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bazaltina [42]
3 years ago
12

a student researches the occurrence of attaced versus unattached earlobes in hi family. which potential title will best reflect

the contents of the report?
Biology
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer: Answer C

Explanation:  doesn't appear in your textbook, so you should automatically be a bit suspicious of ... Yeast can get by fine with, or without oxygen.

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All cells contain ion pumps that use the energy of atp hydrolysis to pump ions across the plasma membrane. These pumps create an
DiKsa [7]

Answer:

Facilitated diffusion

Explanation:

  • Facilitated diffusion pumps polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, cross the plasma membrane.
  • As sodium ion concentrations build outside the plasma membrane because of the action of the primary active transport process, an electrochemical gradient is created
4 0
3 years ago
A large water filled organelle present in all plant and fungal cells and some animal and bacterial cells
QveST [7]

Answer: Vacuole

Explanation:

Vacuole is a cell organelle that is lined with membrane and filled with cell sap that serves as a storehouse for many substances especially water. Hence, the cell membrane helps to remove excess water in cells

7 0
3 years ago
How does the distance from this eye chart affect the number of letters visible on a line? What factor of the experiment is the e
zlopas [31]

Answer:

This question is asking to identify the variable in the experimental statement.

The eye chart is the CONTROL VARIABLE

Explanation:

An experiment consists of several variables to look out for in order to achieve any significant result. These variables are independent variables, dependent variables and control variables. Although independent and dependent variables are the major experimental variables, but control variables are also important.

A control variable is the variable that remains constant or unchanged throughout the experiment. Any change to the control variable will affect the dependent and independent variables. In this question, the eye chart is the CONTROL VARIABLE because it remains constant or unchanged. The same eye chart is used for the experiment.

N.B: The distance to the eye chart is the independent variable while the number of letters visible on the line is the dependent variable. Hence, changing the eye chart (control variable) will affect the distance and the number of letters visible.

4 0
3 years ago
Which of the following is the best definition of Newton's theory of universal gravitation?
xenn [34]

the answer would be D!;

every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases.

5 0
2 years ago
PLZ HELP <br>Identify the process that orginsims use to grow and replace old or damaged cells
RUDIKE [14]
The process cells use to grow and replace old cells is mitosis.
4 0
3 years ago
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