BIOL Exam 2
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1
DNA is _____-conservative
semi
2
Where do light-dependent reactions occur?
in the tylakoid membrane
3
Where do light-independent reactions occur?
in the stroma
4
When DNA replicates, it seals with what enzyme?
Ligase
5
The reactants for photosynthesis
CO2 + water + (light energy)
6
The reactants for aerobic respiration
Glucose + O2
7
The products for photosynthesis
Sugar(glucose) + O2
8
The products for aerobic respiration
CO2 + H2O + 36 ATP
9
What is the end result of mitosis?
Two Identical diploid cells
10
End result of meiosis?
Four non-identical halfloid cells
11
Diploid cells have ___ chromosomes
46
12
Halfloid cells have ___ chromosomes
23
13
What is a checkpoint gene?
Monitor whether a cells DNA has been copied completely, whether its damaged, and whether enough nutrients are available. If a problem remains uncorrected, the checkpoint proteins may cause the cell to self-destruct and inhibit mitosis
14
What is a neoplasm?
The accumulation of abnormally dividing cells
15
What is a tumor?
A neoplasm that forms a lump
16
In aerobic respiration how many stages are there?
3
17
What is the first stage of aerobic respiration?
glycolysis
18
What is the second stage of aerobic respiration?
the Kreb Cycle
19
What is the third stage of aerobic respiration?
Electron transport phosphorylation (ETP)
20
How many atp created in first step of aerobic respiration
2
21
How many atp created in second step of aerobic respiration
2
22
How many atp created in third step of aerobic respiration
32
23
Which stage creates the most ATP during aerobic respiration
electron transport phosphorylation (ETP)
24
How many chromosomes does an egg have?
23 since it is a halfloid cell
25
How many chromosomes are found in body cells
46
26
If a tumor stays within its place it is
benign
27
If tumor spreads past its original spot it is
malignant
28
Tumors are made malignant through the
Metastatic process
29
How many hydrogen bonds are found between adenine and thymine
2
30
How many hydrogen bonds are found between cytosine and guanine
3
31
Purpose of DASH Diet
For stopping hypertension/high blood pressure
32
DASH stands for
Dietary approach to stop hypertension
33
What splits during photosynthesis?
It splits H20 into oxygen, which is released, and glucose, which is absorbed for fuel)
34
What is the coronavirus?
an acute disease in humans caused by a coronavirus, which is characterized mainly by fever and cough and is capable of progressing to severe symptoms and in some cases death, especially in older people and those with underlying health conditions.
35
How long should you wash your hands to avoid corona virus
20 seconds
36
What are the structures on the corona virus
Spike protein, messenger protein, envelope protein.
37
T or f, human body cells have only 23 chromosomes
- T
- F
38
Aerobic respiration breaks down an organic molecule, what molecule is it?
glucose
39
Aerobic respiration breaks glucose down into
ATP/energy and carbon dioxide and water
40
leptin and ghrelin
two hormones that play crucial roles in regulating appetite, energy balance, and body weight.
41
Insulin
a hormone produced in the pancreas by the islets of Langerhans, which regulates the amount of glucose in the blood. The lack of insulin causes a form of diabetes.
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