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Vera_Pavlovna [14]
3 years ago
7

What is chlorophyll?

Biology
2 answers:
zhuklara [117]3 years ago
8 0
The answer is D . A color pigment that absorbs certain wavelengths of sunlight
yawa3891 [41]3 years ago
5 0

Answer:

The answer is D. a color pigment that absorbs certain wavelenght of sunlight, where photosynthesis occurs

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use the samples; diamond, dolomite, gneiss, and chalk and provide your analysis of composition and identification based on their
Trava [24]

Answer:

Diamond-

Physical identification characters:

Color-  White or Colorless

Lusture - admantine

Streak - Colorkess

Habit - Hour glass structure

Hardness - 10

Cleavage- octaheadral

Composition- pure carbon

Specific gravity-3.5

Dolomite (CaMg(CO3)2

Color - Colorless or white

Hardness is between 3-4

Reacts with any acid

Gneiss

Light and dark strip or banding present alternatively

biotite , pyroxene have Mafic mineral shows dark banding

Quartz, Feldspar have  Felsic mineral for light banding

High grade metmorphic rock which is formed due to regional metamorphism of lower grade rock

Chalk(CaCO3)

Color-White

Very fragile

Hardness-1

With acid gives effervescence.

4 0
3 years ago
Hi can someone plss help me with this!!
SSSSS [86.1K]

Answer:#2 evaporation #3 what’re vaper

#4.most water evaporates from the ocean

Explanation:

6 0
3 years ago
True or false: the word phenotype applies to both physical and psychological characteristics
zhuklara [117]
The answer is true as phenotype involves of having to see the organisms character and their morphological features, by this, it is trying to apply to both of the physical and psychological characteristics, making the sentence above as true.
5 0
3 years ago
When a bat is hibernating, how fast does its heart pump?
Sever21 [200]

Answer:

20 beats per minute

Explanation:

6 0
3 years ago
Read 2 more answers
A scientist is comparing cancerous cells with noncancerous cells.
Simora [160]

The scientist should notice that the cancer cells have a <u>higher</u> rate of cell division and  have a <u>lower</u> response to inhibiting factors. Cell groups that are cancerous should  have a <u>lower</u> percent of cells in interphase than noncancerous cells.

Explanation:

The general characteristics of cancerous cells are defined by the ‘hallmarks of cancer’ like ‘enable replicative immortality, activate invasion and metastasis, resist cell death, evade growth suppressors’ etc. All these facts prove that they grow and divide at a higher rate and undergo uncontrollable mitotic cell division leading to proliferative invasion.

The cancerous cells also show low or no response to inhibiting factors like growth suppressors like p53, cyclins and other anti-tumor drugs.

The number of cancer cells in interphase is lower than noncancerous cells because interphase is a phase of cell growth, development and differentiation. Cancer cells undergo uncontrollable mitosis and more time is spent after the interphase to facilitate rapid cell division rather than growth or development.

7 0
3 years ago
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