please help! ASAP giving 20 points!
How do you think that wearing personal protective equipment helps to protect us from contracting airborne diseases?
Answer:
Airborne transmission may occur if patient respiratory activity or medical procedures generate respiratory aerosols. These aerosols contain particles that may travel much longer distances and remain airborne longer, but their infective potential is uncertain. Contact, droplet and airborne transmission are each relevant during airway manoeuvres in infected patients, particularly during tracheal intubation.
Explanation:
Why do areas near the equator have warm climates? Low density of incident rays (northern winter) Earth laghi Sun Equato High density of incident rays (southern summer) It snows in areas away from the equator There is less land near the equator The equator gets the most sun year round The equator is closer to the sun than the poles
Answer:
The Equator Is Closer To The Sun Than The Poles
A biological macromolecule is made up of glycerol and fatty acids. Based on this information, what type of molecule is this? Choose 1 answer: Choose 1 answer: (Choice A) A Nucleic acid (Choice B) B Carbohydrate (Choice C) C Protein (Choice D) D Lipid
Answer:
D. Lipids
Explanation:
A biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.
What are Biological macromolecules?Biological macromolecules may be defined as those large and organic molecules that are important to biophysical processes. It includes carbohydrates, lipids, proteins, and nucleic acids.
Nucleic acids are derived from a pentose sugar, a phosphate group, and a base. Protein is derived from their monomers known as amino acids. Carbohydrates are derived from monosaccharides units such as glucose. It includes carbon, hydrogen, and oxygen.
Triglycerides are a simple form of lipids that are constructed with the help of one molecule of glycerol while three molecules of fatty acids.
Therefore, a biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.
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Identify the following structure indicated
by the arrow.
CCG GCC ACU CCC
GGG
(
UGA
A. Anticodon
B. Amino Acid
C. tRNA
D. Codon
f ज
Answer:c
Explanation:
Which are characteristics of all bacteria? Check all that apply.
They lack a nucleus.
They have a nucleus.
They eat other organisms.
They make their own food.
They are eukaryotes.
They are prokaryot
Answer:
first & last one :)
Explanation:
how would the western diet have to change in order to become vegan
Answer: you would have to cut out animal products and meat and most likely not
Explanation:
What happens to a CO2 molecule when an infrared wave hits it?
The energy from the photon causes the CO2 molecule to vibrate. Some time later, the molecule gives up this extra energy by emitting another infrared photon. Once the extra energy has been removed by the emitted photon, the carbon dioxide molecule stops vibrating.
1. An object that has an equal amount of protons and electrons would be
I
A. electrically charged
B. electric field
C. electric force
D. electrically neutral
Answer:
the answer is D
Explanation:
sorry if I'm worng....
Which has more steps to complete?
O meiosis
O mitosis
O osmosis
O neither
O No answer text provided.
Which of the following move through convection currents? Select all that apply.
A. Air in the atmosphere
B. The mantle moving tectonic plates
C. Ocean currents
D. The water cycle
Some trees shed their leaves in time for winter, called deciduous trees. How is this adaptation useful?
The trees save energy during the darker, colder months.
The trees blend into their environment and hide.
The trees attract animals to spread their seeds.
The trees take in more sunlight through their branches.
Answer:
they save energy in darker colder months
In a certain flower, Red (R) is dominant over white (r). Complete the Punnett Square for the
following cross:
Mother: Rr Father: rr
What percentage of offspring will be Red?
What percentage of offspring will be White?
Answer: 50% will be red and 50% will be white
Explanation: Make a punnet square
R r Rr=red rr=white
r Rr rr
r Rr rr
Answer:
50 percent of the offspring would be red
50 percent would be white
are bacteria prokaryotes of eukaryotic
Answer:
well they can be both sometimes, some can survive in very hot environments, but most can be killed by heat so it is prokaryotic
Explanation:
what is eukaryotic multicellular consume and eats its own food?
A.Protista
B.Fungi
In what phase of meiosis is DNA replicated?
Answer:
During prophase I, the chromosomes condense and become visible inside the nucleus. Because each chromosome was duplicated during the S phase that occurred just before prophase I, each now consists of two sister chromatids joined at the centromere.
I hope it's helpful!
Question 10 (2 points)
What occurs to a neuron when it receives a chemical message?
a
b
ОООО
The cell becomes positively charged on the inside.
The cell returns to its resting state.
The cell floods the nucleus with sodium ions.
The cell becomes impermeable for a short time,
C
d
Hey,
the answer is the cell becomes positively charged on the inside.
Why did Mendel study pea plants?
Answer:
Pea plants were fundamental in allowing him to understand the means by which traits are inherited between parent and offspring. He chose pea plants because they were easy to grow and could be bred rapidly and had many several observable characteristics like petal color and pea color. Mendel used a tall plant and a small plant expecting a medium plant to com out. That was not the case one tall plant came out and so did 3 small ones. This is because of genetics. And the genetic chart showing what the percents are.
Explanation:
The nucleotide base sequence of a strand of DNA is TAC-CGG-AGT. Wha
is the sequence of the complementary DNA strand?
Answer:
AUG- GCC- UCA
Explanation:
Hope this is helpful!!
A person takes a drink of water and begins to
choke. The water has gotten into the person's
windpipe. Which part of the upper respiratory
system is supposed to prevent this?
larynx
nasal cavity
pharynx
nose
A flap of tissue called the epiglottis sits over the top of the trachea. This flap blocks food and drink from going down into the trachea when you swallow. But in some cases, food or drink can enter the trachea. It may go down as you swallow.
