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Blizzard [7]
3 years ago
7

Your normal heartbeat before exercise is called your ____________________.

Biology
2 answers:
defon3 years ago
6 0

Answer:

Heart rate i think

Explanation:

sergij07 [2.7K]3 years ago
4 0

Answer:

it should be resting heart rate, but i dont see that as an answer...

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18. Identify the term that correctly identifies the sentence.
Andreas93 [3]

Answer:

It is a compound sentence.

Explanation:

Compound sentence contains two independent clauses.

5 0
3 years ago
What is the average atomic mass of a sample that has two isotopes, one with a mass of 21 amu at 62% abundance and another with a
motikmotik

Answer:

Average atomic mass = 21.38 amu.

Explanation:

Given data:

Mass of first isotope = 21 amu

Abundance of first isotope = 62%

Mass of second isotope = 22 amu

Abundance of second isotope = 38%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (62×21)+(38×22) /100

Average atomic mass =  1302 +836 / 100

Average atomic mass = 2138 / 100

Average atomic mass = 21.38 amu.

3 0
3 years ago
Which of the following statements about a typical plasma membrane is correct?a. Phospholipids are the primary component that det
nordsb [41]

Answer:

B

Explanation:

The fatty acid tails of phospholipids are hydrophobic – meaning they are ‘water-hating’. This is why they are in the middle of the bi-lipid layer of the cell membrane 'hiding' from the 'watery' environment of a cell. This poses a challenge in the diffusion of large and charged molecules across the membrane -such as sodium ions. Such molecules need transmembrane protein channels to help them cross the membrane. These are called integral proteins because they are part and parcel of the cell membrane. The cell membrane, in addition, also has glycolipids and glycoproteins on its surface that are significant in the identification of the cell by other cells.

7 0
3 years ago
What is the definition of cellular respiration?
svp [43]

Answer:

Explanation:

Holy jeez

4 0
2 years ago
Perception is:
Masja [62]
B) the ability to work top down bottom up



B it the answer Fasho
4 0
3 years ago
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