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trapecia [35]
3 years ago
14

The extensor carpi radialis longus inserts on which of the following bones?

Biology
1 answer:
Leokris [45]3 years ago
8 0

Answer:

c. 2nd metacarpal

Explanation: is correct edg

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The study of two organisms are classified as ?
sattari [20]

The study of 2 organisms is called binomial nomenclature

6 0
3 years ago
A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and
MAVERICK [17]

Answer:The ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

Explanation:

The dissociation constant for formic acid = K_a=1.8\times 10^{-4}

Concentration of HA= 0.5 mM

Concentration of A^-= 0.1 mM

pH = 6.16

First we have to calculate the value of K_a.

Using Henderson Hesselbach equation :

pH=pK_a+\log \frac{[A^-}{[HA]}

Now put all the given values in this expression, we get:

6.16=pK_a+\log (\frac{[0.1]}{0.5})

pK_a=6.86

To calculate the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02.

Using Henderson Hesselbach equation :

7.02=6.86+\log \frac{[A^-]}{[HA]}

7.02=6.86+\log \frac{[A^-]}{[HA]}

\frac{[A^-]}{[HA]}=1.44

\frac{[HA]}{[A^-]}=0.69

Thus the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

7 0
3 years ago
Materials are returned to the blood from the filtrate by which process?
ExtremeBDS [4]

Answer: REABSORPTION

Explanation: Reabsorption or tubular reabsorption is one of the processes involved in urine formation,the other two(2) being ultra filteration and and active secretion.

Reabsorption takes place mainly in the proximal convulated tubule of the nephron, nearly all of the water, glucose, potassium, and amino acids lost during glomerular filtration re-enter the blood from the renal tubules,moving solutes out of the filtrate and back into the bloodstream.these solutes that are moved back into the bloodstream goes back into circulation alongside with the blood because it is needed for the normal functioning of the body system and maintanance of homeostasis.

In a situation where tubular reabsorption does not occur as a result of certain conditions like hyposecretion and diabetes insipidus,there will be imbalance of ions in the body as a result of useful ions leaving the body via urine and the body is left with ion deficiency.

3 0
3 years ago
Read 2 more answers
The organisms of this cell type have no membrane bound organelles, and the DNA is not found within a nucleus
Alenkinab [10]

Answer:

prokaryotic cells have no membrane bound organelles

7 0
3 years ago
This really isn't a question but answers to a quiz for my fellow people who are apart of K-12 and this is the quiz for science s
Mama L [17]

Explanation:

1. If an organism is composed of only one cell, it _is unicellular_____

An organism that is composed of only one cell is called a unicellular organism. Organisms with more than one cell is said to be multi-cellular. Examples are yeast, bacteria, paramecium e.t.c

Their single cell can perform all life functions they need to survive and be called a living organism. Such a cell is capable of reproduction, excretion, locomotion, feeding e.t.c

Learn more:

Cells brainly.com/question/12613470

2. Tissues combine to form __Organs____

In the organisation of life, cells combines to form tissues that are capable of performing a specific function. A combination of tissues is known as organs. When organs combine we have a system.

These divisions of life is known as the organization of life. This divides life from the simplest form called the cell to the most complex one called system. Some organisms only exists at the cell level others as tissues and so on.

Learn more:

Organization of life brainly.com/question/13045775

3. How is tendon different from a ligament? ______

A tendon is a band of inelastic tissues that attaches a muscle to a bone. A ligament joints bones to bones.

Tendons and ligaments are tissues that helps movement and to keep organs in in place.

A ligament simply positions bones by connecting them together through a flexible tissue.

A tendon connects bones and muscles to that movement can occur.

Learn more:

Skeletal muscles brainly.com/question/10243621

4. What feature do plants have that provide structure and form?______

Plants have rigid tubes made of cellulose which gives them their shape and form.

These rigid tubes made of cellulose are called cellwalls. They are made up of cellulose. The cell wall gives the plant cell its shape and provides mechanical support for the cell.

The cell wall is an outer covering of the plant cell. Animals do not have cell walls.

They are often called cellulose cellwall.

Learn more:

Cell wall brainly.com/question/2563001

#learnwithBrainly

4 0
3 years ago
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