1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nasty-shy [4]
4 years ago
12

Which group of macromolecules includes glucose, glycogen, and starch

Biology
1 answer:
joja [24]4 years ago
6 0

Answer:

carbohydrates

Explanation:

You might be interested in
How do plant obtain water, carbon dioxide, and energy they use
DanielleElmas [232]
Plants obtain water from air as well as rain, carbon dioxide from the atmosphere and expelled human breath, energy from the sun.
6 0
3 years ago
Modifications to chromatin can affect transcriptional activity by changing the accessibility of DNA to the transcription machine
nordsb [41]

Answer:

1. Histone methylation occurs at different amino acids: c. Activates and inactivates

2. A transcriptional binds an enhancer sequence: d. No effect

3. Histone acetyltransferase attach acetyl groups to the N-terminus of histones: a. Activates

4. Histone deacetylases remove acetyl groups from the N-terminus of histones: b. Inactivates

Explanation:

Epigenetics refers to the mechanisms associated with changes in gene expression which do no involve alteration in DNA sequence. Epigenetic marks include DNA methylation and histone modifications (acetylation, methylation, phosphorylation, etc). These mechanisms act together in order to regulate gene expression at specific genomic sites (<em>loci</em>). Histone methylation is an epigenetic mark involved both in transcriptional repression and transcriptional activation. For example, trimethylation of the histone H3 at lysine 4 (H3K4me3) has been associated with transcriptional activation, while dimethylation of histone H3 at lysine 9 (H3K9me2) is often involved in transcriptional repression. Moreover, histone acetylation by histone acetyltransferases (HATs) is an epigenetic mark that is involved in transcriptional activation and chromatin decondensation, while histone deacetylation by deacetylases (HDACs ) is generally associated with gene repression. However, it is important to highlight that there are exceptions to this rule (for example, acetylation of the histone H4 lysine 20 is associated with gene repression). Finally, transcriptional activators are proteins that bind to enhancers in order to recruit coactivator proteins/complexes and thus activate transcription.

3 0
3 years ago
The oxygen moves into the blood stream from the lungs by the process. 1.Exhalation 2.Osmosis 3.Diffusion 4.Respiration
alex41 [277]
The answer is 3) diffusion
3 0
3 years ago
Read 2 more answers
How do television stations broadcast live video across the entire world simultaneously? Please me help!!!
Minchanka [31]

Answer:

Television broadcasting

The transmission of visual images of moving an stationary objects, generally with accompanying sound, in the form of electromagnetic waves that when received can be reconverted into visual images.

Very high frequency (VHF)

A band of radio frequencies falling between 30 and 300 MHz; VHF signals are widely employed for television and radio transmissions. In the United States and Canada, television stations that broadcast on channels 2 through 13 use VHF frequencies, as do FM radio stations. Many amateur radio operators also transmit on frequencies within the VHF band.

8 0
3 years ago
Read 2 more answers
After Darwin proposed his ideas about natural selection as a mechanism for evolution, it took time before evolution was generall
sashaice [31]

politics tbfh but this answer has to be 20 characters sooooooooooooo


3 0
4 years ago
Read 2 more answers
Other questions:
  • HELP?
    9·1 answer
  • The nucleotide sequence of a dna codon is gta. a messenger rna molecule with a complementary codon is transcribed from the dna.
    7·1 answer
  • Jack bought a small turtle. Three months later, the turtle had grown to twice its original size. Which of the following statemen
    9·1 answer
  • How are different types of radiation arranged along the
    9·1 answer
  • In what aspect the enzyme is different from other catalysts ? help please
    6·1 answer
  • A complex carbohydrate made of many glucose molecules is known as
    5·1 answer
  • Which organelle transports proteins inside of the celll
    6·2 answers
  • Why is radiation a unique form of thermal energy transfer?
    5·2 answers
  • What does your textbook call dip slips?
    15·1 answer
  • Different between seed method and biological method of breeding <br>please help<br>​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!