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Vladimir79 [104]
3 years ago
15

PLS HELP ME HELP WILL GIVE BRAINLIST

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

Answer:

Eukaryotic

Explanation:

None needed <3

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Infer How do dominant and recessive<br> factors interact? sc.7..16.1
Rama09 [41]

Answer:

The resulting characteristic is due to both alleles being expressed equally. An example of this is the blood group AB which is the result of codominance of the A and B dominant alleles. Recessive alleles only show their effect if the individual has two copies of the allele (also known as being homozygous) If you were to talk about dominant and recessive factors in human traits, such as brown/green eyes, brown would be dominant, only needing to be in 1 parent to pass down to the child. (i have no idea if this helps or not-- it's all i know.. sorry, ;w;)

Explanation:

6 0
3 years ago
The energy that is released by the hydrolysis of atp by actin is used for:
anyanavicka [17]
The energy released is used for assembly of actin filament with myosin head. when myosin is attached to ATP its heads cannot bind to actin and therefore muscle will remain in relaxed form. However during muscle contraction an enzyme referred to as ATPase hydrolyses ATP to ADP and organic phosphate in the process releasing energy. The energy released changes the position of head of myosin which facilatate its binding with actin. Myosin moves towards m-line dragging actin along with it reducing the length of sarcomere leading to muscle contraction.  
5 0
3 years ago
During an anatomical class, Dr. Hales removes the heart of a frog and places it in a beaker of oxygenated Ringer's solution. He
Furkat [3]

Answer:

Autorhythmicity of the heart

Explanation:

It is the study of the characteristics features of the cardiac muscle cells with the ability to initiate action potential at certain level without connection to any external stimulus which the heart beats constantly and rhythmically. Cardiac muscle cells controls the rate of contraction of heartbeats.

5 0
3 years ago
Read 2 more answers
How does the theory of endosymbiosis differ from the autogenous and horizontal gene transfer theories in explaining the evolutio
Llana [10]
<h3><u>Answer and Explanation;</u></h3>
  • <u>Endosymbiotic theory</u> explains the origin of chloroplasts and mitochondria and their double membrane.  Mitochondria of eukaryotes evolved from aerobic bacteria living within their host cell and the chloroplasts of eukaryotes evolved from endosymbiotic cyanobacteria.
  • On the other hand according to the <u>autogenous hypothesis, </u>mitochondria and chloroplasts have evolved within the protoeukaryote cell by compartmentalizing plasmids or vesicles of DNA within a pinched off invagination of the cell membrane.
  • <u>Endosymbiont theory </u>is the theory that suggests that simple prokaryotic cells were engulfed by larger prokaryotes 1.5 billion years ago.
  • <u>Autogenous theory</u> is a theory that was proposed as an alternative to endosymbiont theory. proposes that eukaryotic organelles formed by infolding of the plasma membrane.
  • <u>Horizontal gene transfer theory</u> is an alternative to endosymbiont and autogenous theories for the origin of complex organelles in eukaryotes.
6 0
3 years ago
Which of the following is NOT true of enzyme activity? a. enzyme shape may change during catalysis b. the active site on an enzy
Jobisdone [24]

Answer:

D. Each enzyme can catalyze a wide variety of different reactions

Explanation:

Each enzyme can only catalyze a few, specific types of reactions.

Since enzymes and substrates are very specific to one another, enzymes cannot catalyze a wide variety of reactions.

If a substrate is not the correct one that fits in the enzyme's active site, a reaction will not occur.

So, each enzyme can only assist in a few reactions.

The correct answer is D. Each enzyme can catalyze a wide variety of different reactions

5 0
3 years ago
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