II.

Option (B) is correct.

During Meiosis II, the number of chromosomes in each gamete is halved compared to the parent cell. In the case of the yellow dung fly, which has 5 pairs of autosomal chromosomes and one pair of sex chromosomes, the total number of chromosomes is 2*(5+1) = 12.

However, Meiosis II separates sister chromatids, resulting in the formation of four haploid daughter cells (gametes) with half the chromosome number of the parent cell. Therefore, each yellow dung fly gamete will contain 12/2 = 6 chromosomes.

The options given in the question are not consistent with the expected outcome. The correct answer should be B. 6 chromosomes, as the gametes will have half the number of chromosomes as the parent cell after Meiosis II.

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Monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection is saccharides.

Saccharides form one of the major constituents of the biological macromolecules in living organisms. Many biological processes including the protein folding, stability, immune response and receptor activation are regulated by glycosylation.

In this work, we optimized a capillary electrophoresis method with the capacitively coupled contactless conductivity detection for separation of eight monosaccharides commonly found in glycoproteins, namely D-glucose, D-galactose, D-mannose, N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, D-fucose, N-acetylneuraminic acid, and D-xylose. A highly alkaline solution of 50 mM sodium hydroxide, 22.5 mM disodium phosphate, and 0.2 mM CTAB (pH 12.4) was used as background electrolyte in a 10 µm id capillary. To achieve baseline separation of all the analytes, a counter-directional pressure of –270 kPa was applied during the separation. The limits of the detection of our method were below 7 µg/ml (i.e., 1.5 pg or 1 mg/g protein) and the limits of quantification were below 22 µg/ml (i.e., 5 pg or 3 mg/g protein). As a proof of the concept of our methodology, we performed an analysis of monosaccharides released from fetuin glycoprotein by acid hydrolysis. The results show that, when combined with an appropriate pre-concentration technique, developed method can be used as a monosaccharide profiling tool in glyco-proteomics and complement the routinely used LC-MS/MS analysis.

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Answer:

First box: Carbohydrates

monomer is monosaccarides single sugar molecules

Elements: C, H, O

examples are glucose and cellulos

Box two: Proteins

Monomer: amino acid

Elements: C, H, O, N, P, S

function: a lot of differnt functions but examples include:

– Enzymes that control the rate of biochemical reactions

– Hormones that regulate cell processes (Ex. Insulin)

– Structurally make up bones and muscles (Ex. Collagen)

– Transport substances in and out of cell (Ex. Hemoglobin)

– Antibodies help immune system fight diseases

– Movement (Ex. Contractile proteins)

– Receptors aid in cell signaling

– Energy source in the food we eat (Ex. Casein)

Examples: meats, nuts, and dairy products, but many are made by your body

Box three: Nucleic Acid

Monomer: Nucleotides

Elements: C, H, O, N, P

function: informational molecules that store, transmit, and express our genetic information; contain the instructions for making proteins

example: DNA and RNA

Box Four: Lipids

Monomer: fatty acids

Elements: C, H, O

Function: Long term energy storage

Examples: fats, oils, phospholipids (in the cell membrane), steroids

Explanation:

Answer:

5) summer

6)winter

7)the equator

8)south pole

Answer:

I'm pretty sure the answer is A

Answer:

Explanation:

Producers-organisms that produce their own energy using photosynthesis-are often times food for herbivores and omnivores, Smaller herbivores ad omnivores are eaten by carnivores. Without producers, the entire food chain would fall.

To confirm about the validity of a company's claim about the efficacy and safety of a new pesticide, a consumer can do: (b) additional studies that will be the reliability check for the claims.

Pesticides are the chemicals used to prevent the damage if crops against harmful small insects or other small organisms. These chemical agents can either kill the pests or slow their growth to a great extent. Pesticides can be of three types: insecticides, fungicides and herbicides.

Reliability check in case of pesticides can be defined as the tests and surveys performed to check for their effectiveness. It is in simple terms a quality check. Reliability check for pesticides are very important because if these pesticides are hazardous, they can cause chronic illness in humans after the consumption of such crops.

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Answer:

a ticket given for later use when a sports event or other outdoor event is interrupted or postponed by rain.

a coupon issued to a customer by a store, guaranteeing that a sale item that is out of stock may be purchased by that customer at a later date at the same reduced price.

Explanation: