Which two pieces of equipment did the geologist most likely use to determine the density of the copper nuggets?

Answers

Answer 1
A glass flask and sodium and hydrogen hope it helped

Related Questions

Put the steps in the proper order to explain the flow of information from the DNA sequence to a functional protein.

1. The codon sequence in mRNA determines the amino acid sequence in a polypeptide.
2. Each codon in mRNA codes for a specific amino acid.
3. The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.
4. The final structure of a protein determines its function.
5. Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA.

Answers

Answer:

5. Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA.

2. Each codon in mRNA codes for a specific amino acid.

1. The codon sequence in mRNA determines the amino acid sequence in a polypeptide.

3. The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.

4. The final structure of a protein determines its function.

Explanation:

The process of gene expression follows the central dogma of biology I.e. Gene (DNA) --> mRNA ---> Protein. The process of gene forming mRNA is called transcription while the process of mRNA forming protein is called translation.

Based on this, the order of the flow of information from the DNA sequence to a functional protein is:

- Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA (transcription).

- Each codon in mRNA codes for a specific amino acid.

- The codon sequence in mRNA determines the amino acid sequence in a polypeptide (translation).

- The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.

- The final structure of a proteiin determines its function.

The order is 'three nucleotides in DNA codes for a codon', 'each codon codes an amino acid', 'codon sequence determine amino acid sequence', 'amino acids determine protein folding' and 'final protein structure determines its function'.

During gene transcription, a fragment of DNA referred to as 'gene' is used as a template to create an mRNA, which is then used to synthesize a polypeptide.

The triplets of nucleotides or 'codons' in the mRNA sequence determine the amino acid sequence in the nascent polypeptide chain.

The synthesized protein is then folded in the endoplasmic reticulum (ER) and thus adopts its three-dimensional (3D) conformation.

Protein folding is achieved by specific proteins called chaperones that help to correctly fold the protein, which adopts a mature conformational active state.

In conclusion, the order is 'three nucleotides in DNA codes for a codon', 'each codon codes an amino acid', 'codon sequence determine amino acid sequence', 'amino acids determine protein folding' and 'final protein structure determines its function' (order 52134).

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1
ushat is Environment. Pollution?
Se distinguish between-biodegeable and none biodegrabable
Pollutants
e) choose the biodegradable pollutants from the list given
below Sewage :DDT hadioactive waste agricultsal Waste​

Answers

Answer:

Explanation:

the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected. is called environmental pollution.

biodegradable substance are those which decompose naturally left beneficial

to the environment and are used by

but non biodegradable resources are the waste which do not decompose naturally. these waste cause pollution to the environment resulting harmful effect on living beings.

Sewage and agricultural waste are biodegradable waste.

que estan ELABORANDO los medicos para hacer la cura del coronavirus...AYUDA

Answers

Answer:

Vacunas

Explanation:

Las vacuna son preparaciones seguras obtenidas mediante numerosos ensayos clínicos, cuyo objetivo es generar inmunidad contra una enfermedad mediante la producción de anticuerpos. Basicamente, existen tres tipos de vacunas: vacunas atenuadas, vacunas de ARN mensajero y vacunas de terapia genética. En primer lugar, las vacunas atenuadas están desarrolladas usando fragmentos del virus que provoca la enfermedad, lo cual se conoce como vacunas atenuadas porque están fabricadas con virus atenuados/inactivados. Por otra parte, en los últimos años, han sido desarrolladas vacunas derivadas de ARN mensajeros (ARNm) las cuales permiten sintetizar una proteína específica del virus (antígeno) y de este modo generar una respuesta inmune que permanecerá ante una posible infección. Finalmente, las vacunas de terapia génica utilizan como vector un virus que no se integra al genoma pero que es altamente estable, como por ejemplo un adenovirus (un virus del resfriado común), el cual permite introducir en las células la información genética del patógeno a fin de generar proteínas virales específicas capaces de desencadenar una respuesta inmune, es decir, generar anticuerpos específicos, contra el virus.

PLEASE HELP ME WITH THIS QUESTION

Answers

Answer:

the answer is b.

Explanation:

prokaryotes don't have organelles, like eukaryotes do.

_ can cause drain pipes to become to become clogged. A. Hydrotropism B. Thigmotropism​

Answers

Answer:

b

Explanation:

Answer:

I think B

Explanation:

Hope this helps

Cohesion has a surprising effect on

the surface of water called surface

tension. Thanks to linking of water

molecules, some bugs can actually

walk on water without sinking.

The word "surprising" in the selection above

tells the reader that

A

this phenomenon is common in the natural

world

B

this phenomenon can be replicated with

other animals in the wild

С

this property of water was recently

discovered

D

this property of water is unexpected and

unique

Answers

Answer:

A this phenomenon is common in water

help me w this pls would mean a lot

Answers

Answer D

Explanation: All the previews could cause it

Observe Record the appearance (colors,
textures, etc.) of the reactants in the data table.
What else can the copper react with?

Answers

Answer:

Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis

Explanation:

Got it on edge

Answer:

Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis

Explanation:

dude above jus said it

The process by which a modified stem or root of a parent plant grows offspring that remain attached is called(1 point)

A. vegetative reproduction.

B. fragmentation.

C. binary fission.

D. tuber reproduction.

Answers

Answer:

C

Explanation:

The process by which a modified stem or root of a parent plant grows offspring that remain attached is called vegetative reproduction.

Under ideal laboratory conditions the rate of growth of bacteria is proportional to the size of the population at time tt. Suppose that 21002100 bacteria are present initially and that 42004200 are present 1 hour later. How many bacteria are there at the end of 55 hours?

Answers

Answer:

The amount of bacteria that are there at the end of 55 hours is 2310231000

Explanation:

From the description in the question, the bacteria's population size doubles per hour;

Within 1 hour = 21002100 × 2 = 42004200

Thus

After 1 hr ⇒ 42004200

55 hrs ⇒ ?

? = 55 × 42004200 = 2310231000

The amount of bacteria that are there at the end of 55 hours is 2310231000

If one strand of DNA has the base sequence TTCCGGAA The complementary strand has which of the following sequence?

Answers

Answer:

If a DNA strand has the base sequence TTCCGGAA the complementary strand has the sequence AAGGCCTT.

Explanation:

A DNA molecule is constructed from sequences of its four nitrogenous bases: adenine, thymine, guanine and cytosine. Since DNA is made up of two strands, the sequence of nitrogenous bases of one strand is complementary to the other .

The complementarity of the bases is a characteristic of the nitrogenous bases in the nucleic acids to combine with their complementary base, which is the same as saying that purines complement with pyramidines.

Adenine is combined with Thymine A=T Cytosine is complemented with Guanina C≡G

In this way, given a sequence on a DNA strand :

    T-T-C-C-G-G-A-A

The complementary strand will have this sequence:

    A-A-G-G-C-C-T-T

Multicellular organisms (like us) increase the number of their cells through cell division. One cell divides (parent cell) and becomes two new cells (daughter cells).
Question 20 options:
True
False

Answers

Answer: The answer is false

Explanation:

what risk does liquefaction pose during an earthquake?

Answers

Answer:

It can turn loose soil into a liquid during an earthquake. supports of buildings, bridges, pipelines, and roads, causing them to sink into the ground, collapse or dissolve.

Explanation:

It can transform into soil

Select the correct answer.
Which statement about the scientific method is true?
A.
Opinions can be scientifically tested.
B.
Scientific theories are tentative and change as new data emerges.
C.
Hypotheses can be proved through experimentation.
D.
Facts can be scientifically tested.

Answers

it's D but I might be wrong

Answer:

C

Explanation:

In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis.

Many scientists start with this as a need you make a prediction and base it around your experiment to prove your correct.

Hope this helped

(It could also be D but I'm more positive on C)

how is a bacterium different from ours

Answers

Answer:

Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.

Explanation:

Answer:

Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.

Explanation:

One of the reasons you might struggle to lift a heavy object with your arm fully extended is because:_______.

Answers

Answer:

the overlapping decreases between the thin and thick filaments.

Explanation:

When w extend our hand or arm to the full and try to lift any heavy object, we are unable to lift the object inspite of applying all our force. We struggle hard to lift the object with our fully extended arm because when we extend our arm fully it decreases the overlapping of our thin and the thick filaments of our muscles which makes it difficult to lift. In other words, the resting length of our arm is the optimal length to generate force.

PLS HELP ME!!!!!!!!!!!!!

Answers

Answer:Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river

Explanation: my brain is bigger than jimmy neutron

Natural _______is a mechanism for the evolution of a population to become better adapted for survival in a specific environment.

Answers

Answer:

natural selection

Explanation:

What are some of the interactions the respiratory
systems has with other body systems?

Answers

Answer:

The respiratory system interacts with the circulatory system by replenishing the blood flow from the heart with fresh oxygen, and taking out waste gases like CO2 from the blood.

Explanation:

Any interaction of the respiratory system with another system would be any function where both systems are involved. Hope this helps!

