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stellarik [79]
3 years ago
11

Which of the following statements does NOT describe a vertebrate eye?

Biology
1 answer:
Scrat [10]3 years ago
6 0

The correct answer is: d. it contains many light-sensing columns called ommatidia

Ommatidia are units that form compound eyes of arthropods such as insects, crustaceans and millipedes (these are invertebrates) and make them very sensitive to motion. Ommatidia are composed of photoreceptor cells (visual detection) surrounded by support cells and pigment cells.

The eyes of vertebrates are more complex showing that progressive improvements in the structure of the eye occurred during the evolution.

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DNA is coiled into chromosomes in a cells what ?
katovenus [111]

DNA is coiled into proteins,,,,which makes up ur DNA (about  6,400,000,000 basepairs (DNA building blocks) that make up your DNA) basically...and...The way DNA is packaged into chromatin is a factor in how protein production is controlled. so in your nucleus....AGAIN....DNA IS KEPT OR COILED AROUND PROTEIN YET KEPT IN UR NUCLEUS... :)

... i hope this helps somewhat..


7 0
3 years ago
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On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. Dur
igor_vitrenko [27]
<h2>Correct answer is option "a"</h2>

Explanation:

  • Succession is a directional non-regular total change in the sorts of plant species that involve a given region through time. It includes the procedures of colonization, foundation, and annihilation which follow up on the taking an interest plant species.
  • Most successions contains various stages that can be perceived by the assortment of species that overwhelm by then in the succession start when a zone is made in part or totally without vegetation due to an unsettling influence.
  • Some basic instruments of unsettling influence are fires, wind storms, volcanic emissions, logging, environmental change, extreme flooding, sickness, and irritation. Succession stops when species organization changes never again happen with time, and this community is said to be a peak network.
  • So, the correct answer is option a "primary succession"

9 0
3 years ago
Read 2 more answers
Pls i need an example of an stimuli and response pls
mash [69]
Examples of stimuli are the weather, sound, the cold, light, taste, color, and gravity. 

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7 0
3 years ago
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Example 1: Two different enzymes are able to catalyze the same reaction, A → B. They both have the same Vmax, but differ their K
luda_lava [24]

Answer: (a) = 0.022mmoles/minute; (b) = 0.00022mmoles/minute; (c) = 0.022mmoles/minute

Explanation:

The Michaelis- Menten equation is used to show the relationship between substrate concentration and reaction rate.

The equation is Vo = Vmax[S]/(Km + [S]

where Vo is the initial velocity, Vmax is the maximum velocity, [S] is the substrate concentration, Km is the Michaelis constant.

(a)  For enzyme 1; Vo = 0.002mmoles/minute, Vmax = ?, [S] = 0.1mM, Km =1.0mM; making Vmax subject of the formula;

Vmax = Vo * (Km + [S])/ [S]

Vmax = 0.002*(1.0 + 0.1)/ 0.1

Vmax = 0.022mmoles/minute (Vmax for Enzyme 1&2)

(b) Vo = Vmax[S]/(Km + [S]

Vo = 0.022 * 0.1/(10+0.1) = 0.00022mmoles/minute

(c) Vo = Vmax[S]/(Km + [S]

Vo = 0.022*1000/(1.0+1000) = 0.022mmoles/minute

3 0
3 years ago
Pangaea was a ... that formed near the end of the Paleozoic era.
Allisa [31]

Answer:

TRUE

Explanation:

6 0
3 years ago
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