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mezya [45]
3 years ago
12

Which structures are not found in prokaryotic cells?

Biology
1 answer:
Snezhnost [94]3 years ago
5 0

Answer:

Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles.

Explanation:

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A gene includes the sequence AGAACT. When it is transcribed, what will the RNA sequence be? A. UCUUGA B. UGCCGU C. UCUUTC D. TCT
Margaret [11]

Answer:

A

Explanation:

The correct option would be A.

<em>According to the base-pairing rule, Adenine (A) always pairs with Thymine (T) (or Uracil in the case of RNA) while Guanine (G) always pairs with Cytosine (C).</em>

Hence;

             A-U

            G-C

            A-U

            A-U

            C-G

            T-A

Therefore, AGAACT would be transcribed to UCUUGA.

8 0
3 years ago
Forward primer: 5'-AGTCTACTCGTAACCGGTTACC-3' Reverse primer: 5'-TAAGGCATCATGGTAACCGGTT-3' The two primers above have the melting
CaHeK987 [17]

Answer:

Short answer is primers are partially complementary.

Explanation:

Forward primer: 5'-AGTCTACTCGTAACCGGTTACC-3'

Reverse primer: 5'-TAAGGCATCATGGTAACCGGTT-3'

When we write reverse primer 5' to 3' we can easily see that

3'-TTGGCCAATGG---5' is complementary to the forward primers'

5'---AACCGGTTACC-3' sequence. So instead of binding to the template DNA these primers might bind each other resulting with reduction of efficiency of DNA amplification.

5 0
3 years ago
Compare the number of pollen grains in each flower with the number of ovules. why do you think there is a difference?
ra1l [238]
<span>The role of the pollen is for the sperm to reach the egg. In the process of transportation, a lot of pollen grains can get lost and therefore there is greater need for it to be more than the ovules, since the eggs do not have to be transported anywhere. </span>
6 0
3 years ago
What's the period of slow population growth depicted in a population growth curve
Furkat [3]

Answer:

lag phase

Explanation:

this is where the organism has little cells hence cell division is minimal hence slow growth

8 0
3 years ago
What is mutualism? with example!
bulgar [2K]
Mutualism is a symbiotic relationship between organisms in which each species benefits and is unharmed.

An example would be flowers and bees. Flowers give bees pollen and nectar, and the bees help with the reproduction of flowers.
8 0
3 years ago
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