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Ivan
3 years ago
11

Label ALL of the following structures:

Biology
1 answer:
podryga [215]3 years ago
3 0

Answer:

Explanation:

i have done it. u can see if its right..

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Which of the following is NOT a beta-lactam antibiotic?
emmainna [20.7K]

Answer:

vancomycin

Explanation:

β-lactam antibiotics are those antibiotic that that contain a beta-lactam ring (the cyclic amide with the nitrogen atom attached to the β-carbon) in their molecular structures. This class of antibiotics is the most commonly used and it includes penicillin derivatives, cephalosporins, monobactams, and carbapenems. The mechanism of action of β-lactam antibiotics is inhibition of cell wall biosynthesis in the bacteria.

4 0
3 years ago
In fast-twitch oxidative-glycolytic fibers, their rapid increases in force rely on the ________ activity where rapid relaxation
Kitty [74]

Answer:

1. myosin ATPase

2. Ca2+-ATPase

Explanation:

ATPase activity of myosin head hydrolysis ATP and energize the myosin head. The energized myosin head forms cross bridges to facilitate the power stroke of muscle contraction. The fast-twitch oxidative-glycolytic fibers have the ability to produce ATP by aerobic respiration.  

These fibers have the  ATPase in their myosin heads that hydrolyze ATP three to five times faster than the myosin ATPase in slow fibers. This ensures the faster speed of contraction of these fast-twitch muscle fibers.

During their relaxation, Ca2+ ATPase pumps the calcium ions back to the sarcoplasmic reticulum. As the level of Ca2+ ions in the sarcoplasm decreases, calcium ions are released from troponin. Tropomyosin is allowed to cover the myosin-binding sites on actin and the muscle fiber relaxes faster.

4 0
3 years ago
how do you go throght the life cycle throught metamorphasis and then inside the water cycle preticipating RAIN!!!!
Margaret [11]

Answer:

precipitation, condensation, evaporation, soemthing else, water, clouds, surface ruunoff, etc

Explanation:

hope it helped on science

6 0
2 years ago
Read 2 more answers
I need help please help me
LuckyWell [14K]
Is it plant fertilization of human fertilization?
4 0
3 years ago
Flavelle_25 (at symbol) esusdstudents (dot) Org what is 1+1
docker41 [41]

Answer:

What is this?

Explanation:

Well Ik what it is, but what happens when I look it up??

???

8 0
3 years ago
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