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Liula [17]
2 years ago
10

Which evidence originally supported Hess’s idea of seafloor spreading in 1968

Biology
2 answers:
lesya [120]2 years ago
8 0

correct answer:

b- the direction iron in ocean rocks points

d- the age of different rocks on Earth’s surface

e- pillow-shaped rocks found in the sea

eimsori [14]2 years ago
6 0

Answer:

2 4,5 are all right

Explanation:

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If you block histone deacetylase, what effect would you expect to see on transcriptional activity?.
Shalnov [3]
Histone deacetylase is responsible for removing the acetyl group from the histone 3 lysine 9 residue. Remember that deacetylation is one step in converting euchromatin to heterochromatin. Because euchromatin is transcriptionally active (transcriptional machinery is able to reach gene of interest), and blocking histone deacetylase activity would result in an the DNA remaining as euchromatin, we would expect to see an increase in transcriptional activity.

So there’s your answer: An increase in transcriptional activity.
8 0
2 years ago
There are some structures that are common to all prokaryotic cells, and others that are only found in some bacterial species or
puteri [66]

Answer: Nucleiod, Ribosomes, flagella, fimbriae, plasma membrane

Explanation: A typical bacteria cell possess these structures mentioned above. nucleiod is a chromosome , a nucleic acid which can be DNA or RNA, It is the genetic material of cell which every bacteria cell must have. Flagella ensures swimming movement of all bacterial cell. Ribosome of bacteria cells ensures protein synthesis. Since all bacteria cells meet, plasma membrane is permeability barrier, location of enzyme and transports solutes. Fimbriae enables bacterial cells attachment to surfaces

6 0
3 years ago
An adolescent is brought to the ambulatory care clinic after being hit in the eye during a sporting event. There is no serious d
Tatiana [17]
<h2>Simple contusion </h2>

Explanation:

Simple contusion in eye

  • Simple contusion is also known as bruise or commonly known as black eye which is used to describe the discoloration that occurs around an eye after a trauma to the eye or surrounding tissues
  • It is caused by broken blood vessels under the surface of the skin is typically accompanied by swelling
  • A serious condition that can accompany a black eye is bleeding inside the eye, in the space between the back side of the cornea and the front of the iris which is called hyphema

Scleral hemorrhage

  • Scleral hemorrhage also known as subconjunctival hemorrhage
  • When small and delicate blood vessels break beneath the tissue covering the white of the eye (conjunctiva), resulting eye redness then this condition is known as subconjunctival hemorrhage
  • A subconjunctival hemorrhage usually is benign, causing no vision problems or significant eye discomfort despite its conspicuous appearance
  • But eye redness also can be a sign of other types of potentially serious eye conditions
8 0
3 years ago
Well looking at bacteria under microscope, you decide to take a break. When you return, the amount of bacteria has doubled in si
irinina [24]
I’m unsure how to answer this because I don’t know
How much bacteria there was
What bacteria it was
And what the conditions of the bacteria are
This chart is from Dr. Jason from the math forum
http://mathforum.org/library/drmath/view/64555.html hope this helps!

7 0
3 years ago
Read 2 more answers
When bacteria are inoculated into a new sterile nutrient broth, their numbers don’t begin to increase immediately. Instead, ther
Natalka [10]

Answer: B. The bacteria must adjust to the nutrient content in the new medium, synthesizing necessary amino acids, growth factors, and enzymes.

Explanation: The lag phase is a time for adjustement to new environments, in this case new mediums. In that phase, bacteria sense the available nutrients to synthesize those required and grow as preparing for division, metabolizing to produce energy, making proteins, fatty acids, etc.

8 0
3 years ago
Read 2 more answers
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