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lina2011 [118]
3 years ago
12

IMMUNITY QUIZ

Biology
1 answer:
Sloan [31]3 years ago
3 0

Explanation:

what is this for because i think i might know

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The presence of which of the following characteristics differentiates prokaryotic and eukaryotic cells?
ipn [44]

Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.

Prokaryotic Cell

Unicellular

Lysosomes and Peroxisomes absent

Microtubules absent

Endoplasmic reticulum absent

eukaryotic Cell

Multicellular

Lysosomes and Peroxisomes present

Microtubules present

Endoplasmic reticulum present

8 0
3 years ago
How is transpiration useful to plants?
AleksandrR [38]

The water, warmed by the sun, turns into vapor (evaporates), and passes out through thousands of tiny pores (stomata) mostly on the underside of the leaf surface. This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis.

3 0
3 years ago
In photosynthesis, what substances come in from the outside, what substances are produced
VARVARA [1.3K]
Carbo dioxide, water and sun's energy comes fron the outside.... energy and Oxygen molecule are produced
7 0
3 years ago
Read 2 more answers
Consider a population of frogs. Allele B1 codes for spotted frogs; allele B2 codes for non-spotted frogs. B1 is dominant to B2 .
oee [108]

Answer:

Frequency of B1 = 0.47

Frequency of B2 = 0.53

Hope this helps!

4 0
3 years ago
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Did earth experience normal or reverse polarity 1.5 million years ago
azamat

Normal polarity

Explanation:

Earth's magnetic field used to be twice as strong 1.5 billion years ago as it is today and Earth's temperature other than what the geologists see from the 'normal' pattern. It has been noticed that some volcanic rocks were magnetized in opposite direction to the direction of the local Earth's field. It is clear that the Earth has experienced the normal polarity 1.5 years ago but at that time, the Earth's polarity was poorly understood.

7 0
3 years ago
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