BIOLOGY HIGH SCHOOL

In an amoeba, a small cavity within the cytoplasm that stores food is called a

Answers

Answer 1
Answer: Vacuole or more specifically food vacuole is the answer. Vacuole is a membrane bounded cavity inside the cytoplasm. Also it's an organelle.

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Unlike in prokaryotic cells, replication in eukaryotic cellsa. is continuous in two directions until the whole chromosome is copied.
b. involves much less DNA.
c. can start in many different places on a sequence at the same time.
d. starts from a single point.

Answers

a. is continuous in two directions until the whole chromosome is copied.

The two identical daughter cells resulting from mitosis and cytokinesis are identical in the following ways:1. Mitosis occurs when the nucleus of the cell divides into two identical nuclei, each with the same type and number of chromosomes. The cell's DNA is duplicated during this phase. Sometimes the cell's DNA isn't copied properly resulting in cancer-type cells. 2. Cytokinesis is when the cytoplasm divides into two identical daughter cells. Each cell is genetically identical and both are a similar size. 

Loss of habitat has decreased the population and number of alleles of Canadian lynx. A few survivors migrated to other forests and multiplied, but there is less genetic variation in the offspring. Which statement is true about this event?

Answers

Reproductive isolation prevents variations from spreading throughout the entire population. Since genetic variations basically occur randomly, the chances that the same variations will occur in both reproductively separated subpopulations are vanishingly slim. Thus, genetic divergence between both subpopulations will occur, and this may eventually lead to speciation. Isolation stops populations of the same species from interbreeding. This results in separate breeding among populations and genetic differences become more pronounced with each generation.

A nucleic acid monomer consisting of three parts: a nitrogenous base, ribose (in rna) or deoxyribose (in dna), and a phosphate group is known as a ______.

Answers

sugar dddddddddddddddd

if pepsin was mixed in a laboratory with sugar molecules like glucose, what is the MOST LIKELY result?

Answers

 pepsin with brake down the glucoses molecules

In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer or soap and warm water for two minutes; then they dried their hands with a paper towel. The standard of comparison was rubbing hands vigorously for 2 minutes in warm water, without any soap or sanitizer, and then drying with a paper towel. The sanitizer advertisement claimed to kill bacteria more effectively than any soap. After washing, hands were swabbed and then the swab applied to a culture plate and incubated. Finally, the bacterial cultures were counted. Students using the antibacterial santizer had the lowest bacterial culture count. What is the control in the experiment? A) washing with soap B) rubbing vigorously C) the time: two minutes D) rubbing hands in warm water

Answers

Answer:

The correct answer is - option D. rubbing hands in warm water.

Explanation:

The control group or the control is the variable or that is used in an experiment to check if the results are actually due to the experiment or to compare the result or effect of the experiment.

In this experiment, the independent variables are soap and the sanitizer and the dependent variable is the count of bacterial culture. To check the result or to compare the result that results are due to the experiment the control group is rubbing the hand vigorously in warm water.

The table shows the total number of student applications to universities in a particular state over a period of 12 semesters. A random sample of 5 semesters of data is drawn from this population of 12 semesters. What is the approximate population mean for student applications, in thousands?2,565

It depends on the variance of the population.

214

It depends on the sample drawn from the population.
Done
Semester
Student Applications
(in thousands)
1

106

2

137

3

285

4

120

5

202

6

195

7

327

8

139

9

307

10

318

11

212

12

217

Answers

Answer:214

Explanation:
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Which one is correct option?
Which is an example of a competitive relationship? A.two male bighorn sheep smashing their horns over a mate B.ticks feeding off the blood of a deer who is then harmed C.Hawaiian bobtail squid glowing because of the bacteria living in its belly D.cattle egrets feeding off the insects kicked up by the cape buffalo