Biology College

2. Define the structure of DNA by filling in the
descriptions below

2. Define The Structure Of DNA By Filling In Thedescriptions Below

Answers

Answer 1

Answer:

Please refer to the explanation below.

Explanation:

The sugar and phosphates molecules form the sides of the helix.

The nitrogen bases form the teeth of the helix.

Each nucleotide is made of a nitrogen base, a sugar, and a phosphate group.

Related Questions

How is drought a limiting factor?

Answers

Answer:

Answer

Explanation:

It cause for disasters like lost of crop which causes no food and starvation. It also causes farms to lose money and thus is limiting farming,the citizens,and even the economy .


4. The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in
the spotted owl population if the
O two owl species cannot interbreed,
barred owl is better adapted to habitat changes,
O barred owl is a secondary consumer
O spotted owl is dependent on local producers,
4th

Answers

I think it’s barred owl is a secondary consumer

The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in the spotted owl population if the? barred owl is better adapted to habitat changes. Mangrove trees are affected by several factors.

CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU !!!

Answers

Answer:

The answer should be can leak or spill during transport.

Explanation:

All other answers would be considered good reasons to use petroleum.

in evolutionary terms, what is fitness?

Answers

Answer:

To an evolutionary biologist, fitness simply means reproductive success and reflects how well an organism is adapted to its environment.

What are the gametes that would be formed for the following genotype: Aa?

Answers

Answer:

An individual with the genotype Aa can make two types of gametes: A and a. Since this is a random process, the individual will, on average, make equal numbers of each gamete. (Frequency of 1/2 for each gamete). A second individual with genotype Aa can make two types of gametes: A and a.

(12.02 MC)
Why are spines considered a physical characteristic adaptation in cactus?

Answers

white dense spines help reflect sunlight spines provide shade cacti stem is thick and fleshy to store lots of water stem has waxy waterproof coating to help keep water in the cacti

which of the following animals has a large intestine that serves as a site for fermentation as well as absorption of water and electrolytes
A sheep
B horse
C Dog
D Cat

Answers

I think the answer should be B. Horse

An energy pyramid is shown below.
tertiary
consumers
secondary
consumers
primary
consumers
producers
N
What does the energy pyramid demonstrate?

Answers

Answer:

tertiary consumers

tertiary consumers

tertiary consumer

tertiary consumer

PLEASE HELP WITH THIS!!!

Answers

Answer:

my mama is my mom

Explanation:

mum gae

While mRNA strands are being created a sequence is sometimes miscopied. What will be the effect of this on the cell?

Group of answer choices

The damaged mRNA may cause cell death.

Translation may not take place.

Future transcription will not take place.

Ribosomes may be destroyed.

Answers

Answer:

If the sequence of mRNA is miscopied, it will change the sequence of amino acids of the protein. Consequently, the protein may become non-functional.

Explanation:

So the second one or the third one I'm not sure sorry <3

Answer:

Translation may not take place.

Explanation:

Hope this helps.

PLZ HELP AG CLASS
Shifting from hand picking to mechanical picking results in which of the following improvements?

A increased efficiency of harvest
B reduced risk of damage to trees
C increased control of sorting
D reduced need for high-tech equipment

Answers

Answer is A.

Mechanical picking results in faster harvesting and it is less time consuming compared to hand picking. therefore it increased the efficiency of harvest

If the answer is incorrect, the next possible answer would be C.

Answer:

efficiency

Explanation:

no balls

How do scientist study evolution?

Answers

they look at fossils, genetic and physical similarities among species, and use relative and radiometric dating

Suppose an explorer discovered a unique new species of plant and collected a sample for analysis by a geneticist. The geneticist then isolated chromatin from the plant sample and examined the chromatin using electron microscopy. The chromatin observed was organized in a way that is similar to beads on a string A small amount of nuclease was then added, which was observed to cleave the string into individual beads that each contained 280 bp of DNA.
Histone H1 H2A H2B H3 H4 H7 (new histone)
Percentage 12.5% 25% 25% 0% 26%
After thorough digestion with more nuclease, only a 120 bp fragment of DNA remained attached to a core of histone eins. Analysis of the histone core revealed the data dicated in the table to the right.
Using the data provided, determine the conclusions that the geneticist could make about the likely structure of the nucleosome in the chromatin of this new plant species
A. The nucleosome core contains a heterodimer of the histones H7 and H1
B. The nucleosome core contains two each of histones H2A, H2B, and H4
C. The nucleosome core contains a homodimer of the histones H2A, H2B, and H4
D. The nucleosome core contains one each of histones H1 and H7
E. The nucleosome core histone H7 replaces the standard histone H3

Answers

my brain can't process this lol

If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human
being who then contracts the virus, what role is the mosquito playing in the infection of the person?
Header
Header
The host
The pathogen
The vector
The parasite
The symbiotic

Answers

Answer:

The pathogen

Explanation:

1. Predict: How do you expect the spread of a foodborne disease to be similar to and different

from the spread of a person-to-person disease?

PLEASE ANSWER

Answers

Answer and Explanation:

The transmission of diseases through food and through people to people, are similar because both are caused by human contact with infectious parasitic agents such as bacteria and viruses. However, it is possible to notice some differences between these two types of transmissions.

