Explanation:
The antiparallel arrangement of the two strands is what causes the twist. Because the strands run in opposite directions, they pull the sides of the molecule in opposite directions, causing the whole thing to twist around itself. Most naturally occurring DNA spirals clockwise.How long do scientists estimate that the sea has been at its current level?
250 years
2,500 years
25,000 years
250,000 years
Answer:
250,000
Explanation:
Answer:
A. 250 years
Explanation:
NASA measures sea level around the globe using satellites. The Jason-3 satellite uses radio waves and other instruments to measure the height of the ocean's surface – also known as sea level. It does this for the entire Earth every 10 days, studying how global sea level is changing over time.
Which of these will be the best for a jungle environment
I think answer choice B, I believe its a black panther
HELP PLS!!!!!!!!!!!!
Beaches are monitored to protect public health. Waterborne pathogens can cause illnesses. Which of the following is not a common type of pathogen at the beach?
Bacteria
Protozoa
Viruses
Worms
ALL these microorganisms can represent common types of pathogens at the beach. In consequence, it is imperative to take precaution measures to avoid infections.
The sand at the beach may contain dog feces, which is known to transport Toxocara canis, a parasite roundworm able to infect humans.
Moreover, samples of beach sand may also contain different types of pathogenic bacteria (e.g., Staphylococcus species, E. coli, Enterobacteriacea, etc) and viruses (e.g., enteroviruses, hepatitis A, Norwalk viruses, reoviruses, rotaviruses, etc).
In consequence, it is imperative to wash hands with soap and water when touching beach sand that is suspected to be contaminated.
Finally, marine water may also be contaminated with different zoonotic protozoa such as, among others, Giardia, Cryptosporidium and Toxoplasma.
Learn more in:
https://brainly.com/question/1542536
Answer:
The correct answer is worms.
Explanation:
Yes, all of these can be found at the beach, but worms are not common. Also, I took the test lol!
What are three reasons the Fawnsfoot mussel is at risk??
Answer:
The human need for water is now the biggest danger to mussels. Habitat destruction, fragmentation from dams, and more recently an intense drought in the southern plains have all contributed to destruction of mussel beds.
Explanation:
Which statement best describes scientists who contributed to the current body of scientific knowledge?
A. they were made up of men and women throughout history of different countries
B. they were mainly ancient philosophers whose theory stood the test of time
C. they were mainly from European countries such as England and France
D. they were wealthy men during the 20th century
Answer:
A
Explanation:
Answer:
A
Explanation:
what is pathogen????
Pathogen is kinda disease, virus, bacteria or other microorganisms ( which can cause disease)
Answer: A pathogen is usually defined as a microorganism that causes, or can cause, disease :)
Explanation:
There are different types of pathogens, but we're going to focus on the four most common types: viruses, bacteria, fungi, and parasites.
In the case of blood types, both alleles A and B may be expressed as the phenotype. This exemplifies:
Answer:
Codominance
Explanation:
Codominance is a relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele usually will be expressed, while the effect of the other allele, called recessive, is masked.
What happens to mRNA after transcription ?
A- It is transported to a mitochondrion for respiration
B- It exits the cell through the plasma membrane
C-It remains in the nucleus to begin translation
D-It enters the cytoplasm and goes to a ribosome
Multiple choice please help!
Answer:
A=T is the answer ..............
Answer:
The correct answer is A) A=T
Explanation:
Which statement is true about DNA base pairing rules?
A- cytosine can pair with guanine only
B- adenine can pair with cytosine only
C- Adenine can pair with thymine or cytosine
D- cytosine can pair with Adenine or guanine
the codon read using the genetic code to determine the amino acid is found in the
tRNA, mRNA, rRNA or DNA
helpp!!!!!!!!!!!
Answer:
tRna and mRna
Explanation:
tRna and Mran
Which macronutrient promotes root growth?
Answer: Phosphorus (P)
Explanation: Phosphorus is one of the important macronutrients of plants which promotes the plant root growth.
Phosphorus in good amount would lead to -
• Extensive roots
• Fewer shoots
• Stunted growth
Whereas if the plant deficits Phosphorus then it would lead to
• Poor root growth
• Few flowers or aborted flowers
• No fruits
The surge of blood entering arteries causes an expansion and recoil of the arterial wall producing a _____________ that can be felt externally.
