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Soloha48 [4]
2 years ago
12

ILL MARK AS BRAINLIEST!!adding a catalyst to a reaction ___ the amount of energy needed for the reaction to occur and it ___ the

reaction
Biology
1 answer:
Oksana_A [137]2 years ago
4 0

Answer:

when the catalyst is added the reaction with the lower activation energy occur

Explanation:

me!

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If a parent cell has 20 chromosomes, how many chromosomes will each daughter cell have at the end of the cell cycle
shtirl [24]

Answer: After mitosis, the daughter cell has 20 chromosomes and after meiosis, the daughter cell has 10 chromosomes.

Explanation:

8 0
1 year ago
Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
3 years ago
Describe the effects of the various antibiotic drugs you used. Were they all equally effective at controlling bacterial growth?
Kipish [7]

Answer:

Basically, most   antibiotic drugs  are not  effective in controlling bacterial growth. The potency of any antibiotic drugs is a measure of the magnitude of  diameter of the  bacterial growth . <u>This is because the diameter   is the measurement of the bacterial growth around the antibiotic drugs used to control it multiplication, and therefore a  measure  of how effective  it  can controls the population</u> Thus a small diameter around the antibiotic agent is a proof that it suppressed the growth effectively and can effectively be used to control  the bacteria, While  a large diameter is an indication of low effectiveness of the drug.

Based on this analogy, penicillin with wide usage for control  of bacteria growth  with  diameter of 3mm, is the most effective antibiotic drugs.However, Erythromycin which is also widely used control growth with diameter of 5mm  or 6mm depending on   type of bacterial.

Therefore, the least 3mm  diameter presented by penicillin is an indication that , antibiotic drugs  are not effective enough, and further research need to be done to control growth of bacteria and therefore its   pathogenic  effects.  

Explanation:

8 0
3 years ago
The production of four haploid gametes from one mother cell is completed during
Rudik [331]
This is a product of meiosis
7 0
3 years ago
He term autotrophs refer to __________ because of their ability to undergo photosynthesis.
Licemer1 [7]

Answer:

The term autotrophs refer to all plants because of their ability to undergo photosynthesis (the process of food preparation using light as a source)

3 0
2 years ago
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