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Gnoma [55]
3 years ago
10

Which technologies help protect the environment? Check all that apply.

Biology
1 answer:
umka21 [38]3 years ago
5 0

Answer:

C and D

Explanation:

A, B, and E all cause pollution with coal or oil. Solar powered items do not cause pollution, and I assume downloaded internet books do to.

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If an organism has a diploid number of 6 chromosomes, how many different combinations of maternal and paternal chromosomes are p
Alexxandr [17]

The different number of maternal and paternal chromosomes possible will be 8. that is option A is correct.

Chromosomes are defined as the genetic material within the body. They are thread like structures within the DNA and are made of proteins. In general human body has 23 pairs of chromosomes out of which 22 are numbered while 1 is the sex chromosome. Gametes are genetic material that are generally haploid in nature and they carry only one chromosome along with them. According to the question, there are 6 diploid chromosomes present which means there are 3 pairs of chromosomes. So each gametes will have a total number of 3 chromosomal pairs irrespective of their type that is maternal or paternal. Therefore combination of maternal and paternal chromosomes are given by

Combination = 2ⁿ where n is pair of chromosomes and here n = 3

Combination = 2³ = 8

Learn more about chromosomes at:

brainly.com/question/11912112

#SPJ4

Complete Question :

If an organism has a diploid number of 6 chromosomes, how many different combinations of maternal and paternal chromosomes are possible in its gametes?

A. 8

B. 12

C. 3

D. 16

E. 6

8 0
1 year ago
How do bacteria regulate transcription of these operons?
Semmy [17]
Kindly see answers below:

1. operon is not transcribe• b.) lac operon: lactose absent• e.) trp operon: tryptophan present2. operon is transcribed, but not sped up by the positive control• a.) trp operon: tryphophan absent• d.) lac operon: lactose present, glucose present3. operon is transcribed quicklu through positive control• c.) lac operon: lactose present, glocuse absent
7 0
3 years ago
Like all forms of life on Earth, all microbial cells perform three major types of activities: __________.
pashok25 [27]

Answer:

4. metabolism, growth, and evolution

Explanation:

Living organisms show different characteristics like respiration, movement, metabolism, growth, evolution, respiration, excretion, nutrition. Most of the microbes are microscopic and unicellular which means they are made up of only one cell but they are also living.

They perform three major types of activities like metabolism, growth, and evolution. This can be seen by culturing bacteria on suitable media. So in the medium, it can be observed that they consume the food present in media and extract energy from it through metabolic activities and are showing growth. All micro-organisms evolve due to mutation. So the correct answer is 4.

3 0
3 years ago
1. hormone secretion <br>2. metamorphosis <br>3. fertilization <br>4. cell division
Rus_ich [418]

some one celled organisms reproduces by binary fission which is a process of cell division. The answer is 4.

6 0
3 years ago
The region of the chloroplast between the inner membrane and the thylakoid membrane is called
andre [41]
This region is called the stroma.  Please mark Brainliest!!!
3 0
3 years ago
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