Answer:
I think the answer you're looking for is pulse
why would a light wave speed up if it moved from air into hydrogen
What safety precautions must I take in a minerals investigation?
which statement best describes why genetic variation is beneficial to populations of organisms A. Individuals look different from one another. B . Only one parent is needed to produce offspring. C. Populations of the organism increases more rapidly. D. Species can better survive environmental changes.
Answer:
Explanation:
Its D, species began having more beneficial adaptions to their environment causing them to live longer.
Answer:
It's D. Species can better survive environmental changes.
What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?
Oxygen present → Krebs Cycle → Electron transport chain
→
Glycolysis
→ Lactic acid fermentation
Oxygen not present →
Alcohol fermentation
What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?
How many ATP are produced by each process shown?
Answer:
Processes that takes place with oxygen is aerobic and processes that takes without oxygen is anaerobic.
Glycolysis and Krebs Cycle produces 2 Atp and ETC produces 34 Atp
The network of connective tissue fibers which pass through the tissues of the body and allow for the efficient movement of immune system cells is the
Answer:
reticuloendothelial system
Explanation:
The reticuloendothelial system (RES) is a heterogeneous population of phagocytic cells in systemically fixed tissues that play an important role in the clearance of particles and soluble substances in the circulation and tissues, and forms part of the immune system.
If red blood cells are placed in distilled water and examined under a microscope
no cells are seen.
Explain why no red blood cells would be seen
Answer:
The distilled water made the red blood cells burst.
Explanation:
Distilled water is a hypotonic solution containing ZERO salt content. It is 100% water, making the red blood cells (RBC) take in water that causes the RBC to swell, then burst.
21. Explain How did Earth's environments change
from the Neogene to the Quaternary Period?
Answer:
Climate change and the developments it spurs carry the narrative of the Quaternary, the most recent 2.6 million years of Earth's history. Glaciers advance from the Poles and then retreat carving and molding the land with each pulse. Sea levels fall and rise with each period of freezing and thawing.
Explanation:
The lipid that makes up most of the lipids in our body is: Group of answer choices lecithin triglyceride phospholipid cholesterol
Answer:
triglyceride
Explanation:
the most common lipid.
what is another name for the polymers of carbohydrates?
Answer:
polysaccharide
Explanation:
The ducts or tubes responsible for receiving the ovulated oocyte and providing the site for fertilization are the ________.
Yong is a massage therapist. Which field of science would Yong most likely need to know the most about in order to do his job? A. Life science B. Space science OC. Earth science O D. Physical science
Answer:
D) physical science
Explanation:
physical science is the only science that would benefit his work as a massage therapist
Answer:
D)
Explanation:
Yong would have to know physical science because your messaging the human body which is physically speaking is touch.
hope that help you
it is 21,00 kilometers around the earth and the earth rotates in 24 hours how fast is it rotating
Answer: 21,000x24= 504,000 kilometers per hour.
Explanation: Hope that helped you.
what is the single greatest threat to biodiversity?
Answer:
Habitat loss
Explanation:
in fact it is the second largest threat to our existence on this planet next to Climate Change.
Describe the composition of the cell membrane
Explanation:
With few exceptions, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.
All matter is composed of very small particles called:
Answer:
Atoms
Explanation:
is the DNA in the form of chromatin or chromosomes when a cell finished cytokinesis
Answer:
Cell cycle consists of interphase and mitosis. During interphase there are 3 phases- G1, S and G2 phases. G1 is the resting phase after previous mitotic phase, S phase is DNA synthesis phase and G2 phase is again resting phase.
DNA synthesis occurs before mitotic phase which is the actual cell division phase and chromosomes are condensed during mitotic phase therefore it's in the chromatin form that DNA is synthesised.
Explanation:
Have a great day!
Study the diagram showing the range of temperature in the Earth’s layers.
Which temperature most likely corresponds to the asthenosphere?
1,613°C
2,521°C
3,628°C
6,217°C
Answer: a) 1,613°C
Explanation: just took the test
