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Alexus [3.1K]
2 years ago
14

6. Which is true of the light reaction of photosynthesis?

Biology
1 answer:
natta225 [31]2 years ago
7 0

Answer:

It produces sugar

Explanation:

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Oxidative reactions used by aerobic bacteria to generate ATP use ______ as a terminal electron acceptor.
egoroff_w [7]

Answer:

Oxygen

Explanation:

Cellular respiration is the process whereby living organisms synthesize energy in form of ATP. However, it can either be aerobic or anaerobic depending on whether it occurs with or without oxygen. Aerobic respiration occurs in the presence of oxygen.

The aerobic cellular respiration is further divided into glycolysis, Krebs cycle and oxidative phosphorylation. The oxidative reactions used by aerobic bacteria to generate ATP use OXYGEN as a terminal or final electron acceptor.

3 0
3 years ago
In corn, red kernel color (R) is dominant to yellow (r) and smooth kernel texture (W) is dominant to wrinkled (w).
Wewaii [24]

Answer:

a. df =  3, chi-square = 1.7333, p value = 7.815

b. we fail to reject null hypothesis

c. it is independent of kernel texture

Explanation:

h0; there is independence

h1; no independence

9:3:3:1 this is the phenotypic ratio

9+3+3+1 = 16

330 red smooth  + 97 red wrinkled  + 101 yellow smooth  + 32 yellow wrinkled

total observed = 560

1. the degree of freedom = n-1

n =4, 4-1 = 3

to get the chi square computation

(O-E)²/E

expected value for red smooth,

9/16 x 560 = 315

chisquare = (330-315)²/315 = 0.7143

expected for red wrinkled

3/16*560 = 105

chisquare = (97-105)²/105 = 0.6095

expected for yellow smooth

3/16*560 = 105

chisquare = (101-105)²/105 = 0.1524

expected for yelow wrinkled

1/16 * 560 = 35

chisquare = (32-35)²/35 = 0.2571

total chisquare = 0.7143+0.6095+0.1524+0.2571

= 1.7333

with probability = 0.05, df = 3, the value of the chi square from x² table = 7.815

1.7333 < 7.815

so  we fail to reject the null

c. we conclude that kernel color is independent of kernel texture

7 0
2 years ago
In the process of ________, microbes detect the presence and density of other microbes and modify their metabolic activity in re
Talja [164]
<h2>ANSWER</h2>

In the process of <u>Quorum</u><u> </u><u>Sensing</u>, microbes detect the presence and density of other microbes and modify their metabolic activity in response.

<h3>#CarryOnLearning</h3>

<em>—</em><em> </em><em>WatanabeHaruto</em>

8 0
2 years ago
The ploidy of daughter cells as a result of meiosis is different than that of the parental cell. Briefly explain what this state
leva [86]

When we talk about meiosis I and II we talk about gametes formation.

The objective is to create cells with half DNA charge, called haploids.

At the meiosis I, in prophase I, crossing over happens and anaphase separated homologous chromosomes.

In the end, you still have cells with all DNA charges (2n).

To start meiosis II cells does not duplicate its DNA. When anaphase II happens sister chromatids split, and you end with half DNA charge cells. Haploids or (n).

8 0
3 years ago
Explain problems with using low-tar, low-nicotine cigarettes.
satela [25.4K]
The risk of lung cancer death is no different between medium, low, and very low-tar cigarettes.

People who smoke low-tar cigarettes compensate the lack of tar by changing their breathing habits, for example, they will take deeper drags or hold the smoke in for a longer period of time,  basically negating the supposed " low-tar" effect. 
4 0
3 years ago
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