Transmission of disease through food occurs when an individual eats contaminated food or drinks contaminated liquid. This contamination occurs due to the lack of hygiene of the handlers and storage problems, which can allow microorganisms, mostly bacteria, to grow in the food. Thus, when the contaminated food is ingested, the microorganisms will release toxins in the stomach that will cause disease. In the case of water, contamination can also happen due to the lack of basic sanitation and the incorrect dumping of garbage and human waste.

Diseases transmitted from person to person can occur in many different ways. One of the best known ways is through the contact of a healthy person with salivary goths or other body fluids of a person with the disease. However, this transmission can also occur through the contact of a healthy individual with the feces of a sick individual and even with physical contact with a sick individual.

Gametes are diploid
True
False

HELPP

Answers

Answer:

false

Explanation:

gametes are haploid while they fuse together to form a zygote that would be diploid

Several examples of antisense RNA regulating translation in bacterial cells have been discovered. Molecular geneticists have also used antisense RNA to artificially control transcription in both bacterial and eukaryotic genes. To inhibit the transcription of a bacterial gene with antisense RNA, what sequence might the antisense RNA contain

Answers

Answer:

An antisense sequence with complementary to the target mRNA encoded by the gene of interest

Explanation:

An antisense sequence is usually a short RNA sequence specifically designed in the laboratory to bind by complementary to the DNA/RNA sequence of interest (usually a target mRNA) whose expression is desired to be inhibited. When an antisense bind to its target mRNA, the antisense sequence acts to block translation, thereby inhibiting protein synthesis. Moreover, it has been shown that the double-stranded antisense-RNA complexes may also increase the susceptibility of the target sequence to RNase H digestion.

which is the best description for why skeletal muscle stores glycogen

Answers

Answer: Skeletal muscle is a heavy consumer of energy.

what is diffussion ?
Defines osmosis?
what is hypotonic solution?​

Answers

Answer:

Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.

Dictionary

Definitions from Oxford Languages

Search for a word

osmosis

/ɒzˈməʊsɪs/

Learn to pronounce

noun

1.

BIOLOGY•CHEMISTRY

a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.

2.

the process of gradual or unconscious assimilation of ideas, knowledge, etc.

A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.

When comparing the brightness of stars, it is
necessary to know the distance to each star.
vole
True
False

Answers

I believe it is true

The extensive size of the fires that burned Yellowstone National Park in 1988 caught both land managers and ecologists by surprise. Many forests suffered intense infernos that removed virtually all vegetation. Some speculated that the park would never recover. Based on what you learned and disturbance and succession, is it likely that the park was irrevocably altered

Answers

Answer:

It is not possible that the park has been irrevocably altered.

Explanation:

The fires are part of the ecology of Yellowstone National Park, and there is a very low risk that this park will be irreversibly modified after a fire. It is scientifically proven that Yellowstone has recovered from fires in a period of thirty years and that the risk of this recovery not happening is very low. In addition, the natural fires that occur in Yellowstone are, in a way, important for the maintenance of the park's ecosystem, since they are able to break the seed dormancy  that are in the soil, in addition to promoting the opening of the serine pine cones.

Seed dormancy is the difficulty of germinating that some seeds present, even in an environment with favorable conditions for germination.

HEY BESTAY I NEED UR HELP WILL MARK U BRAINLIEST

Which part of the carbon cycle shown in the figure contributes the most to the greenhouse effect?
(20 Points)


The decay process returns carbon dioxide to the soil.

The remains of dead organisms gradually change into fossil fuels.

Photosynthetic organisms remove carbon dioxide from the atmosphere.

A Burning fossil fuels and wood releases carbon dioxide into the atmosphere.

Answers

The answer is A hope that helps

What is the speed of an animal that covers 60 miles in 1.5 hours

Answers

Answer:

40 mph

Explanation:

Cnidaria have no brain, so they Cannot move .a O .Cannot chase their food.
b O Must be solitary
c O .Cannot swim d
O Cannot be predators
.e O :Insects that are primitive have a life cycle that differs from advanced insects in that The adults can only feed on solid food
.a O There is no pupal stage
.b O Its larvae feed on different foods from the adults
.c O They take much longer to become an adult
dO The adult cannot fly .

Answers

C C I put that and got it right

the cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the:

a: axons
b: soma
c: dendrites
d: synapses

Answers

I’m pretty sure it’s dendrites
:)

___________ is the measurement of the height above sea level. Question 3 options: Latitude Longitude Altitude Humidity

Answers

Answer:

Altitude

Explanation:

Its the elevation of an object above sea level.

Answer: the answer is altitude

Explanation:

i took my quiz and got it right

hope its help;)

How many amino acid differences would you expect to find between the hemoglobin of a human and a wolf?

Answers

Answer:

600! IF THIS ISN'T IT IM SO SORRY

Explanation:

What does inflammation lead to allow white blood cells to find the
infection and the release of cytokines?

Answers

because then you get a infection

Guys, please take a look at this. I know that the answer is NOT A.

Answers

Answer:

C

Explanation:

There are 4 zeros, which fits the "at least three" criteria.

X plus a number means the root is negative on the graph, so all roots are negative.

(x+3) occurs twice meaning it has a multiplicity of 2.

C
Because I took the quiz

3. We get
our
physical traits from our parents
O True
O False

Answers

Answer:

This is true.

Answer:

true

Explanation:

it alters the DNA of germ cell

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