Answer:
Larynx
Explanation:
PLEASE HELP, WILL MARK BRAINLEST
Question 3(Multiple Choice Worth 6 points)
Study the graph below. At what depth does the thermocline begin?
A line graph relating ocean depth to water temperature. At 0 meters, temperature is approximately 27°C. At 100 meters, temperature is approximately 24°C. At 200 meters, temperature is approximately 11°C. At 300 meters, temperature is approximately 8°C.
Public Domain
0 meters
100 meters
200 meters
300 meters
Answer: 100 meters
Explanation:
The thermocline begins at 100 meters of depth. Thermocline is a transition oceanic water layer between deep and surface water in which water temperature decreases rapidly with increasing depth. From the given graph it cam be seen that at 100 meters the thermocline begins such that the temperature drops from to.
FYI we just learned about this
WILL GIVE BRAINLY IF CORRECT!!! PLEASE I BEG OF YOU I NEED HELP!!! ASAP!!!! WILL REPORT IF RANDOM! LOTS OF POINTS!!!!
Fill in the left side of the chart, with the name of the organism that is the MOST complex to LEAST complex. Then, after all the names of the organisms are on the left, match their name with the correct description of how each organism changed during its development, on the right side.
NAME OF ORGANISM -
- fish
- salamander
- tortoise
- chick
- rabbit
- human
DESCRIPTION -
- Developed limbs, defined features in face, neck, ears, loss of tail, tiny fingers present
- Developed beak, tail shorter, wings and legs developed, head quite large
- Has gills, tail and large underbelly
- Shell developed, limbs have developed, tail is thinner, large belly, long tail, beak
- Tail gone, developed limbs, detailed features in ears and mouth
- fins developed, gills, tail and scales
Answer:
most: human
2nd: salamander
3rd: rabbit
4th: tortoise
5th fish
6th chick
Explanation:
I've done this assignment.
Answer:
most: human
2nd: salamander
3rd: rabbit
4th: tortoise
5th fish
6th chick
Explanation:
hope I helped
Which type of electromagnetic wave has the lowest frequency?
A. Ultraviolet
B. Visible light
C. Gamma rays
D. Microwaves
Answer:
D
Explanation:
1. the process by which organisms produce new organisms of the same type ____________________
Answer:
Reproduction.
Explanation:
Reproduction is the process by which organisms produce new organisms of the same type. This can be asexual (an organism not needing a mate to reproduce like certain plants or bacteria) or sexual reproduction (needing a mate to reproduce). Most species can only produce sexually.
What are the abiotic and biotic factors of a Beach Coastal?
Answer:
Beaches have specific abiotic factors like sandy, rocky soil, high amounts of sunlight, strong wind, high salinity and changing tides. Despite these challenges many biotic factors survive, such as mangrove trees in tropical areas, and flat, sprawling succulents in sand dunes.
when paleontologists study fossils, which is true of the fossil record that they find
Answer:
D. The fossil record shows how different groups of organisms have changed over time
Explanation: Fossil change overtime which means that some in particular will never or sometimes, be the same. ( i aslo dont know if this is the right answer so if you get it wrong, im super sorry)
Answer: D
Explanation:
I
did the test
PLEASE HELP!!!
A student drew the following flowchart in her notes. Crushing → Sizing → Concentrating → Dewatering
What does the process show? A. Blending coal B. Refining crude oil C. Processing minerals D. Crystallizing magma
Answer:
processing minerals
Explanation:
Answer:
to refine minerals
Explanation:
question
A student drew the following flowchart.
Crushing -> Sizing -> Concentrating -> Dewatering
What is the purpose of the process?
Why is the use of stem cells to produce new specialized cells, which can replace a body's damaged cells and cure disease, creating a controversy?
Answer:
human embryonic stem cells are obtained from embryos, thereby they are subject to ethical, religious, political and legal considerations
Explanation:
Human embryonic stem cells (HESCs) are pluripotent undifferentiated cells derived from blastocyst-stage embryos, which have the ability to produce any type of somatic cells. HESCs are obtained in vitro from embryos that are 5-6 days old. These cells are valuable tools in research in order to understand the genetic and physiological mechanisms of human development, as well as to develop treatments against diseases. The use of embryonic stem cells in research is controversial because these techniques involve the destruction of human embryos, and there are people who consider human life begins with the formation of the diploid zygote after fertilization, thereby raising the debate if a human embryo can be regarded as a human being.
Select the tubes that contain protein.
Select all that apply.
Tube 1: Pepsin
Tube 2: Albumin
Tube 3: Starch
Tube 4: Water
Answer:
Tube 1: Pepsin
Tube 2:Albumin
Explanation:
The tubes that contain protein are TUBE 1 : PEPSIN and TUBE 2 : ALBUMIN
Pepsin contains inactive protein called Zymogen also called pepsinogen.
Albumin is the single most abundant protein which is produced in the liver.
Starch does not contain protein but sugar which yields Carbonhydrate.
Tube 4 : contains water which is also a form of nutrient different from protein.
Therefore, the tubes that contain protein ARE tube 1 and tube 2 : PEPSIN and ALBUMIN.
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Why might someone who is on a diet and eating very few molecules not lose weight?