According to the graph, how many billions of US dollars were invested in sustainable energy in 2006?
a.
28
c.
71
b.
50
d.
0

Answers

Answer:

50

Explanation:        :)

ALOT OF POINTS MARKING POEPLE AS BRAINLIST

Look at the graph. Explain how the two population are related to each other

Answers

both species had growth in number within the same time period

both of the species population increased and decreased around the same times

What type of cell is shown in the model?

A. Bacterial cell
B. Eukaryotic cell
C. Plant cell
D. Prokaryotic cell

Answers

Answer:

it is a Eukaryotic cell (B)

Explanation:

by process of elimination we can limit it down to B and D, a prokaryotic cell would look nothing like this so therefore it is B

The cell shown in the figure is a model of an eukaryotic cell. An eukaryotic cell consists of all the cell organelles and a well-defined nucleus. Thus, the correct option is B.

What is Eukaryotic cell?

An eukaryotic cell is also known as a true cell. These cells contain all the membranous cell organelles such as mitochondria, chloroplast, etc. and a true well-defined nucleus which are absent in the prokaryotic cell. An outer cell wall or cell membrane is present which encloses the protoplast (living matter) of the cell.

All the animals and plants are made up of eukaryotic cells. These cells contain all the organelles and hence are capable of independent existence. The genetic material is present in the form of DNA (deoxyribonucleic acid) in the nucleus of cells.

Therefore, the correct option is B.

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what is the major biomolecule of cell membrane?​

Answers

Answer:

hope it helps...

Explanation:

The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.

IF THIS HELPED PLEASE COMMENT..

these minerals are formed through crystallization of molten materials which statement best describes these two minerals?

the mineral on the left formed from lava
the mineral on the right formed from magma
the mineral on the left has smaller crystals in the middle on the right
the mineral on the left cool more slowly than the mineral on the right ​

Answers

Answer:

The answer is D.

Explanation:

Just took the quiz and got it correct.

The correct statement is that the mineral on the left cool more slowly than the mineral on the right

The crystallization process is simply known as the way through which atoms are arranged to form a material with a crystal structure.

A ways minerals is formed is by:

Crystallization of magma or lava

The minerals that forms igneous rocks often solidify or freeze at different temperatures.

Magma are created underground, in the lower crust or upper mantle, due to the intense heat there.

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the girl was observing a slide o
f muscle under microscope identified the muscle of striated on the basis of​

Answers

Answer:

muscles carry lines, the texture is often different by that of tissue that is visible to the eye.

Explanation:

Tissue collections that carry out specific functions are called _________
A. Cells
B. Organs
C. Organ Systems
D. Organisms

Answers

Answer:

B. organs is the right one

Explanation:

brainliest plss!!!!!1

Answer:

B. Organs

Explanation:

Cells make up tissues. Tissues make up organs. Organs then make up organ systems, which make up organisms. Hope this helps!

What happens to the actin and myosin during a muscle contraction?

Answers

Answer:

Once the myosin-binding sites are exposed, and if sufficient ATP is present, myosin binds to actin to begin cross-bridge cycling. Then the sarcomere shortens and the muscle contracts. In the absence of calcium, this binding does not occur, so the presence of free calcium is an important regulator of muscle contraction.

please help me with this question:)

Answers

Answer:

i believe mitochondria

Explanation:

I can't see it very well because it's blurry but if it has back and forth squiggles in the middle then it is the mitochondria plus the others are labeled with other stuff

the answer is the mitochondria.

Most species of deer are known to eat many different types of plants. Other than being herbivores, identify the category of species that explains how deer are very adaptable to new environments.

Answers

Answer:

they are invasive species

Explanation:

Invasive species can be defined as a category of non-indigenous species that may cause environmental harm. Invasive species have a high fecundity rate, an important dispersal capacity, highly plastic phenotypes, general habitat preferences, ability to circumvent biological controls (i.e., competitors, predators, diseases), etc. In consequence, these features become invasive species practically impossible to eliminate after introduction into a certain area and highly adaptable to new environmental conditions.

The category of species that describes how most species of deer can adapt to new environments is: invasive species.

Note the following about Invasive species:

Invasive species are usually non-native species in a new environment.They have high fecundity rate, meaning they reproduce faster.They have variety of food they can become adapted to feeding on.They have high survival rate.They can invade an habitat and disrupt the ecosystem.They are pretty difficult to control.

Most species of deer is are typical examples of invasive species.

Therefore, the category of species that describes how most species of deer can adapt to new environments is: invasive species.

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What structure would not be found in a cell from human skin

Answers

Answer:

chloroplast i think , i may b wrong

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